./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d90cbad8cb6ced9c4f7ef95245e13f326de4004d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:36:21,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:36:21,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:36:21,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:36:21,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:36:21,861 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:36:21,862 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:36:21,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:36:21,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:36:21,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:36:21,866 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:36:21,866 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:36:21,867 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:36:21,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:36:21,868 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:36:21,869 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:36:21,870 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:36:21,871 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:36:21,872 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:36:21,876 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:36:21,876 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:36:21,877 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:36:21,879 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:36:21,879 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:36:21,879 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:36:21,880 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:36:21,881 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:36:21,881 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:36:21,882 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:36:21,883 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:36:21,883 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:36:21,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:36:21,884 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:36:21,884 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:36:21,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:36:21,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:36:21,886 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 16:36:21,898 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:36:21,898 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:36:21,899 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:36:21,899 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 16:36:21,899 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:36:21,899 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:36:21,899 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:36:21,900 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:36:21,900 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:36:21,900 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:36:21,900 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:36:21,900 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:36:21,900 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:36:21,900 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:36:21,900 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:36:21,901 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:36:21,901 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:36:21,901 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:36:21,903 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:36:21,903 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:36:21,903 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:36:21,903 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:36:21,903 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:36:21,903 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:36:21,903 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:36:21,904 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:36:21,904 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:36:21,904 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:36:21,904 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:36:21,904 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:36:21,904 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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(__VERIFIER_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 -> d90cbad8cb6ced9c4f7ef95245e13f326de4004d [2018-11-18 16:36:21,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:36:21,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:36:21,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:36:21,943 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:36:21,943 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:36:21,943 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 16:36:21,992 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/data/86de17411/e0c0b7aec92a4234adde75b82b7bfddd/FLAG07bb62470 [2018-11-18 16:36:22,375 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:36:22,375 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 16:36:22,388 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/data/86de17411/e0c0b7aec92a4234adde75b82b7bfddd/FLAG07bb62470 [2018-11-18 16:36:22,402 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/data/86de17411/e0c0b7aec92a4234adde75b82b7bfddd [2018-11-18 16:36:22,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:36:22,406 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:36:22,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:36:22,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:36:22,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:36:22,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:36:22" (1/1) ... [2018-11-18 16:36:22,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52211fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22, skipping insertion in model container [2018-11-18 16:36:22,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:36:22" (1/1) ... [2018-11-18 16:36:22,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:36:22,481 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:36:22,735 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:36:22,739 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:36:22,827 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:36:22,845 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:36:22,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22 WrapperNode [2018-11-18 16:36:22,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:36:22,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:36:22,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:36:22,846 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:36:22,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22" (1/1) ... [2018-11-18 16:36:22,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22" (1/1) ... [2018-11-18 16:36:22,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22" (1/1) ... [2018-11-18 16:36:22,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22" (1/1) ... [2018-11-18 16:36:22,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22" (1/1) ... [2018-11-18 16:36:22,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22" (1/1) ... [2018-11-18 16:36:22,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22" (1/1) ... [2018-11-18 16:36:22,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:36:22,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:36:22,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:36:22,980 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:36:22,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:36:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:36:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:36:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-18 16:36:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-11-18 16:36:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-11-18 16:36:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-11-18 16:36:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-11-18 16:36:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-11-18 16:36:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-11-18 16:36:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2018-11-18 16:36:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-18 16:36:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:36:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-11-18 16:36:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-11-18 16:36:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-11-18 16:36:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-11-18 16:36:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-11-18 16:36:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-18 16:36:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-18 16:36:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-18 16:36:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-18 16:36:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-18 16:36:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-11-18 16:36:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-11-18 16:36:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-18 16:36:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-11-18 16:36:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-11-18 16:36:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-11-18 16:36:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-11-18 16:36:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-18 16:36:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 16:36:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-18 16:36:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 16:36:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-11-18 16:36:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-18 16:36:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-11-18 16:36:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-11-18 16:36:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-11-18 16:36:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-11-18 16:36:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-11-18 16:36:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-11-18 16:36:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-11-18 16:36:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-11-18 16:36:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-11-18 16:36:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-11-18 16:36:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-11-18 16:36:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-18 16:36:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-18 16:36:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-18 16:36:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-11-18 16:36:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-11-18 16:36:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-18 16:36:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-11-18 16:36:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-11-18 16:36:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-11-18 16:36:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-11-18 16:36:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-18 16:36:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-18 16:36:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-18 16:36:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2018-11-18 16:36:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-18 16:36:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:36:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-18 16:36:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:36:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:36:23,294 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:23,294 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:23,370 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:23,370 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:23,392 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:23,393 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:23,549 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:23,549 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:23,712 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:23,712 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:23,822 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:23,822 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:23,847 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:23,847 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:23,857 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:23,857 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:24,006 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:24,006 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:24,091 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:24,091 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:24,442 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:24,442 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:24,458 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:24,459 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:24,500 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 16:36:24,500 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 16:36:24,511 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:36:24,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:36:24 BoogieIcfgContainer [2018-11-18 16:36:24,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:36:24,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:36:24,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:36:24,516 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:36:24,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:36:22" (1/3) ... [2018-11-18 16:36:24,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421b30b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:36:24, skipping insertion in model container [2018-11-18 16:36:24,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:22" (2/3) ... [2018-11-18 16:36:24,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421b30b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:36:24, skipping insertion in model container [2018-11-18 16:36:24,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:36:24" (3/3) ... [2018-11-18 16:36:24,519 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 16:36:24,525 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:36:24,531 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:36:24,541 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:36:24,565 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:36:24,565 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:36:24,565 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:36:24,565 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:36:24,566 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:36:24,566 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:36:24,566 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:36:24,568 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:36:24,568 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:36:24,592 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states. [2018-11-18 16:36:24,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 16:36:24,597 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:24,598 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:24,600 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:24,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:24,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1729519402, now seen corresponding path program 1 times [2018-11-18 16:36:24,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:24,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:24,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:24,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:24,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:24,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:24,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:24,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:24,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:24,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:24,895 INFO L87 Difference]: Start difference. First operand 391 states. Second operand 3 states. [2018-11-18 16:36:25,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:25,214 INFO L93 Difference]: Finished difference Result 628 states and 915 transitions. [2018-11-18 16:36:25,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:25,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-18 16:36:25,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:25,232 INFO L225 Difference]: With dead ends: 628 [2018-11-18 16:36:25,232 INFO L226 Difference]: Without dead ends: 383 [2018-11-18 16:36:25,238 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:25,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-11-18 16:36:25,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2018-11-18 16:36:25,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 16:36:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 527 transitions. [2018-11-18 16:36:25,297 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 527 transitions. Word has length 20 [2018-11-18 16:36:25,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:25,309 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 527 transitions. [2018-11-18 16:36:25,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 527 transitions. [2018-11-18 16:36:25,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 16:36:25,311 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:25,311 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:25,311 INFO L423 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:25,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:25,312 INFO L82 PathProgramCache]: Analyzing trace with hash 821979631, now seen corresponding path program 1 times [2018-11-18 16:36:25,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:25,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:25,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:25,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:25,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:25,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:25,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:25,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:25,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:25,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:25,563 INFO L87 Difference]: Start difference. First operand 383 states and 527 transitions. Second operand 3 states. [2018-11-18 16:36:26,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:26,006 INFO L93 Difference]: Finished difference Result 708 states and 962 transitions. [2018-11-18 16:36:26,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:26,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-18 16:36:26,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:26,011 INFO L225 Difference]: With dead ends: 708 [2018-11-18 16:36:26,011 INFO L226 Difference]: Without dead ends: 542 [2018-11-18 16:36:26,012 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:26,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-11-18 16:36:26,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 523. [2018-11-18 16:36:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-11-18 16:36:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 711 transitions. [2018-11-18 16:36:26,052 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 711 transitions. Word has length 25 [2018-11-18 16:36:26,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:26,053 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 711 transitions. [2018-11-18 16:36:26,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 711 transitions. [2018-11-18 16:36:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 16:36:26,055 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:26,055 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:26,055 INFO L423 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:26,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:26,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1967475866, now seen corresponding path program 1 times [2018-11-18 16:36:26,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:26,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:26,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:26,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:26,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:26,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:26,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:26,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:26,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:26,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:26,186 INFO L87 Difference]: Start difference. First operand 523 states and 711 transitions. Second operand 3 states. [2018-11-18 16:36:26,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:26,257 INFO L93 Difference]: Finished difference Result 648 states and 868 transitions. [2018-11-18 16:36:26,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:26,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-18 16:36:26,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:26,266 INFO L225 Difference]: With dead ends: 648 [2018-11-18 16:36:26,266 INFO L226 Difference]: Without dead ends: 627 [2018-11-18 16:36:26,267 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:26,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2018-11-18 16:36:26,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 587. [2018-11-18 16:36:26,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-11-18 16:36:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 794 transitions. [2018-11-18 16:36:26,301 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 794 transitions. Word has length 31 [2018-11-18 16:36:26,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:26,302 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 794 transitions. [2018-11-18 16:36:26,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 794 transitions. [2018-11-18 16:36:26,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 16:36:26,303 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:26,303 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:26,303 INFO L423 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:26,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:26,304 INFO L82 PathProgramCache]: Analyzing trace with hash -815055133, now seen corresponding path program 1 times [2018-11-18 16:36:26,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:26,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:26,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:26,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:26,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:26,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:26,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:26,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:26,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:26,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:26,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:26,378 INFO L87 Difference]: Start difference. First operand 587 states and 794 transitions. Second operand 3 states. [2018-11-18 16:36:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:26,507 INFO L93 Difference]: Finished difference Result 1102 states and 1485 transitions. [2018-11-18 16:36:26,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:26,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-11-18 16:36:26,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:26,516 INFO L225 Difference]: With dead ends: 1102 [2018-11-18 16:36:26,516 INFO L226 Difference]: Without dead ends: 800 [2018-11-18 16:36:26,517 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:26,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-18 16:36:26,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 771. [2018-11-18 16:36:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-18 16:36:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1046 transitions. [2018-11-18 16:36:26,552 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1046 transitions. Word has length 33 [2018-11-18 16:36:26,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:26,552 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1046 transitions. [2018-11-18 16:36:26,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1046 transitions. [2018-11-18 16:36:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 16:36:26,554 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:26,554 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:26,554 INFO L423 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:26,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:26,554 INFO L82 PathProgramCache]: Analyzing trace with hash -481514973, now seen corresponding path program 1 times [2018-11-18 16:36:26,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:26,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:26,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:26,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:26,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:26,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:26,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:26,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:26,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:26,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:26,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:26,641 INFO L87 Difference]: Start difference. First operand 771 states and 1046 transitions. Second operand 3 states. [2018-11-18 16:36:27,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:27,034 INFO L93 Difference]: Finished difference Result 815 states and 1100 transitions. [2018-11-18 16:36:27,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:27,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-18 16:36:27,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:27,038 INFO L225 Difference]: With dead ends: 815 [2018-11-18 16:36:27,038 INFO L226 Difference]: Without dead ends: 810 [2018-11-18 16:36:27,039 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:27,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-11-18 16:36:27,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 806. [2018-11-18 16:36:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-11-18 16:36:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1090 transitions. [2018-11-18 16:36:27,089 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1090 transitions. Word has length 38 [2018-11-18 16:36:27,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:27,089 INFO L480 AbstractCegarLoop]: Abstraction has 806 states and 1090 transitions. [2018-11-18 16:36:27,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1090 transitions. [2018-11-18 16:36:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 16:36:27,091 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:27,091 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:27,091 INFO L423 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:27,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:27,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1405012121, now seen corresponding path program 1 times [2018-11-18 16:36:27,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:27,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:27,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:27,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:27,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:27,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:27,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:27,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:27,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:27,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:27,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:27,308 INFO L87 Difference]: Start difference. First operand 806 states and 1090 transitions. Second operand 3 states. [2018-11-18 16:36:28,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:28,070 INFO L93 Difference]: Finished difference Result 821 states and 1110 transitions. [2018-11-18 16:36:28,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:28,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-18 16:36:28,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:28,074 INFO L225 Difference]: With dead ends: 821 [2018-11-18 16:36:28,074 INFO L226 Difference]: Without dead ends: 818 [2018-11-18 16:36:28,075 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:28,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-11-18 16:36:28,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 817. [2018-11-18 16:36:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-11-18 16:36:28,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1104 transitions. [2018-11-18 16:36:28,112 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1104 transitions. Word has length 38 [2018-11-18 16:36:28,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:28,113 INFO L480 AbstractCegarLoop]: Abstraction has 817 states and 1104 transitions. [2018-11-18 16:36:28,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1104 transitions. [2018-11-18 16:36:28,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 16:36:28,115 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:28,115 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:28,115 INFO L423 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:28,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:28,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1589461021, now seen corresponding path program 1 times [2018-11-18 16:36:28,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:28,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:28,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:28,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:28,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:28,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:28,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:28,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:28,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:28,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:28,241 INFO L87 Difference]: Start difference. First operand 817 states and 1104 transitions. Second operand 5 states. [2018-11-18 16:36:28,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:28,580 INFO L93 Difference]: Finished difference Result 830 states and 1118 transitions. [2018-11-18 16:36:28,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:28,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-11-18 16:36:28,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:28,584 INFO L225 Difference]: With dead ends: 830 [2018-11-18 16:36:28,584 INFO L226 Difference]: Without dead ends: 815 [2018-11-18 16:36:28,584 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:28,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-18 16:36:28,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 815. [2018-11-18 16:36:28,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2018-11-18 16:36:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1100 transitions. [2018-11-18 16:36:28,618 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1100 transitions. Word has length 39 [2018-11-18 16:36:28,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:28,618 INFO L480 AbstractCegarLoop]: Abstraction has 815 states and 1100 transitions. [2018-11-18 16:36:28,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:28,618 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1100 transitions. [2018-11-18 16:36:28,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 16:36:28,619 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:28,619 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:28,620 INFO L423 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:28,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:28,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1716712732, now seen corresponding path program 1 times [2018-11-18 16:36:28,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:28,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:28,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:28,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:28,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:28,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:28,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:28,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:28,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:28,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:28,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:28,940 INFO L87 Difference]: Start difference. First operand 815 states and 1100 transitions. Second operand 5 states. [2018-11-18 16:36:29,170 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-18 16:36:29,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:29,387 INFO L93 Difference]: Finished difference Result 828 states and 1114 transitions. [2018-11-18 16:36:29,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:29,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-11-18 16:36:29,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:29,391 INFO L225 Difference]: With dead ends: 828 [2018-11-18 16:36:29,391 INFO L226 Difference]: Without dead ends: 808 [2018-11-18 16:36:29,392 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:29,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2018-11-18 16:36:29,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2018-11-18 16:36:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-11-18 16:36:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1091 transitions. [2018-11-18 16:36:29,420 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1091 transitions. Word has length 40 [2018-11-18 16:36:29,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:29,420 INFO L480 AbstractCegarLoop]: Abstraction has 808 states and 1091 transitions. [2018-11-18 16:36:29,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:29,421 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1091 transitions. [2018-11-18 16:36:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 16:36:29,423 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:29,423 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:29,423 INFO L423 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:29,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:29,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1192219836, now seen corresponding path program 1 times [2018-11-18 16:36:29,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:29,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:29,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:29,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:29,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:29,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:29,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:29,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:29,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:29,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:29,528 INFO L87 Difference]: Start difference. First operand 808 states and 1091 transitions. Second operand 3 states. [2018-11-18 16:36:30,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:30,387 INFO L93 Difference]: Finished difference Result 1192 states and 1623 transitions. [2018-11-18 16:36:30,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:30,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-18 16:36:30,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:30,392 INFO L225 Difference]: With dead ends: 1192 [2018-11-18 16:36:30,392 INFO L226 Difference]: Without dead ends: 1189 [2018-11-18 16:36:30,393 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:30,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2018-11-18 16:36:30,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 933. [2018-11-18 16:36:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2018-11-18 16:36:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1262 transitions. [2018-11-18 16:36:30,436 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1262 transitions. Word has length 44 [2018-11-18 16:36:30,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:30,437 INFO L480 AbstractCegarLoop]: Abstraction has 933 states and 1262 transitions. [2018-11-18 16:36:30,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:30,438 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1262 transitions. [2018-11-18 16:36:30,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 16:36:30,440 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:30,440 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:30,441 INFO L423 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:30,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:30,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1970793177, now seen corresponding path program 1 times [2018-11-18 16:36:30,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:30,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:30,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:30,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:30,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:30,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:30,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:30,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:30,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:30,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:30,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:30,721 INFO L87 Difference]: Start difference. First operand 933 states and 1262 transitions. Second operand 5 states. [2018-11-18 16:36:30,907 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-11-18 16:36:32,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:32,178 INFO L93 Difference]: Finished difference Result 946 states and 1274 transitions. [2018-11-18 16:36:32,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:32,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-11-18 16:36:32,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:32,182 INFO L225 Difference]: With dead ends: 946 [2018-11-18 16:36:32,189 INFO L226 Difference]: Without dead ends: 937 [2018-11-18 16:36:32,190 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:32,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2018-11-18 16:36:32,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 933. [2018-11-18 16:36:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2018-11-18 16:36:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1260 transitions. [2018-11-18 16:36:32,230 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1260 transitions. Word has length 43 [2018-11-18 16:36:32,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:32,230 INFO L480 AbstractCegarLoop]: Abstraction has 933 states and 1260 transitions. [2018-11-18 16:36:32,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1260 transitions. [2018-11-18 16:36:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 16:36:32,231 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:32,232 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:32,232 INFO L423 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:32,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:32,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1319762688, now seen corresponding path program 1 times [2018-11-18 16:36:32,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:32,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:32,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:32,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:32,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:32,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:32,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:36:32,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:36:32,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:36:32,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:32,320 INFO L87 Difference]: Start difference. First operand 933 states and 1260 transitions. Second operand 4 states. [2018-11-18 16:36:32,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:32,464 INFO L93 Difference]: Finished difference Result 961 states and 1293 transitions. [2018-11-18 16:36:32,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:36:32,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-11-18 16:36:32,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:32,468 INFO L225 Difference]: With dead ends: 961 [2018-11-18 16:36:32,468 INFO L226 Difference]: Without dead ends: 939 [2018-11-18 16:36:32,469 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:32,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-11-18 16:36:32,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 935. [2018-11-18 16:36:32,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-11-18 16:36:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1262 transitions. [2018-11-18 16:36:32,508 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1262 transitions. Word has length 42 [2018-11-18 16:36:32,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:32,508 INFO L480 AbstractCegarLoop]: Abstraction has 935 states and 1262 transitions. [2018-11-18 16:36:32,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:36:32,509 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1262 transitions. [2018-11-18 16:36:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 16:36:32,511 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:32,511 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:32,512 INFO L423 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:32,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:32,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1457830261, now seen corresponding path program 1 times [2018-11-18 16:36:32,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:32,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:32,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:32,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:32,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:32,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:32,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:32,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:32,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:32,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:32,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:32,604 INFO L87 Difference]: Start difference. First operand 935 states and 1262 transitions. Second operand 5 states. [2018-11-18 16:36:33,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:33,225 INFO L93 Difference]: Finished difference Result 1686 states and 2249 transitions. [2018-11-18 16:36:33,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:36:33,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-18 16:36:33,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:33,228 INFO L225 Difference]: With dead ends: 1686 [2018-11-18 16:36:33,228 INFO L226 Difference]: Without dead ends: 1120 [2018-11-18 16:36:33,229 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:33,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-11-18 16:36:33,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 926. [2018-11-18 16:36:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-18 16:36:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1241 transitions. [2018-11-18 16:36:33,272 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1241 transitions. Word has length 45 [2018-11-18 16:36:33,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:33,273 INFO L480 AbstractCegarLoop]: Abstraction has 926 states and 1241 transitions. [2018-11-18 16:36:33,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1241 transitions. [2018-11-18 16:36:33,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 16:36:33,274 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:33,274 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:33,274 INFO L423 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:33,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:33,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1854298677, now seen corresponding path program 1 times [2018-11-18 16:36:33,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:33,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:33,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:33,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:33,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:33,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:33,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:33,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:33,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:33,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:33,373 INFO L87 Difference]: Start difference. First operand 926 states and 1241 transitions. Second operand 5 states. [2018-11-18 16:36:33,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:33,623 INFO L93 Difference]: Finished difference Result 939 states and 1253 transitions. [2018-11-18 16:36:33,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:33,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-11-18 16:36:33,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:33,626 INFO L225 Difference]: With dead ends: 939 [2018-11-18 16:36:33,626 INFO L226 Difference]: Without dead ends: 930 [2018-11-18 16:36:33,627 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:33,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2018-11-18 16:36:33,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 926. [2018-11-18 16:36:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-18 16:36:33,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1239 transitions. [2018-11-18 16:36:33,669 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1239 transitions. Word has length 44 [2018-11-18 16:36:33,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:33,670 INFO L480 AbstractCegarLoop]: Abstraction has 926 states and 1239 transitions. [2018-11-18 16:36:33,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:33,670 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1239 transitions. [2018-11-18 16:36:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 16:36:33,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:33,671 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:33,671 INFO L423 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:33,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:33,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1571012239, now seen corresponding path program 1 times [2018-11-18 16:36:33,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:33,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:33,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:33,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:33,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:33,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:33,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:33,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:36:33,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:36:33,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:36:33,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:33,763 INFO L87 Difference]: Start difference. First operand 926 states and 1239 transitions. Second operand 4 states. [2018-11-18 16:36:33,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:33,847 INFO L93 Difference]: Finished difference Result 954 states and 1272 transitions. [2018-11-18 16:36:33,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:36:33,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-18 16:36:33,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:33,849 INFO L225 Difference]: With dead ends: 954 [2018-11-18 16:36:33,850 INFO L226 Difference]: Without dead ends: 932 [2018-11-18 16:36:33,850 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:33,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-11-18 16:36:33,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 926. [2018-11-18 16:36:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-18 16:36:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1239 transitions. [2018-11-18 16:36:33,892 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1239 transitions. Word has length 43 [2018-11-18 16:36:33,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:33,892 INFO L480 AbstractCegarLoop]: Abstraction has 926 states and 1239 transitions. [2018-11-18 16:36:33,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:36:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1239 transitions. [2018-11-18 16:36:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 16:36:33,895 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:33,895 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:33,896 INFO L423 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:33,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:33,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1593769136, now seen corresponding path program 1 times [2018-11-18 16:36:33,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:33,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:33,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:33,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:33,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:34,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:34,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:34,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:34,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:34,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:34,045 INFO L87 Difference]: Start difference. First operand 926 states and 1239 transitions. Second operand 5 states. [2018-11-18 16:36:34,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:34,272 INFO L93 Difference]: Finished difference Result 942 states and 1254 transitions. [2018-11-18 16:36:34,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:34,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-18 16:36:34,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:34,276 INFO L225 Difference]: With dead ends: 942 [2018-11-18 16:36:34,276 INFO L226 Difference]: Without dead ends: 924 [2018-11-18 16:36:34,277 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:34,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2018-11-18 16:36:34,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2018-11-18 16:36:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-11-18 16:36:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1235 transitions. [2018-11-18 16:36:34,316 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1235 transitions. Word has length 45 [2018-11-18 16:36:34,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:34,316 INFO L480 AbstractCegarLoop]: Abstraction has 924 states and 1235 transitions. [2018-11-18 16:36:34,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:34,316 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1235 transitions. [2018-11-18 16:36:34,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 16:36:34,319 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:34,319 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:34,319 INFO L423 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:34,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:34,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1142229789, now seen corresponding path program 1 times [2018-11-18 16:36:34,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:34,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:34,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:34,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:34,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:34,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:34,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:34,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:34,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:34,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:34,408 INFO L87 Difference]: Start difference. First operand 924 states and 1235 transitions. Second operand 3 states. [2018-11-18 16:36:34,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:34,598 INFO L93 Difference]: Finished difference Result 954 states and 1271 transitions. [2018-11-18 16:36:34,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:34,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-18 16:36:34,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:34,602 INFO L225 Difference]: With dead ends: 954 [2018-11-18 16:36:34,602 INFO L226 Difference]: Without dead ends: 906 [2018-11-18 16:36:34,603 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:34,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-18 16:36:34,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 902. [2018-11-18 16:36:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-11-18 16:36:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1203 transitions. [2018-11-18 16:36:34,642 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1203 transitions. Word has length 46 [2018-11-18 16:36:34,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:34,642 INFO L480 AbstractCegarLoop]: Abstraction has 902 states and 1203 transitions. [2018-11-18 16:36:34,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:34,642 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1203 transitions. [2018-11-18 16:36:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 16:36:34,643 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:34,643 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:34,644 INFO L423 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:34,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:34,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1651959336, now seen corresponding path program 1 times [2018-11-18 16:36:34,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:34,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:34,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:34,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:34,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:34,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:34,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:34,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:34,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:34,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:34,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:34,868 INFO L87 Difference]: Start difference. First operand 902 states and 1203 transitions. Second operand 5 states. [2018-11-18 16:36:34,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:34,974 INFO L93 Difference]: Finished difference Result 918 states and 1218 transitions. [2018-11-18 16:36:34,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:34,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-11-18 16:36:34,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:34,977 INFO L225 Difference]: With dead ends: 918 [2018-11-18 16:36:34,978 INFO L226 Difference]: Without dead ends: 900 [2018-11-18 16:36:34,978 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:34,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-11-18 16:36:35,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2018-11-18 16:36:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-11-18 16:36:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1199 transitions. [2018-11-18 16:36:35,024 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1199 transitions. Word has length 47 [2018-11-18 16:36:35,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:35,024 INFO L480 AbstractCegarLoop]: Abstraction has 900 states and 1199 transitions. [2018-11-18 16:36:35,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1199 transitions. [2018-11-18 16:36:35,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 16:36:35,025 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:35,025 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:35,025 INFO L423 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:35,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:35,025 INFO L82 PathProgramCache]: Analyzing trace with hash -341128887, now seen corresponding path program 1 times [2018-11-18 16:36:35,025 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:35,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:35,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:35,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:35,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:35,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:35,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:36:35,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:36:35,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:36:35,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:35,195 INFO L87 Difference]: Start difference. First operand 900 states and 1199 transitions. Second operand 4 states. [2018-11-18 16:36:35,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:35,381 INFO L93 Difference]: Finished difference Result 984 states and 1282 transitions. [2018-11-18 16:36:35,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:36:35,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-11-18 16:36:35,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:35,383 INFO L225 Difference]: With dead ends: 984 [2018-11-18 16:36:35,383 INFO L226 Difference]: Without dead ends: 647 [2018-11-18 16:36:35,384 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:35,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2018-11-18 16:36:35,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 610. [2018-11-18 16:36:35,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2018-11-18 16:36:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 788 transitions. [2018-11-18 16:36:35,406 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 788 transitions. Word has length 52 [2018-11-18 16:36:35,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:35,406 INFO L480 AbstractCegarLoop]: Abstraction has 610 states and 788 transitions. [2018-11-18 16:36:35,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:36:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 788 transitions. [2018-11-18 16:36:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 16:36:35,407 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:35,407 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:35,407 INFO L423 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:35,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:35,408 INFO L82 PathProgramCache]: Analyzing trace with hash 344016224, now seen corresponding path program 1 times [2018-11-18 16:36:35,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:35,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:35,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:35,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:35,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:35,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:35,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:35,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:35,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:35,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:35,496 INFO L87 Difference]: Start difference. First operand 610 states and 788 transitions. Second operand 3 states. [2018-11-18 16:36:35,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:35,635 INFO L93 Difference]: Finished difference Result 819 states and 1066 transitions. [2018-11-18 16:36:35,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:35,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-18 16:36:35,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:35,637 INFO L225 Difference]: With dead ends: 819 [2018-11-18 16:36:35,637 INFO L226 Difference]: Without dead ends: 807 [2018-11-18 16:36:35,638 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:35,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2018-11-18 16:36:35,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 673. [2018-11-18 16:36:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-11-18 16:36:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 866 transitions. [2018-11-18 16:36:35,666 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 866 transitions. Word has length 50 [2018-11-18 16:36:35,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:35,666 INFO L480 AbstractCegarLoop]: Abstraction has 673 states and 866 transitions. [2018-11-18 16:36:35,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 866 transitions. [2018-11-18 16:36:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 16:36:35,668 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:35,668 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:35,668 INFO L423 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:35,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:35,668 INFO L82 PathProgramCache]: Analyzing trace with hash -37148420, now seen corresponding path program 1 times [2018-11-18 16:36:35,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:35,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:35,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:35,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:35,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:35,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:35,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:36:35,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:36:35,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:36:35,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:35,884 INFO L87 Difference]: Start difference. First operand 673 states and 866 transitions. Second operand 6 states. [2018-11-18 16:36:36,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:36,244 INFO L93 Difference]: Finished difference Result 693 states and 886 transitions. [2018-11-18 16:36:36,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:36:36,245 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-18 16:36:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:36,247 INFO L225 Difference]: With dead ends: 693 [2018-11-18 16:36:36,247 INFO L226 Difference]: Without dead ends: 673 [2018-11-18 16:36:36,247 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:36,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2018-11-18 16:36:36,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2018-11-18 16:36:36,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-11-18 16:36:36,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 854 transitions. [2018-11-18 16:36:36,273 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 854 transitions. Word has length 50 [2018-11-18 16:36:36,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:36,274 INFO L480 AbstractCegarLoop]: Abstraction has 673 states and 854 transitions. [2018-11-18 16:36:36,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:36:36,274 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 854 transitions. [2018-11-18 16:36:36,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:36:36,275 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:36,275 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:36,275 INFO L423 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:36,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:36,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1767520860, now seen corresponding path program 1 times [2018-11-18 16:36:36,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:36,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:36,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:36,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:36,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:36,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:36,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:36:36,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:36:36,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:36:36,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:36:36,506 INFO L87 Difference]: Start difference. First operand 673 states and 854 transitions. Second operand 8 states. [2018-11-18 16:36:36,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:36,711 INFO L93 Difference]: Finished difference Result 703 states and 888 transitions. [2018-11-18 16:36:36,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:36:36,711 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-18 16:36:36,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:36,713 INFO L225 Difference]: With dead ends: 703 [2018-11-18 16:36:36,713 INFO L226 Difference]: Without dead ends: 699 [2018-11-18 16:36:36,713 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:36,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-11-18 16:36:36,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 691. [2018-11-18 16:36:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2018-11-18 16:36:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 875 transitions. [2018-11-18 16:36:36,747 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 875 transitions. Word has length 51 [2018-11-18 16:36:36,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:36,747 INFO L480 AbstractCegarLoop]: Abstraction has 691 states and 875 transitions. [2018-11-18 16:36:36,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:36:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 875 transitions. [2018-11-18 16:36:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:36:36,750 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:36,750 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:36,750 INFO L423 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:36,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:36,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1767797690, now seen corresponding path program 1 times [2018-11-18 16:36:36,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:36,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:36,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:36,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:36,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:37,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:37,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:36:37,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:36:37,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:36:37,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:36:37,051 INFO L87 Difference]: Start difference. First operand 691 states and 875 transitions. Second operand 8 states. [2018-11-18 16:36:37,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:37,337 INFO L93 Difference]: Finished difference Result 1093 states and 1408 transitions. [2018-11-18 16:36:37,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:36:37,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-18 16:36:37,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:37,339 INFO L225 Difference]: With dead ends: 1093 [2018-11-18 16:36:37,340 INFO L226 Difference]: Without dead ends: 734 [2018-11-18 16:36:37,341 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:36:37,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2018-11-18 16:36:37,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 717. [2018-11-18 16:36:37,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-11-18 16:36:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 919 transitions. [2018-11-18 16:36:37,364 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 919 transitions. Word has length 51 [2018-11-18 16:36:37,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:37,365 INFO L480 AbstractCegarLoop]: Abstraction has 717 states and 919 transitions. [2018-11-18 16:36:37,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:36:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 919 transitions. [2018-11-18 16:36:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:36:37,366 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:37,366 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:37,366 INFO L423 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:37,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:37,367 INFO L82 PathProgramCache]: Analyzing trace with hash 848725340, now seen corresponding path program 1 times [2018-11-18 16:36:37,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:37,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:37,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:37,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:37,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:37,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:37,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:36:37,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:36:37,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:36:37,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:37,520 INFO L87 Difference]: Start difference. First operand 717 states and 919 transitions. Second operand 6 states. [2018-11-18 16:36:37,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:37,571 INFO L93 Difference]: Finished difference Result 748 states and 956 transitions. [2018-11-18 16:36:37,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:36:37,572 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-11-18 16:36:37,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:37,574 INFO L225 Difference]: With dead ends: 748 [2018-11-18 16:36:37,574 INFO L226 Difference]: Without dead ends: 726 [2018-11-18 16:36:37,575 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:37,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2018-11-18 16:36:37,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 720. [2018-11-18 16:36:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-18 16:36:37,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 923 transitions. [2018-11-18 16:36:37,611 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 923 transitions. Word has length 51 [2018-11-18 16:36:37,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:37,611 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 923 transitions. [2018-11-18 16:36:37,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:36:37,612 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 923 transitions. [2018-11-18 16:36:37,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:36:37,613 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:37,615 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:37,616 INFO L423 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:37,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:37,616 INFO L82 PathProgramCache]: Analyzing trace with hash -158732917, now seen corresponding path program 1 times [2018-11-18 16:36:37,616 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:37,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:37,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:37,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:37,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:38,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:38,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:38,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:36:38,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:36:38,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:36:38,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:38,039 INFO L87 Difference]: Start difference. First operand 720 states and 923 transitions. Second operand 7 states. [2018-11-18 16:36:38,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:38,160 INFO L93 Difference]: Finished difference Result 751 states and 953 transitions. [2018-11-18 16:36:38,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:36:38,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-18 16:36:38,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:38,162 INFO L225 Difference]: With dead ends: 751 [2018-11-18 16:36:38,162 INFO L226 Difference]: Without dead ends: 720 [2018-11-18 16:36:38,163 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:36:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-11-18 16:36:38,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 707. [2018-11-18 16:36:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2018-11-18 16:36:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 902 transitions. [2018-11-18 16:36:38,191 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 902 transitions. Word has length 51 [2018-11-18 16:36:38,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:38,192 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 902 transitions. [2018-11-18 16:36:38,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:36:38,192 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 902 transitions. [2018-11-18 16:36:38,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 16:36:38,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:38,193 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:38,194 INFO L423 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:38,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:38,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1896315781, now seen corresponding path program 1 times [2018-11-18 16:36:38,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:38,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:38,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:38,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:38,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:38,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:38,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:38,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:38,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:38,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:38,259 INFO L87 Difference]: Start difference. First operand 707 states and 902 transitions. Second operand 3 states. [2018-11-18 16:36:39,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:39,085 INFO L93 Difference]: Finished difference Result 948 states and 1224 transitions. [2018-11-18 16:36:39,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:39,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-18 16:36:39,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:39,089 INFO L225 Difference]: With dead ends: 948 [2018-11-18 16:36:39,090 INFO L226 Difference]: Without dead ends: 918 [2018-11-18 16:36:39,090 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:39,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2018-11-18 16:36:39,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 779. [2018-11-18 16:36:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2018-11-18 16:36:39,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 993 transitions. [2018-11-18 16:36:39,132 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 993 transitions. Word has length 52 [2018-11-18 16:36:39,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:39,132 INFO L480 AbstractCegarLoop]: Abstraction has 779 states and 993 transitions. [2018-11-18 16:36:39,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 993 transitions. [2018-11-18 16:36:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 16:36:39,135 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:39,136 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:39,136 INFO L423 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:39,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:39,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1753036423, now seen corresponding path program 1 times [2018-11-18 16:36:39,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:39,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:39,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:39,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:39,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:39,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:39,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:39,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:36:39,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:36:39,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:36:39,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:39,540 INFO L87 Difference]: Start difference. First operand 779 states and 993 transitions. Second operand 7 states. [2018-11-18 16:36:40,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:40,514 INFO L93 Difference]: Finished difference Result 861 states and 1096 transitions. [2018-11-18 16:36:40,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 16:36:40,515 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 16:36:40,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:40,517 INFO L225 Difference]: With dead ends: 861 [2018-11-18 16:36:40,517 INFO L226 Difference]: Without dead ends: 756 [2018-11-18 16:36:40,519 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-11-18 16:36:40,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-11-18 16:36:40,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 730. [2018-11-18 16:36:40,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2018-11-18 16:36:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 927 transitions. [2018-11-18 16:36:40,563 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 927 transitions. Word has length 52 [2018-11-18 16:36:40,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:40,563 INFO L480 AbstractCegarLoop]: Abstraction has 730 states and 927 transitions. [2018-11-18 16:36:40,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:36:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 927 transitions. [2018-11-18 16:36:40,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 16:36:40,564 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:40,565 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:40,565 INFO L423 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:40,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:40,565 INFO L82 PathProgramCache]: Analyzing trace with hash 967374765, now seen corresponding path program 1 times [2018-11-18 16:36:40,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:40,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:40,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:40,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:40,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:40,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:40,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:40,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:36:40,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:36:40,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:36:40,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:40,727 INFO L87 Difference]: Start difference. First operand 730 states and 927 transitions. Second operand 9 states. [2018-11-18 16:36:42,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:42,345 INFO L93 Difference]: Finished difference Result 978 states and 1227 transitions. [2018-11-18 16:36:42,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 16:36:42,346 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-11-18 16:36:42,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:42,349 INFO L225 Difference]: With dead ends: 978 [2018-11-18 16:36:42,349 INFO L226 Difference]: Without dead ends: 890 [2018-11-18 16:36:42,350 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-11-18 16:36:42,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2018-11-18 16:36:42,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 743. [2018-11-18 16:36:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2018-11-18 16:36:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 932 transitions. [2018-11-18 16:36:42,396 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 932 transitions. Word has length 52 [2018-11-18 16:36:42,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:42,396 INFO L480 AbstractCegarLoop]: Abstraction has 743 states and 932 transitions. [2018-11-18 16:36:42,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:36:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 932 transitions. [2018-11-18 16:36:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 16:36:42,399 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:42,399 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:42,400 INFO L423 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:42,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:42,400 INFO L82 PathProgramCache]: Analyzing trace with hash 58350763, now seen corresponding path program 1 times [2018-11-18 16:36:42,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:42,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:42,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:42,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:42,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:42,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:42,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:42,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:42,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:42,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:42,477 INFO L87 Difference]: Start difference. First operand 743 states and 932 transitions. Second operand 3 states. [2018-11-18 16:36:42,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:42,965 INFO L93 Difference]: Finished difference Result 1053 states and 1333 transitions. [2018-11-18 16:36:42,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:42,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-18 16:36:42,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:42,969 INFO L225 Difference]: With dead ends: 1053 [2018-11-18 16:36:42,970 INFO L226 Difference]: Without dead ends: 742 [2018-11-18 16:36:42,971 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:42,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-18 16:36:43,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-18 16:36:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-18 16:36:43,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 928 transitions. [2018-11-18 16:36:43,016 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 928 transitions. Word has length 58 [2018-11-18 16:36:43,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:43,016 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 928 transitions. [2018-11-18 16:36:43,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 928 transitions. [2018-11-18 16:36:43,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 16:36:43,020 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:43,020 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:43,020 INFO L423 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:43,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:43,021 INFO L82 PathProgramCache]: Analyzing trace with hash -910407576, now seen corresponding path program 1 times [2018-11-18 16:36:43,021 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:43,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:43,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:43,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:43,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:43,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:43,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:43,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:43,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:43,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:43,281 INFO L87 Difference]: Start difference. First operand 742 states and 928 transitions. Second operand 5 states. [2018-11-18 16:36:44,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:44,132 INFO L93 Difference]: Finished difference Result 830 states and 1038 transitions. [2018-11-18 16:36:44,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:44,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-11-18 16:36:44,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:44,135 INFO L225 Difference]: With dead ends: 830 [2018-11-18 16:36:44,135 INFO L226 Difference]: Without dead ends: 812 [2018-11-18 16:36:44,135 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:44,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-11-18 16:36:44,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 744. [2018-11-18 16:36:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 16:36:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 928 transitions. [2018-11-18 16:36:44,162 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 928 transitions. Word has length 54 [2018-11-18 16:36:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:44,163 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 928 transitions. [2018-11-18 16:36:44,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 928 transitions. [2018-11-18 16:36:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 16:36:44,164 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:44,164 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:44,164 INFO L423 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:44,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:44,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1270544573, now seen corresponding path program 1 times [2018-11-18 16:36:44,164 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:44,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:44,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:44,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:44,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:44,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:44,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:36:44,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:36:44,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:36:44,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:36:44,488 INFO L87 Difference]: Start difference. First operand 744 states and 928 transitions. Second operand 8 states. [2018-11-18 16:36:44,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:44,583 INFO L93 Difference]: Finished difference Result 757 states and 940 transitions. [2018-11-18 16:36:44,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:36:44,584 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-11-18 16:36:44,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:44,586 INFO L225 Difference]: With dead ends: 757 [2018-11-18 16:36:44,586 INFO L226 Difference]: Without dead ends: 729 [2018-11-18 16:36:44,587 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:44,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2018-11-18 16:36:44,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2018-11-18 16:36:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-18 16:36:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 909 transitions. [2018-11-18 16:36:44,628 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 909 transitions. Word has length 55 [2018-11-18 16:36:44,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:44,629 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 909 transitions. [2018-11-18 16:36:44,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:36:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 909 transitions. [2018-11-18 16:36:44,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 16:36:44,630 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:44,630 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:44,630 INFO L423 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:44,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:44,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1374204039, now seen corresponding path program 1 times [2018-11-18 16:36:44,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:44,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:44,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:44,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:44,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:44,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:44,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:36:44,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:36:44,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:36:44,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:44,755 INFO L87 Difference]: Start difference. First operand 729 states and 909 transitions. Second operand 4 states. [2018-11-18 16:36:45,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:45,045 INFO L93 Difference]: Finished difference Result 1787 states and 2188 transitions. [2018-11-18 16:36:45,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:36:45,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-11-18 16:36:45,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:45,049 INFO L225 Difference]: With dead ends: 1787 [2018-11-18 16:36:45,049 INFO L226 Difference]: Without dead ends: 1120 [2018-11-18 16:36:45,051 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:45,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-11-18 16:36:45,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 978. [2018-11-18 16:36:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-11-18 16:36:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1200 transitions. [2018-11-18 16:36:45,113 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1200 transitions. Word has length 64 [2018-11-18 16:36:45,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:45,113 INFO L480 AbstractCegarLoop]: Abstraction has 978 states and 1200 transitions. [2018-11-18 16:36:45,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:36:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1200 transitions. [2018-11-18 16:36:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 16:36:45,116 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:45,116 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:45,117 INFO L423 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:45,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:45,117 INFO L82 PathProgramCache]: Analyzing trace with hash 950557317, now seen corresponding path program 1 times [2018-11-18 16:36:45,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:45,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:45,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:45,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:45,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:45,667 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 16 [2018-11-18 16:36:45,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:45,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:45,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:45,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:45,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:45,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:45,670 INFO L87 Difference]: Start difference. First operand 978 states and 1200 transitions. Second operand 5 states. [2018-11-18 16:36:45,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:45,836 INFO L93 Difference]: Finished difference Result 1239 states and 1537 transitions. [2018-11-18 16:36:45,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:45,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-18 16:36:45,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:45,841 INFO L225 Difference]: With dead ends: 1239 [2018-11-18 16:36:45,842 INFO L226 Difference]: Without dead ends: 910 [2018-11-18 16:36:45,844 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:45,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2018-11-18 16:36:45,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 910. [2018-11-18 16:36:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2018-11-18 16:36:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1105 transitions. [2018-11-18 16:36:45,931 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1105 transitions. Word has length 64 [2018-11-18 16:36:45,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:45,931 INFO L480 AbstractCegarLoop]: Abstraction has 910 states and 1105 transitions. [2018-11-18 16:36:45,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1105 transitions. [2018-11-18 16:36:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 16:36:45,932 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:45,932 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:45,932 INFO L423 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:45,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:45,933 INFO L82 PathProgramCache]: Analyzing trace with hash -448885556, now seen corresponding path program 1 times [2018-11-18 16:36:45,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:45,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:45,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:45,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:45,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:46,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:46,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:36:46,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:36:46,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:36:46,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:36:46,331 INFO L87 Difference]: Start difference. First operand 910 states and 1105 transitions. Second operand 8 states. [2018-11-18 16:36:46,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:46,584 INFO L93 Difference]: Finished difference Result 924 states and 1118 transitions. [2018-11-18 16:36:46,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:36:46,584 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-11-18 16:36:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:46,586 INFO L225 Difference]: With dead ends: 924 [2018-11-18 16:36:46,586 INFO L226 Difference]: Without dead ends: 906 [2018-11-18 16:36:46,587 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:46,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-18 16:36:46,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 906. [2018-11-18 16:36:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-11-18 16:36:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1099 transitions. [2018-11-18 16:36:46,636 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1099 transitions. Word has length 58 [2018-11-18 16:36:46,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:46,636 INFO L480 AbstractCegarLoop]: Abstraction has 906 states and 1099 transitions. [2018-11-18 16:36:46,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:36:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1099 transitions. [2018-11-18 16:36:46,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 16:36:46,640 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:46,640 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:46,640 INFO L423 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:46,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:46,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1211898903, now seen corresponding path program 1 times [2018-11-18 16:36:46,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:46,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:46,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:46,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:46,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:46,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:46,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:36:46,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:36:46,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:36:46,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:46,917 INFO L87 Difference]: Start difference. First operand 906 states and 1099 transitions. Second operand 6 states. [2018-11-18 16:36:47,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:47,182 INFO L93 Difference]: Finished difference Result 937 states and 1129 transitions. [2018-11-18 16:36:47,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:36:47,182 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-18 16:36:47,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:47,184 INFO L225 Difference]: With dead ends: 937 [2018-11-18 16:36:47,185 INFO L226 Difference]: Without dead ends: 906 [2018-11-18 16:36:47,185 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:47,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-18 16:36:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2018-11-18 16:36:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-11-18 16:36:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1083 transitions. [2018-11-18 16:36:47,219 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1083 transitions. Word has length 60 [2018-11-18 16:36:47,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:47,220 INFO L480 AbstractCegarLoop]: Abstraction has 894 states and 1083 transitions. [2018-11-18 16:36:47,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:36:47,220 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1083 transitions. [2018-11-18 16:36:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 16:36:47,221 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:47,221 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:47,221 INFO L423 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:47,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:47,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1296649100, now seen corresponding path program 1 times [2018-11-18 16:36:47,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:47,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:47,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:47,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:47,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:47,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:47,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:47,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:47,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:47,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:47,408 INFO L87 Difference]: Start difference. First operand 894 states and 1083 transitions. Second operand 5 states. [2018-11-18 16:36:47,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:47,622 INFO L93 Difference]: Finished difference Result 1155 states and 1413 transitions. [2018-11-18 16:36:47,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:47,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-11-18 16:36:47,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:47,626 INFO L225 Difference]: With dead ends: 1155 [2018-11-18 16:36:47,626 INFO L226 Difference]: Without dead ends: 894 [2018-11-18 16:36:47,627 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:47,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-18 16:36:47,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2018-11-18 16:36:47,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-11-18 16:36:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1081 transitions. [2018-11-18 16:36:47,664 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1081 transitions. Word has length 68 [2018-11-18 16:36:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:47,664 INFO L480 AbstractCegarLoop]: Abstraction has 894 states and 1081 transitions. [2018-11-18 16:36:47,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1081 transitions. [2018-11-18 16:36:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 16:36:47,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:47,665 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:47,665 INFO L423 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:47,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:47,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1277975134, now seen corresponding path program 1 times [2018-11-18 16:36:47,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:47,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:47,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:47,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:47,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:47,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:47,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:47,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:47,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:47,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:47,839 INFO L87 Difference]: Start difference. First operand 894 states and 1081 transitions. Second operand 5 states. [2018-11-18 16:36:47,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:47,929 INFO L93 Difference]: Finished difference Result 1080 states and 1301 transitions. [2018-11-18 16:36:47,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:47,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-11-18 16:36:47,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:47,933 INFO L225 Difference]: With dead ends: 1080 [2018-11-18 16:36:47,934 INFO L226 Difference]: Without dead ends: 906 [2018-11-18 16:36:47,935 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:47,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-18 16:36:47,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 902. [2018-11-18 16:36:47,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-11-18 16:36:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1089 transitions. [2018-11-18 16:36:47,990 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1089 transitions. Word has length 63 [2018-11-18 16:36:47,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:47,990 INFO L480 AbstractCegarLoop]: Abstraction has 902 states and 1089 transitions. [2018-11-18 16:36:47,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1089 transitions. [2018-11-18 16:36:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 16:36:47,991 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:47,992 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:47,992 INFO L423 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:47,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:47,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1001822433, now seen corresponding path program 1 times [2018-11-18 16:36:47,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:47,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:47,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:47,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:47,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:48,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:48,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:48,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:36:48,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:36:48,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:36:48,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:48,283 INFO L87 Difference]: Start difference. First operand 902 states and 1089 transitions. Second operand 9 states. [2018-11-18 16:36:48,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:48,379 INFO L93 Difference]: Finished difference Result 1312 states and 1564 transitions. [2018-11-18 16:36:48,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:36:48,385 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-11-18 16:36:48,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:48,388 INFO L225 Difference]: With dead ends: 1312 [2018-11-18 16:36:48,388 INFO L226 Difference]: Without dead ends: 904 [2018-11-18 16:36:48,389 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:36:48,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-11-18 16:36:48,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 902. [2018-11-18 16:36:48,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-11-18 16:36:48,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1086 transitions. [2018-11-18 16:36:48,425 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1086 transitions. Word has length 63 [2018-11-18 16:36:48,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:48,426 INFO L480 AbstractCegarLoop]: Abstraction has 902 states and 1086 transitions. [2018-11-18 16:36:48,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:36:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1086 transitions. [2018-11-18 16:36:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 16:36:48,427 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:48,427 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:48,427 INFO L423 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:48,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:48,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1579328759, now seen corresponding path program 1 times [2018-11-18 16:36:48,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:48,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:48,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:48,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:48,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:48,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:48,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:36:48,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:36:48,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:36:48,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:48,684 INFO L87 Difference]: Start difference. First operand 902 states and 1086 transitions. Second operand 6 states. [2018-11-18 16:36:48,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:48,731 INFO L93 Difference]: Finished difference Result 920 states and 1102 transitions. [2018-11-18 16:36:48,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:36:48,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 16:36:48,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:48,734 INFO L225 Difference]: With dead ends: 920 [2018-11-18 16:36:48,735 INFO L226 Difference]: Without dead ends: 882 [2018-11-18 16:36:48,735 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:48,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2018-11-18 16:36:48,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 882. [2018-11-18 16:36:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-11-18 16:36:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1063 transitions. [2018-11-18 16:36:48,778 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1063 transitions. Word has length 63 [2018-11-18 16:36:48,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:48,779 INFO L480 AbstractCegarLoop]: Abstraction has 882 states and 1063 transitions. [2018-11-18 16:36:48,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:36:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1063 transitions. [2018-11-18 16:36:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 16:36:48,780 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:48,780 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:48,780 INFO L423 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:48,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:48,780 INFO L82 PathProgramCache]: Analyzing trace with hash 365918546, now seen corresponding path program 1 times [2018-11-18 16:36:48,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:48,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:48,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:48,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:48,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:48,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:48,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:48,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:48,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:48,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:48,869 INFO L87 Difference]: Start difference. First operand 882 states and 1063 transitions. Second operand 3 states. [2018-11-18 16:36:49,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:49,013 INFO L93 Difference]: Finished difference Result 1199 states and 1466 transitions. [2018-11-18 16:36:49,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:49,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-11-18 16:36:49,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:49,016 INFO L225 Difference]: With dead ends: 1199 [2018-11-18 16:36:49,016 INFO L226 Difference]: Without dead ends: 938 [2018-11-18 16:36:49,017 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:49,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2018-11-18 16:36:49,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 882. [2018-11-18 16:36:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-11-18 16:36:49,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1063 transitions. [2018-11-18 16:36:49,066 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1063 transitions. Word has length 71 [2018-11-18 16:36:49,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:49,066 INFO L480 AbstractCegarLoop]: Abstraction has 882 states and 1063 transitions. [2018-11-18 16:36:49,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1063 transitions. [2018-11-18 16:36:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 16:36:49,067 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:49,068 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:49,068 INFO L423 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:49,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:49,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1935013486, now seen corresponding path program 1 times [2018-11-18 16:36:49,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:49,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:49,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:49,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:49,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:49,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:36:49,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:36:49,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:36:49,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:49,238 INFO L87 Difference]: Start difference. First operand 882 states and 1063 transitions. Second operand 6 states. [2018-11-18 16:36:49,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:49,356 INFO L93 Difference]: Finished difference Result 1167 states and 1419 transitions. [2018-11-18 16:36:49,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:36:49,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-11-18 16:36:49,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:49,358 INFO L225 Difference]: With dead ends: 1167 [2018-11-18 16:36:49,358 INFO L226 Difference]: Without dead ends: 939 [2018-11-18 16:36:49,359 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:49,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-11-18 16:36:49,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 882. [2018-11-18 16:36:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-11-18 16:36:49,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1061 transitions. [2018-11-18 16:36:49,397 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1061 transitions. Word has length 71 [2018-11-18 16:36:49,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:49,397 INFO L480 AbstractCegarLoop]: Abstraction has 882 states and 1061 transitions. [2018-11-18 16:36:49,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:36:49,397 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1061 transitions. [2018-11-18 16:36:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 16:36:49,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:49,398 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:49,399 INFO L423 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:49,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:49,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2043827992, now seen corresponding path program 1 times [2018-11-18 16:36:49,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:49,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:49,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:49,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:49,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:49,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:49,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:49,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:49,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:49,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:49,733 INFO L87 Difference]: Start difference. First operand 882 states and 1061 transitions. Second operand 5 states. [2018-11-18 16:36:49,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:49,770 INFO L93 Difference]: Finished difference Result 892 states and 1070 transitions. [2018-11-18 16:36:49,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:49,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-18 16:36:49,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:49,772 INFO L225 Difference]: With dead ends: 892 [2018-11-18 16:36:49,772 INFO L226 Difference]: Without dead ends: 860 [2018-11-18 16:36:49,773 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:49,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2018-11-18 16:36:49,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 855. [2018-11-18 16:36:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2018-11-18 16:36:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1031 transitions. [2018-11-18 16:36:49,809 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1031 transitions. Word has length 64 [2018-11-18 16:36:49,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:49,810 INFO L480 AbstractCegarLoop]: Abstraction has 855 states and 1031 transitions. [2018-11-18 16:36:49,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:49,810 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1031 transitions. [2018-11-18 16:36:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 16:36:49,811 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:49,811 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:49,811 INFO L423 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:49,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:49,811 INFO L82 PathProgramCache]: Analyzing trace with hash 698875826, now seen corresponding path program 1 times [2018-11-18 16:36:49,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:49,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:49,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:49,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:50,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:50,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:50,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:36:50,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:36:50,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:36:50,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:50,099 INFO L87 Difference]: Start difference. First operand 855 states and 1031 transitions. Second operand 9 states. [2018-11-18 16:36:50,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:50,253 INFO L93 Difference]: Finished difference Result 872 states and 1047 transitions. [2018-11-18 16:36:50,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:36:50,253 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-11-18 16:36:50,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:50,255 INFO L225 Difference]: With dead ends: 872 [2018-11-18 16:36:50,255 INFO L226 Difference]: Without dead ends: 851 [2018-11-18 16:36:50,256 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:36:50,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-11-18 16:36:50,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 851. [2018-11-18 16:36:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2018-11-18 16:36:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1025 transitions. [2018-11-18 16:36:50,288 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1025 transitions. Word has length 63 [2018-11-18 16:36:50,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:50,288 INFO L480 AbstractCegarLoop]: Abstraction has 851 states and 1025 transitions. [2018-11-18 16:36:50,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:36:50,288 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1025 transitions. [2018-11-18 16:36:50,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 16:36:50,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:50,289 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:50,290 INFO L423 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:50,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:50,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1549959098, now seen corresponding path program 1 times [2018-11-18 16:36:50,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:50,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:50,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:50,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:50,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:50,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:50,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:36:50,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:36:50,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:36:50,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:50,451 INFO L87 Difference]: Start difference. First operand 851 states and 1025 transitions. Second operand 9 states. [2018-11-18 16:36:50,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:50,572 INFO L93 Difference]: Finished difference Result 868 states and 1041 transitions. [2018-11-18 16:36:50,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:36:50,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-11-18 16:36:50,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:50,575 INFO L225 Difference]: With dead ends: 868 [2018-11-18 16:36:50,575 INFO L226 Difference]: Without dead ends: 846 [2018-11-18 16:36:50,576 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:36:50,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2018-11-18 16:36:50,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 846. [2018-11-18 16:36:50,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-11-18 16:36:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1018 transitions. [2018-11-18 16:36:50,628 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1018 transitions. Word has length 64 [2018-11-18 16:36:50,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:50,628 INFO L480 AbstractCegarLoop]: Abstraction has 846 states and 1018 transitions. [2018-11-18 16:36:50,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:36:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1018 transitions. [2018-11-18 16:36:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 16:36:50,629 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:50,629 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:50,629 INFO L423 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:50,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:50,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1814896728, now seen corresponding path program 1 times [2018-11-18 16:36:50,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:50,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:50,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:50,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:50,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:50,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:50,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:50,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:36:50,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:36:50,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:36:50,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:50,768 INFO L87 Difference]: Start difference. First operand 846 states and 1018 transitions. Second operand 9 states. [2018-11-18 16:36:50,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:50,877 INFO L93 Difference]: Finished difference Result 863 states and 1034 transitions. [2018-11-18 16:36:50,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:36:50,878 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-11-18 16:36:50,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:50,880 INFO L225 Difference]: With dead ends: 863 [2018-11-18 16:36:50,880 INFO L226 Difference]: Without dead ends: 842 [2018-11-18 16:36:50,881 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:36:50,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2018-11-18 16:36:50,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2018-11-18 16:36:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2018-11-18 16:36:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1012 transitions. [2018-11-18 16:36:50,911 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1012 transitions. Word has length 64 [2018-11-18 16:36:50,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:50,912 INFO L480 AbstractCegarLoop]: Abstraction has 842 states and 1012 transitions. [2018-11-18 16:36:50,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:36:50,912 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1012 transitions. [2018-11-18 16:36:50,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 16:36:50,913 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:50,913 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:50,913 INFO L423 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:50,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:50,913 INFO L82 PathProgramCache]: Analyzing trace with hash 2066215379, now seen corresponding path program 1 times [2018-11-18 16:36:50,913 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:50,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:50,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:50,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:50,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:51,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:51,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:36:51,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:36:51,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:36:51,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:36:51,054 INFO L87 Difference]: Start difference. First operand 842 states and 1012 transitions. Second operand 8 states. [2018-11-18 16:36:51,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:51,139 INFO L93 Difference]: Finished difference Result 853 states and 1022 transitions. [2018-11-18 16:36:51,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:36:51,139 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-11-18 16:36:51,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:51,141 INFO L225 Difference]: With dead ends: 853 [2018-11-18 16:36:51,142 INFO L226 Difference]: Without dead ends: 831 [2018-11-18 16:36:51,142 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:51,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-11-18 16:36:51,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 771. [2018-11-18 16:36:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-18 16:36:51,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 926 transitions. [2018-11-18 16:36:51,192 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 926 transitions. Word has length 64 [2018-11-18 16:36:51,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:51,192 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 926 transitions. [2018-11-18 16:36:51,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:36:51,192 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 926 transitions. [2018-11-18 16:36:51,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 16:36:51,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:51,193 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:51,193 INFO L423 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:51,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:51,194 INFO L82 PathProgramCache]: Analyzing trace with hash 139756362, now seen corresponding path program 1 times [2018-11-18 16:36:51,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:51,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:51,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:51,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:51,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:51,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:51,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:51,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:51,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:51,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:51,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:51,274 INFO L87 Difference]: Start difference. First operand 771 states and 926 transitions. Second operand 3 states. [2018-11-18 16:36:51,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:51,347 INFO L93 Difference]: Finished difference Result 1131 states and 1374 transitions. [2018-11-18 16:36:51,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:51,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-11-18 16:36:51,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:51,350 INFO L225 Difference]: With dead ends: 1131 [2018-11-18 16:36:51,350 INFO L226 Difference]: Without dead ends: 876 [2018-11-18 16:36:51,351 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:51,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2018-11-18 16:36:51,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 846. [2018-11-18 16:36:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-11-18 16:36:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1021 transitions. [2018-11-18 16:36:51,409 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1021 transitions. Word has length 73 [2018-11-18 16:36:51,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:51,409 INFO L480 AbstractCegarLoop]: Abstraction has 846 states and 1021 transitions. [2018-11-18 16:36:51,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1021 transitions. [2018-11-18 16:36:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 16:36:51,412 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:51,412 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:51,413 INFO L423 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:51,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:51,413 INFO L82 PathProgramCache]: Analyzing trace with hash -442637689, now seen corresponding path program 1 times [2018-11-18 16:36:51,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:51,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:51,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:51,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:51,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:51,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:51,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:36:51,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:36:51,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:36:51,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:51,609 INFO L87 Difference]: Start difference. First operand 846 states and 1021 transitions. Second operand 9 states. [2018-11-18 16:36:51,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:51,741 INFO L93 Difference]: Finished difference Result 863 states and 1037 transitions. [2018-11-18 16:36:51,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:36:51,741 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-11-18 16:36:51,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:51,743 INFO L225 Difference]: With dead ends: 863 [2018-11-18 16:36:51,743 INFO L226 Difference]: Without dead ends: 820 [2018-11-18 16:36:51,744 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:36:51,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2018-11-18 16:36:51,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 820. [2018-11-18 16:36:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2018-11-18 16:36:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 989 transitions. [2018-11-18 16:36:51,777 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 989 transitions. Word has length 68 [2018-11-18 16:36:51,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:51,778 INFO L480 AbstractCegarLoop]: Abstraction has 820 states and 989 transitions. [2018-11-18 16:36:51,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:36:51,778 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 989 transitions. [2018-11-18 16:36:51,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 16:36:51,779 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:51,779 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:51,779 INFO L423 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:51,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:51,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1323707449, now seen corresponding path program 1 times [2018-11-18 16:36:51,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:51,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:51,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:51,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:51,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:51,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:51,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:36:51,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:36:51,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:36:51,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:51,946 INFO L87 Difference]: Start difference. First operand 820 states and 989 transitions. Second operand 7 states. [2018-11-18 16:36:52,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:52,519 INFO L93 Difference]: Finished difference Result 1127 states and 1369 transitions. [2018-11-18 16:36:52,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 16:36:52,520 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-18 16:36:52,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:52,522 INFO L225 Difference]: With dead ends: 1127 [2018-11-18 16:36:52,522 INFO L226 Difference]: Without dead ends: 815 [2018-11-18 16:36:52,523 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:36:52,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-18 16:36:52,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 804. [2018-11-18 16:36:52,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-18 16:36:52,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 964 transitions. [2018-11-18 16:36:52,578 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 964 transitions. Word has length 82 [2018-11-18 16:36:52,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:52,579 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 964 transitions. [2018-11-18 16:36:52,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:36:52,579 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 964 transitions. [2018-11-18 16:36:52,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 16:36:52,580 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:52,580 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:52,580 INFO L423 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:52,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:52,580 INFO L82 PathProgramCache]: Analyzing trace with hash -368625105, now seen corresponding path program 1 times [2018-11-18 16:36:52,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:52,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:52,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:52,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:52,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:52,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:52,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:52,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:52,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:52,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:52,678 INFO L87 Difference]: Start difference. First operand 804 states and 964 transitions. Second operand 5 states. [2018-11-18 16:36:52,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:52,722 INFO L93 Difference]: Finished difference Result 1000 states and 1193 transitions. [2018-11-18 16:36:52,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:52,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-11-18 16:36:52,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:52,725 INFO L225 Difference]: With dead ends: 1000 [2018-11-18 16:36:52,725 INFO L226 Difference]: Without dead ends: 824 [2018-11-18 16:36:52,726 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:52,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-11-18 16:36:52,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 816. [2018-11-18 16:36:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-11-18 16:36:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 978 transitions. [2018-11-18 16:36:52,782 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 978 transitions. Word has length 76 [2018-11-18 16:36:52,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:52,783 INFO L480 AbstractCegarLoop]: Abstraction has 816 states and 978 transitions. [2018-11-18 16:36:52,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 978 transitions. [2018-11-18 16:36:52,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 16:36:52,784 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:52,784 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:52,784 INFO L423 AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:52,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:52,784 INFO L82 PathProgramCache]: Analyzing trace with hash 344290896, now seen corresponding path program 1 times [2018-11-18 16:36:52,784 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:52,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:52,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:52,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:52,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:53,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:53,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:36:53,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:36:53,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:36:53,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:53,294 INFO L87 Difference]: Start difference. First operand 816 states and 978 transitions. Second operand 9 states. [2018-11-18 16:36:53,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:53,372 INFO L93 Difference]: Finished difference Result 990 states and 1177 transitions. [2018-11-18 16:36:53,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:36:53,372 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-11-18 16:36:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:53,374 INFO L225 Difference]: With dead ends: 990 [2018-11-18 16:36:53,374 INFO L226 Difference]: Without dead ends: 770 [2018-11-18 16:36:53,375 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:36:53,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2018-11-18 16:36:53,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 766. [2018-11-18 16:36:53,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2018-11-18 16:36:53,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 912 transitions. [2018-11-18 16:36:53,436 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 912 transitions. Word has length 76 [2018-11-18 16:36:53,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:53,436 INFO L480 AbstractCegarLoop]: Abstraction has 766 states and 912 transitions. [2018-11-18 16:36:53,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:36:53,436 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 912 transitions. [2018-11-18 16:36:53,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 16:36:53,437 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:53,437 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:53,437 INFO L423 AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:53,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:53,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1825310314, now seen corresponding path program 1 times [2018-11-18 16:36:53,438 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:53,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:53,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:53,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:53,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:53,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:53,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:36:53,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:36:53,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:36:53,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:53,498 INFO L87 Difference]: Start difference. First operand 766 states and 912 transitions. Second operand 6 states. [2018-11-18 16:36:53,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:53,565 INFO L93 Difference]: Finished difference Result 1109 states and 1353 transitions. [2018-11-18 16:36:53,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:36:53,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-18 16:36:53,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:53,567 INFO L225 Difference]: With dead ends: 1109 [2018-11-18 16:36:53,567 INFO L226 Difference]: Without dead ends: 852 [2018-11-18 16:36:53,568 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:53,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2018-11-18 16:36:53,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 732. [2018-11-18 16:36:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2018-11-18 16:36:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 868 transitions. [2018-11-18 16:36:53,599 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 868 transitions. Word has length 83 [2018-11-18 16:36:53,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:53,599 INFO L480 AbstractCegarLoop]: Abstraction has 732 states and 868 transitions. [2018-11-18 16:36:53,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:36:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 868 transitions. [2018-11-18 16:36:53,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 16:36:53,600 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:53,601 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:53,601 INFO L423 AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:53,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:53,601 INFO L82 PathProgramCache]: Analyzing trace with hash 300978297, now seen corresponding path program 1 times [2018-11-18 16:36:53,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:53,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:53,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:53,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:53,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:53,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:53,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:53,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:53,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:36:53,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:36:53,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:53,634 INFO L87 Difference]: Start difference. First operand 732 states and 868 transitions. Second operand 5 states. [2018-11-18 16:36:53,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:53,890 INFO L93 Difference]: Finished difference Result 1194 states and 1394 transitions. [2018-11-18 16:36:53,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:36:53,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-18 16:36:53,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:53,893 INFO L225 Difference]: With dead ends: 1194 [2018-11-18 16:36:53,893 INFO L226 Difference]: Without dead ends: 741 [2018-11-18 16:36:53,894 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:36:53,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-18 16:36:53,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 718. [2018-11-18 16:36:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2018-11-18 16:36:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 835 transitions. [2018-11-18 16:36:53,927 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 835 transitions. Word has length 78 [2018-11-18 16:36:53,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:53,928 INFO L480 AbstractCegarLoop]: Abstraction has 718 states and 835 transitions. [2018-11-18 16:36:53,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:36:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 835 transitions. [2018-11-18 16:36:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 16:36:53,929 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:53,929 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:53,929 INFO L423 AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:53,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:53,929 INFO L82 PathProgramCache]: Analyzing trace with hash -117597236, now seen corresponding path program 1 times [2018-11-18 16:36:53,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:53,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:53,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:53,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:53,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:54,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:54,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:36:54,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:36:54,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:36:54,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:54,019 INFO L87 Difference]: Start difference. First operand 718 states and 835 transitions. Second operand 9 states. [2018-11-18 16:36:54,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:54,118 INFO L93 Difference]: Finished difference Result 720 states and 836 transitions. [2018-11-18 16:36:54,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:36:54,119 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2018-11-18 16:36:54,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:54,120 INFO L225 Difference]: With dead ends: 720 [2018-11-18 16:36:54,120 INFO L226 Difference]: Without dead ends: 602 [2018-11-18 16:36:54,120 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:36:54,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2018-11-18 16:36:54,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2018-11-18 16:36:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-11-18 16:36:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 702 transitions. [2018-11-18 16:36:54,149 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 702 transitions. Word has length 81 [2018-11-18 16:36:54,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:54,149 INFO L480 AbstractCegarLoop]: Abstraction has 602 states and 702 transitions. [2018-11-18 16:36:54,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:36:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 702 transitions. [2018-11-18 16:36:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 16:36:54,150 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:54,150 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:54,150 INFO L423 AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:54,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:54,151 INFO L82 PathProgramCache]: Analyzing trace with hash 290782018, now seen corresponding path program 1 times [2018-11-18 16:36:54,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:54,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:54,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:54,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:54,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:54,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:54,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:36:54,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:36:54,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:36:54,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:36:54,212 INFO L87 Difference]: Start difference. First operand 602 states and 702 transitions. Second operand 9 states. [2018-11-18 16:36:54,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:54,295 INFO L93 Difference]: Finished difference Result 635 states and 735 transitions. [2018-11-18 16:36:54,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:36:54,296 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-18 16:36:54,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:54,297 INFO L225 Difference]: With dead ends: 635 [2018-11-18 16:36:54,297 INFO L226 Difference]: Without dead ends: 614 [2018-11-18 16:36:54,297 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:36:54,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2018-11-18 16:36:54,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 602. [2018-11-18 16:36:54,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-11-18 16:36:54,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 701 transitions. [2018-11-18 16:36:54,344 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 701 transitions. Word has length 88 [2018-11-18 16:36:54,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:54,344 INFO L480 AbstractCegarLoop]: Abstraction has 602 states and 701 transitions. [2018-11-18 16:36:54,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:36:54,344 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 701 transitions. [2018-11-18 16:36:54,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 16:36:54,345 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:54,345 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:54,345 INFO L423 AbstractCegarLoop]: === Iteration 55 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:54,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:54,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1276127581, now seen corresponding path program 1 times [2018-11-18 16:36:54,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:54,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:54,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:54,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:54,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:54,418 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 16:36:54,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:36:54 BoogieIcfgContainer [2018-11-18 16:36:54,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:36:54,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:36:54,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:36:54,553 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:36:54,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:36:24" (3/4) ... [2018-11-18 16:36:54,557 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 16:36:54,683 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6bf655d-910c-466f-a39c-9e80d553951b/bin-2019/uautomizer/witness.graphml [2018-11-18 16:36:54,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:36:54,684 INFO L168 Benchmark]: Toolchain (without parser) took 32279.20 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 492.8 MB). Free memory was 957.1 MB in the beginning and 937.1 MB in the end (delta: 20.0 MB). Peak memory consumption was 512.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:54,684 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:36:54,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.24 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 922.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:54,685 INFO L168 Benchmark]: Boogie Preprocessor took 133.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:54,688 INFO L168 Benchmark]: RCFGBuilder took 1532.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:54,688 INFO L168 Benchmark]: TraceAbstraction took 30039.75 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 312.0 MB). Free memory was 1.1 GB in the beginning and 962.0 MB in the end (delta: 92.9 MB). Peak memory consumption was 404.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:54,688 INFO L168 Benchmark]: Witness Printer took 131.01 ms. Allocated memory is still 1.5 GB. Free memory was 962.0 MB in the beginning and 937.1 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:54,692 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 439.24 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 922.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 133.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1532.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30039.75 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 312.0 MB). Free memory was 1.1 GB in the beginning and 962.0 MB in the end (delta: 92.9 MB). Peak memory consumption was 404.8 MB. Max. memory is 11.5 GB. * Witness Printer took 131.01 ms. Allocated memory is still 1.5 GB. Free memory was 962.0 MB in the beginning and 937.1 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1626]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L41] int FloppyThread ; [L42] int KernelMode ; [L43] int Suspended ; [L44] int Executive ; [L45] int DiskController ; [L46] int FloppyDiskPeripheral ; [L47] int FlConfigCallBack ; [L48] int MaximumInterfaceType ; [L49] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L50] int myStatus ; [L51] int s ; [L52] int UNLOADED ; [L53] int NP ; [L54] int DC ; [L55] int SKIP1 ; [L56] int SKIP2 ; [L57] int MPR1 ; [L58] int MPR3 ; [L59] int IPC ; [L60] int pended ; [L61] int compRegistered ; [L62] int lowerDriverReturn ; [L63] int setEventCalled ; [L64] int customIrp ; [L87] int PagingReferenceCount = 0; [L88] int PagingMutex = 0; VAL [\old(compRegistered)=277, \old(customIrp)=280, \old(DC)=274, \old(DiskController)=276, \old(Executive)=278, \old(FlConfigCallBack)=265, \old(FloppyDiskPeripheral)=275, \old(FloppyThread)=261, \old(IPC)=262, \old(KernelMode)=272, \old(lowerDriverReturn)=285, \old(MaximumInterfaceType)=284, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=260, \old(MPR1)=268, \old(MPR3)=281, \old(myStatus)=283, \old(NP)=279, \old(PagingMutex)=266, \old(PagingReferenceCount)=270, \old(pended)=271, \old(s)=263, \old(setEventCalled)=282, \old(SKIP1)=267, \old(SKIP2)=264, \old(Suspended)=269, \old(UNLOADED)=273, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L667] int status ; [L668] int irp = __VERIFIER_nondet_int() ; [L669] int pirp ; [L670] int pirp__IoStatus__Status ; [L671] int irp_choice = __VERIFIER_nondet_int() ; [L672] int devobj = __VERIFIER_nondet_int() ; [L673] int __cil_tmp8 ; [L675] FloppyThread = 0 [L676] KernelMode = 0 [L677] Suspended = 0 [L678] Executive = 0 [L679] DiskController = 0 [L680] FloppyDiskPeripheral = 0 [L681] FlConfigCallBack = 0 [L682] MaximumInterfaceType = 0 [L683] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L684] myStatus = 0 [L685] s = 0 [L686] UNLOADED = 0 [L687] NP = 0 [L688] DC = 0 [L689] SKIP1 = 0 [L690] SKIP2 = 0 [L691] MPR1 = 0 [L692] MPR3 = 0 [L693] IPC = 0 [L694] pended = 0 [L695] compRegistered = 0 [L696] lowerDriverReturn = 0 [L697] setEventCalled = 0 [L698] customIrp = 0 [L702] status = 0 [L703] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L704] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L70] UNLOADED = 0 [L71] NP = 1 [L72] DC = 2 [L73] SKIP1 = 3 [L74] SKIP2 = 4 [L75] MPR1 = 5 [L76] MPR3 = 6 [L77] IPC = 7 [L78] s = UNLOADED [L79] pended = 0 [L80] compRegistered = 0 [L81] lowerDriverReturn = 0 [L82] setEventCalled = 0 [L83] RET customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L704] _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L706] COND TRUE status >= 0 [L707] s = NP [L708] customIrp = 0 [L709] setEventCalled = customIrp [L710] lowerDriverReturn = setEventCalled [L711] compRegistered = lowerDriverReturn [L712] pended = compRegistered [L713] pirp__IoStatus__Status = 0 [L714] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L715] COND TRUE irp_choice == 0 [L716] pirp__IoStatus__Status = -1073741637 [L717] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L720] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L657] s = NP [L658] pended = 0 [L659] compRegistered = 0 [L660] lowerDriverReturn = 0 [L661] setEventCalled = 0 [L662] RET customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L720] stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L723] COND FALSE !(status < 0) [L727] int tmp_ndt_1; [L728] tmp_ndt_1 = __VERIFIER_nondet_int() [L729] COND FALSE !(tmp_ndt_1 == 0) [L732] int tmp_ndt_2; [L733] tmp_ndt_2 = __VERIFIER_nondet_int() [L734] COND FALSE !(tmp_ndt_2 == 1) [L737] int tmp_ndt_3; [L738] tmp_ndt_3 = __VERIFIER_nondet_int() [L739] COND FALSE !(tmp_ndt_3 == 2) [L742] int tmp_ndt_4; [L743] tmp_ndt_4 = __VERIFIER_nondet_int() [L744] COND TRUE tmp_ndt_4 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L160] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L161] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L162] int Irp__IoStatus__Information ; [L163] int Irp__IoStatus__Status ; [L164] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L165] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L166] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L167] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L168] int disketteExtension__HoldNewRequests ; [L169] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L170] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L171] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L172] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L173] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L174] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L175] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L176] int irpSp ; [L177] int disketteExtension ; [L178] int ntStatus ; [L179] int doneEvent = __VERIFIER_nondet_int() ; [L180] int irpSp___0 ; [L181] int nextIrpSp ; [L182] int nextIrpSp__Control ; [L183] int irpSp___1 ; [L184] int irpSp__Context ; [L185] int irpSp__Control ; [L186] long __cil_tmp29 ; [L187] long __cil_tmp30 ; [L190] ntStatus = 0 [L191] PagingReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L192] COND TRUE PagingReferenceCount == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L195] disketteExtension = DeviceObject__DeviceExtension [L196] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L197] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L206] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L209] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L235] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L238] COND FALSE !(! disketteExtension__IsStarted) [L254] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L97] int status ; [L98] int threadHandle = __VERIFIER_nondet_int() ; [L99] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L100] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L101] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L102] int Irp__IoStatus__Status ; [L103] int Irp__IoStatus__Information ; [L104] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L105] int ObjAttributes = __VERIFIER_nondet_int() ; [L106] int __cil_tmp12 ; [L107] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-3, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L110] COND FALSE !(DisketteExtension__PoweringDown == 1) [L116] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L117] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L149] COND TRUE pended == 0 [L150] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L156] RET return (259); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L255] EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, FlQueueIrpToThread(Irp, disketteExtension)=259, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L258] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L261-L262] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1065] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1074] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1078] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1085] int tmp_ndt_12; [L1086] tmp_ndt_12 = __VERIFIER_nondet_int() [L1087] COND FALSE !(tmp_ndt_12 == 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_12=1, UNLOADED=0, WaitMode=0, WaitReason=0] [L1095] RET return (-1073741823); VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, \result=-1073741823, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_12=1, UNLOADED=0, WaitMode=0, WaitReason=0] [L261-L262] KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=-1073741823, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L264] COND FALSE !(disketteExtension__FloppyThread != 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L267] disketteExtension__FloppyThread = 0 [L268] Irp__IoStatus__Status = 0 [L269] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L270] COND TRUE s == NP [L271] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L278] Irp__CurrentLocation ++ [L279] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L967] int returnVal2 ; [L968] int compRetStatus1 ; [L969] int lcontext = __VERIFIER_nondet_int() ; [L970] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L973] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L986] int tmp_ndt_10; [L987] tmp_ndt_10 = __VERIFIER_nondet_int() [L988] COND TRUE tmp_ndt_10 == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L999] returnVal2 = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1012] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1016] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1025] COND TRUE s == SKIP1 [L1026] s = SKIP2 [L1027] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1035] RET return (returnVal2); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L280] EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L426] PagingReferenceCount -- VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L427] COND TRUE PagingReferenceCount == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L430] RET return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L766] EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] status = FloppyPnp(devobj, pirp) [L779] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L780] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L787] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L788] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L795] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L796] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L797] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L811] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L812] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L813] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1626] __VERIFIER_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 420 locations, 1 error locations. UNSAFE Result, 29.9s OverallTime, 55 OverallIterations, 1 TraceHistogramMax, 16.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25052 SDtfs, 10289 SDslu, 68830 SDs, 0 SdLazy, 7381 SolverSat, 1551 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 126 SyntacticMatches, 11 SemanticMatches, 265 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=978occurred in iteration=31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 54 MinimizatonAttempts, 1706 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 3096 NumberOfCodeBlocks, 3096 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2957 ConstructedInterpolants, 0 QuantifiedInterpolants, 307634 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 54 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...