./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/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_56d58efd-2068-418c-a150-8ab718ca4d89/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/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 0.1.23-1dbac8b [2018-10-26 20:01:10,428 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:01:10,430 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:01:10,443 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:01:10,444 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:01:10,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:01:10,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:01:10,448 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:01:10,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:01:10,451 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:01:10,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:01:10,455 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:01:10,456 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:01:10,457 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:01:10,458 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:01:10,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:01:10,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:01:10,462 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:01:10,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:01:10,476 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:01:10,477 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:01:10,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:01:10,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:01:10,480 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:01:10,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:01:10,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:01:10,482 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:01:10,483 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:01:10,483 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:01:10,484 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:01:10,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:01:10,485 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:01:10,485 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:01:10,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:01:10,490 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:01:10,493 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:01:10,494 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 20:01:10,515 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:01:10,515 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:01:10,516 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:01:10,516 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:01:10,517 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:01:10,517 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:01:10,517 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:01:10,517 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:01:10,517 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:01:10,518 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:01:10,518 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:01:10,518 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:01:10,518 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:01:10,518 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:01:10,518 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:01:10,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:01:10,521 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:01:10,521 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:01:10,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:01:10,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:01:10,521 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:01:10,521 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:01:10,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:01:10,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:01:10,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:01:10,522 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:01:10,522 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 20:01:10,522 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:01:10,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:01:10,523 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_56d58efd-2068-418c-a150-8ab718ca4d89/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 [2018-10-26 20:01:10,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:01:10,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:01:10,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:01:10,568 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:01:10,568 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:01:10,569 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/bin-2019/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-26 20:01:10,628 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/bin-2019/uautomizer/data/df3e8ae28/015ac29236464481ab10add5a244b9f6/FLAG564ccf501 [2018-10-26 20:01:11,067 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:01:11,068 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-26 20:01:11,083 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/bin-2019/uautomizer/data/df3e8ae28/015ac29236464481ab10add5a244b9f6/FLAG564ccf501 [2018-10-26 20:01:11,100 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/bin-2019/uautomizer/data/df3e8ae28/015ac29236464481ab10add5a244b9f6 [2018-10-26 20:01:11,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:01:11,107 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:01:11,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:01:11,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:01:11,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:01:11,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:01:11" (1/1) ... [2018-10-26 20:01:11,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13682a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11, skipping insertion in model container [2018-10-26 20:01:11,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:01:11" (1/1) ... [2018-10-26 20:01:11,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:01:11,183 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:01:11,522 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:01:11,526 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:01:11,657 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:01:11,692 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:01:11,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11 WrapperNode [2018-10-26 20:01:11,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:01:11,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:01:11,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:01:11,693 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:01:11,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11" (1/1) ... [2018-10-26 20:01:11,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11" (1/1) ... [2018-10-26 20:01:11,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11" (1/1) ... [2018-10-26 20:01:11,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11" (1/1) ... [2018-10-26 20:01:11,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11" (1/1) ... [2018-10-26 20:01:11,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11" (1/1) ... [2018-10-26 20:01:11,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11" (1/1) ... [2018-10-26 20:01:11,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:01:11,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:01:11,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:01:11,860 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:01:11,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/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 [2018-10-26 20:01:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:01:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:01:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-10-26 20:01:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-10-26 20:01:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-10-26 20:01:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-10-26 20:01:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-10-26 20:01:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-10-26 20:01:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-10-26 20:01:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2018-10-26 20:01:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-10-26 20:01:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:01:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-10-26 20:01:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-10-26 20:01:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-10-26 20:01:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-10-26 20:01:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-10-26 20:01:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-10-26 20:01:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-10-26 20:01:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-10-26 20:01:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-10-26 20:01:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-10-26 20:01:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-10-26 20:01:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-10-26 20:01:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-10-26 20:01:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-10-26 20:01:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-10-26 20:01:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-10-26 20:01:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-10-26 20:01:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-10-26 20:01:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 20:01:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-10-26 20:01:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-10-26 20:01:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-10-26 20:01:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-10-26 20:01:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-10-26 20:01:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-10-26 20:01:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-10-26 20:01:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-10-26 20:01:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-10-26 20:01:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-10-26 20:01:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-10-26 20:01:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-10-26 20:01:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-10-26 20:01:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-10-26 20:01:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-10-26 20:01:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-10-26 20:01:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-10-26 20:01:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-10-26 20:01:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-10-26 20:01:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-10-26 20:01:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-10-26 20:01:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-10-26 20:01:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-10-26 20:01:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-10-26 20:01:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-10-26 20:01:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-10-26 20:01:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-10-26 20:01:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-10-26 20:01:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2018-10-26 20:01:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-10-26 20:01:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:01:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-10-26 20:01:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:01:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:01:12,317 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:12,317 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:12,411 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:12,411 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:12,474 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:12,474 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:13,057 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:13,057 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:13,215 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:13,215 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:13,355 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:13,355 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:13,365 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:13,365 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:13,373 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:13,373 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:13,511 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:13,511 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:13,573 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:13,573 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:14,278 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:14,278 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:14,285 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:14,285 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:14,312 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:01:14,312 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:01:14,353 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:01:14,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:01:14 BoogieIcfgContainer [2018-10-26 20:01:14,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:01:14,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:01:14,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:01:14,358 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:01:14,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:01:11" (1/3) ... [2018-10-26 20:01:14,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77043010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:01:14, skipping insertion in model container [2018-10-26 20:01:14,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:01:11" (2/3) ... [2018-10-26 20:01:14,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77043010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:01:14, skipping insertion in model container [2018-10-26 20:01:14,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:01:14" (3/3) ... [2018-10-26 20:01:14,362 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-26 20:01:14,373 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:01:14,381 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:01:14,398 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:01:14,432 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:01:14,433 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:01:14,433 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:01:14,433 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:01:14,433 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:01:14,433 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:01:14,434 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:01:14,434 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:01:14,434 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:01:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states. [2018-10-26 20:01:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:01:14,474 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:14,475 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] [2018-10-26 20:01:14,478 INFO L424 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:14,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:14,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1729519402, now seen corresponding path program 1 times [2018-10-26 20:01:14,487 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:14,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:14,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:14,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:14,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:14,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:14,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:14,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:14,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:14,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:14,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:14,783 INFO L87 Difference]: Start difference. First operand 391 states. Second operand 3 states. [2018-10-26 20:01:15,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:15,014 INFO L93 Difference]: Finished difference Result 628 states and 915 transitions. [2018-10-26 20:01:15,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:15,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-10-26 20:01:15,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:15,035 INFO L225 Difference]: With dead ends: 628 [2018-10-26 20:01:15,035 INFO L226 Difference]: Without dead ends: 383 [2018-10-26 20:01:15,042 INFO L605 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 [2018-10-26 20:01:15,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-10-26 20:01:15,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2018-10-26 20:01:15,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-26 20:01:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 527 transitions. [2018-10-26 20:01:15,117 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 527 transitions. Word has length 20 [2018-10-26 20:01:15,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:15,118 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 527 transitions. [2018-10-26 20:01:15,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 527 transitions. [2018-10-26 20:01:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:01:15,120 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:15,120 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] [2018-10-26 20:01:15,121 INFO L424 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:15,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:15,121 INFO L82 PathProgramCache]: Analyzing trace with hash 821979631, now seen corresponding path program 1 times [2018-10-26 20:01:15,121 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:15,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:15,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:15,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:15,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:15,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:15,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:15,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:15,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:15,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:15,280 INFO L87 Difference]: Start difference. First operand 383 states and 527 transitions. Second operand 3 states. [2018-10-26 20:01:15,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:15,875 INFO L93 Difference]: Finished difference Result 708 states and 962 transitions. [2018-10-26 20:01:15,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:15,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-10-26 20:01:15,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:15,881 INFO L225 Difference]: With dead ends: 708 [2018-10-26 20:01:15,881 INFO L226 Difference]: Without dead ends: 542 [2018-10-26 20:01:15,883 INFO L605 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 [2018-10-26 20:01:15,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-10-26 20:01:15,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 523. [2018-10-26 20:01:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-10-26 20:01:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 711 transitions. [2018-10-26 20:01:15,927 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 711 transitions. Word has length 25 [2018-10-26 20:01:15,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:15,927 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 711 transitions. [2018-10-26 20:01:15,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 711 transitions. [2018-10-26 20:01:15,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:01:15,929 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:15,929 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] [2018-10-26 20:01:15,929 INFO L424 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:15,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:15,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1967475866, now seen corresponding path program 1 times [2018-10-26 20:01:15,930 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:15,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:15,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:15,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:15,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:16,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:16,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:16,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:16,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:16,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:16,130 INFO L87 Difference]: Start difference. First operand 523 states and 711 transitions. Second operand 3 states. [2018-10-26 20:01:16,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:16,278 INFO L93 Difference]: Finished difference Result 648 states and 868 transitions. [2018-10-26 20:01:16,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:16,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-10-26 20:01:16,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:16,284 INFO L225 Difference]: With dead ends: 648 [2018-10-26 20:01:16,286 INFO L226 Difference]: Without dead ends: 627 [2018-10-26 20:01:16,287 INFO L605 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 [2018-10-26 20:01:16,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2018-10-26 20:01:16,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 587. [2018-10-26 20:01:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-10-26 20:01:16,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 794 transitions. [2018-10-26 20:01:16,350 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 794 transitions. Word has length 31 [2018-10-26 20:01:16,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:16,352 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 794 transitions. [2018-10-26 20:01:16,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 794 transitions. [2018-10-26 20:01:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 20:01:16,356 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:16,356 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] [2018-10-26 20:01:16,356 INFO L424 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:16,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:16,357 INFO L82 PathProgramCache]: Analyzing trace with hash -815055133, now seen corresponding path program 1 times [2018-10-26 20:01:16,357 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:16,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:16,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:16,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:16,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:16,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:16,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:16,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:16,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:16,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:16,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:16,496 INFO L87 Difference]: Start difference. First operand 587 states and 794 transitions. Second operand 3 states. [2018-10-26 20:01:16,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:16,568 INFO L93 Difference]: Finished difference Result 1102 states and 1485 transitions. [2018-10-26 20:01:16,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:16,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-10-26 20:01:16,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:16,576 INFO L225 Difference]: With dead ends: 1102 [2018-10-26 20:01:16,576 INFO L226 Difference]: Without dead ends: 800 [2018-10-26 20:01:16,578 INFO L605 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 [2018-10-26 20:01:16,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-10-26 20:01:16,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 771. [2018-10-26 20:01:16,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-10-26 20:01:16,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1046 transitions. [2018-10-26 20:01:16,664 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1046 transitions. Word has length 33 [2018-10-26 20:01:16,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:16,665 INFO L481 AbstractCegarLoop]: Abstraction has 771 states and 1046 transitions. [2018-10-26 20:01:16,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1046 transitions. [2018-10-26 20:01:16,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:01:16,668 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:16,669 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] [2018-10-26 20:01:16,669 INFO L424 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:16,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:16,669 INFO L82 PathProgramCache]: Analyzing trace with hash 484211458, now seen corresponding path program 1 times [2018-10-26 20:01:16,669 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:16,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:16,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:16,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:16,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:16,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:16,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:16,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:16,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:16,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:16,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:16,761 INFO L87 Difference]: Start difference. First operand 771 states and 1046 transitions. Second operand 3 states. [2018-10-26 20:01:17,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:17,365 INFO L93 Difference]: Finished difference Result 815 states and 1100 transitions. [2018-10-26 20:01:17,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:17,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-26 20:01:17,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:17,370 INFO L225 Difference]: With dead ends: 815 [2018-10-26 20:01:17,370 INFO L226 Difference]: Without dead ends: 810 [2018-10-26 20:01:17,372 INFO L605 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 [2018-10-26 20:01:17,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-10-26 20:01:17,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 806. [2018-10-26 20:01:17,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-10-26 20:01:17,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1090 transitions. [2018-10-26 20:01:17,419 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1090 transitions. Word has length 39 [2018-10-26 20:01:17,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:17,420 INFO L481 AbstractCegarLoop]: Abstraction has 806 states and 1090 transitions. [2018-10-26 20:01:17,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:17,420 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1090 transitions. [2018-10-26 20:01:17,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 20:01:17,422 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:17,422 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] [2018-10-26 20:01:17,422 INFO L424 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:17,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:17,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1405012121, now seen corresponding path program 1 times [2018-10-26 20:01:17,428 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:17,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:17,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:17,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:17,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:17,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:17,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:17,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:17,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:17,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:17,597 INFO L87 Difference]: Start difference. First operand 806 states and 1090 transitions. Second operand 3 states. [2018-10-26 20:01:18,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:18,247 INFO L93 Difference]: Finished difference Result 821 states and 1110 transitions. [2018-10-26 20:01:18,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:18,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-10-26 20:01:18,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:18,251 INFO L225 Difference]: With dead ends: 821 [2018-10-26 20:01:18,251 INFO L226 Difference]: Without dead ends: 818 [2018-10-26 20:01:18,252 INFO L605 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 [2018-10-26 20:01:18,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-10-26 20:01:18,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 817. [2018-10-26 20:01:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-10-26 20:01:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1104 transitions. [2018-10-26 20:01:18,290 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1104 transitions. Word has length 38 [2018-10-26 20:01:18,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:18,290 INFO L481 AbstractCegarLoop]: Abstraction has 817 states and 1104 transitions. [2018-10-26 20:01:18,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1104 transitions. [2018-10-26 20:01:18,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:01:18,292 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:18,292 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] [2018-10-26 20:01:18,292 INFO L424 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:18,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:18,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1589461021, now seen corresponding path program 1 times [2018-10-26 20:01:18,293 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:18,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:18,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:18,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:18,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:18,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:18,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:18,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:18,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:18,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:18,538 INFO L87 Difference]: Start difference. First operand 817 states and 1104 transitions. Second operand 5 states. [2018-10-26 20:01:18,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:18,918 INFO L93 Difference]: Finished difference Result 830 states and 1118 transitions. [2018-10-26 20:01:18,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:18,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-10-26 20:01:18,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:18,922 INFO L225 Difference]: With dead ends: 830 [2018-10-26 20:01:18,922 INFO L226 Difference]: Without dead ends: 815 [2018-10-26 20:01:18,923 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:01:18,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-10-26 20:01:18,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 815. [2018-10-26 20:01:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2018-10-26 20:01:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1100 transitions. [2018-10-26 20:01:18,957 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1100 transitions. Word has length 39 [2018-10-26 20:01:18,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:18,957 INFO L481 AbstractCegarLoop]: Abstraction has 815 states and 1100 transitions. [2018-10-26 20:01:18,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1100 transitions. [2018-10-26 20:01:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 20:01:18,959 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:18,959 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] [2018-10-26 20:01:18,959 INFO L424 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:18,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:18,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1716712732, now seen corresponding path program 1 times [2018-10-26 20:01:18,959 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:18,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:18,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:18,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:18,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:19,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:19,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:19,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:19,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:19,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:19,156 INFO L87 Difference]: Start difference. First operand 815 states and 1100 transitions. Second operand 5 states. [2018-10-26 20:01:19,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:19,528 INFO L93 Difference]: Finished difference Result 828 states and 1114 transitions. [2018-10-26 20:01:19,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:19,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-10-26 20:01:19,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:19,533 INFO L225 Difference]: With dead ends: 828 [2018-10-26 20:01:19,533 INFO L226 Difference]: Without dead ends: 808 [2018-10-26 20:01:19,534 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:01:19,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2018-10-26 20:01:19,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2018-10-26 20:01:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-10-26 20:01:19,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1091 transitions. [2018-10-26 20:01:19,582 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1091 transitions. Word has length 40 [2018-10-26 20:01:19,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:19,582 INFO L481 AbstractCegarLoop]: Abstraction has 808 states and 1091 transitions. [2018-10-26 20:01:19,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:19,583 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1091 transitions. [2018-10-26 20:01:19,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:01:19,584 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:19,584 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] [2018-10-26 20:01:19,584 INFO L424 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:19,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:19,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1192219836, now seen corresponding path program 1 times [2018-10-26 20:01:19,585 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:19,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:19,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:19,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:19,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:19,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:19,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:19,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:19,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:19,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:19,681 INFO L87 Difference]: Start difference. First operand 808 states and 1091 transitions. Second operand 3 states. [2018-10-26 20:01:20,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:20,701 INFO L93 Difference]: Finished difference Result 1192 states and 1623 transitions. [2018-10-26 20:01:20,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:20,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-10-26 20:01:20,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:20,708 INFO L225 Difference]: With dead ends: 1192 [2018-10-26 20:01:20,708 INFO L226 Difference]: Without dead ends: 1189 [2018-10-26 20:01:20,709 INFO L605 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 [2018-10-26 20:01:20,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2018-10-26 20:01:20,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 933. [2018-10-26 20:01:20,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2018-10-26 20:01:20,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1262 transitions. [2018-10-26 20:01:20,759 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1262 transitions. Word has length 44 [2018-10-26 20:01:20,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:20,760 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 1262 transitions. [2018-10-26 20:01:20,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1262 transitions. [2018-10-26 20:01:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 20:01:20,761 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:20,763 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] [2018-10-26 20:01:20,763 INFO L424 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:20,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:20,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1970793177, now seen corresponding path program 1 times [2018-10-26 20:01:20,764 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:20,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:20,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:20,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:20,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:21,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:21,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:21,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:21,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:21,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:21,054 INFO L87 Difference]: Start difference. First operand 933 states and 1262 transitions. Second operand 5 states. [2018-10-26 20:01:22,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:22,436 INFO L93 Difference]: Finished difference Result 946 states and 1274 transitions. [2018-10-26 20:01:22,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:22,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-10-26 20:01:22,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:22,439 INFO L225 Difference]: With dead ends: 946 [2018-10-26 20:01:22,439 INFO L226 Difference]: Without dead ends: 937 [2018-10-26 20:01:22,440 INFO L605 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 [2018-10-26 20:01:22,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2018-10-26 20:01:22,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 933. [2018-10-26 20:01:22,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2018-10-26 20:01:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1260 transitions. [2018-10-26 20:01:22,486 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1260 transitions. Word has length 43 [2018-10-26 20:01:22,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:22,486 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 1260 transitions. [2018-10-26 20:01:22,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1260 transitions. [2018-10-26 20:01:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 20:01:22,489 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:22,489 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] [2018-10-26 20:01:22,489 INFO L424 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:22,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:22,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1319762688, now seen corresponding path program 1 times [2018-10-26 20:01:22,490 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:22,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:22,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:22,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:22,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:22,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:22,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 20:01:22,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 20:01:22,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 20:01:22,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:01:22,661 INFO L87 Difference]: Start difference. First operand 933 states and 1260 transitions. Second operand 4 states. [2018-10-26 20:01:22,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:22,949 INFO L93 Difference]: Finished difference Result 961 states and 1293 transitions. [2018-10-26 20:01:22,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 20:01:22,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-10-26 20:01:22,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:22,955 INFO L225 Difference]: With dead ends: 961 [2018-10-26 20:01:22,955 INFO L226 Difference]: Without dead ends: 939 [2018-10-26 20:01:22,957 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:22,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-10-26 20:01:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 935. [2018-10-26 20:01:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-10-26 20:01:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1262 transitions. [2018-10-26 20:01:23,004 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1262 transitions. Word has length 42 [2018-10-26 20:01:23,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:23,004 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1262 transitions. [2018-10-26 20:01:23,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 20:01:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1262 transitions. [2018-10-26 20:01:23,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:01:23,005 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:23,005 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] [2018-10-26 20:01:23,006 INFO L424 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:23,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:23,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1457830261, now seen corresponding path program 1 times [2018-10-26 20:01:23,006 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:23,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:23,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:23,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:23,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:23,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:23,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:23,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:23,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:23,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:23,195 INFO L87 Difference]: Start difference. First operand 935 states and 1262 transitions. Second operand 5 states. [2018-10-26 20:01:24,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:24,168 INFO L93 Difference]: Finished difference Result 1686 states and 2249 transitions. [2018-10-26 20:01:24,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:01:24,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-10-26 20:01:24,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:24,175 INFO L225 Difference]: With dead ends: 1686 [2018-10-26 20:01:24,176 INFO L226 Difference]: Without dead ends: 1120 [2018-10-26 20:01:24,177 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:01:24,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-10-26 20:01:24,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 926. [2018-10-26 20:01:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-10-26 20:01:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1241 transitions. [2018-10-26 20:01:24,230 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1241 transitions. Word has length 45 [2018-10-26 20:01:24,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:24,232 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1241 transitions. [2018-10-26 20:01:24,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:24,232 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1241 transitions. [2018-10-26 20:01:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:01:24,233 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:24,233 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] [2018-10-26 20:01:24,234 INFO L424 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:24,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:24,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1854298677, now seen corresponding path program 1 times [2018-10-26 20:01:24,234 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:24,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:24,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:24,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:24,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:24,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:24,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:24,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:24,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:24,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:24,522 INFO L87 Difference]: Start difference. First operand 926 states and 1241 transitions. Second operand 5 states. [2018-10-26 20:01:25,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:25,168 INFO L93 Difference]: Finished difference Result 939 states and 1253 transitions. [2018-10-26 20:01:25,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:25,171 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-10-26 20:01:25,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:25,176 INFO L225 Difference]: With dead ends: 939 [2018-10-26 20:01:25,176 INFO L226 Difference]: Without dead ends: 930 [2018-10-26 20:01:25,177 INFO L605 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 [2018-10-26 20:01:25,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2018-10-26 20:01:25,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 926. [2018-10-26 20:01:25,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-10-26 20:01:25,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1239 transitions. [2018-10-26 20:01:25,227 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1239 transitions. Word has length 44 [2018-10-26 20:01:25,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:25,228 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1239 transitions. [2018-10-26 20:01:25,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1239 transitions. [2018-10-26 20:01:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 20:01:25,229 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:25,229 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] [2018-10-26 20:01:25,230 INFO L424 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:25,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:25,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1571012239, now seen corresponding path program 1 times [2018-10-26 20:01:25,230 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:25,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:25,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:25,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:25,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:25,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:25,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 20:01:25,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 20:01:25,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 20:01:25,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:01:25,425 INFO L87 Difference]: Start difference. First operand 926 states and 1239 transitions. Second operand 4 states. [2018-10-26 20:01:25,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:25,652 INFO L93 Difference]: Finished difference Result 954 states and 1272 transitions. [2018-10-26 20:01:25,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 20:01:25,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-10-26 20:01:25,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:25,655 INFO L225 Difference]: With dead ends: 954 [2018-10-26 20:01:25,655 INFO L226 Difference]: Without dead ends: 932 [2018-10-26 20:01:25,656 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:25,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-10-26 20:01:25,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 926. [2018-10-26 20:01:25,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-10-26 20:01:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1239 transitions. [2018-10-26 20:01:25,704 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1239 transitions. Word has length 43 [2018-10-26 20:01:25,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:25,705 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1239 transitions. [2018-10-26 20:01:25,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 20:01:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1239 transitions. [2018-10-26 20:01:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:01:25,706 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:25,706 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] [2018-10-26 20:01:25,708 INFO L424 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:25,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:25,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1593769136, now seen corresponding path program 1 times [2018-10-26 20:01:25,709 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:25,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:25,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:25,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:25,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:25,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:25,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:25,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:25,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:25,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:25,978 INFO L87 Difference]: Start difference. First operand 926 states and 1239 transitions. Second operand 5 states. [2018-10-26 20:01:26,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:26,246 INFO L93 Difference]: Finished difference Result 942 states and 1254 transitions. [2018-10-26 20:01:26,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:26,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-10-26 20:01:26,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:26,251 INFO L225 Difference]: With dead ends: 942 [2018-10-26 20:01:26,251 INFO L226 Difference]: Without dead ends: 924 [2018-10-26 20:01:26,252 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:26,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2018-10-26 20:01:26,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2018-10-26 20:01:26,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-10-26 20:01:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1235 transitions. [2018-10-26 20:01:26,300 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1235 transitions. Word has length 45 [2018-10-26 20:01:26,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:26,301 INFO L481 AbstractCegarLoop]: Abstraction has 924 states and 1235 transitions. [2018-10-26 20:01:26,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1235 transitions. [2018-10-26 20:01:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 20:01:26,302 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:26,302 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] [2018-10-26 20:01:26,305 INFO L424 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:26,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:26,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1142229789, now seen corresponding path program 1 times [2018-10-26 20:01:26,305 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:26,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:26,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:26,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:26,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:26,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:26,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:26,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:26,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:26,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:26,389 INFO L87 Difference]: Start difference. First operand 924 states and 1235 transitions. Second operand 3 states. [2018-10-26 20:01:26,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:26,477 INFO L93 Difference]: Finished difference Result 954 states and 1271 transitions. [2018-10-26 20:01:26,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:26,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-10-26 20:01:26,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:26,483 INFO L225 Difference]: With dead ends: 954 [2018-10-26 20:01:26,484 INFO L226 Difference]: Without dead ends: 906 [2018-10-26 20:01:26,485 INFO L605 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 [2018-10-26 20:01:26,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-10-26 20:01:26,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 902. [2018-10-26 20:01:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-10-26 20:01:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1203 transitions. [2018-10-26 20:01:26,532 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1203 transitions. Word has length 46 [2018-10-26 20:01:26,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:26,532 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1203 transitions. [2018-10-26 20:01:26,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:26,532 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1203 transitions. [2018-10-26 20:01:26,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 20:01:26,533 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:26,534 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] [2018-10-26 20:01:26,534 INFO L424 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:26,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:26,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1651959336, now seen corresponding path program 1 times [2018-10-26 20:01:26,534 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:26,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:26,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:26,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:26,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:26,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:26,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:26,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:26,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:26,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:26,636 INFO L87 Difference]: Start difference. First operand 902 states and 1203 transitions. Second operand 5 states. [2018-10-26 20:01:26,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:26,673 INFO L93 Difference]: Finished difference Result 918 states and 1218 transitions. [2018-10-26 20:01:26,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:26,673 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-10-26 20:01:26,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:26,677 INFO L225 Difference]: With dead ends: 918 [2018-10-26 20:01:26,677 INFO L226 Difference]: Without dead ends: 900 [2018-10-26 20:01:26,678 INFO L605 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 [2018-10-26 20:01:26,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-10-26 20:01:26,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2018-10-26 20:01:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-10-26 20:01:26,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1199 transitions. [2018-10-26 20:01:26,727 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1199 transitions. Word has length 47 [2018-10-26 20:01:26,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:26,728 INFO L481 AbstractCegarLoop]: Abstraction has 900 states and 1199 transitions. [2018-10-26 20:01:26,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1199 transitions. [2018-10-26 20:01:26,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:01:26,729 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:26,729 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] [2018-10-26 20:01:26,729 INFO L424 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:26,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:26,730 INFO L82 PathProgramCache]: Analyzing trace with hash -341128887, now seen corresponding path program 1 times [2018-10-26 20:01:26,730 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:26,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:26,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:26,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:26,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:26,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:26,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 20:01:26,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 20:01:26,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 20:01:26,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:01:26,911 INFO L87 Difference]: Start difference. First operand 900 states and 1199 transitions. Second operand 4 states. [2018-10-26 20:01:27,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:27,169 INFO L93 Difference]: Finished difference Result 984 states and 1282 transitions. [2018-10-26 20:01:27,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 20:01:27,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-10-26 20:01:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:27,172 INFO L225 Difference]: With dead ends: 984 [2018-10-26 20:01:27,172 INFO L226 Difference]: Without dead ends: 647 [2018-10-26 20:01:27,173 INFO L605 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 [2018-10-26 20:01:27,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2018-10-26 20:01:27,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 610. [2018-10-26 20:01:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2018-10-26 20:01:27,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 788 transitions. [2018-10-26 20:01:27,209 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 788 transitions. Word has length 52 [2018-10-26 20:01:27,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:27,209 INFO L481 AbstractCegarLoop]: Abstraction has 610 states and 788 transitions. [2018-10-26 20:01:27,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 20:01:27,209 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 788 transitions. [2018-10-26 20:01:27,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:01:27,213 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:27,213 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] [2018-10-26 20:01:27,213 INFO L424 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:27,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:27,213 INFO L82 PathProgramCache]: Analyzing trace with hash 344016224, now seen corresponding path program 1 times [2018-10-26 20:01:27,213 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:27,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:27,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:27,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:27,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:27,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:27,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:27,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:27,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:27,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:27,301 INFO L87 Difference]: Start difference. First operand 610 states and 788 transitions. Second operand 3 states. [2018-10-26 20:01:27,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:27,481 INFO L93 Difference]: Finished difference Result 819 states and 1066 transitions. [2018-10-26 20:01:27,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:27,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-10-26 20:01:27,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:27,484 INFO L225 Difference]: With dead ends: 819 [2018-10-26 20:01:27,484 INFO L226 Difference]: Without dead ends: 807 [2018-10-26 20:01:27,484 INFO L605 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 [2018-10-26 20:01:27,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2018-10-26 20:01:27,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 673. [2018-10-26 20:01:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-10-26 20:01:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 866 transitions. [2018-10-26 20:01:27,525 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 866 transitions. Word has length 50 [2018-10-26 20:01:27,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:27,525 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 866 transitions. [2018-10-26 20:01:27,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 866 transitions. [2018-10-26 20:01:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:01:27,531 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:27,531 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] [2018-10-26 20:01:27,532 INFO L424 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:27,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:27,532 INFO L82 PathProgramCache]: Analyzing trace with hash -37148420, now seen corresponding path program 1 times [2018-10-26 20:01:27,532 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:27,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:27,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:27,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:27,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:27,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:27,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:01:27,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:01:27,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:01:27,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:01:27,739 INFO L87 Difference]: Start difference. First operand 673 states and 866 transitions. Second operand 6 states. [2018-10-26 20:01:27,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:27,882 INFO L93 Difference]: Finished difference Result 693 states and 886 transitions. [2018-10-26 20:01:27,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:01:27,882 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-10-26 20:01:27,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:27,885 INFO L225 Difference]: With dead ends: 693 [2018-10-26 20:01:27,885 INFO L226 Difference]: Without dead ends: 673 [2018-10-26 20:01:27,885 INFO L605 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 [2018-10-26 20:01:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2018-10-26 20:01:27,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2018-10-26 20:01:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-10-26 20:01:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 854 transitions. [2018-10-26 20:01:27,925 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 854 transitions. Word has length 50 [2018-10-26 20:01:27,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:27,925 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 854 transitions. [2018-10-26 20:01:27,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:01:27,925 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 854 transitions. [2018-10-26 20:01:27,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:01:27,929 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:27,929 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] [2018-10-26 20:01:27,929 INFO L424 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:27,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:27,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1767520860, now seen corresponding path program 1 times [2018-10-26 20:01:27,930 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:27,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:27,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:27,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:27,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:28,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:28,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:01:28,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:01:28,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:01:28,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:01:28,012 INFO L87 Difference]: Start difference. First operand 673 states and 854 transitions. Second operand 8 states. [2018-10-26 20:01:28,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:28,280 INFO L93 Difference]: Finished difference Result 703 states and 888 transitions. [2018-10-26 20:01:28,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:01:28,281 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-10-26 20:01:28,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:28,284 INFO L225 Difference]: With dead ends: 703 [2018-10-26 20:01:28,284 INFO L226 Difference]: Without dead ends: 699 [2018-10-26 20:01:28,284 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:28,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-10-26 20:01:28,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 691. [2018-10-26 20:01:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2018-10-26 20:01:28,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 875 transitions. [2018-10-26 20:01:28,323 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 875 transitions. Word has length 51 [2018-10-26 20:01:28,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:28,324 INFO L481 AbstractCegarLoop]: Abstraction has 691 states and 875 transitions. [2018-10-26 20:01:28,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:01:28,324 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 875 transitions. [2018-10-26 20:01:28,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:01:28,325 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:28,325 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] [2018-10-26 20:01:28,325 INFO L424 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:28,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:28,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1767797690, now seen corresponding path program 1 times [2018-10-26 20:01:28,326 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:28,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:28,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:28,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:28,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:28,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:28,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:01:28,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:01:28,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:01:28,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:01:28,537 INFO L87 Difference]: Start difference. First operand 691 states and 875 transitions. Second operand 8 states. [2018-10-26 20:01:28,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:28,621 INFO L93 Difference]: Finished difference Result 1093 states and 1408 transitions. [2018-10-26 20:01:28,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:01:28,623 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-10-26 20:01:28,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:28,626 INFO L225 Difference]: With dead ends: 1093 [2018-10-26 20:01:28,626 INFO L226 Difference]: Without dead ends: 734 [2018-10-26 20:01:28,629 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:01:28,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2018-10-26 20:01:28,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 717. [2018-10-26 20:01:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-10-26 20:01:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 919 transitions. [2018-10-26 20:01:28,677 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 919 transitions. Word has length 51 [2018-10-26 20:01:28,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:28,678 INFO L481 AbstractCegarLoop]: Abstraction has 717 states and 919 transitions. [2018-10-26 20:01:28,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:01:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 919 transitions. [2018-10-26 20:01:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:01:28,682 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:28,683 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] [2018-10-26 20:01:28,683 INFO L424 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:28,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:28,683 INFO L82 PathProgramCache]: Analyzing trace with hash 848725340, now seen corresponding path program 1 times [2018-10-26 20:01:28,683 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:28,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:28,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:28,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:28,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:28,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:28,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:01:28,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:01:28,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:01:28,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:01:28,923 INFO L87 Difference]: Start difference. First operand 717 states and 919 transitions. Second operand 6 states. [2018-10-26 20:01:29,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:29,014 INFO L93 Difference]: Finished difference Result 748 states and 956 transitions. [2018-10-26 20:01:29,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:01:29,019 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-10-26 20:01:29,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:29,022 INFO L225 Difference]: With dead ends: 748 [2018-10-26 20:01:29,022 INFO L226 Difference]: Without dead ends: 726 [2018-10-26 20:01:29,024 INFO L605 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 [2018-10-26 20:01:29,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2018-10-26 20:01:29,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 720. [2018-10-26 20:01:29,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-10-26 20:01:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 923 transitions. [2018-10-26 20:01:29,067 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 923 transitions. Word has length 51 [2018-10-26 20:01:29,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:29,068 INFO L481 AbstractCegarLoop]: Abstraction has 720 states and 923 transitions. [2018-10-26 20:01:29,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:01:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 923 transitions. [2018-10-26 20:01:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:01:29,069 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:29,069 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] [2018-10-26 20:01:29,070 INFO L424 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:29,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:29,070 INFO L82 PathProgramCache]: Analyzing trace with hash -158732917, now seen corresponding path program 1 times [2018-10-26 20:01:29,070 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:29,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:29,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:29,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:29,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:29,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:29,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:01:29,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:01:29,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:01:29,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:01:29,213 INFO L87 Difference]: Start difference. First operand 720 states and 923 transitions. Second operand 7 states. [2018-10-26 20:01:29,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:29,328 INFO L93 Difference]: Finished difference Result 751 states and 953 transitions. [2018-10-26 20:01:29,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:01:29,329 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-10-26 20:01:29,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:29,331 INFO L225 Difference]: With dead ends: 751 [2018-10-26 20:01:29,331 INFO L226 Difference]: Without dead ends: 720 [2018-10-26 20:01:29,331 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:01:29,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-10-26 20:01:29,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 707. [2018-10-26 20:01:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2018-10-26 20:01:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 902 transitions. [2018-10-26 20:01:29,370 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 902 transitions. Word has length 51 [2018-10-26 20:01:29,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:29,370 INFO L481 AbstractCegarLoop]: Abstraction has 707 states and 902 transitions. [2018-10-26 20:01:29,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:01:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 902 transitions. [2018-10-26 20:01:29,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:01:29,374 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:29,374 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] [2018-10-26 20:01:29,374 INFO L424 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:29,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:29,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1896315781, now seen corresponding path program 1 times [2018-10-26 20:01:29,374 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:29,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:29,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:29,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:29,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:29,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:29,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:29,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:29,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:29,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:29,441 INFO L87 Difference]: Start difference. First operand 707 states and 902 transitions. Second operand 3 states. [2018-10-26 20:01:29,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:29,535 INFO L93 Difference]: Finished difference Result 948 states and 1224 transitions. [2018-10-26 20:01:29,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:29,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-10-26 20:01:29,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:29,538 INFO L225 Difference]: With dead ends: 948 [2018-10-26 20:01:29,538 INFO L226 Difference]: Without dead ends: 918 [2018-10-26 20:01:29,539 INFO L605 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 [2018-10-26 20:01:29,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2018-10-26 20:01:29,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 779. [2018-10-26 20:01:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2018-10-26 20:01:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 993 transitions. [2018-10-26 20:01:29,578 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 993 transitions. Word has length 52 [2018-10-26 20:01:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:29,578 INFO L481 AbstractCegarLoop]: Abstraction has 779 states and 993 transitions. [2018-10-26 20:01:29,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 993 transitions. [2018-10-26 20:01:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:01:29,583 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:29,583 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] [2018-10-26 20:01:29,583 INFO L424 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:29,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:29,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1753036423, now seen corresponding path program 1 times [2018-10-26 20:01:29,583 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:29,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:29,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:29,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:29,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:29,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:29,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:01:29,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:01:29,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:01:29,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:01:29,884 INFO L87 Difference]: Start difference. First operand 779 states and 993 transitions. Second operand 7 states. [2018-10-26 20:01:30,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:30,558 INFO L93 Difference]: Finished difference Result 861 states and 1096 transitions. [2018-10-26 20:01:30,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 20:01:30,559 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-10-26 20:01:30,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:30,561 INFO L225 Difference]: With dead ends: 861 [2018-10-26 20:01:30,561 INFO L226 Difference]: Without dead ends: 756 [2018-10-26 20:01:30,562 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-10-26 20:01:30,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-10-26 20:01:30,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 730. [2018-10-26 20:01:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2018-10-26 20:01:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 927 transitions. [2018-10-26 20:01:30,608 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 927 transitions. Word has length 52 [2018-10-26 20:01:30,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:30,608 INFO L481 AbstractCegarLoop]: Abstraction has 730 states and 927 transitions. [2018-10-26 20:01:30,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:01:30,608 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 927 transitions. [2018-10-26 20:01:30,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:01:30,610 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:30,610 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] [2018-10-26 20:01:30,610 INFO L424 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:30,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:30,611 INFO L82 PathProgramCache]: Analyzing trace with hash 967374765, now seen corresponding path program 1 times [2018-10-26 20:01:30,611 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:30,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:30,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:30,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:30,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:30,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:30,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:01:30,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:01:30,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:01:30,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:30,822 INFO L87 Difference]: Start difference. First operand 730 states and 927 transitions. Second operand 9 states. [2018-10-26 20:01:34,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:34,128 INFO L93 Difference]: Finished difference Result 978 states and 1227 transitions. [2018-10-26 20:01:34,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-26 20:01:34,129 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-10-26 20:01:34,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:34,132 INFO L225 Difference]: With dead ends: 978 [2018-10-26 20:01:34,132 INFO L226 Difference]: Without dead ends: 890 [2018-10-26 20:01:34,133 INFO L605 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 [2018-10-26 20:01:34,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2018-10-26 20:01:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 743. [2018-10-26 20:01:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2018-10-26 20:01:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 932 transitions. [2018-10-26 20:01:34,177 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 932 transitions. Word has length 52 [2018-10-26 20:01:34,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:34,177 INFO L481 AbstractCegarLoop]: Abstraction has 743 states and 932 transitions. [2018-10-26 20:01:34,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:01:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 932 transitions. [2018-10-26 20:01:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 20:01:34,181 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:34,182 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] [2018-10-26 20:01:34,182 INFO L424 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:34,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:34,182 INFO L82 PathProgramCache]: Analyzing trace with hash -456753527, now seen corresponding path program 1 times [2018-10-26 20:01:34,182 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:34,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:34,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:34,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:34,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:34,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:34,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:34,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:34,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:34,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:34,266 INFO L87 Difference]: Start difference. First operand 743 states and 932 transitions. Second operand 3 states. [2018-10-26 20:01:34,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:34,470 INFO L93 Difference]: Finished difference Result 1053 states and 1333 transitions. [2018-10-26 20:01:34,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:34,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-10-26 20:01:34,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:34,474 INFO L225 Difference]: With dead ends: 1053 [2018-10-26 20:01:34,474 INFO L226 Difference]: Without dead ends: 742 [2018-10-26 20:01:34,475 INFO L605 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 [2018-10-26 20:01:34,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-10-26 20:01:34,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-10-26 20:01:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-10-26 20:01:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 928 transitions. [2018-10-26 20:01:34,515 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 928 transitions. Word has length 61 [2018-10-26 20:01:34,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:34,515 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 928 transitions. [2018-10-26 20:01:34,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:34,515 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 928 transitions. [2018-10-26 20:01:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 20:01:34,516 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:34,517 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] [2018-10-26 20:01:34,517 INFO L424 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:34,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:34,517 INFO L82 PathProgramCache]: Analyzing trace with hash -910407576, now seen corresponding path program 1 times [2018-10-26 20:01:34,517 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:34,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:34,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:34,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:34,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:34,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:34,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:34,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:34,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:34,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:34,789 INFO L87 Difference]: Start difference. First operand 742 states and 928 transitions. Second operand 5 states. [2018-10-26 20:01:37,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:37,819 INFO L93 Difference]: Finished difference Result 830 states and 1038 transitions. [2018-10-26 20:01:37,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:37,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-10-26 20:01:37,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:37,823 INFO L225 Difference]: With dead ends: 830 [2018-10-26 20:01:37,823 INFO L226 Difference]: Without dead ends: 812 [2018-10-26 20:01:37,823 INFO L605 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 [2018-10-26 20:01:37,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-10-26 20:01:37,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 744. [2018-10-26 20:01:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-10-26 20:01:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 928 transitions. [2018-10-26 20:01:37,878 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 928 transitions. Word has length 54 [2018-10-26 20:01:37,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:37,880 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 928 transitions. [2018-10-26 20:01:37,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 928 transitions. [2018-10-26 20:01:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 20:01:37,882 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:37,882 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] [2018-10-26 20:01:37,883 INFO L424 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:37,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:37,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1270544573, now seen corresponding path program 1 times [2018-10-26 20:01:37,883 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:37,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:37,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:37,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:37,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:38,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:38,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:01:38,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:01:38,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:01:38,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:01:38,321 INFO L87 Difference]: Start difference. First operand 744 states and 928 transitions. Second operand 8 states. [2018-10-26 20:01:38,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:38,441 INFO L93 Difference]: Finished difference Result 757 states and 940 transitions. [2018-10-26 20:01:38,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:01:38,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-10-26 20:01:38,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:38,444 INFO L225 Difference]: With dead ends: 757 [2018-10-26 20:01:38,444 INFO L226 Difference]: Without dead ends: 729 [2018-10-26 20:01:38,444 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:38,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2018-10-26 20:01:38,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2018-10-26 20:01:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-10-26 20:01:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 909 transitions. [2018-10-26 20:01:38,475 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 909 transitions. Word has length 55 [2018-10-26 20:01:38,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:38,475 INFO L481 AbstractCegarLoop]: Abstraction has 729 states and 909 transitions. [2018-10-26 20:01:38,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:01:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 909 transitions. [2018-10-26 20:01:38,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 20:01:38,476 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:38,476 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] [2018-10-26 20:01:38,476 INFO L424 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:38,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:38,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1374204039, now seen corresponding path program 1 times [2018-10-26 20:01:38,477 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:38,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:38,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:38,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:38,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:38,944 WARN L179 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 6 [2018-10-26 20:01:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:38,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:38,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 20:01:38,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 20:01:38,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 20:01:38,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:01:38,950 INFO L87 Difference]: Start difference. First operand 729 states and 909 transitions. Second operand 4 states. [2018-10-26 20:01:39,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:39,909 INFO L93 Difference]: Finished difference Result 1787 states and 2188 transitions. [2018-10-26 20:01:39,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 20:01:39,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-10-26 20:01:39,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:39,912 INFO L225 Difference]: With dead ends: 1787 [2018-10-26 20:01:39,912 INFO L226 Difference]: Without dead ends: 1120 [2018-10-26 20:01:39,914 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:01:39,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-10-26 20:01:39,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 978. [2018-10-26 20:01:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-10-26 20:01:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1200 transitions. [2018-10-26 20:01:39,988 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1200 transitions. Word has length 64 [2018-10-26 20:01:39,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:39,988 INFO L481 AbstractCegarLoop]: Abstraction has 978 states and 1200 transitions. [2018-10-26 20:01:39,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 20:01:39,988 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1200 transitions. [2018-10-26 20:01:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 20:01:39,990 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:39,990 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] [2018-10-26 20:01:39,990 INFO L424 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:39,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:39,992 INFO L82 PathProgramCache]: Analyzing trace with hash 950557317, now seen corresponding path program 1 times [2018-10-26 20:01:39,992 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:39,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:39,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:39,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:39,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:40,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:40,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:40,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:40,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:40,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:40,178 INFO L87 Difference]: Start difference. First operand 978 states and 1200 transitions. Second operand 5 states. [2018-10-26 20:01:40,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:40,220 INFO L93 Difference]: Finished difference Result 1239 states and 1537 transitions. [2018-10-26 20:01:40,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:40,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-10-26 20:01:40,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:40,223 INFO L225 Difference]: With dead ends: 1239 [2018-10-26 20:01:40,223 INFO L226 Difference]: Without dead ends: 910 [2018-10-26 20:01:40,224 INFO L605 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 [2018-10-26 20:01:40,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2018-10-26 20:01:40,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 910. [2018-10-26 20:01:40,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2018-10-26 20:01:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1105 transitions. [2018-10-26 20:01:40,268 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1105 transitions. Word has length 64 [2018-10-26 20:01:40,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:40,269 INFO L481 AbstractCegarLoop]: Abstraction has 910 states and 1105 transitions. [2018-10-26 20:01:40,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1105 transitions. [2018-10-26 20:01:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 20:01:40,270 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:40,270 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] [2018-10-26 20:01:40,270 INFO L424 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:40,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:40,271 INFO L82 PathProgramCache]: Analyzing trace with hash -448885556, now seen corresponding path program 1 times [2018-10-26 20:01:40,271 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:40,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:40,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:40,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:40,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:40,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:40,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:01:40,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:01:40,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:01:40,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:01:40,452 INFO L87 Difference]: Start difference. First operand 910 states and 1105 transitions. Second operand 8 states. [2018-10-26 20:01:40,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:40,615 INFO L93 Difference]: Finished difference Result 924 states and 1118 transitions. [2018-10-26 20:01:40,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:01:40,616 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-10-26 20:01:40,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:40,619 INFO L225 Difference]: With dead ends: 924 [2018-10-26 20:01:40,619 INFO L226 Difference]: Without dead ends: 906 [2018-10-26 20:01:40,620 INFO L605 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 [2018-10-26 20:01:40,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-10-26 20:01:40,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 906. [2018-10-26 20:01:40,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-10-26 20:01:40,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1099 transitions. [2018-10-26 20:01:40,676 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1099 transitions. Word has length 58 [2018-10-26 20:01:40,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:40,677 INFO L481 AbstractCegarLoop]: Abstraction has 906 states and 1099 transitions. [2018-10-26 20:01:40,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:01:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1099 transitions. [2018-10-26 20:01:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 20:01:40,680 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:40,680 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] [2018-10-26 20:01:40,681 INFO L424 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:40,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:40,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1211898903, now seen corresponding path program 1 times [2018-10-26 20:01:40,681 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:40,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:40,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:40,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:40,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:40,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:40,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:01:40,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:01:40,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:01:40,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:01:40,976 INFO L87 Difference]: Start difference. First operand 906 states and 1099 transitions. Second operand 6 states. [2018-10-26 20:01:41,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:41,047 INFO L93 Difference]: Finished difference Result 937 states and 1129 transitions. [2018-10-26 20:01:41,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:01:41,048 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-10-26 20:01:41,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:41,050 INFO L225 Difference]: With dead ends: 937 [2018-10-26 20:01:41,051 INFO L226 Difference]: Without dead ends: 906 [2018-10-26 20:01:41,051 INFO L605 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 [2018-10-26 20:01:41,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-10-26 20:01:41,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2018-10-26 20:01:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-10-26 20:01:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1083 transitions. [2018-10-26 20:01:41,093 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1083 transitions. Word has length 60 [2018-10-26 20:01:41,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:41,094 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1083 transitions. [2018-10-26 20:01:41,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:01:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1083 transitions. [2018-10-26 20:01:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 20:01:41,095 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:41,095 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] [2018-10-26 20:01:41,095 INFO L424 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:41,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:41,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1296649100, now seen corresponding path program 1 times [2018-10-26 20:01:41,096 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:41,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:41,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:41,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:41,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:41,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:41,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:41,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:41,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:41,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:41,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:41,358 INFO L87 Difference]: Start difference. First operand 894 states and 1083 transitions. Second operand 5 states. [2018-10-26 20:01:42,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:42,553 INFO L93 Difference]: Finished difference Result 1155 states and 1413 transitions. [2018-10-26 20:01:42,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:42,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-10-26 20:01:42,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:42,557 INFO L225 Difference]: With dead ends: 1155 [2018-10-26 20:01:42,557 INFO L226 Difference]: Without dead ends: 894 [2018-10-26 20:01:42,558 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:01:42,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-10-26 20:01:42,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2018-10-26 20:01:42,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-10-26 20:01:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1081 transitions. [2018-10-26 20:01:42,605 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1081 transitions. Word has length 68 [2018-10-26 20:01:42,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:42,606 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1081 transitions. [2018-10-26 20:01:42,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1081 transitions. [2018-10-26 20:01:42,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:01:42,607 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:42,607 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] [2018-10-26 20:01:42,607 INFO L424 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:42,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:42,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1277975134, now seen corresponding path program 1 times [2018-10-26 20:01:42,608 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:42,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:42,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:42,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:42,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:42,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:42,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:42,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:42,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:42,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:42,862 INFO L87 Difference]: Start difference. First operand 894 states and 1081 transitions. Second operand 5 states. [2018-10-26 20:01:43,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:43,134 INFO L93 Difference]: Finished difference Result 1080 states and 1301 transitions. [2018-10-26 20:01:43,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:43,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-10-26 20:01:43,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:43,139 INFO L225 Difference]: With dead ends: 1080 [2018-10-26 20:01:43,139 INFO L226 Difference]: Without dead ends: 906 [2018-10-26 20:01:43,141 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:43,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-10-26 20:01:43,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 902. [2018-10-26 20:01:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-10-26 20:01:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1089 transitions. [2018-10-26 20:01:43,208 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1089 transitions. Word has length 63 [2018-10-26 20:01:43,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:43,208 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1089 transitions. [2018-10-26 20:01:43,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:43,209 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1089 transitions. [2018-10-26 20:01:43,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:01:43,210 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:43,210 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] [2018-10-26 20:01:43,210 INFO L424 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:43,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:43,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1001822433, now seen corresponding path program 1 times [2018-10-26 20:01:43,210 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:43,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:43,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:43,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:43,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:43,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:43,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:01:43,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:01:43,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:01:43,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:43,774 INFO L87 Difference]: Start difference. First operand 902 states and 1089 transitions. Second operand 9 states. [2018-10-26 20:01:43,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:43,869 INFO L93 Difference]: Finished difference Result 1312 states and 1564 transitions. [2018-10-26 20:01:43,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:01:43,875 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-10-26 20:01:43,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:43,878 INFO L225 Difference]: With dead ends: 1312 [2018-10-26 20:01:43,878 INFO L226 Difference]: Without dead ends: 904 [2018-10-26 20:01:43,879 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:01:43,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-10-26 20:01:43,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 902. [2018-10-26 20:01:43,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-10-26 20:01:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1086 transitions. [2018-10-26 20:01:43,968 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1086 transitions. Word has length 63 [2018-10-26 20:01:43,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:43,968 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1086 transitions. [2018-10-26 20:01:43,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:01:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1086 transitions. [2018-10-26 20:01:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:01:43,970 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:43,970 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] [2018-10-26 20:01:43,970 INFO L424 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:43,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:43,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1579328759, now seen corresponding path program 1 times [2018-10-26 20:01:43,972 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:43,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:43,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:43,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:43,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:44,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:44,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:01:44,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:01:44,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:01:44,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:01:44,110 INFO L87 Difference]: Start difference. First operand 902 states and 1086 transitions. Second operand 6 states. [2018-10-26 20:01:44,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:44,175 INFO L93 Difference]: Finished difference Result 920 states and 1102 transitions. [2018-10-26 20:01:44,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:01:44,179 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-10-26 20:01:44,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:44,182 INFO L225 Difference]: With dead ends: 920 [2018-10-26 20:01:44,182 INFO L226 Difference]: Without dead ends: 882 [2018-10-26 20:01:44,185 INFO L605 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 [2018-10-26 20:01:44,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2018-10-26 20:01:44,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 882. [2018-10-26 20:01:44,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-10-26 20:01:44,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1063 transitions. [2018-10-26 20:01:44,228 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1063 transitions. Word has length 63 [2018-10-26 20:01:44,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:44,228 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1063 transitions. [2018-10-26 20:01:44,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:01:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1063 transitions. [2018-10-26 20:01:44,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 20:01:44,230 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:44,230 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] [2018-10-26 20:01:44,230 INFO L424 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:44,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:44,230 INFO L82 PathProgramCache]: Analyzing trace with hash 365918546, now seen corresponding path program 1 times [2018-10-26 20:01:44,230 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:44,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:44,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:44,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:44,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:44,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:44,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:44,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:44,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:44,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:44,323 INFO L87 Difference]: Start difference. First operand 882 states and 1063 transitions. Second operand 3 states. [2018-10-26 20:01:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:44,535 INFO L93 Difference]: Finished difference Result 1199 states and 1466 transitions. [2018-10-26 20:01:44,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:44,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-10-26 20:01:44,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:44,539 INFO L225 Difference]: With dead ends: 1199 [2018-10-26 20:01:44,539 INFO L226 Difference]: Without dead ends: 938 [2018-10-26 20:01:44,540 INFO L605 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 [2018-10-26 20:01:44,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2018-10-26 20:01:44,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 882. [2018-10-26 20:01:44,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-10-26 20:01:44,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1063 transitions. [2018-10-26 20:01:44,608 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1063 transitions. Word has length 71 [2018-10-26 20:01:44,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:44,609 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1063 transitions. [2018-10-26 20:01:44,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:44,609 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1063 transitions. [2018-10-26 20:01:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 20:01:44,610 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:44,610 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] [2018-10-26 20:01:44,615 INFO L424 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:44,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:44,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1935013486, now seen corresponding path program 1 times [2018-10-26 20:01:44,615 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:44,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:44,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:44,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:44,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:45,320 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 5 [2018-10-26 20:01:45,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:45,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:45,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:01:45,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:01:45,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:01:45,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:01:45,323 INFO L87 Difference]: Start difference. First operand 882 states and 1063 transitions. Second operand 6 states. [2018-10-26 20:01:45,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:45,458 INFO L93 Difference]: Finished difference Result 1167 states and 1419 transitions. [2018-10-26 20:01:45,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:01:45,459 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-10-26 20:01:45,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:45,461 INFO L225 Difference]: With dead ends: 1167 [2018-10-26 20:01:45,461 INFO L226 Difference]: Without dead ends: 939 [2018-10-26 20:01:45,462 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:01:45,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-10-26 20:01:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 882. [2018-10-26 20:01:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-10-26 20:01:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1061 transitions. [2018-10-26 20:01:45,502 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1061 transitions. Word has length 71 [2018-10-26 20:01:45,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:45,503 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1061 transitions. [2018-10-26 20:01:45,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:01:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1061 transitions. [2018-10-26 20:01:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 20:01:45,504 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:45,504 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] [2018-10-26 20:01:45,504 INFO L424 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:45,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:45,505 INFO L82 PathProgramCache]: Analyzing trace with hash -2043827992, now seen corresponding path program 1 times [2018-10-26 20:01:45,505 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:45,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:45,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:45,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:45,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:45,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:45,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:45,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:45,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:45,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:45,901 INFO L87 Difference]: Start difference. First operand 882 states and 1061 transitions. Second operand 5 states. [2018-10-26 20:01:45,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:45,942 INFO L93 Difference]: Finished difference Result 892 states and 1070 transitions. [2018-10-26 20:01:45,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:45,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-10-26 20:01:45,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:45,944 INFO L225 Difference]: With dead ends: 892 [2018-10-26 20:01:45,945 INFO L226 Difference]: Without dead ends: 860 [2018-10-26 20:01:45,945 INFO L605 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 [2018-10-26 20:01:45,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2018-10-26 20:01:45,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 855. [2018-10-26 20:01:45,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2018-10-26 20:01:45,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1031 transitions. [2018-10-26 20:01:45,997 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1031 transitions. Word has length 64 [2018-10-26 20:01:45,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:45,998 INFO L481 AbstractCegarLoop]: Abstraction has 855 states and 1031 transitions. [2018-10-26 20:01:45,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1031 transitions. [2018-10-26 20:01:45,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:01:45,999 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:45,999 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] [2018-10-26 20:01:45,999 INFO L424 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:46,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:46,000 INFO L82 PathProgramCache]: Analyzing trace with hash 698875826, now seen corresponding path program 1 times [2018-10-26 20:01:46,000 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:46,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:46,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:46,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:46,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:46,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:46,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:01:46,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:01:46,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:01:46,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:46,914 INFO L87 Difference]: Start difference. First operand 855 states and 1031 transitions. Second operand 9 states. [2018-10-26 20:01:47,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:47,217 INFO L93 Difference]: Finished difference Result 872 states and 1047 transitions. [2018-10-26 20:01:47,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:01:47,218 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-10-26 20:01:47,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:47,220 INFO L225 Difference]: With dead ends: 872 [2018-10-26 20:01:47,220 INFO L226 Difference]: Without dead ends: 851 [2018-10-26 20:01:47,221 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:01:47,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-10-26 20:01:47,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 851. [2018-10-26 20:01:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2018-10-26 20:01:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1025 transitions. [2018-10-26 20:01:47,321 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1025 transitions. Word has length 63 [2018-10-26 20:01:47,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:47,321 INFO L481 AbstractCegarLoop]: Abstraction has 851 states and 1025 transitions. [2018-10-26 20:01:47,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:01:47,321 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1025 transitions. [2018-10-26 20:01:47,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 20:01:47,323 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:47,323 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] [2018-10-26 20:01:47,323 INFO L424 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:47,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:47,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1549959098, now seen corresponding path program 1 times [2018-10-26 20:01:47,323 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:47,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:47,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:47,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:47,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:47,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:47,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:01:47,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:01:47,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:01:47,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:47,612 INFO L87 Difference]: Start difference. First operand 851 states and 1025 transitions. Second operand 9 states. [2018-10-26 20:01:47,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:47,744 INFO L93 Difference]: Finished difference Result 868 states and 1041 transitions. [2018-10-26 20:01:47,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:01:47,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-10-26 20:01:47,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:47,747 INFO L225 Difference]: With dead ends: 868 [2018-10-26 20:01:47,747 INFO L226 Difference]: Without dead ends: 846 [2018-10-26 20:01:47,748 INFO L605 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 [2018-10-26 20:01:47,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2018-10-26 20:01:47,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 846. [2018-10-26 20:01:47,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-10-26 20:01:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1018 transitions. [2018-10-26 20:01:47,805 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1018 transitions. Word has length 64 [2018-10-26 20:01:47,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:47,805 INFO L481 AbstractCegarLoop]: Abstraction has 846 states and 1018 transitions. [2018-10-26 20:01:47,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:01:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1018 transitions. [2018-10-26 20:01:47,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 20:01:47,806 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:47,807 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] [2018-10-26 20:01:47,807 INFO L424 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:47,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:47,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1814896728, now seen corresponding path program 1 times [2018-10-26 20:01:47,807 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:47,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:47,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:47,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:47,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:48,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:48,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:01:48,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:01:48,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:01:48,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:48,357 INFO L87 Difference]: Start difference. First operand 846 states and 1018 transitions. Second operand 9 states. [2018-10-26 20:01:48,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:48,528 INFO L93 Difference]: Finished difference Result 863 states and 1034 transitions. [2018-10-26 20:01:48,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:01:48,529 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-10-26 20:01:48,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:48,532 INFO L225 Difference]: With dead ends: 863 [2018-10-26 20:01:48,532 INFO L226 Difference]: Without dead ends: 842 [2018-10-26 20:01:48,533 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:01:48,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2018-10-26 20:01:48,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2018-10-26 20:01:48,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2018-10-26 20:01:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1012 transitions. [2018-10-26 20:01:48,598 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1012 transitions. Word has length 64 [2018-10-26 20:01:48,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:48,598 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 1012 transitions. [2018-10-26 20:01:48,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:01:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1012 transitions. [2018-10-26 20:01:48,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 20:01:48,603 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:48,603 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] [2018-10-26 20:01:48,603 INFO L424 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:48,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:48,603 INFO L82 PathProgramCache]: Analyzing trace with hash 2066215379, now seen corresponding path program 1 times [2018-10-26 20:01:48,603 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:48,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:48,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:48,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:48,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:48,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:48,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:01:48,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:01:48,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:01:48,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:01:48,951 INFO L87 Difference]: Start difference. First operand 842 states and 1012 transitions. Second operand 8 states. [2018-10-26 20:01:49,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:49,056 INFO L93 Difference]: Finished difference Result 853 states and 1022 transitions. [2018-10-26 20:01:49,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:01:49,057 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-10-26 20:01:49,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:49,059 INFO L225 Difference]: With dead ends: 853 [2018-10-26 20:01:49,060 INFO L226 Difference]: Without dead ends: 831 [2018-10-26 20:01:49,060 INFO L605 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 [2018-10-26 20:01:49,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-10-26 20:01:49,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 771. [2018-10-26 20:01:49,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-10-26 20:01:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 926 transitions. [2018-10-26 20:01:49,097 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 926 transitions. Word has length 64 [2018-10-26 20:01:49,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:49,098 INFO L481 AbstractCegarLoop]: Abstraction has 771 states and 926 transitions. [2018-10-26 20:01:49,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:01:49,098 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 926 transitions. [2018-10-26 20:01:49,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 20:01:49,099 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:49,099 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] [2018-10-26 20:01:49,099 INFO L424 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:49,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:49,100 INFO L82 PathProgramCache]: Analyzing trace with hash 139756362, now seen corresponding path program 1 times [2018-10-26 20:01:49,100 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:49,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:49,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:49,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:49,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:49,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:49,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:01:49,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:01:49,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:01:49,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:01:49,213 INFO L87 Difference]: Start difference. First operand 771 states and 926 transitions. Second operand 3 states. [2018-10-26 20:01:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:49,258 INFO L93 Difference]: Finished difference Result 1131 states and 1374 transitions. [2018-10-26 20:01:49,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:01:49,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-10-26 20:01:49,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:49,261 INFO L225 Difference]: With dead ends: 1131 [2018-10-26 20:01:49,261 INFO L226 Difference]: Without dead ends: 876 [2018-10-26 20:01:49,262 INFO L605 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 [2018-10-26 20:01:49,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2018-10-26 20:01:49,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 846. [2018-10-26 20:01:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-10-26 20:01:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1021 transitions. [2018-10-26 20:01:49,331 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1021 transitions. Word has length 73 [2018-10-26 20:01:49,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:49,332 INFO L481 AbstractCegarLoop]: Abstraction has 846 states and 1021 transitions. [2018-10-26 20:01:49,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:01:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1021 transitions. [2018-10-26 20:01:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 20:01:49,333 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:49,333 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] [2018-10-26 20:01:49,333 INFO L424 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:49,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:49,334 INFO L82 PathProgramCache]: Analyzing trace with hash -442637689, now seen corresponding path program 1 times [2018-10-26 20:01:49,334 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:49,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:49,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:49,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:49,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:49,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:49,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:01:49,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:01:49,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:01:49,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:49,535 INFO L87 Difference]: Start difference. First operand 846 states and 1021 transitions. Second operand 9 states. [2018-10-26 20:01:49,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:49,683 INFO L93 Difference]: Finished difference Result 863 states and 1037 transitions. [2018-10-26 20:01:49,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:01:49,684 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-10-26 20:01:49,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:49,687 INFO L225 Difference]: With dead ends: 863 [2018-10-26 20:01:49,687 INFO L226 Difference]: Without dead ends: 820 [2018-10-26 20:01:49,688 INFO L605 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 [2018-10-26 20:01:49,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2018-10-26 20:01:49,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 820. [2018-10-26 20:01:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2018-10-26 20:01:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 989 transitions. [2018-10-26 20:01:49,785 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 989 transitions. Word has length 68 [2018-10-26 20:01:49,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:49,785 INFO L481 AbstractCegarLoop]: Abstraction has 820 states and 989 transitions. [2018-10-26 20:01:49,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:01:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 989 transitions. [2018-10-26 20:01:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 20:01:49,790 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:49,790 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] [2018-10-26 20:01:49,790 INFO L424 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:49,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:49,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1323707449, now seen corresponding path program 1 times [2018-10-26 20:01:49,790 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:49,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:49,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:49,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:49,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:49,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:49,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:01:49,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:01:49,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:01:49,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:01:49,941 INFO L87 Difference]: Start difference. First operand 820 states and 989 transitions. Second operand 7 states. [2018-10-26 20:01:50,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:50,708 INFO L93 Difference]: Finished difference Result 1127 states and 1369 transitions. [2018-10-26 20:01:50,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 20:01:50,709 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-10-26 20:01:50,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:50,711 INFO L225 Difference]: With dead ends: 1127 [2018-10-26 20:01:50,711 INFO L226 Difference]: Without dead ends: 815 [2018-10-26 20:01:50,712 INFO L605 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 [2018-10-26 20:01:50,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-10-26 20:01:50,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 804. [2018-10-26 20:01:50,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-10-26 20:01:50,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 964 transitions. [2018-10-26 20:01:50,768 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 964 transitions. Word has length 82 [2018-10-26 20:01:50,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:50,769 INFO L481 AbstractCegarLoop]: Abstraction has 804 states and 964 transitions. [2018-10-26 20:01:50,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:01:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 964 transitions. [2018-10-26 20:01:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-26 20:01:50,770 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:50,770 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] [2018-10-26 20:01:50,771 INFO L424 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:50,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:50,771 INFO L82 PathProgramCache]: Analyzing trace with hash -368625105, now seen corresponding path program 1 times [2018-10-26 20:01:50,771 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:50,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:50,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:50,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:50,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:51,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:51,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:51,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:51,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:51,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:51,042 INFO L87 Difference]: Start difference. First operand 804 states and 964 transitions. Second operand 5 states. [2018-10-26 20:01:51,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:51,239 INFO L93 Difference]: Finished difference Result 1000 states and 1193 transitions. [2018-10-26 20:01:51,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:01:51,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-10-26 20:01:51,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:51,242 INFO L225 Difference]: With dead ends: 1000 [2018-10-26 20:01:51,242 INFO L226 Difference]: Without dead ends: 824 [2018-10-26 20:01:51,243 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:51,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-10-26 20:01:51,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 816. [2018-10-26 20:01:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-10-26 20:01:51,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 978 transitions. [2018-10-26 20:01:51,312 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 978 transitions. Word has length 76 [2018-10-26 20:01:51,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:51,313 INFO L481 AbstractCegarLoop]: Abstraction has 816 states and 978 transitions. [2018-10-26 20:01:51,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 978 transitions. [2018-10-26 20:01:51,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-26 20:01:51,315 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:51,315 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] [2018-10-26 20:01:51,315 INFO L424 AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:51,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:51,315 INFO L82 PathProgramCache]: Analyzing trace with hash 344290896, now seen corresponding path program 1 times [2018-10-26 20:01:51,315 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:51,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:51,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:51,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:51,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:51,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:51,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:01:51,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:01:51,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:01:51,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:51,704 INFO L87 Difference]: Start difference. First operand 816 states and 978 transitions. Second operand 9 states. [2018-10-26 20:01:51,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:51,790 INFO L93 Difference]: Finished difference Result 990 states and 1177 transitions. [2018-10-26 20:01:51,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:01:51,791 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-10-26 20:01:51,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:51,792 INFO L225 Difference]: With dead ends: 990 [2018-10-26 20:01:51,793 INFO L226 Difference]: Without dead ends: 770 [2018-10-26 20:01:51,793 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:01:51,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2018-10-26 20:01:51,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 766. [2018-10-26 20:01:51,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2018-10-26 20:01:51,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 912 transitions. [2018-10-26 20:01:51,842 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 912 transitions. Word has length 76 [2018-10-26 20:01:51,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:51,842 INFO L481 AbstractCegarLoop]: Abstraction has 766 states and 912 transitions. [2018-10-26 20:01:51,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:01:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 912 transitions. [2018-10-26 20:01:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 20:01:51,844 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:51,844 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] [2018-10-26 20:01:51,844 INFO L424 AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:51,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:51,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1825310314, now seen corresponding path program 1 times [2018-10-26 20:01:51,845 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:51,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:51,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:51,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:51,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:52,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:52,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:52,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:01:52,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:01:52,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:01:52,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:01:52,224 INFO L87 Difference]: Start difference. First operand 766 states and 912 transitions. Second operand 6 states. [2018-10-26 20:01:52,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:52,293 INFO L93 Difference]: Finished difference Result 1109 states and 1353 transitions. [2018-10-26 20:01:52,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:01:52,295 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-10-26 20:01:52,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:52,297 INFO L225 Difference]: With dead ends: 1109 [2018-10-26 20:01:52,297 INFO L226 Difference]: Without dead ends: 852 [2018-10-26 20:01:52,298 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:01:52,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2018-10-26 20:01:52,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 732. [2018-10-26 20:01:52,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2018-10-26 20:01:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 868 transitions. [2018-10-26 20:01:52,377 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 868 transitions. Word has length 83 [2018-10-26 20:01:52,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:52,377 INFO L481 AbstractCegarLoop]: Abstraction has 732 states and 868 transitions. [2018-10-26 20:01:52,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:01:52,378 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 868 transitions. [2018-10-26 20:01:52,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 20:01:52,379 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:52,379 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] [2018-10-26 20:01:52,379 INFO L424 AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:52,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:52,379 INFO L82 PathProgramCache]: Analyzing trace with hash 300978297, now seen corresponding path program 1 times [2018-10-26 20:01:52,380 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:52,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:52,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:52,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:52,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:52,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:52,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:01:52,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:01:52,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:01:52,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:01:52,636 INFO L87 Difference]: Start difference. First operand 732 states and 868 transitions. Second operand 5 states. [2018-10-26 20:01:53,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:53,197 INFO L93 Difference]: Finished difference Result 1194 states and 1394 transitions. [2018-10-26 20:01:53,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:01:53,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-10-26 20:01:53,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:53,200 INFO L225 Difference]: With dead ends: 1194 [2018-10-26 20:01:53,200 INFO L226 Difference]: Without dead ends: 741 [2018-10-26 20:01:53,201 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:01:53,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-10-26 20:01:53,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 718. [2018-10-26 20:01:53,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2018-10-26 20:01:53,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 835 transitions. [2018-10-26 20:01:53,242 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 835 transitions. Word has length 78 [2018-10-26 20:01:53,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:53,243 INFO L481 AbstractCegarLoop]: Abstraction has 718 states and 835 transitions. [2018-10-26 20:01:53,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:01:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 835 transitions. [2018-10-26 20:01:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 20:01:53,244 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:53,244 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] [2018-10-26 20:01:53,244 INFO L424 AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:53,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:53,244 INFO L82 PathProgramCache]: Analyzing trace with hash -117597236, now seen corresponding path program 1 times [2018-10-26 20:01:53,245 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:53,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:53,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:53,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:53,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:53,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:53,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:01:53,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:01:53,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:01:53,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:53,625 INFO L87 Difference]: Start difference. First operand 718 states and 835 transitions. Second operand 9 states. [2018-10-26 20:01:53,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:53,761 INFO L93 Difference]: Finished difference Result 720 states and 836 transitions. [2018-10-26 20:01:53,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:01:53,763 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2018-10-26 20:01:53,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:53,764 INFO L225 Difference]: With dead ends: 720 [2018-10-26 20:01:53,764 INFO L226 Difference]: Without dead ends: 602 [2018-10-26 20:01:53,765 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:01:53,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2018-10-26 20:01:53,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2018-10-26 20:01:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-10-26 20:01:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 702 transitions. [2018-10-26 20:01:53,808 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 702 transitions. Word has length 81 [2018-10-26 20:01:53,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:53,808 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 702 transitions. [2018-10-26 20:01:53,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:01:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 702 transitions. [2018-10-26 20:01:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 20:01:53,809 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:53,809 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] [2018-10-26 20:01:53,810 INFO L424 AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:53,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:53,810 INFO L82 PathProgramCache]: Analyzing trace with hash 290782018, now seen corresponding path program 1 times [2018-10-26 20:01:53,810 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:53,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:53,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:53,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:53,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:54,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:01:54,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:01:54,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:01:54,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:01:54,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:01:54,188 INFO L87 Difference]: Start difference. First operand 602 states and 702 transitions. Second operand 9 states. [2018-10-26 20:01:54,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:01:54,292 INFO L93 Difference]: Finished difference Result 635 states and 735 transitions. [2018-10-26 20:01:54,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:01:54,293 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-10-26 20:01:54,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:01:54,295 INFO L225 Difference]: With dead ends: 635 [2018-10-26 20:01:54,295 INFO L226 Difference]: Without dead ends: 614 [2018-10-26 20:01:54,295 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-10-26 20:01:54,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2018-10-26 20:01:54,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 602. [2018-10-26 20:01:54,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-10-26 20:01:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 701 transitions. [2018-10-26 20:01:54,330 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 701 transitions. Word has length 88 [2018-10-26 20:01:54,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:01:54,330 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 701 transitions. [2018-10-26 20:01:54,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:01:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 701 transitions. [2018-10-26 20:01:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 20:01:54,331 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:01:54,331 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] [2018-10-26 20:01:54,331 INFO L424 AbstractCegarLoop]: === Iteration 55 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:01:54,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:01:54,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1276127581, now seen corresponding path program 1 times [2018-10-26 20:01:54,332 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:01:54,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:01:54,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:54,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:01:54,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:01:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:01:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:01:54,420 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:01:54,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:01:54 BoogieIcfgContainer [2018-10-26 20:01:54,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:01:54,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:01:54,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:01:54,546 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:01:54,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:01:14" (3/4) ... [2018-10-26 20:01:54,549 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 20:01:54,694 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_56d58efd-2068-418c-a150-8ab718ca4d89/bin-2019/uautomizer/witness.graphml [2018-10-26 20:01:54,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:01:54,696 INFO L168 Benchmark]: Toolchain (without parser) took 43589.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 408.4 MB). Free memory was 950.4 MB in the beginning and 976.2 MB in the end (delta: -25.7 MB). Peak memory consumption was 382.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:01:54,697 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-26 20:01:54,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.8 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:01:54,697 INFO L168 Benchmark]: Boogie Preprocessor took 164.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 920.8 MB in the beginning and 1.2 GB in the end (delta: -230.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:01:54,697 INFO L168 Benchmark]: RCFGBuilder took 2495.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:01:54,698 INFO L168 Benchmark]: TraceAbstraction took 40191.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 252.7 MB). Free memory was 1.0 GB in the beginning and 997.9 MB in the end (delta: 32.9 MB). Peak memory consumption was 285.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:01:54,698 INFO L168 Benchmark]: Witness Printer took 147.98 ms. Allocated memory is still 1.4 GB. Free memory was 997.9 MB in the beginning and 976.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:01:54,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 584.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.8 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 164.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 920.8 MB in the beginning and 1.2 GB in the end (delta: -230.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2495.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40191.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 252.7 MB). Free memory was 1.0 GB in the beginning and 997.9 MB in the end (delta: 32.9 MB). Peak memory consumption was 285.6 MB. Max. memory is 11.5 GB. * Witness Printer took 147.98 ms. Allocated memory is still 1.4 GB. Free memory was 997.9 MB in the beginning and 976.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 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, 40.1s OverallTime, 55 OverallIterations, 1 TraceHistogramMax, 22.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25052 SDtfs, 10289 SDslu, 68830 SDs, 0 SdLazy, 7381 SolverSat, 1551 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 126 SyntacticMatches, 11 SemanticMatches, 265 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 12.2s 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: 2.7s AutomataMinimizationTime, 54 MinimizatonAttempts, 1706 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 3100 NumberOfCodeBlocks, 3100 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2961 ConstructedInterpolants, 0 QuantifiedInterpolants, 307435 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...