./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_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_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 600447986a0d0a3d94421aa90c6997a7dd1eb35a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:03:10,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:03:10,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:03:10,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:03:10,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:03:10,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:03:10,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:03:10,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:03:10,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:03:10,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:03:10,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:03:10,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:03:10,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:03:10,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:03:10,804 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:03:10,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:03:10,806 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:03:10,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:03:10,810 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:03:10,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:03:10,811 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:03:10,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:03:10,819 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:03:10,819 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:03:10,819 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:03:10,820 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:03:10,820 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:03:10,820 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:03:10,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:03:10,821 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:03:10,822 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:03:10,822 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:03:10,822 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:03:10,822 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:03:10,823 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:03:10,823 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:03:10,823 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 23:03:10,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:03:10,842 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:03:10,843 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:03:10,843 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:03:10,843 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:03:10,844 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:03:10,844 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:03:10,844 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:03:10,844 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:03:10,844 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:03:10,844 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:03:10,845 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:03:10,845 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:03:10,847 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:03:10,847 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:03:10,847 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:03:10,847 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:03:10,848 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:03:10,848 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:03:10,848 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:03:10,848 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:03:10,848 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:03:10,848 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:03:10,848 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:03:10,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:03:10,849 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:03:10,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:03:10,849 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:03:10,849 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:03:10,849 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:03:10,849 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:03:10,850 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:03:10,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:03:10,850 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:03:10,850 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan 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 -> Taipan 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 -> 600447986a0d0a3d94421aa90c6997a7dd1eb35a [2018-10-26 23:03:10,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:03:10,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:03:10,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:03:10,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:03:10,895 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:03:10,896 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-26 23:03:10,942 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/data/accb50ff1/fc6550e676cc44cd9065d19623a3e63e/FLAGcae5844ef [2018-10-26 23:03:11,358 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:03:11,359 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-26 23:03:11,378 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/data/accb50ff1/fc6550e676cc44cd9065d19623a3e63e/FLAGcae5844ef [2018-10-26 23:03:11,393 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/data/accb50ff1/fc6550e676cc44cd9065d19623a3e63e [2018-10-26 23:03:11,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:03:11,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:03:11,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:03:11,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:03:11,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:03:11,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd24825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11, skipping insertion in model container [2018-10-26 23:03:11,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:03:11,470 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:03:11,690 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:03:11,694 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:03:11,760 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:03:11,777 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:03:11,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11 WrapperNode [2018-10-26 23:03:11,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:03:11,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:03:11,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:03:11,779 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:03:11,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:03:11,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:03:11,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:03:11,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:03:11,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (1/1) ... [2018-10-26 23:03:11,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:03:11,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:03:11,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:03:11,936 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:03:11,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/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 23:03:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-10-26 23:03:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-10-26 23:03:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-10-26 23:03:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-10-26 23:03:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-10-26 23:03:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-10-26 23:03:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-10-26 23:03:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-10-26 23:03:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:03:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:03:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-10-26 23:03:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-10-26 23:03:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-10-26 23:03:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-10-26 23:03:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-10-26 23:03:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-10-26 23:03:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-10-26 23:03:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-10-26 23:03:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-10-26 23:03:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-10-26 23:03:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-10-26 23:03:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-10-26 23:03:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-10-26 23:03:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-10-26 23:03:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-10-26 23:03:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-10-26 23:03:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-10-26 23:03:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-10-26 23:03:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-10-26 23:03:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-10-26 23:03:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-10-26 23:03:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-10-26 23:03:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-10-26 23:03:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-10-26 23:03:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-10-26 23:03:12,006 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-10-26 23:03:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:03:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:03:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-10-26 23:03:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-10-26 23:03:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-10-26 23:03:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-10-26 23:03:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:03:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:03:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-10-26 23:03:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-10-26 23:03:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-10-26 23:03:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-10-26 23:03:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-10-26 23:03:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-10-26 23:03:12,282 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:12,282 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:12,487 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:12,487 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:12,556 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:12,557 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:12,926 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:12,927 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:13,129 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:13,129 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:13,204 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:13,204 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:13,297 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:13,297 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:13,323 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:13,323 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:13,510 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:13,510 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:13,690 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:13,691 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:13,703 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:13,703 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:13,717 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 23:03:13,717 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 23:03:13,739 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:03:13,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:03:13 BoogieIcfgContainer [2018-10-26 23:03:13,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:03:13,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:03:13,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:03:13,743 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:03:13,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:03:11" (1/3) ... [2018-10-26 23:03:13,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130c0214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:03:13, skipping insertion in model container [2018-10-26 23:03:13,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:03:11" (2/3) ... [2018-10-26 23:03:13,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130c0214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:03:13, skipping insertion in model container [2018-10-26 23:03:13,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:03:13" (3/3) ... [2018-10-26 23:03:13,748 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-26 23:03:13,757 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:03:13,768 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:03:13,782 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:03:13,812 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:03:13,812 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:03:13,813 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:03:13,813 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:03:13,813 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:03:13,813 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:03:13,813 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:03:13,814 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:03:13,842 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2018-10-26 23:03:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:03:13,854 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:13,854 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 23:03:13,857 INFO L424 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:13,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:13,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1742935158, now seen corresponding path program 1 times [2018-10-26 23:03:13,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:13,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:13,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:13,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:13,910 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:14,091 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 23:03:14,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:14,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:14,093 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:14,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:14,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:14,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:14,108 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2018-10-26 23:03:14,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:14,288 INFO L93 Difference]: Finished difference Result 512 states and 733 transitions. [2018-10-26 23:03:14,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:14,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-10-26 23:03:14,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:14,304 INFO L225 Difference]: With dead ends: 512 [2018-10-26 23:03:14,304 INFO L226 Difference]: Without dead ends: 295 [2018-10-26 23:03:14,310 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 23:03:14,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-10-26 23:03:14,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2018-10-26 23:03:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-10-26 23:03:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 389 transitions. [2018-10-26 23:03:14,372 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 389 transitions. Word has length 20 [2018-10-26 23:03:14,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:14,372 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 389 transitions. [2018-10-26 23:03:14,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 389 transitions. [2018-10-26 23:03:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:03:14,375 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:14,375 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] [2018-10-26 23:03:14,375 INFO L424 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:14,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:14,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1426459818, now seen corresponding path program 1 times [2018-10-26 23:03:14,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:14,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:14,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:14,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:14,378 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:14,626 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-26 23:03:14,762 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 23:03:14,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:14,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:14,762 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:14,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:14,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:14,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:14,770 INFO L87 Difference]: Start difference. First operand 295 states and 389 transitions. Second operand 3 states. [2018-10-26 23:03:15,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:15,226 INFO L93 Difference]: Finished difference Result 610 states and 812 transitions. [2018-10-26 23:03:15,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:15,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-10-26 23:03:15,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:15,232 INFO L225 Difference]: With dead ends: 610 [2018-10-26 23:03:15,232 INFO L226 Difference]: Without dead ends: 446 [2018-10-26 23:03:15,233 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:15,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-10-26 23:03:15,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 427. [2018-10-26 23:03:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-10-26 23:03:15,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 565 transitions. [2018-10-26 23:03:15,270 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 565 transitions. Word has length 28 [2018-10-26 23:03:15,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:15,270 INFO L481 AbstractCegarLoop]: Abstraction has 427 states and 565 transitions. [2018-10-26 23:03:15,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:15,271 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 565 transitions. [2018-10-26 23:03:15,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:03:15,271 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:15,272 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] [2018-10-26 23:03:15,272 INFO L424 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:15,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:15,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1600930066, now seen corresponding path program 1 times [2018-10-26 23:03:15,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:15,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:15,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:15,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:15,274 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:15,424 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 23:03:15,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:15,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:15,424 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:15,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:15,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:15,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:15,425 INFO L87 Difference]: Start difference. First operand 427 states and 565 transitions. Second operand 3 states. [2018-10-26 23:03:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:15,529 INFO L93 Difference]: Finished difference Result 925 states and 1230 transitions. [2018-10-26 23:03:15,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:15,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-10-26 23:03:15,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:15,539 INFO L225 Difference]: With dead ends: 925 [2018-10-26 23:03:15,540 INFO L226 Difference]: Without dead ends: 659 [2018-10-26 23:03:15,544 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 23:03:15,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2018-10-26 23:03:15,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 626. [2018-10-26 23:03:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-10-26 23:03:15,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 835 transitions. [2018-10-26 23:03:15,621 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 835 transitions. Word has length 30 [2018-10-26 23:03:15,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:15,622 INFO L481 AbstractCegarLoop]: Abstraction has 626 states and 835 transitions. [2018-10-26 23:03:15,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:15,624 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 835 transitions. [2018-10-26 23:03:15,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 23:03:15,626 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:15,626 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] [2018-10-26 23:03:15,626 INFO L424 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:15,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:15,627 INFO L82 PathProgramCache]: Analyzing trace with hash 462344592, now seen corresponding path program 1 times [2018-10-26 23:03:15,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:15,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:15,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:15,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:15,630 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:15,722 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 23:03:15,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:15,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:15,723 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:15,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:15,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:15,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:15,724 INFO L87 Difference]: Start difference. First operand 626 states and 835 transitions. Second operand 3 states. [2018-10-26 23:03:15,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:15,895 INFO L93 Difference]: Finished difference Result 723 states and 958 transitions. [2018-10-26 23:03:15,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:15,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-10-26 23:03:15,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:15,902 INFO L225 Difference]: With dead ends: 723 [2018-10-26 23:03:15,903 INFO L226 Difference]: Without dead ends: 703 [2018-10-26 23:03:15,903 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 23:03:15,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2018-10-26 23:03:15,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 670. [2018-10-26 23:03:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-10-26 23:03:15,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 893 transitions. [2018-10-26 23:03:15,943 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 893 transitions. Word has length 34 [2018-10-26 23:03:15,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:15,944 INFO L481 AbstractCegarLoop]: Abstraction has 670 states and 893 transitions. [2018-10-26 23:03:15,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:15,944 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 893 transitions. [2018-10-26 23:03:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 23:03:15,946 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:15,947 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] [2018-10-26 23:03:15,947 INFO L424 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:15,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:15,947 INFO L82 PathProgramCache]: Analyzing trace with hash 387462387, now seen corresponding path program 1 times [2018-10-26 23:03:15,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:15,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:15,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:15,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:15,950 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:16,036 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 23:03:16,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:16,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:16,037 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:16,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:16,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:16,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:16,038 INFO L87 Difference]: Start difference. First operand 670 states and 893 transitions. Second operand 3 states. [2018-10-26 23:03:16,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:16,449 INFO L93 Difference]: Finished difference Result 1047 states and 1415 transitions. [2018-10-26 23:03:16,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:16,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-10-26 23:03:16,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:16,456 INFO L225 Difference]: With dead ends: 1047 [2018-10-26 23:03:16,456 INFO L226 Difference]: Without dead ends: 1044 [2018-10-26 23:03:16,457 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 23:03:16,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2018-10-26 23:03:16,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 795. [2018-10-26 23:03:16,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-10-26 23:03:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1064 transitions. [2018-10-26 23:03:16,508 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1064 transitions. Word has length 41 [2018-10-26 23:03:16,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:16,508 INFO L481 AbstractCegarLoop]: Abstraction has 795 states and 1064 transitions. [2018-10-26 23:03:16,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1064 transitions. [2018-10-26 23:03:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 23:03:16,510 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:16,513 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 23:03:16,513 INFO L424 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:16,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:16,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1019098266, now seen corresponding path program 1 times [2018-10-26 23:03:16,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:16,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:16,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:16,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:16,515 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:16,659 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 23:03:16,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:16,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:16,660 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:16,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:16,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:16,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:16,661 INFO L87 Difference]: Start difference. First operand 795 states and 1064 transitions. Second operand 3 states. [2018-10-26 23:03:17,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:17,359 INFO L93 Difference]: Finished difference Result 810 states and 1084 transitions. [2018-10-26 23:03:17,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:17,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-10-26 23:03:17,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:17,363 INFO L225 Difference]: With dead ends: 810 [2018-10-26 23:03:17,363 INFO L226 Difference]: Without dead ends: 807 [2018-10-26 23:03:17,364 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 23:03:17,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2018-10-26 23:03:17,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 806. [2018-10-26 23:03:17,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-10-26 23:03:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1078 transitions. [2018-10-26 23:03:17,408 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1078 transitions. Word has length 40 [2018-10-26 23:03:17,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:17,408 INFO L481 AbstractCegarLoop]: Abstraction has 806 states and 1078 transitions. [2018-10-26 23:03:17,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:17,409 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1078 transitions. [2018-10-26 23:03:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 23:03:17,410 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:17,411 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] [2018-10-26 23:03:17,411 INFO L424 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:17,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:17,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1523724482, now seen corresponding path program 1 times [2018-10-26 23:03:17,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:17,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:17,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:17,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:17,412 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:17,512 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 23:03:17,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:17,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:17,512 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:17,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:17,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:17,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:17,513 INFO L87 Difference]: Start difference. First operand 806 states and 1078 transitions. Second operand 3 states. [2018-10-26 23:03:18,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:18,218 INFO L93 Difference]: Finished difference Result 846 states and 1128 transitions. [2018-10-26 23:03:18,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:18,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-10-26 23:03:18,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:18,223 INFO L225 Difference]: With dead ends: 846 [2018-10-26 23:03:18,223 INFO L226 Difference]: Without dead ends: 841 [2018-10-26 23:03:18,224 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 23:03:18,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2018-10-26 23:03:18,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 837. [2018-10-26 23:03:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2018-10-26 23:03:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1118 transitions. [2018-10-26 23:03:18,264 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1118 transitions. Word has length 41 [2018-10-26 23:03:18,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:18,264 INFO L481 AbstractCegarLoop]: Abstraction has 837 states and 1118 transitions. [2018-10-26 23:03:18,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:18,265 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1118 transitions. [2018-10-26 23:03:18,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 23:03:18,267 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:18,267 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 23:03:18,267 INFO L424 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:18,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:18,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1111397768, now seen corresponding path program 1 times [2018-10-26 23:03:18,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:18,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:18,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:18,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:18,269 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:18,550 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 23:03:18,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:18,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:03:18,550 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:18,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:03:18,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:03:18,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:03:18,551 INFO L87 Difference]: Start difference. First operand 837 states and 1118 transitions. Second operand 5 states. [2018-10-26 23:03:22,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:22,248 INFO L93 Difference]: Finished difference Result 1583 states and 2102 transitions. [2018-10-26 23:03:22,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:03:22,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-10-26 23:03:22,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:22,252 INFO L225 Difference]: With dead ends: 1583 [2018-10-26 23:03:22,252 INFO L226 Difference]: Without dead ends: 1017 [2018-10-26 23:03:22,255 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:03:22,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2018-10-26 23:03:22,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 828. [2018-10-26 23:03:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-10-26 23:03:22,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1097 transitions. [2018-10-26 23:03:22,303 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1097 transitions. Word has length 42 [2018-10-26 23:03:22,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:22,303 INFO L481 AbstractCegarLoop]: Abstraction has 828 states and 1097 transitions. [2018-10-26 23:03:22,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:03:22,304 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1097 transitions. [2018-10-26 23:03:22,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 23:03:22,304 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:22,304 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 23:03:22,305 INFO L424 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:22,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:22,305 INFO L82 PathProgramCache]: Analyzing trace with hash 462015162, now seen corresponding path program 1 times [2018-10-26 23:03:22,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:22,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:22,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:22,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:22,308 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:22,575 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 23:03:22,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:22,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:03:22,576 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:22,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:03:22,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:03:22,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:03:22,577 INFO L87 Difference]: Start difference. First operand 828 states and 1097 transitions. Second operand 5 states. [2018-10-26 23:03:23,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:23,607 INFO L93 Difference]: Finished difference Result 841 states and 1109 transitions. [2018-10-26 23:03:23,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:03:23,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-10-26 23:03:23,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:23,611 INFO L225 Difference]: With dead ends: 841 [2018-10-26 23:03:23,611 INFO L226 Difference]: Without dead ends: 832 [2018-10-26 23:03:23,612 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 23:03:23,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2018-10-26 23:03:23,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 828. [2018-10-26 23:03:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-10-26 23:03:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1095 transitions. [2018-10-26 23:03:23,665 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1095 transitions. Word has length 42 [2018-10-26 23:03:23,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:23,665 INFO L481 AbstractCegarLoop]: Abstraction has 828 states and 1095 transitions. [2018-10-26 23:03:23,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:03:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1095 transitions. [2018-10-26 23:03:23,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 23:03:23,667 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:23,668 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:03:23,668 INFO L424 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:23,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:23,668 INFO L82 PathProgramCache]: Analyzing trace with hash 548548394, now seen corresponding path program 1 times [2018-10-26 23:03:23,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:23,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:23,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:23,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:23,671 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:23,927 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 23:03:23,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:23,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:03:23,928 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:23,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:03:23,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:03:23,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:03:23,929 INFO L87 Difference]: Start difference. First operand 828 states and 1095 transitions. Second operand 5 states. [2018-10-26 23:03:24,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:24,606 INFO L93 Difference]: Finished difference Result 841 states and 1107 transitions. [2018-10-26 23:03:24,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:03:24,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-10-26 23:03:24,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:24,609 INFO L225 Difference]: With dead ends: 841 [2018-10-26 23:03:24,609 INFO L226 Difference]: Without dead ends: 832 [2018-10-26 23:03:24,610 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 23:03:24,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2018-10-26 23:03:24,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 828. [2018-10-26 23:03:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-10-26 23:03:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1093 transitions. [2018-10-26 23:03:24,653 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1093 transitions. Word has length 43 [2018-10-26 23:03:24,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:24,653 INFO L481 AbstractCegarLoop]: Abstraction has 828 states and 1093 transitions. [2018-10-26 23:03:24,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:03:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1093 transitions. [2018-10-26 23:03:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:03:24,655 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:24,656 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 23:03:24,656 INFO L424 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:24,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:24,656 INFO L82 PathProgramCache]: Analyzing trace with hash -119721373, now seen corresponding path program 1 times [2018-10-26 23:03:24,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:24,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:24,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:24,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:24,657 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:24,797 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 23:03:24,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:24,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:03:24,798 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:24,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:03:24,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:03:24,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:03:24,798 INFO L87 Difference]: Start difference. First operand 828 states and 1093 transitions. Second operand 5 states. [2018-10-26 23:03:24,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:24,919 INFO L93 Difference]: Finished difference Result 844 states and 1108 transitions. [2018-10-26 23:03:24,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:03:24,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-10-26 23:03:24,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:24,924 INFO L225 Difference]: With dead ends: 844 [2018-10-26 23:03:24,927 INFO L226 Difference]: Without dead ends: 826 [2018-10-26 23:03:24,928 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 23:03:24,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2018-10-26 23:03:24,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 826. [2018-10-26 23:03:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 826 states. [2018-10-26 23:03:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1089 transitions. [2018-10-26 23:03:24,975 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1089 transitions. Word has length 44 [2018-10-26 23:03:24,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:24,975 INFO L481 AbstractCegarLoop]: Abstraction has 826 states and 1089 transitions. [2018-10-26 23:03:24,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:03:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1089 transitions. [2018-10-26 23:03:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 23:03:24,978 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:24,978 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] [2018-10-26 23:03:24,979 INFO L424 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:24,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:24,979 INFO L82 PathProgramCache]: Analyzing trace with hash -561245068, now seen corresponding path program 1 times [2018-10-26 23:03:24,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:24,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:24,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:24,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:24,980 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:25,151 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 23:03:25,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:25,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:03:25,152 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:25,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:03:25,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:03:25,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:03:25,153 INFO L87 Difference]: Start difference. First operand 826 states and 1089 transitions. Second operand 4 states. [2018-10-26 23:03:25,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:25,984 INFO L93 Difference]: Finished difference Result 910 states and 1172 transitions. [2018-10-26 23:03:25,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:03:25,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2018-10-26 23:03:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:25,987 INFO L225 Difference]: With dead ends: 910 [2018-10-26 23:03:25,987 INFO L226 Difference]: Without dead ends: 573 [2018-10-26 23:03:25,988 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 23:03:25,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-10-26 23:03:26,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 536. [2018-10-26 23:03:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-10-26 23:03:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 680 transitions. [2018-10-26 23:03:26,023 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 680 transitions. Word has length 49 [2018-10-26 23:03:26,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:26,026 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 680 transitions. [2018-10-26 23:03:26,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:03:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 680 transitions. [2018-10-26 23:03:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 23:03:26,027 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:26,027 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 23:03:26,028 INFO L424 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:26,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:26,028 INFO L82 PathProgramCache]: Analyzing trace with hash -760515098, now seen corresponding path program 1 times [2018-10-26 23:03:26,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:26,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:26,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:26,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:26,034 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:26,141 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 23:03:26,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:26,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:26,142 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:26,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:26,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:26,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:26,143 INFO L87 Difference]: Start difference. First operand 536 states and 680 transitions. Second operand 3 states. [2018-10-26 23:03:26,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:26,444 INFO L93 Difference]: Finished difference Result 807 states and 1031 transitions. [2018-10-26 23:03:26,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:26,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-10-26 23:03:26,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:26,447 INFO L225 Difference]: With dead ends: 807 [2018-10-26 23:03:26,447 INFO L226 Difference]: Without dead ends: 544 [2018-10-26 23:03:26,448 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 23:03:26,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2018-10-26 23:03:26,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2018-10-26 23:03:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2018-10-26 23:03:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 691 transitions. [2018-10-26 23:03:26,475 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 691 transitions. Word has length 55 [2018-10-26 23:03:26,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:26,475 INFO L481 AbstractCegarLoop]: Abstraction has 544 states and 691 transitions. [2018-10-26 23:03:26,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 691 transitions. [2018-10-26 23:03:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 23:03:26,476 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:26,476 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] [2018-10-26 23:03:26,477 INFO L424 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:26,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:26,477 INFO L82 PathProgramCache]: Analyzing trace with hash 659995020, now seen corresponding path program 1 times [2018-10-26 23:03:26,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:26,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:26,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:26,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:26,481 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:26,564 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 23:03:26,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:26,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:26,564 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:26,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:26,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:26,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:26,565 INFO L87 Difference]: Start difference. First operand 544 states and 691 transitions. Second operand 3 states. [2018-10-26 23:03:26,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:26,727 INFO L93 Difference]: Finished difference Result 748 states and 966 transitions. [2018-10-26 23:03:26,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:26,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-10-26 23:03:26,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:26,730 INFO L225 Difference]: With dead ends: 748 [2018-10-26 23:03:26,730 INFO L226 Difference]: Without dead ends: 736 [2018-10-26 23:03:26,731 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 23:03:26,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-10-26 23:03:26,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 602. [2018-10-26 23:03:26,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-10-26 23:03:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 764 transitions. [2018-10-26 23:03:26,765 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 764 transitions. Word has length 52 [2018-10-26 23:03:26,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:26,766 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 764 transitions. [2018-10-26 23:03:26,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 764 transitions. [2018-10-26 23:03:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 23:03:26,768 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:26,768 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] [2018-10-26 23:03:26,768 INFO L424 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:26,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:26,769 INFO L82 PathProgramCache]: Analyzing trace with hash -562157012, now seen corresponding path program 1 times [2018-10-26 23:03:26,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:26,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:26,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:26,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:26,770 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:26,905 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 23:03:26,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:26,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 23:03:26,905 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:26,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 23:03:26,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 23:03:26,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 23:03:26,906 INFO L87 Difference]: Start difference. First operand 602 states and 764 transitions. Second operand 8 states. [2018-10-26 23:03:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:26,983 INFO L93 Difference]: Finished difference Result 1008 states and 1303 transitions. [2018-10-26 23:03:26,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:03:26,983 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-10-26 23:03:26,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:26,985 INFO L225 Difference]: With dead ends: 1008 [2018-10-26 23:03:26,985 INFO L226 Difference]: Without dead ends: 665 [2018-10-26 23:03:26,987 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 23:03:26,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2018-10-26 23:03:27,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 643. [2018-10-26 23:03:27,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2018-10-26 23:03:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 825 transitions. [2018-10-26 23:03:27,023 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 825 transitions. Word has length 53 [2018-10-26 23:03:27,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:27,023 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 825 transitions. [2018-10-26 23:03:27,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 23:03:27,023 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 825 transitions. [2018-10-26 23:03:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 23:03:27,024 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:27,024 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] [2018-10-26 23:03:27,025 INFO L424 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:27,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:27,025 INFO L82 PathProgramCache]: Analyzing trace with hash -561880182, now seen corresponding path program 1 times [2018-10-26 23:03:27,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:27,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:27,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:27,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:27,029 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:27,366 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 23:03:27,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:27,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 23:03:27,367 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:27,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 23:03:27,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 23:03:27,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 23:03:27,367 INFO L87 Difference]: Start difference. First operand 643 states and 825 transitions. Second operand 8 states. [2018-10-26 23:03:27,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:27,644 INFO L93 Difference]: Finished difference Result 673 states and 859 transitions. [2018-10-26 23:03:27,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:03:27,645 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-10-26 23:03:27,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:27,647 INFO L225 Difference]: With dead ends: 673 [2018-10-26 23:03:27,647 INFO L226 Difference]: Without dead ends: 657 [2018-10-26 23:03:27,648 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 23:03:27,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2018-10-26 23:03:27,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 649. [2018-10-26 23:03:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2018-10-26 23:03:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 830 transitions. [2018-10-26 23:03:27,687 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 830 transitions. Word has length 53 [2018-10-26 23:03:27,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:27,687 INFO L481 AbstractCegarLoop]: Abstraction has 649 states and 830 transitions. [2018-10-26 23:03:27,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 23:03:27,688 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 830 transitions. [2018-10-26 23:03:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 23:03:27,689 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:27,689 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 23:03:27,689 INFO L424 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:27,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:27,689 INFO L82 PathProgramCache]: Analyzing trace with hash -759362770, now seen corresponding path program 1 times [2018-10-26 23:03:27,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:27,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:27,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:27,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:27,694 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:27,800 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 23:03:27,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:27,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:03:27,801 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:27,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:03:27,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:03:27,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:03:27,801 INFO L87 Difference]: Start difference. First operand 649 states and 830 transitions. Second operand 5 states. [2018-10-26 23:03:27,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:27,859 INFO L93 Difference]: Finished difference Result 906 states and 1161 transitions. [2018-10-26 23:03:27,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:03:27,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2018-10-26 23:03:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:27,862 INFO L225 Difference]: With dead ends: 906 [2018-10-26 23:03:27,863 INFO L226 Difference]: Without dead ends: 630 [2018-10-26 23:03:27,863 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 23:03:27,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-10-26 23:03:27,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2018-10-26 23:03:27,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2018-10-26 23:03:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 800 transitions. [2018-10-26 23:03:27,900 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 800 transitions. Word has length 61 [2018-10-26 23:03:27,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:27,900 INFO L481 AbstractCegarLoop]: Abstraction has 630 states and 800 transitions. [2018-10-26 23:03:27,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:03:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 800 transitions. [2018-10-26 23:03:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 23:03:27,901 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:27,901 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 23:03:27,901 INFO L424 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:27,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:27,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1060664655, now seen corresponding path program 1 times [2018-10-26 23:03:27,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:27,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:27,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:27,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:27,905 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:27,991 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 23:03:27,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:27,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:27,992 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:27,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:27,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:27,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:27,992 INFO L87 Difference]: Start difference. First operand 630 states and 800 transitions. Second operand 3 states. [2018-10-26 23:03:28,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:28,309 INFO L93 Difference]: Finished difference Result 741 states and 940 transitions. [2018-10-26 23:03:28,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:28,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-10-26 23:03:28,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:28,314 INFO L225 Difference]: With dead ends: 741 [2018-10-26 23:03:28,314 INFO L226 Difference]: Without dead ends: 710 [2018-10-26 23:03:28,315 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 23:03:28,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-10-26 23:03:28,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 697. [2018-10-26 23:03:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-10-26 23:03:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 884 transitions. [2018-10-26 23:03:28,351 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 884 transitions. Word has length 54 [2018-10-26 23:03:28,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:28,351 INFO L481 AbstractCegarLoop]: Abstraction has 697 states and 884 transitions. [2018-10-26 23:03:28,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 884 transitions. [2018-10-26 23:03:28,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 23:03:28,352 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:28,352 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 23:03:28,353 INFO L424 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:28,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:28,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1203944013, now seen corresponding path program 1 times [2018-10-26 23:03:28,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:28,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:28,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:28,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:28,357 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:03:28,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:28,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 23:03:28,539 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:28,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:03:28,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:03:28,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:03:28,540 INFO L87 Difference]: Start difference. First operand 697 states and 884 transitions. Second operand 7 states. [2018-10-26 23:03:29,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:29,707 INFO L93 Difference]: Finished difference Result 735 states and 928 transitions. [2018-10-26 23:03:29,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 23:03:29,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2018-10-26 23:03:29,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:29,710 INFO L225 Difference]: With dead ends: 735 [2018-10-26 23:03:29,710 INFO L226 Difference]: Without dead ends: 622 [2018-10-26 23:03:29,710 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-10-26 23:03:29,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2018-10-26 23:03:29,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 600. [2018-10-26 23:03:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2018-10-26 23:03:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 753 transitions. [2018-10-26 23:03:29,745 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 753 transitions. Word has length 54 [2018-10-26 23:03:29,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:29,745 INFO L481 AbstractCegarLoop]: Abstraction has 600 states and 753 transitions. [2018-10-26 23:03:29,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:03:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 753 transitions. [2018-10-26 23:03:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 23:03:29,749 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:29,749 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 23:03:29,749 INFO L424 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:29,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:29,749 INFO L82 PathProgramCache]: Analyzing trace with hash 76078011, now seen corresponding path program 1 times [2018-10-26 23:03:29,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:29,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:29,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:29,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:29,750 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:29,876 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 23:03:29,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:29,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:03:29,876 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:29,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:03:29,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:03:29,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:03:29,877 INFO L87 Difference]: Start difference. First operand 600 states and 753 transitions. Second operand 9 states. [2018-10-26 23:03:31,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:31,037 INFO L93 Difference]: Finished difference Result 803 states and 1003 transitions. [2018-10-26 23:03:31,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 23:03:31,038 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2018-10-26 23:03:31,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:31,040 INFO L225 Difference]: With dead ends: 803 [2018-10-26 23:03:31,040 INFO L226 Difference]: Without dead ends: 720 [2018-10-26 23:03:31,040 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-10-26 23:03:31,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-10-26 23:03:31,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 607. [2018-10-26 23:03:31,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2018-10-26 23:03:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 754 transitions. [2018-10-26 23:03:31,081 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 754 transitions. Word has length 54 [2018-10-26 23:03:31,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:31,081 INFO L481 AbstractCegarLoop]: Abstraction has 607 states and 754 transitions. [2018-10-26 23:03:31,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:03:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 754 transitions. [2018-10-26 23:03:31,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 23:03:31,082 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:31,082 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] [2018-10-26 23:03:31,082 INFO L424 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:31,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:31,083 INFO L82 PathProgramCache]: Analyzing trace with hash 2008244432, now seen corresponding path program 1 times [2018-10-26 23:03:31,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:31,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:31,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:31,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:31,084 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:31,287 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 23:03:31,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:31,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:03:31,288 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:31,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:03:31,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:03:31,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:03:31,288 INFO L87 Difference]: Start difference. First operand 607 states and 754 transitions. Second operand 6 states. [2018-10-26 23:03:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:31,341 INFO L93 Difference]: Finished difference Result 628 states and 775 transitions. [2018-10-26 23:03:31,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:03:31,342 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-10-26 23:03:31,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:31,344 INFO L225 Difference]: With dead ends: 628 [2018-10-26 23:03:31,344 INFO L226 Difference]: Without dead ends: 604 [2018-10-26 23:03:31,344 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 23:03:31,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2018-10-26 23:03:31,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 602. [2018-10-26 23:03:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-10-26 23:03:31,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 747 transitions. [2018-10-26 23:03:31,387 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 747 transitions. Word has length 57 [2018-10-26 23:03:31,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:31,387 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 747 transitions. [2018-10-26 23:03:31,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:03:31,387 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 747 transitions. [2018-10-26 23:03:31,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 23:03:31,390 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:31,390 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] [2018-10-26 23:03:31,390 INFO L424 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:31,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:31,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1095501686, now seen corresponding path program 1 times [2018-10-26 23:03:31,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:31,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:31,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:31,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:31,392 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:31,493 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 23:03:31,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:31,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:03:31,493 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:31,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:03:31,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:03:31,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:03:31,494 INFO L87 Difference]: Start difference. First operand 602 states and 747 transitions. Second operand 5 states. [2018-10-26 23:03:31,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:31,751 INFO L93 Difference]: Finished difference Result 617 states and 762 transitions. [2018-10-26 23:03:31,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:03:31,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2018-10-26 23:03:31,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:31,756 INFO L225 Difference]: With dead ends: 617 [2018-10-26 23:03:31,756 INFO L226 Difference]: Without dead ends: 599 [2018-10-26 23:03:31,756 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:03:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2018-10-26 23:03:31,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 586. [2018-10-26 23:03:31,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-10-26 23:03:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 724 transitions. [2018-10-26 23:03:31,796 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 724 transitions. Word has length 56 [2018-10-26 23:03:31,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:31,796 INFO L481 AbstractCegarLoop]: Abstraction has 586 states and 724 transitions. [2018-10-26 23:03:31,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:03:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 724 transitions. [2018-10-26 23:03:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 23:03:31,797 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:31,797 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] [2018-10-26 23:03:31,798 INFO L424 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:31,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:31,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1716953909, now seen corresponding path program 1 times [2018-10-26 23:03:31,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:31,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:31,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:31,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:31,802 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:32,069 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 23:03:32,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:32,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:03:32,069 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:32,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:03:32,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:03:32,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:03:32,070 INFO L87 Difference]: Start difference. First operand 586 states and 724 transitions. Second operand 5 states. [2018-10-26 23:03:32,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:32,534 INFO L93 Difference]: Finished difference Result 847 states and 1055 transitions. [2018-10-26 23:03:32,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:03:32,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-10-26 23:03:32,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:32,537 INFO L225 Difference]: With dead ends: 847 [2018-10-26 23:03:32,537 INFO L226 Difference]: Without dead ends: 586 [2018-10-26 23:03:32,537 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:03:32,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2018-10-26 23:03:32,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2018-10-26 23:03:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-10-26 23:03:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 722 transitions. [2018-10-26 23:03:32,591 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 722 transitions. Word has length 65 [2018-10-26 23:03:32,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:32,591 INFO L481 AbstractCegarLoop]: Abstraction has 586 states and 722 transitions. [2018-10-26 23:03:32,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:03:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 722 transitions. [2018-10-26 23:03:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 23:03:32,592 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:32,593 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] [2018-10-26 23:03:32,593 INFO L424 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:32,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:32,593 INFO L82 PathProgramCache]: Analyzing trace with hash -127839313, now seen corresponding path program 1 times [2018-10-26 23:03:32,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:32,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:32,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:32,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:32,598 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:32,672 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 23:03:32,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:32,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:32,672 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:32,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:32,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:32,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:32,673 INFO L87 Difference]: Start difference. First operand 586 states and 722 transitions. Second operand 3 states. [2018-10-26 23:03:32,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:32,875 INFO L93 Difference]: Finished difference Result 619 states and 760 transitions. [2018-10-26 23:03:32,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:32,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-10-26 23:03:32,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:32,879 INFO L225 Difference]: With dead ends: 619 [2018-10-26 23:03:32,879 INFO L226 Difference]: Without dead ends: 588 [2018-10-26 23:03:32,880 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 23:03:32,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2018-10-26 23:03:32,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 584. [2018-10-26 23:03:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2018-10-26 23:03:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 712 transitions. [2018-10-26 23:03:32,917 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 712 transitions. Word has length 59 [2018-10-26 23:03:32,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:32,917 INFO L481 AbstractCegarLoop]: Abstraction has 584 states and 712 transitions. [2018-10-26 23:03:32,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 712 transitions. [2018-10-26 23:03:32,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 23:03:32,922 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:32,922 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 23:03:32,922 INFO L424 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:32,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:32,923 INFO L82 PathProgramCache]: Analyzing trace with hash 611830819, now seen corresponding path program 1 times [2018-10-26 23:03:32,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:32,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:32,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:32,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:32,925 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:33,008 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 23:03:33,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:33,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:03:33,008 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:33,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:03:33,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:03:33,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:03:33,009 INFO L87 Difference]: Start difference. First operand 584 states and 712 transitions. Second operand 3 states. [2018-10-26 23:03:33,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:33,209 INFO L93 Difference]: Finished difference Result 871 states and 1079 transitions. [2018-10-26 23:03:33,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:03:33,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-10-26 23:03:33,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:33,212 INFO L225 Difference]: With dead ends: 871 [2018-10-26 23:03:33,212 INFO L226 Difference]: Without dead ends: 610 [2018-10-26 23:03:33,213 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 23:03:33,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2018-10-26 23:03:33,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 584. [2018-10-26 23:03:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2018-10-26 23:03:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 712 transitions. [2018-10-26 23:03:33,253 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 712 transitions. Word has length 68 [2018-10-26 23:03:33,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:33,253 INFO L481 AbstractCegarLoop]: Abstraction has 584 states and 712 transitions. [2018-10-26 23:03:33,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:03:33,253 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 712 transitions. [2018-10-26 23:03:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 23:03:33,259 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:33,259 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 23:03:33,259 INFO L424 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:33,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:33,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1689101213, now seen corresponding path program 1 times [2018-10-26 23:03:33,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:33,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:33,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:33,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:33,262 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:33,572 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 23:03:33,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:33,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:03:33,572 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:33,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:03:33,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:03:33,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:03:33,573 INFO L87 Difference]: Start difference. First operand 584 states and 712 transitions. Second operand 6 states. [2018-10-26 23:03:33,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:33,659 INFO L93 Difference]: Finished difference Result 839 states and 1033 transitions. [2018-10-26 23:03:33,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:03:33,660 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2018-10-26 23:03:33,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:33,662 INFO L225 Difference]: With dead ends: 839 [2018-10-26 23:03:33,662 INFO L226 Difference]: Without dead ends: 611 [2018-10-26 23:03:33,663 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 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 23:03:33,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2018-10-26 23:03:33,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 584. [2018-10-26 23:03:33,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2018-10-26 23:03:33,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 710 transitions. [2018-10-26 23:03:33,694 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 710 transitions. Word has length 68 [2018-10-26 23:03:33,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:33,694 INFO L481 AbstractCegarLoop]: Abstraction has 584 states and 710 transitions. [2018-10-26 23:03:33,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:03:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 710 transitions. [2018-10-26 23:03:33,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 23:03:33,695 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:33,695 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 23:03:33,696 INFO L424 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:33,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:33,696 INFO L82 PathProgramCache]: Analyzing trace with hash 210369911, now seen corresponding path program 1 times [2018-10-26 23:03:33,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:33,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:33,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:33,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:33,696 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:33,954 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 23:03:33,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:33,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:03:33,954 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:33,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:03:33,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:03:33,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:03:33,955 INFO L87 Difference]: Start difference. First operand 584 states and 710 transitions. Second operand 9 states. [2018-10-26 23:03:34,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:34,198 INFO L93 Difference]: Finished difference Result 601 states and 727 transitions. [2018-10-26 23:03:34,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 23:03:34,199 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2018-10-26 23:03:34,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:34,200 INFO L225 Difference]: With dead ends: 601 [2018-10-26 23:03:34,200 INFO L226 Difference]: Without dead ends: 580 [2018-10-26 23:03:34,201 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 23:03:34,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2018-10-26 23:03:34,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2018-10-26 23:03:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2018-10-26 23:03:34,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 704 transitions. [2018-10-26 23:03:34,237 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 704 transitions. Word has length 60 [2018-10-26 23:03:34,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:34,238 INFO L481 AbstractCegarLoop]: Abstraction has 580 states and 704 transitions. [2018-10-26 23:03:34,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:03:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 704 transitions. [2018-10-26 23:03:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 23:03:34,240 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:34,240 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 23:03:34,241 INFO L424 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:34,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:34,241 INFO L82 PathProgramCache]: Analyzing trace with hash 375915857, now seen corresponding path program 1 times [2018-10-26 23:03:34,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:34,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:34,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:34,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:34,244 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:34,369 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 23:03:34,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:34,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:03:34,369 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:34,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:03:34,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:03:34,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:03:34,370 INFO L87 Difference]: Start difference. First operand 580 states and 704 transitions. Second operand 5 states. [2018-10-26 23:03:34,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:34,407 INFO L93 Difference]: Finished difference Result 590 states and 714 transitions. [2018-10-26 23:03:34,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:03:34,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2018-10-26 23:03:34,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:34,412 INFO L225 Difference]: With dead ends: 590 [2018-10-26 23:03:34,412 INFO L226 Difference]: Without dead ends: 565 [2018-10-26 23:03:34,412 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 23:03:34,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-10-26 23:03:34,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 560. [2018-10-26 23:03:34,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2018-10-26 23:03:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 682 transitions. [2018-10-26 23:03:34,448 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 682 transitions. Word has length 61 [2018-10-26 23:03:34,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:34,448 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 682 transitions. [2018-10-26 23:03:34,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:03:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 682 transitions. [2018-10-26 23:03:34,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 23:03:34,449 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:34,449 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 23:03:34,450 INFO L424 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:34,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:34,450 INFO L82 PathProgramCache]: Analyzing trace with hash -492790529, now seen corresponding path program 1 times [2018-10-26 23:03:34,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:34,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:34,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:34,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:34,451 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:35,072 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 23:03:35,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:35,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:03:35,072 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:35,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:03:35,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:03:35,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:03:35,073 INFO L87 Difference]: Start difference. First operand 560 states and 682 transitions. Second operand 9 states. [2018-10-26 23:03:35,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:35,204 INFO L93 Difference]: Finished difference Result 577 states and 699 transitions. [2018-10-26 23:03:35,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 23:03:35,205 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2018-10-26 23:03:35,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:35,207 INFO L225 Difference]: With dead ends: 577 [2018-10-26 23:03:35,207 INFO L226 Difference]: Without dead ends: 555 [2018-10-26 23:03:35,207 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-26 23:03:35,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2018-10-26 23:03:35,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2018-10-26 23:03:35,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-10-26 23:03:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 675 transitions. [2018-10-26 23:03:35,232 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 675 transitions. Word has length 61 [2018-10-26 23:03:35,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:35,232 INFO L481 AbstractCegarLoop]: Abstraction has 555 states and 675 transitions. [2018-10-26 23:03:35,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:03:35,232 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 675 transitions. [2018-10-26 23:03:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 23:03:35,233 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:35,234 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 23:03:35,234 INFO L424 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:35,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:35,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1422901999, now seen corresponding path program 1 times [2018-10-26 23:03:35,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:35,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:35,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:35,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:35,235 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:35,394 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 23:03:35,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:35,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:03:35,394 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:35,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:03:35,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:03:35,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:03:35,395 INFO L87 Difference]: Start difference. First operand 555 states and 675 transitions. Second operand 9 states. [2018-10-26 23:03:35,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:35,647 INFO L93 Difference]: Finished difference Result 572 states and 692 transitions. [2018-10-26 23:03:35,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 23:03:35,648 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2018-10-26 23:03:35,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:35,649 INFO L225 Difference]: With dead ends: 572 [2018-10-26 23:03:35,649 INFO L226 Difference]: Without dead ends: 551 [2018-10-26 23:03:35,650 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 23:03:35,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2018-10-26 23:03:35,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2018-10-26 23:03:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2018-10-26 23:03:35,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 669 transitions. [2018-10-26 23:03:35,672 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 669 transitions. Word has length 61 [2018-10-26 23:03:35,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:35,672 INFO L481 AbstractCegarLoop]: Abstraction has 551 states and 669 transitions. [2018-10-26 23:03:35,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:03:35,672 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 669 transitions. [2018-10-26 23:03:35,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:03:35,673 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:35,673 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] [2018-10-26 23:03:35,673 INFO L424 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:35,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:35,673 INFO L82 PathProgramCache]: Analyzing trace with hash -601260123, now seen corresponding path program 1 times [2018-10-26 23:03:35,674 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:35,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:35,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:35,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:35,674 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:36,025 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 5 [2018-10-26 23:03:36,043 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 23:03:36,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:36,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:03:36,043 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:36,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:03:36,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:03:36,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:03:36,044 INFO L87 Difference]: Start difference. First operand 551 states and 669 transitions. Second operand 5 states. [2018-10-26 23:03:36,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:36,759 INFO L93 Difference]: Finished difference Result 911 states and 1119 transitions. [2018-10-26 23:03:36,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:03:36,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-10-26 23:03:36,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:36,762 INFO L225 Difference]: With dead ends: 911 [2018-10-26 23:03:36,762 INFO L226 Difference]: Without dead ends: 656 [2018-10-26 23:03:36,763 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-26 23:03:36,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2018-10-26 23:03:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 626. [2018-10-26 23:03:36,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-10-26 23:03:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 764 transitions. [2018-10-26 23:03:36,808 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 764 transitions. Word has length 67 [2018-10-26 23:03:36,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:36,809 INFO L481 AbstractCegarLoop]: Abstraction has 626 states and 764 transitions. [2018-10-26 23:03:36,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:03:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 764 transitions. [2018-10-26 23:03:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 23:03:36,813 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:36,813 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] [2018-10-26 23:03:36,813 INFO L424 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:36,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:36,813 INFO L82 PathProgramCache]: Analyzing trace with hash 147711040, now seen corresponding path program 1 times [2018-10-26 23:03:36,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:36,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:36,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:36,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:36,814 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:37,394 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 23:03:37,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:37,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:03:37,394 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:37,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:03:37,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:03:37,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:03:37,395 INFO L87 Difference]: Start difference. First operand 626 states and 764 transitions. Second operand 9 states. [2018-10-26 23:03:37,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:37,507 INFO L93 Difference]: Finished difference Result 643 states and 781 transitions. [2018-10-26 23:03:37,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 23:03:37,508 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2018-10-26 23:03:37,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:37,509 INFO L225 Difference]: With dead ends: 643 [2018-10-26 23:03:37,509 INFO L226 Difference]: Without dead ends: 600 [2018-10-26 23:03:37,510 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 23:03:37,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-10-26 23:03:37,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2018-10-26 23:03:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2018-10-26 23:03:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 732 transitions. [2018-10-26 23:03:37,539 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 732 transitions. Word has length 65 [2018-10-26 23:03:37,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:37,539 INFO L481 AbstractCegarLoop]: Abstraction has 600 states and 732 transitions. [2018-10-26 23:03:37,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:03:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 732 transitions. [2018-10-26 23:03:37,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 23:03:37,540 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:37,540 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] [2018-10-26 23:03:37,540 INFO L424 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:37,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:37,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1359349187, now seen corresponding path program 1 times [2018-10-26 23:03:37,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:37,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:37,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:37,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:37,541 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:37,807 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 23:03:37,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:37,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:03:37,808 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:37,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:03:37,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:03:37,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:03:37,808 INFO L87 Difference]: Start difference. First operand 600 states and 732 transitions. Second operand 6 states. [2018-10-26 23:03:38,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:38,720 INFO L93 Difference]: Finished difference Result 907 states and 1113 transitions. [2018-10-26 23:03:38,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 23:03:38,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-10-26 23:03:38,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:38,723 INFO L225 Difference]: With dead ends: 907 [2018-10-26 23:03:38,723 INFO L226 Difference]: Without dead ends: 595 [2018-10-26 23:03:38,724 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-10-26 23:03:38,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2018-10-26 23:03:38,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 584. [2018-10-26 23:03:38,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2018-10-26 23:03:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 707 transitions. [2018-10-26 23:03:38,767 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 707 transitions. Word has length 79 [2018-10-26 23:03:38,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:38,768 INFO L481 AbstractCegarLoop]: Abstraction has 584 states and 707 transitions. [2018-10-26 23:03:38,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:03:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 707 transitions. [2018-10-26 23:03:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 23:03:38,769 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:38,769 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] [2018-10-26 23:03:38,769 INFO L424 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:38,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:38,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1127034356, now seen corresponding path program 1 times [2018-10-26 23:03:38,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:38,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:38,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:38,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:38,775 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:39,236 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 3 [2018-10-26 23:03:39,370 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 23:03:39,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:39,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:03:39,370 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:39,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:03:39,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:03:39,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:03:39,371 INFO L87 Difference]: Start difference. First operand 584 states and 707 transitions. Second operand 6 states. [2018-10-26 23:03:39,710 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-10-26 23:03:39,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:39,834 INFO L93 Difference]: Finished difference Result 907 states and 1125 transitions. [2018-10-26 23:03:39,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:03:39,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-10-26 23:03:39,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:39,837 INFO L225 Difference]: With dead ends: 907 [2018-10-26 23:03:39,837 INFO L226 Difference]: Without dead ends: 650 [2018-10-26 23:03:39,837 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:03:39,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2018-10-26 23:03:39,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 550. [2018-10-26 23:03:39,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2018-10-26 23:03:39,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 663 transitions. [2018-10-26 23:03:39,877 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 663 transitions. Word has length 80 [2018-10-26 23:03:39,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:39,877 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 663 transitions. [2018-10-26 23:03:39,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:03:39,878 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 663 transitions. [2018-10-26 23:03:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-26 23:03:39,881 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:39,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:03:39,882 INFO L424 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:39,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:39,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1451480143, now seen corresponding path program 1 times [2018-10-26 23:03:39,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:39,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:39,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:39,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:39,883 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:40,149 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 23:03:40,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:40,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:03:40,150 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:40,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:03:40,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:03:40,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:03:40,155 INFO L87 Difference]: Start difference. First operand 550 states and 663 transitions. Second operand 5 states. [2018-10-26 23:03:40,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:40,802 INFO L93 Difference]: Finished difference Result 996 states and 1177 transitions. [2018-10-26 23:03:40,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:03:40,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-10-26 23:03:40,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:40,805 INFO L225 Difference]: With dead ends: 996 [2018-10-26 23:03:40,805 INFO L226 Difference]: Without dead ends: 613 [2018-10-26 23:03:40,806 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 23:03:40,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2018-10-26 23:03:40,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 590. [2018-10-26 23:03:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2018-10-26 23:03:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 698 transitions. [2018-10-26 23:03:40,852 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 698 transitions. Word has length 75 [2018-10-26 23:03:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:40,853 INFO L481 AbstractCegarLoop]: Abstraction has 590 states and 698 transitions. [2018-10-26 23:03:40,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:03:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 698 transitions. [2018-10-26 23:03:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 23:03:40,854 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:40,854 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 23:03:40,854 INFO L424 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:40,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:40,854 INFO L82 PathProgramCache]: Analyzing trace with hash -797049388, now seen corresponding path program 1 times [2018-10-26 23:03:40,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:40,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:40,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:40,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:40,855 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:41,506 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 23:03:41,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:41,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:03:41,507 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:41,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:03:41,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:03:41,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:03:41,507 INFO L87 Difference]: Start difference. First operand 590 states and 698 transitions. Second operand 9 states. [2018-10-26 23:03:41,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:41,624 INFO L93 Difference]: Finished difference Result 592 states and 699 transitions. [2018-10-26 23:03:41,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 23:03:41,625 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2018-10-26 23:03:41,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:41,626 INFO L225 Difference]: With dead ends: 592 [2018-10-26 23:03:41,627 INFO L226 Difference]: Without dead ends: 537 [2018-10-26 23:03:41,627 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-26 23:03:41,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-10-26 23:03:41,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2018-10-26 23:03:41,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2018-10-26 23:03:41,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 636 transitions. [2018-10-26 23:03:41,656 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 636 transitions. Word has length 78 [2018-10-26 23:03:41,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:41,656 INFO L481 AbstractCegarLoop]: Abstraction has 537 states and 636 transitions. [2018-10-26 23:03:41,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:03:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 636 transitions. [2018-10-26 23:03:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 23:03:41,658 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:41,658 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 23:03:41,658 INFO L424 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:41,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:41,658 INFO L82 PathProgramCache]: Analyzing trace with hash 990956531, now seen corresponding path program 1 times [2018-10-26 23:03:41,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:41,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:41,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:41,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:41,659 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:41,760 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 23:03:41,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:41,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:03:41,761 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:03:41,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:03:41,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:03:41,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:03:41,762 INFO L87 Difference]: Start difference. First operand 537 states and 636 transitions. Second operand 9 states. [2018-10-26 23:03:41,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:41,846 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2018-10-26 23:03:41,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 23:03:41,846 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2018-10-26 23:03:41,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:41,848 INFO L225 Difference]: With dead ends: 564 [2018-10-26 23:03:41,848 INFO L226 Difference]: Without dead ends: 543 [2018-10-26 23:03:41,849 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-10-26 23:03:41,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2018-10-26 23:03:41,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 537. [2018-10-26 23:03:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2018-10-26 23:03:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 635 transitions. [2018-10-26 23:03:41,887 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 635 transitions. Word has length 85 [2018-10-26 23:03:41,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:41,888 INFO L481 AbstractCegarLoop]: Abstraction has 537 states and 635 transitions. [2018-10-26 23:03:41,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:03:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 635 transitions. [2018-10-26 23:03:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 23:03:41,889 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:41,889 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 23:03:41,889 INFO L424 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:41,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:41,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1469832567, now seen corresponding path program 1 times [2018-10-26 23:03:41,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:03:41,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:41,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:41,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:03:41,890 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:03:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:03:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:03:41,967 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 23:03:42,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:03:42 BoogieIcfgContainer [2018-10-26 23:03:42,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:03:42,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:03:42,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:03:42,080 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:03:42,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:03:13" (3/4) ... [2018-10-26 23:03:42,086 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 23:03:42,257 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e3afb1a-be95-4540-8e9b-7ac002dbd149/bin-2019/utaipan/witness.graphml [2018-10-26 23:03:42,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:03:42,262 INFO L168 Benchmark]: Toolchain (without parser) took 30861.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 289.4 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 154.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:03:42,262 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:03:42,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.47 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 936.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:03:42,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.83 ms. Allocated memory is still 1.0 GB. Free memory was 936.5 MB in the beginning and 933.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:03:42,263 INFO L168 Benchmark]: Boogie Preprocessor took 126.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 933.8 MB in the beginning and 1.1 GB in the end (delta: -215.4 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:03:42,263 INFO L168 Benchmark]: RCFGBuilder took 1803.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:03:42,263 INFO L168 Benchmark]: TraceAbstraction took 28339.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -60.3 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:03:42,263 INFO L168 Benchmark]: Witness Printer took 180.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:03:42,269 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 376.47 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 936.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.83 ms. Allocated memory is still 1.0 GB. Free memory was 936.5 MB in the beginning and 933.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 126.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 933.8 MB in the beginning and 1.1 GB in the end (delta: -215.4 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1803.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28339.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -60.3 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. * Witness Printer took 180.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 64]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L35] int FloppyThread ; [L36] int KernelMode ; [L37] int Suspended ; [L38] int Executive ; [L39] int DiskController ; [L40] int FloppyDiskPeripheral ; [L41] int FlConfigCallBack ; [L42] int MaximumInterfaceType ; [L43] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L44] int myStatus ; [L45] int s ; [L46] int UNLOADED ; [L47] int NP ; [L48] int DC ; [L49] int SKIP1 ; [L50] int SKIP2 ; [L51] int MPR1 ; [L52] int MPR3 ; [L53] int IPC ; [L54] int pended ; [L55] int compRegistered ; [L56] int lowerDriverReturn ; [L57] int setEventCalled ; [L58] int customIrp ; [L90] int PagingReferenceCount = 0; [L91] 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] [L670] int status ; [L671] int irp = __VERIFIER_nondet_int() ; [L672] int pirp ; [L673] int pirp__IoStatus__Status ; [L674] int irp_choice = __VERIFIER_nondet_int() ; [L675] int devobj = __VERIFIER_nondet_int() ; [L676] int __cil_tmp8 ; [L678] FloppyThread = 0 [L679] KernelMode = 0 [L680] Suspended = 0 [L681] Executive = 0 [L682] DiskController = 0 [L683] FloppyDiskPeripheral = 0 [L684] FlConfigCallBack = 0 [L685] MaximumInterfaceType = 0 [L686] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L687] myStatus = 0 [L688] s = 0 [L689] UNLOADED = 0 [L690] NP = 0 [L691] DC = 0 [L692] SKIP1 = 0 [L693] SKIP2 = 0 [L694] MPR1 = 0 [L695] MPR3 = 0 [L696] IPC = 0 [L697] pended = 0 [L698] compRegistered = 0 [L699] lowerDriverReturn = 0 [L700] setEventCalled = 0 [L701] customIrp = 0 [L705] status = 0 [L706] 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] [L707] 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] [L73] UNLOADED = 0 [L74] NP = 1 [L75] DC = 2 [L76] SKIP1 = 3 [L77] SKIP2 = 4 [L78] MPR1 = 5 [L79] MPR3 = 6 [L80] IPC = 7 [L81] s = UNLOADED [L82] pended = 0 [L83] compRegistered = 0 [L84] lowerDriverReturn = 0 [L85] setEventCalled = 0 [L86] 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] [L707] _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] [L709] COND TRUE status >= 0 [L710] s = NP [L711] customIrp = 0 [L712] setEventCalled = customIrp [L713] lowerDriverReturn = setEventCalled [L714] compRegistered = lowerDriverReturn [L715] pended = compRegistered [L716] pirp__IoStatus__Status = 0 [L717] 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] [L718] COND TRUE irp_choice == 0 [L719] pirp__IoStatus__Status = -1073741637 [L720] 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] [L723] 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] [L660] s = NP [L661] pended = 0 [L662] compRegistered = 0 [L663] lowerDriverReturn = 0 [L664] setEventCalled = 0 [L665] 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] [L723] 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] [L726] COND FALSE !(status < 0) [L730] int tmp_ndt_1; [L731] tmp_ndt_1 = __VERIFIER_nondet_int() [L732] COND TRUE tmp_ndt_1 == 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=3, UNLOADED=0] [L739] 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] [L163] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L164] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L165] int Irp__IoStatus__Information ; [L166] int Irp__IoStatus__Status ; [L167] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L168] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L169] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L170] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L171] int disketteExtension__HoldNewRequests ; [L172] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L173] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L174] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L175] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L176] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L177] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L178] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L179] int irpSp ; [L180] int disketteExtension ; [L181] int ntStatus ; [L182] int doneEvent = __VERIFIER_nondet_int() ; [L183] int irpSp___0 ; [L184] int nextIrpSp ; [L185] int nextIrpSp__Control ; [L186] int irpSp___1 ; [L187] int irpSp__Context ; [L188] int irpSp__Control ; [L189] long __cil_tmp29 ; [L190] long __cil_tmp30 ; [L193] ntStatus = 0 [L194] 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=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__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] 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=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__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] [L198] disketteExtension = DeviceObject__DeviceExtension [L199] 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=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] [L200] 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=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] [L209] 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=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] [L212] 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=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] [L238] 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=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] [L241] COND FALSE !(! disketteExtension__IsStarted) [L257] 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=1, 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] [L258] 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] [L100] int status ; [L101] int threadHandle = __VERIFIER_nondet_int() ; [L102] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L103] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L104] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L105] int Irp__IoStatus__Status ; [L106] int Irp__IoStatus__Information ; [L107] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L108] int ObjAttributes = __VERIFIER_nondet_int() ; [L109] int __cil_tmp12 ; [L110] 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=-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] [L113] COND FALSE !(DisketteExtension__PoweringDown == 1) [L119] 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=-1, 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] [L120] 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=-1, 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] [L152] COND TRUE pended == 0 [L153] 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=-1, 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] [L159] 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=-1, 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] [L258] 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=1, 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] [L258] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L261] __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=1, 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] [L262] 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=1, 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] [L264-L265] 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)=1, \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] [L1035] 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)=1, \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=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1044] 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)=1, \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=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1048] 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)=1, \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=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1055] int tmp_ndt_8; [L1056] tmp_ndt_8 = __VERIFIER_nondet_int() [L1057] COND TRUE tmp_ndt_8 == 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)=1, \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=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_8=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1063] RET return (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)=1, \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=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=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_8=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L264-L265] 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=1, 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)=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] COND TRUE 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=1, 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] [L270] disketteExtension__FloppyThread = 0 [L271] Irp__IoStatus__Status = 0 [L272] 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] [L273] COND TRUE s == NP [L274] 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] [L281] Irp__CurrentLocation ++ [L282] 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] [L283] 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] [L937] int returnVal2 ; [L938] int compRetStatus1 ; [L939] int lcontext = __VERIFIER_nondet_int() ; [L940] 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] [L943] 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] [L956] int tmp_ndt_12; [L957] tmp_ndt_12 = __VERIFIER_nondet_int() [L958] COND TRUE tmp_ndt_12 == 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_12=0, UNLOADED=0] [L969] 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_12=0, UNLOADED=0] [L982] 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_12=0, UNLOADED=0] [L986] 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_12=0, UNLOADED=0] [L995] COND TRUE s == SKIP1 [L996] s = SKIP2 [L997] 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_12=0, UNLOADED=0] [L1005] 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_12=0, UNLOADED=0] [L283] 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] [L283] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L429] 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] [L430] 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] [L433] 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] [L739] 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=3, UNLOADED=0] [L739] status = FloppyPnp(devobj, pirp) [L749] 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=3, UNLOADED=0] [L750] 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=3, UNLOADED=0] [L757] 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=3, UNLOADED=0] [L758] 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=3, UNLOADED=0] [L765] 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=3, UNLOADED=0] [L766] 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=3, UNLOADED=0] [L767] 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=3, UNLOADED=0] [L781] 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=3, UNLOADED=0] [L782] 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=3, UNLOADED=0] [L783] 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] [L64] __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 25 procedures, 327 locations, 1 error locations. UNSAFE Result, 28.2s OverallTime, 38 OverallIterations, 1 TraceHistogramMax, 17.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13977 SDtfs, 8152 SDslu, 33347 SDs, 0 SdLazy, 5914 SolverSat, 1512 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 94 SyntacticMatches, 11 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=837occurred in iteration=7, 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: 1.4s AutomataMinimizationTime, 37 MinimizatonAttempts, 1132 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 2117 NumberOfCodeBlocks, 2117 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1998 ConstructedInterpolants, 0 QuantifiedInterpolants, 216243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 37 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...