./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/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 d90cbad8cb6ced9c4f7ef95245e13f326de4004d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:11:35,911 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:11:35,912 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:11:35,922 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:11:35,922 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:11:35,923 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:11:35,924 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:11:35,925 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:11:35,927 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:11:35,927 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:11:35,928 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:11:35,928 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:11:35,929 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:11:35,930 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:11:35,931 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:11:35,931 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:11:35,932 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:11:35,933 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:11:35,935 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:11:35,936 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:11:35,937 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:11:35,938 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:11:35,940 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:11:35,940 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:11:35,940 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:11:35,941 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:11:35,941 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:11:35,942 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:11:35,943 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:11:35,944 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:11:35,944 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:11:35,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:11:35,944 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:11:35,945 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:11:35,945 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:11:35,946 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:11:35,946 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 12:11:35,957 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:11:35,957 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:11:35,958 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:11:35,958 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:11:35,958 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:11:35,958 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:11:35,959 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:11:35,959 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:11:35,959 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:11:35,959 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:11:35,959 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:11:35,960 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:11:35,960 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:11:35,960 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:11:35,960 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:11:35,960 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:11:35,960 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:11:35,961 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:11:35,961 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:11:35,961 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:11:35,961 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:11:35,961 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:11:35,961 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:11:35,961 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:11:35,962 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:11:35,962 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:11:35,962 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:11:35,962 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:11:35,962 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:11:35,962 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:11:35,962 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:11:35,963 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:11:35,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:11:35,963 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:11:35,963 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_0268850b-f0d4-46c4-9187-640ed894ae24/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 -> d90cbad8cb6ced9c4f7ef95245e13f326de4004d [2018-11-10 12:11:35,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:11:36,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:11:36,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:11:36,005 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:11:36,005 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:11:36,006 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-10 12:11:36,049 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/data/35b8ef927/15ff2525e3ae44ae8a05923d0d0f6839/FLAG1a40fde0c [2018-11-10 12:11:36,495 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:11:36,496 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-10 12:11:36,508 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/data/35b8ef927/15ff2525e3ae44ae8a05923d0d0f6839/FLAG1a40fde0c [2018-11-10 12:11:36,520 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/data/35b8ef927/15ff2525e3ae44ae8a05923d0d0f6839 [2018-11-10 12:11:36,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:11:36,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:11:36,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:11:36,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:11:36,527 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:11:36,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1834658c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36, skipping insertion in model container [2018-11-10 12:11:36,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:11:36,566 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:11:36,772 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:11:36,775 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:11:36,843 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:11:36,860 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:11:36,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36 WrapperNode [2018-11-10 12:11:36,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:11:36,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:11:36,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:11:36,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:11:36,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:11:36,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:11:36,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:11:36,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:11:36,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (1/1) ... [2018-11-10 12:11:36,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:11:36,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:11:36,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:11:36,966 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:11:36,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/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 [2018-11-10 12:11:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-11-10 12:11:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-11-10 12:11:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-10 12:11:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-10 12:11:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-11-10 12:11:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-11-10 12:11:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-11-10 12:11:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-11-10 12:11:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:11:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:11:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-11-10 12:11:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-11-10 12:11:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-10 12:11:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-10 12:11:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-11-10 12:11:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-11-10 12:11:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-10 12:11:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-10 12:11:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-10 12:11:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-10 12:11:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-11-10 12:11:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-11-10 12:11:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-11-10 12:11:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-11-10 12:11:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-11-10 12:11:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-11-10 12:11:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-11-10 12:11:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-11-10 12:11:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-10 12:11:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-10 12:11:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-10 12:11:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-10 12:11:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-10 12:11:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-10 12:11:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-11-10 12:11:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-11-10 12:11:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-10 12:11:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-10 12:11:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-11-10 12:11:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-11-10 12:11:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-11-10 12:11:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-11-10 12:11:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:11:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:11:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-11-10 12:11:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-11-10 12:11:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-11-10 12:11:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-11-10 12:11:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-11-10 12:11:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-11-10 12:11:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:11:37,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:11:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-11-10 12:11:37,024 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-11-10 12:11:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-11-10 12:11:37,024 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-11-10 12:11:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-10 12:11:37,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-10 12:11:37,221 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,221 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,255 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,255 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,262 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,262 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,369 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,369 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,466 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,466 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,482 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,482 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,538 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,539 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,544 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,544 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,619 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,619 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,640 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,640 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,765 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,765 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,768 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,769 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,780 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 12:11:37,780 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 12:11:37,794 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:11:37,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:11:37 BoogieIcfgContainer [2018-11-10 12:11:37,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:11:37,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:11:37,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:11:37,797 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:11:37,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:11:36" (1/3) ... [2018-11-10 12:11:37,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b82f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:11:37, skipping insertion in model container [2018-11-10 12:11:37,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:36" (2/3) ... [2018-11-10 12:11:37,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b82f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:11:37, skipping insertion in model container [2018-11-10 12:11:37,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:11:37" (3/3) ... [2018-11-10 12:11:37,800 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-10 12:11:37,807 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:11:37,813 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:11:37,822 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:11:37,847 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:11:37,847 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:11:37,847 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:11:37,847 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:11:37,847 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:11:37,847 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:11:37,848 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:11:37,848 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:11:37,868 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states. [2018-11-10 12:11:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 12:11:37,873 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:37,874 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:37,875 INFO L424 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:37,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:37,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1363723798, now seen corresponding path program 1 times [2018-11-10 12:11:37,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:37,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:37,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:37,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:37,912 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:38,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:38,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:38,035 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:38,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:38,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:38,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:38,047 INFO L87 Difference]: Start difference. First operand 391 states. Second operand 3 states. [2018-11-10 12:11:38,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:38,142 INFO L93 Difference]: Finished difference Result 628 states and 915 transitions. [2018-11-10 12:11:38,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:38,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-10 12:11:38,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:38,156 INFO L225 Difference]: With dead ends: 628 [2018-11-10 12:11:38,157 INFO L226 Difference]: Without dead ends: 383 [2018-11-10 12:11:38,160 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 [2018-11-10 12:11:38,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-11-10 12:11:38,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2018-11-10 12:11:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-10 12:11:38,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 527 transitions. [2018-11-10 12:11:38,208 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 527 transitions. Word has length 20 [2018-11-10 12:11:38,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:38,209 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 527 transitions. [2018-11-10 12:11:38,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 527 transitions. [2018-11-10 12:11:38,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 12:11:38,210 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:38,210 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:38,211 INFO L424 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:38,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:38,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1818717485, now seen corresponding path program 1 times [2018-11-10 12:11:38,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:38,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:38,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,212 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:38,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:38,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:38,311 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:38,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:38,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:38,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:38,313 INFO L87 Difference]: Start difference. First operand 383 states and 527 transitions. Second operand 3 states. [2018-11-10 12:11:38,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:38,479 INFO L93 Difference]: Finished difference Result 708 states and 962 transitions. [2018-11-10 12:11:38,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:38,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-10 12:11:38,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:38,483 INFO L225 Difference]: With dead ends: 708 [2018-11-10 12:11:38,483 INFO L226 Difference]: Without dead ends: 542 [2018-11-10 12:11:38,485 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:38,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-11-10 12:11:38,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 523. [2018-11-10 12:11:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-11-10 12:11:38,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 711 transitions. [2018-11-10 12:11:38,521 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 711 transitions. Word has length 25 [2018-11-10 12:11:38,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:38,521 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 711 transitions. [2018-11-10 12:11:38,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:38,521 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 711 transitions. [2018-11-10 12:11:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 12:11:38,522 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:38,522 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:38,523 INFO L424 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:38,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:38,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1022871450, now seen corresponding path program 1 times [2018-11-10 12:11:38,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:38,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:38,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,524 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:38,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:38,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:38,600 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:38,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:38,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:38,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:38,601 INFO L87 Difference]: Start difference. First operand 523 states and 711 transitions. Second operand 3 states. [2018-11-10 12:11:38,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:38,664 INFO L93 Difference]: Finished difference Result 648 states and 868 transitions. [2018-11-10 12:11:38,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:38,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-10 12:11:38,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:38,668 INFO L225 Difference]: With dead ends: 648 [2018-11-10 12:11:38,668 INFO L226 Difference]: Without dead ends: 627 [2018-11-10 12:11:38,669 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 [2018-11-10 12:11:38,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2018-11-10 12:11:38,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 587. [2018-11-10 12:11:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-11-10 12:11:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 794 transitions. [2018-11-10 12:11:38,696 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 794 transitions. Word has length 31 [2018-11-10 12:11:38,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:38,697 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 794 transitions. [2018-11-10 12:11:38,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 794 transitions. [2018-11-10 12:11:38,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 12:11:38,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:38,699 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:38,699 INFO L424 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:38,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:38,699 INFO L82 PathProgramCache]: Analyzing trace with hash 582638703, now seen corresponding path program 1 times [2018-11-10 12:11:38,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:38,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:38,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,701 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:38,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:38,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:38,752 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:38,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:38,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:38,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:38,753 INFO L87 Difference]: Start difference. First operand 587 states and 794 transitions. Second operand 3 states. [2018-11-10 12:11:38,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:38,801 INFO L93 Difference]: Finished difference Result 1102 states and 1485 transitions. [2018-11-10 12:11:38,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:38,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-11-10 12:11:38,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:38,806 INFO L225 Difference]: With dead ends: 1102 [2018-11-10 12:11:38,806 INFO L226 Difference]: Without dead ends: 800 [2018-11-10 12:11:38,807 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 [2018-11-10 12:11:38,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-10 12:11:38,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 771. [2018-11-10 12:11:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-10 12:11:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1046 transitions. [2018-11-10 12:11:38,836 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1046 transitions. Word has length 33 [2018-11-10 12:11:38,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:38,837 INFO L481 AbstractCegarLoop]: Abstraction has 771 states and 1046 transitions. [2018-11-10 12:11:38,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1046 transitions. [2018-11-10 12:11:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 12:11:38,838 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:38,839 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:38,839 INFO L424 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:38,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:38,839 INFO L82 PathProgramCache]: Analyzing trace with hash 590560547, now seen corresponding path program 1 times [2018-11-10 12:11:38,839 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:38,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:38,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,840 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:38,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:38,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:38,880 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:38,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:38,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:38,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:38,881 INFO L87 Difference]: Start difference. First operand 771 states and 1046 transitions. Second operand 3 states. [2018-11-10 12:11:38,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:38,944 INFO L93 Difference]: Finished difference Result 815 states and 1100 transitions. [2018-11-10 12:11:38,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:38,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-10 12:11:38,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:38,948 INFO L225 Difference]: With dead ends: 815 [2018-11-10 12:11:38,948 INFO L226 Difference]: Without dead ends: 810 [2018-11-10 12:11:38,948 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 [2018-11-10 12:11:38,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-11-10 12:11:38,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 806. [2018-11-10 12:11:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-11-10 12:11:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1090 transitions. [2018-11-10 12:11:38,978 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1090 transitions. Word has length 38 [2018-11-10 12:11:38,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:38,979 INFO L481 AbstractCegarLoop]: Abstraction has 806 states and 1090 transitions. [2018-11-10 12:11:38,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1090 transitions. [2018-11-10 12:11:38,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 12:11:38,980 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:38,981 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:38,981 INFO L424 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:38,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:38,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1817879655, now seen corresponding path program 1 times [2018-11-10 12:11:38,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:38,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:38,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,983 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:39,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:39,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:39,057 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:39,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:39,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:39,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:39,058 INFO L87 Difference]: Start difference. First operand 806 states and 1090 transitions. Second operand 3 states. [2018-11-10 12:11:39,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:39,132 INFO L93 Difference]: Finished difference Result 821 states and 1110 transitions. [2018-11-10 12:11:39,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:39,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-10 12:11:39,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:39,135 INFO L225 Difference]: With dead ends: 821 [2018-11-10 12:11:39,135 INFO L226 Difference]: Without dead ends: 818 [2018-11-10 12:11:39,136 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:39,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-11-10 12:11:39,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 817. [2018-11-10 12:11:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-11-10 12:11:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1104 transitions. [2018-11-10 12:11:39,157 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1104 transitions. Word has length 38 [2018-11-10 12:11:39,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:39,157 INFO L481 AbstractCegarLoop]: Abstraction has 817 states and 1104 transitions. [2018-11-10 12:11:39,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:39,157 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1104 transitions. [2018-11-10 12:11:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 12:11:39,158 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:39,158 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:39,159 INFO L424 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:39,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:39,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1580109025, now seen corresponding path program 1 times [2018-11-10 12:11:39,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:39,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:39,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,160 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:39,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:39,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:39,211 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:39,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:39,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:39,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:39,212 INFO L87 Difference]: Start difference. First operand 817 states and 1104 transitions. Second operand 5 states. [2018-11-10 12:11:39,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:39,251 INFO L93 Difference]: Finished difference Result 830 states and 1118 transitions. [2018-11-10 12:11:39,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:39,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-11-10 12:11:39,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:39,254 INFO L225 Difference]: With dead ends: 830 [2018-11-10 12:11:39,254 INFO L226 Difference]: Without dead ends: 815 [2018-11-10 12:11:39,254 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:11:39,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-10 12:11:39,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 815. [2018-11-10 12:11:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2018-11-10 12:11:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1100 transitions. [2018-11-10 12:11:39,275 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1100 transitions. Word has length 39 [2018-11-10 12:11:39,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:39,275 INFO L481 AbstractCegarLoop]: Abstraction has 815 states and 1100 transitions. [2018-11-10 12:11:39,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1100 transitions. [2018-11-10 12:11:39,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 12:11:39,276 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:39,276 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:39,277 INFO L424 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:39,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:39,277 INFO L82 PathProgramCache]: Analyzing trace with hash 2050678180, now seen corresponding path program 1 times [2018-11-10 12:11:39,277 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:39,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:39,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,278 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:39,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:39,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:39,312 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:39,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:39,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:39,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:39,313 INFO L87 Difference]: Start difference. First operand 815 states and 1100 transitions. Second operand 5 states. [2018-11-10 12:11:39,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:39,351 INFO L93 Difference]: Finished difference Result 828 states and 1114 transitions. [2018-11-10 12:11:39,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:39,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-11-10 12:11:39,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:39,354 INFO L225 Difference]: With dead ends: 828 [2018-11-10 12:11:39,354 INFO L226 Difference]: Without dead ends: 808 [2018-11-10 12:11:39,355 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:11:39,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2018-11-10 12:11:39,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2018-11-10 12:11:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-11-10 12:11:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1091 transitions. [2018-11-10 12:11:39,376 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1091 transitions. Word has length 40 [2018-11-10 12:11:39,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:39,376 INFO L481 AbstractCegarLoop]: Abstraction has 808 states and 1091 transitions. [2018-11-10 12:11:39,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1091 transitions. [2018-11-10 12:11:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 12:11:39,377 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:39,378 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:39,378 INFO L424 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:39,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:39,379 INFO L82 PathProgramCache]: Analyzing trace with hash 581452453, now seen corresponding path program 1 times [2018-11-10 12:11:39,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:39,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:39,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,380 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:39,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:39,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:39,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:39,428 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:39,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:39,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:39,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:39,429 INFO L87 Difference]: Start difference. First operand 808 states and 1091 transitions. Second operand 5 states. [2018-11-10 12:11:39,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:39,673 INFO L93 Difference]: Finished difference Result 821 states and 1103 transitions. [2018-11-10 12:11:39,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:39,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-11-10 12:11:39,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:39,676 INFO L225 Difference]: With dead ends: 821 [2018-11-10 12:11:39,676 INFO L226 Difference]: Without dead ends: 812 [2018-11-10 12:11:39,677 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 [2018-11-10 12:11:39,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-11-10 12:11:39,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 808. [2018-11-10 12:11:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-11-10 12:11:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1089 transitions. [2018-11-10 12:11:39,697 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1089 transitions. Word has length 43 [2018-11-10 12:11:39,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:39,698 INFO L481 AbstractCegarLoop]: Abstraction has 808 states and 1089 transitions. [2018-11-10 12:11:39,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1089 transitions. [2018-11-10 12:11:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 12:11:39,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:39,700 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:39,700 INFO L424 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:39,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:39,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1124998528, now seen corresponding path program 1 times [2018-11-10 12:11:39,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:39,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:39,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,701 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:39,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:39,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:11:39,749 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:39,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:11:39,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:11:39,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:11:39,749 INFO L87 Difference]: Start difference. First operand 808 states and 1089 transitions. Second operand 4 states. [2018-11-10 12:11:39,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:39,790 INFO L93 Difference]: Finished difference Result 836 states and 1122 transitions. [2018-11-10 12:11:39,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 12:11:39,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-11-10 12:11:39,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:39,793 INFO L225 Difference]: With dead ends: 836 [2018-11-10 12:11:39,793 INFO L226 Difference]: Without dead ends: 814 [2018-11-10 12:11:39,794 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:39,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-11-10 12:11:39,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 810. [2018-11-10 12:11:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2018-11-10 12:11:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1091 transitions. [2018-11-10 12:11:39,814 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1091 transitions. Word has length 42 [2018-11-10 12:11:39,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:39,814 INFO L481 AbstractCegarLoop]: Abstraction has 810 states and 1091 transitions. [2018-11-10 12:11:39,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:11:39,814 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1091 transitions. [2018-11-10 12:11:39,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:11:39,815 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:39,816 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:39,816 INFO L424 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:39,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:39,816 INFO L82 PathProgramCache]: Analyzing trace with hash 195281538, now seen corresponding path program 1 times [2018-11-10 12:11:39,816 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:39,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:39,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,817 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:39,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:39,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:39,855 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:39,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:39,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:39,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:39,856 INFO L87 Difference]: Start difference. First operand 810 states and 1091 transitions. Second operand 3 states. [2018-11-10 12:11:39,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:39,947 INFO L93 Difference]: Finished difference Result 1194 states and 1622 transitions. [2018-11-10 12:11:39,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:39,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-10 12:11:39,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:39,951 INFO L225 Difference]: With dead ends: 1194 [2018-11-10 12:11:39,951 INFO L226 Difference]: Without dead ends: 1191 [2018-11-10 12:11:39,952 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 [2018-11-10 12:11:39,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2018-11-10 12:11:39,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 935. [2018-11-10 12:11:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-11-10 12:11:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1262 transitions. [2018-11-10 12:11:39,983 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1262 transitions. Word has length 44 [2018-11-10 12:11:39,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:39,983 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1262 transitions. [2018-11-10 12:11:39,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1262 transitions. [2018-11-10 12:11:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:11:39,984 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:39,984 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:39,984 INFO L424 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:39,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:39,984 INFO L82 PathProgramCache]: Analyzing trace with hash -44095477, now seen corresponding path program 1 times [2018-11-10 12:11:39,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:39,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:39,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:39,985 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:40,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:40,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:40,041 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:40,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:40,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:40,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:40,042 INFO L87 Difference]: Start difference. First operand 935 states and 1262 transitions. Second operand 5 states. [2018-11-10 12:11:40,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:40,358 INFO L93 Difference]: Finished difference Result 948 states and 1274 transitions. [2018-11-10 12:11:40,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:40,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-11-10 12:11:40,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:40,362 INFO L225 Difference]: With dead ends: 948 [2018-11-10 12:11:40,362 INFO L226 Difference]: Without dead ends: 939 [2018-11-10 12:11:40,363 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 [2018-11-10 12:11:40,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-11-10 12:11:40,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 935. [2018-11-10 12:11:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-11-10 12:11:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1260 transitions. [2018-11-10 12:11:40,424 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1260 transitions. Word has length 44 [2018-11-10 12:11:40,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:40,424 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1260 transitions. [2018-11-10 12:11:40,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1260 transitions. [2018-11-10 12:11:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 12:11:40,425 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:40,426 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:40,426 INFO L424 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:40,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:40,426 INFO L82 PathProgramCache]: Analyzing trace with hash -171709427, now seen corresponding path program 1 times [2018-11-10 12:11:40,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:40,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:40,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:40,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:40,427 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:40,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:40,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:11:40,476 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:40,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:11:40,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:11:40,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:11:40,476 INFO L87 Difference]: Start difference. First operand 935 states and 1260 transitions. Second operand 4 states. [2018-11-10 12:11:40,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:40,558 INFO L93 Difference]: Finished difference Result 963 states and 1293 transitions. [2018-11-10 12:11:40,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 12:11:40,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-10 12:11:40,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:40,562 INFO L225 Difference]: With dead ends: 963 [2018-11-10 12:11:40,563 INFO L226 Difference]: Without dead ends: 941 [2018-11-10 12:11:40,563 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:40,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-11-10 12:11:40,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 935. [2018-11-10 12:11:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-11-10 12:11:40,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1260 transitions. [2018-11-10 12:11:40,609 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1260 transitions. Word has length 43 [2018-11-10 12:11:40,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:40,609 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1260 transitions. [2018-11-10 12:11:40,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:11:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1260 transitions. [2018-11-10 12:11:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 12:11:40,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:40,610 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:40,610 INFO L424 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:40,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:40,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1520699893, now seen corresponding path program 1 times [2018-11-10 12:11:40,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:40,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:40,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:40,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:40,612 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:40,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:40,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:40,664 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:40,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:40,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:40,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:40,665 INFO L87 Difference]: Start difference. First operand 935 states and 1260 transitions. Second operand 5 states. [2018-11-10 12:11:41,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:41,370 INFO L93 Difference]: Finished difference Result 1686 states and 2245 transitions. [2018-11-10 12:11:41,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:11:41,371 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-10 12:11:41,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:41,376 INFO L225 Difference]: With dead ends: 1686 [2018-11-10 12:11:41,377 INFO L226 Difference]: Without dead ends: 1120 [2018-11-10 12:11:41,378 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:41,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-11-10 12:11:41,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 926. [2018-11-10 12:11:41,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-10 12:11:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1239 transitions. [2018-11-10 12:11:41,436 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1239 transitions. Word has length 45 [2018-11-10 12:11:41,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:41,436 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1239 transitions. [2018-11-10 12:11:41,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1239 transitions. [2018-11-10 12:11:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 12:11:41,437 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:41,438 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:41,438 INFO L424 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:41,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:41,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1312044786, now seen corresponding path program 1 times [2018-11-10 12:11:41,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:41,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:41,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:41,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:41,440 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:41,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:41,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:41,490 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:41,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:41,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:41,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:41,491 INFO L87 Difference]: Start difference. First operand 926 states and 1239 transitions. Second operand 5 states. [2018-11-10 12:11:41,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:41,562 INFO L93 Difference]: Finished difference Result 942 states and 1254 transitions. [2018-11-10 12:11:41,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:41,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-10 12:11:41,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:41,567 INFO L225 Difference]: With dead ends: 942 [2018-11-10 12:11:41,567 INFO L226 Difference]: Without dead ends: 924 [2018-11-10 12:11:41,567 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 [2018-11-10 12:11:41,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2018-11-10 12:11:41,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2018-11-10 12:11:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-11-10 12:11:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1235 transitions. [2018-11-10 12:11:41,614 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1235 transitions. Word has length 45 [2018-11-10 12:11:41,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:41,614 INFO L481 AbstractCegarLoop]: Abstraction has 924 states and 1235 transitions. [2018-11-10 12:11:41,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1235 transitions. [2018-11-10 12:11:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:11:41,615 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:41,616 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:41,616 INFO L424 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:41,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:41,616 INFO L82 PathProgramCache]: Analyzing trace with hash 468101595, now seen corresponding path program 1 times [2018-11-10 12:11:41,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:41,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:41,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:41,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:41,617 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:41,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:41,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:41,664 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:41,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:41,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:41,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:41,665 INFO L87 Difference]: Start difference. First operand 924 states and 1235 transitions. Second operand 3 states. [2018-11-10 12:11:41,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:41,762 INFO L93 Difference]: Finished difference Result 954 states and 1271 transitions. [2018-11-10 12:11:41,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:41,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-10 12:11:41,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:41,767 INFO L225 Difference]: With dead ends: 954 [2018-11-10 12:11:41,767 INFO L226 Difference]: Without dead ends: 906 [2018-11-10 12:11:41,768 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 [2018-11-10 12:11:41,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-10 12:11:41,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 902. [2018-11-10 12:11:41,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-11-10 12:11:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1203 transitions. [2018-11-10 12:11:41,817 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1203 transitions. Word has length 46 [2018-11-10 12:11:41,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:41,817 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1203 transitions. [2018-11-10 12:11:41,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1203 transitions. [2018-11-10 12:11:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 12:11:41,819 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:41,819 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:41,819 INFO L424 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:41,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:41,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1363785192, now seen corresponding path program 1 times [2018-11-10 12:11:41,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:41,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:41,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:41,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:41,820 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:41,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:41,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:41,879 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:41,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:41,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:41,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:41,879 INFO L87 Difference]: Start difference. First operand 902 states and 1203 transitions. Second operand 5 states. [2018-11-10 12:11:41,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:41,929 INFO L93 Difference]: Finished difference Result 918 states and 1218 transitions. [2018-11-10 12:11:41,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:41,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-11-10 12:11:41,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:41,933 INFO L225 Difference]: With dead ends: 918 [2018-11-10 12:11:41,933 INFO L226 Difference]: Without dead ends: 900 [2018-11-10 12:11:41,934 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 [2018-11-10 12:11:41,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-11-10 12:11:41,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2018-11-10 12:11:41,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-11-10 12:11:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1199 transitions. [2018-11-10 12:11:41,981 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1199 transitions. Word has length 47 [2018-11-10 12:11:41,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:41,981 INFO L481 AbstractCegarLoop]: Abstraction has 900 states and 1199 transitions. [2018-11-10 12:11:41,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1199 transitions. [2018-11-10 12:11:41,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 12:11:41,983 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:41,983 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:41,983 INFO L424 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:41,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:41,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1242376828, now seen corresponding path program 1 times [2018-11-10 12:11:41,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:41,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:41,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:41,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:41,985 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:42,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:42,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:11:42,035 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:42,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:11:42,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:11:42,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:11:42,036 INFO L87 Difference]: Start difference. First operand 900 states and 1199 transitions. Second operand 6 states. [2018-11-10 12:11:42,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:42,133 INFO L93 Difference]: Finished difference Result 920 states and 1219 transitions. [2018-11-10 12:11:42,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:11:42,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-10 12:11:42,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:42,138 INFO L225 Difference]: With dead ends: 920 [2018-11-10 12:11:42,138 INFO L226 Difference]: Without dead ends: 900 [2018-11-10 12:11:42,139 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:42,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-11-10 12:11:42,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2018-11-10 12:11:42,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-11-10 12:11:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1187 transitions. [2018-11-10 12:11:42,207 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1187 transitions. Word has length 50 [2018-11-10 12:11:42,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:42,208 INFO L481 AbstractCegarLoop]: Abstraction has 900 states and 1187 transitions. [2018-11-10 12:11:42,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:11:42,208 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1187 transitions. [2018-11-10 12:11:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 12:11:42,210 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:42,210 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:42,210 INFO L424 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:42,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:42,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1623541472, now seen corresponding path program 1 times [2018-11-10 12:11:42,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:42,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:42,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:42,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:42,212 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:42,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:42,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:42,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:42,279 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:42,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:42,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:42,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:42,280 INFO L87 Difference]: Start difference. First operand 900 states and 1187 transitions. Second operand 3 states. [2018-11-10 12:11:42,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:42,384 INFO L93 Difference]: Finished difference Result 1226 states and 1640 transitions. [2018-11-10 12:11:42,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:42,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-10 12:11:42,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:42,388 INFO L225 Difference]: With dead ends: 1226 [2018-11-10 12:11:42,389 INFO L226 Difference]: Without dead ends: 1214 [2018-11-10 12:11:42,389 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 [2018-11-10 12:11:42,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2018-11-10 12:11:42,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1022. [2018-11-10 12:11:42,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2018-11-10 12:11:42,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1351 transitions. [2018-11-10 12:11:42,441 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1351 transitions. Word has length 50 [2018-11-10 12:11:42,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:42,442 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 1351 transitions. [2018-11-10 12:11:42,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:42,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1351 transitions. [2018-11-10 12:11:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:11:42,448 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:42,448 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:42,448 INFO L424 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:42,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:42,448 INFO L82 PathProgramCache]: Analyzing trace with hash 2060535303, now seen corresponding path program 1 times [2018-11-10 12:11:42,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:42,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:42,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:42,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:42,451 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:42,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:42,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:11:42,518 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:42,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:11:42,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:11:42,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:11:42,519 INFO L87 Difference]: Start difference. First operand 1022 states and 1351 transitions. Second operand 4 states. [2018-11-10 12:11:42,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:42,646 INFO L93 Difference]: Finished difference Result 1115 states and 1442 transitions. [2018-11-10 12:11:42,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 12:11:42,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-11-10 12:11:42,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:42,649 INFO L225 Difference]: With dead ends: 1115 [2018-11-10 12:11:42,649 INFO L226 Difference]: Without dead ends: 710 [2018-11-10 12:11:42,650 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:11:42,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-11-10 12:11:42,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 673. [2018-11-10 12:11:42,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-11-10 12:11:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 854 transitions. [2018-11-10 12:11:42,675 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 854 transitions. Word has length 52 [2018-11-10 12:11:42,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:42,675 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 854 transitions. [2018-11-10 12:11:42,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:11:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 854 transitions. [2018-11-10 12:11:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 12:11:42,677 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:42,677 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:42,677 INFO L424 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:42,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:42,677 INFO L82 PathProgramCache]: Analyzing trace with hash 851844105, now seen corresponding path program 1 times [2018-11-10 12:11:42,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:42,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:42,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:42,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:42,678 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:42,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:42,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:11:42,727 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:42,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:11:42,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:11:42,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:42,728 INFO L87 Difference]: Start difference. First operand 673 states and 854 transitions. Second operand 7 states. [2018-11-10 12:11:42,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:42,837 INFO L93 Difference]: Finished difference Result 723 states and 908 transitions. [2018-11-10 12:11:42,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:11:42,837 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-10 12:11:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:42,840 INFO L225 Difference]: With dead ends: 723 [2018-11-10 12:11:42,840 INFO L226 Difference]: Without dead ends: 674 [2018-11-10 12:11:42,841 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:11:42,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-11-10 12:11:42,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 661. [2018-11-10 12:11:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2018-11-10 12:11:42,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 835 transitions. [2018-11-10 12:11:42,872 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 835 transitions. Word has length 51 [2018-11-10 12:11:42,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:42,872 INFO L481 AbstractCegarLoop]: Abstraction has 661 states and 835 transitions. [2018-11-10 12:11:42,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:11:42,873 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2018-11-10 12:11:42,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 12:11:42,874 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:42,874 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:42,874 INFO L424 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:42,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:42,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1859302362, now seen corresponding path program 1 times [2018-11-10 12:11:42,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:42,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:42,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:42,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:42,876 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:42,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:42,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:42,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:11:42,936 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:42,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:11:42,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:11:42,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:11:42,936 INFO L87 Difference]: Start difference. First operand 661 states and 835 transitions. Second operand 6 states. [2018-11-10 12:11:42,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:42,992 INFO L93 Difference]: Finished difference Result 688 states and 866 transitions. [2018-11-10 12:11:42,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:11:42,994 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-11-10 12:11:42,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:42,996 INFO L225 Difference]: With dead ends: 688 [2018-11-10 12:11:42,996 INFO L226 Difference]: Without dead ends: 663 [2018-11-10 12:11:42,997 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:42,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2018-11-10 12:11:43,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2018-11-10 12:11:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2018-11-10 12:11:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 837 transitions. [2018-11-10 12:11:43,025 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 837 transitions. Word has length 51 [2018-11-10 12:11:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:43,026 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 837 transitions. [2018-11-10 12:11:43,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:11:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 837 transitions. [2018-11-10 12:11:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 12:11:43,027 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:43,028 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:43,028 INFO L424 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:43,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:43,028 INFO L82 PathProgramCache]: Analyzing trace with hash -756943838, now seen corresponding path program 1 times [2018-11-10 12:11:43,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:43,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:43,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:43,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:43,029 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:43,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:43,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 12:11:43,088 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:43,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 12:11:43,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 12:11:43,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:11:43,088 INFO L87 Difference]: Start difference. First operand 663 states and 837 transitions. Second operand 8 states. [2018-11-10 12:11:43,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:43,209 INFO L93 Difference]: Finished difference Result 693 states and 871 transitions. [2018-11-10 12:11:43,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:11:43,210 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-10 12:11:43,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:43,213 INFO L225 Difference]: With dead ends: 693 [2018-11-10 12:11:43,213 INFO L226 Difference]: Without dead ends: 689 [2018-11-10 12:11:43,213 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:43,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-11-10 12:11:43,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 681. [2018-11-10 12:11:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2018-11-10 12:11:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 858 transitions. [2018-11-10 12:11:43,240 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 858 transitions. Word has length 51 [2018-11-10 12:11:43,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:43,240 INFO L481 AbstractCegarLoop]: Abstraction has 681 states and 858 transitions. [2018-11-10 12:11:43,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 12:11:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 858 transitions. [2018-11-10 12:11:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 12:11:43,242 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:43,242 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:43,242 INFO L424 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:43,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:43,243 INFO L82 PathProgramCache]: Analyzing trace with hash -757220668, now seen corresponding path program 1 times [2018-11-10 12:11:43,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:43,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:43,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:43,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:43,244 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:43,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:43,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 12:11:43,299 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:43,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 12:11:43,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 12:11:43,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:11:43,300 INFO L87 Difference]: Start difference. First operand 681 states and 858 transitions. Second operand 8 states. [2018-11-10 12:11:43,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:43,380 INFO L93 Difference]: Finished difference Result 1083 states and 1391 transitions. [2018-11-10 12:11:43,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:11:43,380 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-10 12:11:43,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:43,383 INFO L225 Difference]: With dead ends: 1083 [2018-11-10 12:11:43,383 INFO L226 Difference]: Without dead ends: 724 [2018-11-10 12:11:43,384 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:11:43,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2018-11-10 12:11:43,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 707. [2018-11-10 12:11:43,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2018-11-10 12:11:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 902 transitions. [2018-11-10 12:11:43,413 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 902 transitions. Word has length 51 [2018-11-10 12:11:43,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:43,413 INFO L481 AbstractCegarLoop]: Abstraction has 707 states and 902 transitions. [2018-11-10 12:11:43,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 12:11:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 902 transitions. [2018-11-10 12:11:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:11:43,414 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:43,415 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:43,415 INFO L424 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:43,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:43,415 INFO L82 PathProgramCache]: Analyzing trace with hash -2064475923, now seen corresponding path program 1 times [2018-11-10 12:11:43,415 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:43,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:43,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:43,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:43,416 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:43,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:43,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:43,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:11:43,483 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:43,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:11:43,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:11:43,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:43,484 INFO L87 Difference]: Start difference. First operand 707 states and 902 transitions. Second operand 9 states. [2018-11-10 12:11:44,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:44,532 INFO L93 Difference]: Finished difference Result 1082 states and 1372 transitions. [2018-11-10 12:11:44,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-10 12:11:44,533 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-11-10 12:11:44,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:44,536 INFO L225 Difference]: With dead ends: 1082 [2018-11-10 12:11:44,536 INFO L226 Difference]: Without dead ends: 994 [2018-11-10 12:11:44,537 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-11-10 12:11:44,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-11-10 12:11:44,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 786. [2018-11-10 12:11:44,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2018-11-10 12:11:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1008 transitions. [2018-11-10 12:11:44,571 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1008 transitions. Word has length 52 [2018-11-10 12:11:44,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:44,571 INFO L481 AbstractCegarLoop]: Abstraction has 786 states and 1008 transitions. [2018-11-10 12:11:44,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:11:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1008 transitions. [2018-11-10 12:11:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:11:44,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:44,573 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:44,573 INFO L424 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:44,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:44,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1278814265, now seen corresponding path program 1 times [2018-11-10 12:11:44,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:44,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:44,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:44,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:44,574 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:44,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:44,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:11:44,619 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:44,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:11:44,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:11:44,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:44,619 INFO L87 Difference]: Start difference. First operand 786 states and 1008 transitions. Second operand 7 states. [2018-11-10 12:11:45,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:45,301 INFO L93 Difference]: Finished difference Result 912 states and 1161 transitions. [2018-11-10 12:11:45,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 12:11:45,301 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 12:11:45,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:45,304 INFO L225 Difference]: With dead ends: 912 [2018-11-10 12:11:45,304 INFO L226 Difference]: Without dead ends: 795 [2018-11-10 12:11:45,305 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-11-10 12:11:45,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-11-10 12:11:45,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 749. [2018-11-10 12:11:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2018-11-10 12:11:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 944 transitions. [2018-11-10 12:11:45,335 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 944 transitions. Word has length 52 [2018-11-10 12:11:45,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:45,335 INFO L481 AbstractCegarLoop]: Abstraction has 749 states and 944 transitions. [2018-11-10 12:11:45,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:11:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 944 transitions. [2018-11-10 12:11:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:11:45,336 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:45,336 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:45,337 INFO L424 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:45,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:45,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1135534907, now seen corresponding path program 1 times [2018-11-10 12:11:45,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:45,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:45,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:45,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:45,338 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:45,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:45,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:45,364 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:45,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:45,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:45,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:45,365 INFO L87 Difference]: Start difference. First operand 749 states and 944 transitions. Second operand 3 states. [2018-11-10 12:11:45,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:45,459 INFO L93 Difference]: Finished difference Result 922 states and 1182 transitions. [2018-11-10 12:11:45,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:45,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-10 12:11:45,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:45,462 INFO L225 Difference]: With dead ends: 922 [2018-11-10 12:11:45,462 INFO L226 Difference]: Without dead ends: 892 [2018-11-10 12:11:45,463 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 [2018-11-10 12:11:45,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-11-10 12:11:45,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 743. [2018-11-10 12:11:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2018-11-10 12:11:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 932 transitions. [2018-11-10 12:11:45,498 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 932 transitions. Word has length 52 [2018-11-10 12:11:45,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:45,498 INFO L481 AbstractCegarLoop]: Abstraction has 743 states and 932 transitions. [2018-11-10 12:11:45,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 932 transitions. [2018-11-10 12:11:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 12:11:45,500 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:45,500 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:45,500 INFO L424 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:45,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:45,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1763875176, now seen corresponding path program 1 times [2018-11-10 12:11:45,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:45,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:45,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:45,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:45,502 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:45,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:45,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:45,549 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:45,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:45,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:45,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:45,550 INFO L87 Difference]: Start difference. First operand 743 states and 932 transitions. Second operand 5 states. [2018-11-10 12:11:45,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:45,892 INFO L93 Difference]: Finished difference Result 894 states and 1144 transitions. [2018-11-10 12:11:45,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:45,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-11-10 12:11:45,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:45,895 INFO L225 Difference]: With dead ends: 894 [2018-11-10 12:11:45,896 INFO L226 Difference]: Without dead ends: 876 [2018-11-10 12:11:45,896 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:11:45,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2018-11-10 12:11:45,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 726. [2018-11-10 12:11:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-11-10 12:11:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 905 transitions. [2018-11-10 12:11:45,928 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 905 transitions. Word has length 54 [2018-11-10 12:11:45,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:45,928 INFO L481 AbstractCegarLoop]: Abstraction has 726 states and 905 transitions. [2018-11-10 12:11:45,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:45,928 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 905 transitions. [2018-11-10 12:11:45,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 12:11:45,929 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:45,930 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:45,930 INFO L424 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:45,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:45,930 INFO L82 PathProgramCache]: Analyzing trace with hash -339832643, now seen corresponding path program 1 times [2018-11-10 12:11:45,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:45,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:45,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:45,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:45,931 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:45,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:45,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:11:45,975 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:45,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:11:45,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:11:45,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:11:45,975 INFO L87 Difference]: Start difference. First operand 726 states and 905 transitions. Second operand 4 states. [2018-11-10 12:11:46,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:46,222 INFO L93 Difference]: Finished difference Result 1663 states and 2050 transitions. [2018-11-10 12:11:46,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 12:11:46,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2018-11-10 12:11:46,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:46,226 INFO L225 Difference]: With dead ends: 1663 [2018-11-10 12:11:46,226 INFO L226 Difference]: Without dead ends: 1385 [2018-11-10 12:11:46,227 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:11:46,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2018-11-10 12:11:46,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1272. [2018-11-10 12:11:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2018-11-10 12:11:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1602 transitions. [2018-11-10 12:11:46,290 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1602 transitions. Word has length 55 [2018-11-10 12:11:46,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:46,291 INFO L481 AbstractCegarLoop]: Abstraction has 1272 states and 1602 transitions. [2018-11-10 12:11:46,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:11:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1602 transitions. [2018-11-10 12:11:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 12:11:46,292 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:46,293 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:46,293 INFO L424 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:46,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:46,293 INFO L82 PathProgramCache]: Analyzing trace with hash 82869183, now seen corresponding path program 1 times [2018-11-10 12:11:46,293 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:46,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:46,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:46,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:46,294 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:46,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:46,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 12:11:46,344 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:46,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 12:11:46,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 12:11:46,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:11:46,344 INFO L87 Difference]: Start difference. First operand 1272 states and 1602 transitions. Second operand 8 states. [2018-11-10 12:11:46,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:46,424 INFO L93 Difference]: Finished difference Result 1285 states and 1614 transitions. [2018-11-10 12:11:46,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:11:46,425 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-11-10 12:11:46,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:46,428 INFO L225 Difference]: With dead ends: 1285 [2018-11-10 12:11:46,428 INFO L226 Difference]: Without dead ends: 1253 [2018-11-10 12:11:46,428 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:46,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2018-11-10 12:11:46,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2018-11-10 12:11:46,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1253 states. [2018-11-10 12:11:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1578 transitions. [2018-11-10 12:11:46,492 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1578 transitions. Word has length 55 [2018-11-10 12:11:46,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:46,492 INFO L481 AbstractCegarLoop]: Abstraction has 1253 states and 1578 transitions. [2018-11-10 12:11:46,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 12:11:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1578 transitions. [2018-11-10 12:11:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:11:46,494 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:46,494 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:46,494 INFO L424 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:46,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:46,495 INFO L82 PathProgramCache]: Analyzing trace with hash 420323497, now seen corresponding path program 1 times [2018-11-10 12:11:46,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:46,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:46,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:46,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:46,496 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:46,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:46,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:46,536 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:46,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:46,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:46,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:46,537 INFO L87 Difference]: Start difference. First operand 1253 states and 1578 transitions. Second operand 3 states. [2018-11-10 12:11:46,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:46,640 INFO L93 Difference]: Finished difference Result 1852 states and 2359 transitions. [2018-11-10 12:11:46,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:46,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-10 12:11:46,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:46,644 INFO L225 Difference]: With dead ends: 1852 [2018-11-10 12:11:46,645 INFO L226 Difference]: Without dead ends: 1251 [2018-11-10 12:11:46,646 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 [2018-11-10 12:11:46,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2018-11-10 12:11:46,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2018-11-10 12:11:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1251 states. [2018-11-10 12:11:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1570 transitions. [2018-11-10 12:11:46,703 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1570 transitions. Word has length 58 [2018-11-10 12:11:46,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:46,703 INFO L481 AbstractCegarLoop]: Abstraction has 1251 states and 1570 transitions. [2018-11-10 12:11:46,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:46,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1570 transitions. [2018-11-10 12:11:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:11:46,705 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:46,705 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:46,706 INFO L424 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:46,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:46,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1592527429, now seen corresponding path program 1 times [2018-11-10 12:11:46,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:46,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:46,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:46,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:46,707 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:46,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:46,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:46,766 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:46,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:46,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:46,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:46,767 INFO L87 Difference]: Start difference. First operand 1251 states and 1570 transitions. Second operand 5 states. [2018-11-10 12:11:46,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:46,819 INFO L93 Difference]: Finished difference Result 1753 states and 2224 transitions. [2018-11-10 12:11:46,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:46,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-10 12:11:46,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:46,823 INFO L225 Difference]: With dead ends: 1753 [2018-11-10 12:11:46,823 INFO L226 Difference]: Without dead ends: 1154 [2018-11-10 12:11:46,825 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 [2018-11-10 12:11:46,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2018-11-10 12:11:46,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1154. [2018-11-10 12:11:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2018-11-10 12:11:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1435 transitions. [2018-11-10 12:11:46,898 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1435 transitions. Word has length 64 [2018-11-10 12:11:46,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:46,898 INFO L481 AbstractCegarLoop]: Abstraction has 1154 states and 1435 transitions. [2018-11-10 12:11:46,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1435 transitions. [2018-11-10 12:11:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:11:46,900 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:46,900 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:46,901 INFO L424 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:46,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:46,901 INFO L82 PathProgramCache]: Analyzing trace with hash -686592692, now seen corresponding path program 1 times [2018-11-10 12:11:46,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:46,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:46,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:46,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:46,902 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:46,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:46,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 12:11:46,949 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:46,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 12:11:46,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 12:11:46,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:11:46,950 INFO L87 Difference]: Start difference. First operand 1154 states and 1435 transitions. Second operand 8 states. [2018-11-10 12:11:47,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:47,085 INFO L93 Difference]: Finished difference Result 1168 states and 1448 transitions. [2018-11-10 12:11:47,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:11:47,086 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-11-10 12:11:47,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:47,088 INFO L225 Difference]: With dead ends: 1168 [2018-11-10 12:11:47,089 INFO L226 Difference]: Without dead ends: 1147 [2018-11-10 12:11:47,089 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:47,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2018-11-10 12:11:47,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1147. [2018-11-10 12:11:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2018-11-10 12:11:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1424 transitions. [2018-11-10 12:11:47,147 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1424 transitions. Word has length 58 [2018-11-10 12:11:47,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:47,147 INFO L481 AbstractCegarLoop]: Abstraction has 1147 states and 1424 transitions. [2018-11-10 12:11:47,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 12:11:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1424 transitions. [2018-11-10 12:11:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:11:47,149 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:47,149 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:47,149 INFO L424 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:47,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:47,149 INFO L82 PathProgramCache]: Analyzing trace with hash 408607831, now seen corresponding path program 1 times [2018-11-10 12:11:47,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:47,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:47,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:47,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:47,150 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:47,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:47,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:11:47,192 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:47,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:11:47,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:11:47,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:11:47,192 INFO L87 Difference]: Start difference. First operand 1147 states and 1424 transitions. Second operand 6 states. [2018-11-10 12:11:47,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:47,281 INFO L93 Difference]: Finished difference Result 1180 states and 1457 transitions. [2018-11-10 12:11:47,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:11:47,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-10 12:11:47,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:47,284 INFO L225 Difference]: With dead ends: 1180 [2018-11-10 12:11:47,284 INFO L226 Difference]: Without dead ends: 1149 [2018-11-10 12:11:47,285 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:47,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2018-11-10 12:11:47,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1137. [2018-11-10 12:11:47,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1137 states. [2018-11-10 12:11:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1412 transitions. [2018-11-10 12:11:47,340 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1412 transitions. Word has length 60 [2018-11-10 12:11:47,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:47,340 INFO L481 AbstractCegarLoop]: Abstraction has 1137 states and 1412 transitions. [2018-11-10 12:11:47,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:11:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1412 transitions. [2018-11-10 12:11:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 12:11:47,342 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:47,342 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:47,342 INFO L424 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:47,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:47,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1185819340, now seen corresponding path program 1 times [2018-11-10 12:11:47,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:47,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:47,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:47,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:47,343 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:47,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:47,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:47,389 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:47,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:47,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:47,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:47,389 INFO L87 Difference]: Start difference. First operand 1137 states and 1412 transitions. Second operand 5 states. [2018-11-10 12:11:47,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:47,607 INFO L93 Difference]: Finished difference Result 1639 states and 2054 transitions. [2018-11-10 12:11:47,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:47,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-11-10 12:11:47,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:47,610 INFO L225 Difference]: With dead ends: 1639 [2018-11-10 12:11:47,610 INFO L226 Difference]: Without dead ends: 1137 [2018-11-10 12:11:47,611 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:47,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2018-11-10 12:11:47,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137. [2018-11-10 12:11:47,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1137 states. [2018-11-10 12:11:47,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1408 transitions. [2018-11-10 12:11:47,665 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1408 transitions. Word has length 68 [2018-11-10 12:11:47,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:47,666 INFO L481 AbstractCegarLoop]: Abstraction has 1137 states and 1408 transitions. [2018-11-10 12:11:47,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1408 transitions. [2018-11-10 12:11:47,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 12:11:47,668 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:47,668 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:47,668 INFO L424 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:47,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:47,668 INFO L82 PathProgramCache]: Analyzing trace with hash -2002193163, now seen corresponding path program 1 times [2018-11-10 12:11:47,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:47,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:47,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:47,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:47,669 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:47,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:47,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:11:47,737 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:47,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:11:47,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:11:47,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:11:47,738 INFO L87 Difference]: Start difference. First operand 1137 states and 1408 transitions. Second operand 6 states. [2018-11-10 12:11:47,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:47,801 INFO L93 Difference]: Finished difference Result 1159 states and 1427 transitions. [2018-11-10 12:11:47,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:11:47,802 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-10 12:11:47,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:47,805 INFO L225 Difference]: With dead ends: 1159 [2018-11-10 12:11:47,805 INFO L226 Difference]: Without dead ends: 1125 [2018-11-10 12:11:47,806 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:47,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2018-11-10 12:11:47,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1125. [2018-11-10 12:11:47,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1125 states. [2018-11-10 12:11:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1392 transitions. [2018-11-10 12:11:47,859 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1392 transitions. Word has length 63 [2018-11-10 12:11:47,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:47,860 INFO L481 AbstractCegarLoop]: Abstraction has 1125 states and 1392 transitions. [2018-11-10 12:11:47,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:11:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1392 transitions. [2018-11-10 12:11:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 12:11:47,862 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:47,862 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:47,862 INFO L424 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:47,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:47,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1866830368, now seen corresponding path program 1 times [2018-11-10 12:11:47,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:47,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:47,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:47,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:47,866 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:47,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:47,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:47,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:47,908 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:47,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:47,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:47,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:47,908 INFO L87 Difference]: Start difference. First operand 1125 states and 1392 transitions. Second operand 5 states. [2018-11-10 12:11:47,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:47,964 INFO L93 Difference]: Finished difference Result 1317 states and 1620 transitions. [2018-11-10 12:11:47,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:47,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-11-10 12:11:47,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:47,967 INFO L225 Difference]: With dead ends: 1317 [2018-11-10 12:11:47,967 INFO L226 Difference]: Without dead ends: 1137 [2018-11-10 12:11:47,968 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:47,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2018-11-10 12:11:48,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1133. [2018-11-10 12:11:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1133 states. [2018-11-10 12:11:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1400 transitions. [2018-11-10 12:11:48,028 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1400 transitions. Word has length 63 [2018-11-10 12:11:48,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:48,029 INFO L481 AbstractCegarLoop]: Abstraction has 1133 states and 1400 transitions. [2018-11-10 12:11:48,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1400 transitions. [2018-11-10 12:11:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 12:11:48,031 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:48,031 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:48,031 INFO L424 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:48,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:48,031 INFO L82 PathProgramCache]: Analyzing trace with hash -148339361, now seen corresponding path program 1 times [2018-11-10 12:11:48,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:48,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:48,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:48,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:48,032 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:48,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:48,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:11:48,103 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:48,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:11:48,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:11:48,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:48,104 INFO L87 Difference]: Start difference. First operand 1133 states and 1400 transitions. Second operand 9 states. [2018-11-10 12:11:48,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:48,206 INFO L93 Difference]: Finished difference Result 1537 states and 1872 transitions. [2018-11-10 12:11:48,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:11:48,207 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-11-10 12:11:48,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:48,209 INFO L225 Difference]: With dead ends: 1537 [2018-11-10 12:11:48,209 INFO L226 Difference]: Without dead ends: 1137 [2018-11-10 12:11:48,211 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:11:48,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2018-11-10 12:11:48,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1135. [2018-11-10 12:11:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-11-10 12:11:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1400 transitions. [2018-11-10 12:11:48,287 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1400 transitions. Word has length 63 [2018-11-10 12:11:48,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:48,287 INFO L481 AbstractCegarLoop]: Abstraction has 1135 states and 1400 transitions. [2018-11-10 12:11:48,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:11:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1400 transitions. [2018-11-10 12:11:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 12:11:48,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:48,289 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:48,289 INFO L424 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:48,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:48,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1466387024, now seen corresponding path program 1 times [2018-11-10 12:11:48,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:48,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:48,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:48,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:48,290 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:48,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:48,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:11:48,320 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:48,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:11:48,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:11:48,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:11:48,320 INFO L87 Difference]: Start difference. First operand 1135 states and 1400 transitions. Second operand 3 states. [2018-11-10 12:11:48,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:48,384 INFO L93 Difference]: Finished difference Result 1689 states and 2115 transitions. [2018-11-10 12:11:48,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:11:48,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-11-10 12:11:48,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:48,388 INFO L225 Difference]: With dead ends: 1689 [2018-11-10 12:11:48,388 INFO L226 Difference]: Without dead ends: 1187 [2018-11-10 12:11:48,389 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 [2018-11-10 12:11:48,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2018-11-10 12:11:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1135. [2018-11-10 12:11:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-11-10 12:11:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1400 transitions. [2018-11-10 12:11:48,444 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1400 transitions. Word has length 71 [2018-11-10 12:11:48,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:48,445 INFO L481 AbstractCegarLoop]: Abstraction has 1135 states and 1400 transitions. [2018-11-10 12:11:48,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:11:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1400 transitions. [2018-11-10 12:11:48,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 12:11:48,447 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:48,447 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:48,447 INFO L424 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:48,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:48,447 INFO L82 PathProgramCache]: Analyzing trace with hash -834545008, now seen corresponding path program 1 times [2018-11-10 12:11:48,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:48,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:48,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:48,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:48,448 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:48,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:48,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:11:48,504 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:48,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:11:48,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:11:48,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:11:48,505 INFO L87 Difference]: Start difference. First operand 1135 states and 1400 transitions. Second operand 6 states. [2018-11-10 12:11:48,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:48,584 INFO L93 Difference]: Finished difference Result 1623 states and 2020 transitions. [2018-11-10 12:11:48,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:11:48,585 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-11-10 12:11:48,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:48,589 INFO L225 Difference]: With dead ends: 1623 [2018-11-10 12:11:48,589 INFO L226 Difference]: Without dead ends: 1186 [2018-11-10 12:11:48,590 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:48,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2018-11-10 12:11:48,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1135. [2018-11-10 12:11:48,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-11-10 12:11:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1396 transitions. [2018-11-10 12:11:48,644 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1396 transitions. Word has length 71 [2018-11-10 12:11:48,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:48,644 INFO L481 AbstractCegarLoop]: Abstraction has 1135 states and 1396 transitions. [2018-11-10 12:11:48,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:11:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1396 transitions. [2018-11-10 12:11:48,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 12:11:48,646 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:48,646 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:48,647 INFO L424 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:48,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:48,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1412321200, now seen corresponding path program 1 times [2018-11-10 12:11:48,647 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:48,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:48,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:48,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:48,648 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:48,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:48,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:11:48,709 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:48,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:11:48,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:11:48,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:48,709 INFO L87 Difference]: Start difference. First operand 1135 states and 1396 transitions. Second operand 9 states. [2018-11-10 12:11:48,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:48,859 INFO L93 Difference]: Finished difference Result 1154 states and 1415 transitions. [2018-11-10 12:11:48,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:11:48,860 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-11-10 12:11:48,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:48,863 INFO L225 Difference]: With dead ends: 1154 [2018-11-10 12:11:48,864 INFO L226 Difference]: Without dead ends: 1127 [2018-11-10 12:11:48,865 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:11:48,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2018-11-10 12:11:48,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2018-11-10 12:11:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2018-11-10 12:11:48,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1384 transitions. [2018-11-10 12:11:48,926 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1384 transitions. Word has length 63 [2018-11-10 12:11:48,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:48,926 INFO L481 AbstractCegarLoop]: Abstraction has 1127 states and 1384 transitions. [2018-11-10 12:11:48,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:11:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1384 transitions. [2018-11-10 12:11:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:11:48,929 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:48,929 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:48,929 INFO L424 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:48,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:48,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1401857880, now seen corresponding path program 1 times [2018-11-10 12:11:48,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:48,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:48,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:48,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:48,930 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:48,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:48,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:48,994 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:48,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:48,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:48,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:48,995 INFO L87 Difference]: Start difference. First operand 1127 states and 1384 transitions. Second operand 5 states. [2018-11-10 12:11:49,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:49,048 INFO L93 Difference]: Finished difference Result 1139 states and 1396 transitions. [2018-11-10 12:11:49,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:49,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-10 12:11:49,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:49,052 INFO L225 Difference]: With dead ends: 1139 [2018-11-10 12:11:49,052 INFO L226 Difference]: Without dead ends: 1107 [2018-11-10 12:11:49,053 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 [2018-11-10 12:11:49,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2018-11-10 12:11:49,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1100. [2018-11-10 12:11:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2018-11-10 12:11:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1354 transitions. [2018-11-10 12:11:49,104 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1354 transitions. Word has length 64 [2018-11-10 12:11:49,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:49,105 INFO L481 AbstractCegarLoop]: Abstraction has 1100 states and 1354 transitions. [2018-11-10 12:11:49,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:49,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1354 transitions. [2018-11-10 12:11:49,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:11:49,107 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:49,107 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:49,107 INFO L424 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:49,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:49,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1586781805, now seen corresponding path program 1 times [2018-11-10 12:11:49,107 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:49,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:49,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:49,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:49,108 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:49,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:49,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 12:11:49,165 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:49,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 12:11:49,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 12:11:49,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:11:49,166 INFO L87 Difference]: Start difference. First operand 1100 states and 1354 transitions. Second operand 8 states. [2018-11-10 12:11:49,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:49,286 INFO L93 Difference]: Finished difference Result 1111 states and 1364 transitions. [2018-11-10 12:11:49,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:11:49,287 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-11-10 12:11:49,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:49,289 INFO L225 Difference]: With dead ends: 1111 [2018-11-10 12:11:49,289 INFO L226 Difference]: Without dead ends: 1089 [2018-11-10 12:11:49,290 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:49,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2018-11-10 12:11:49,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2018-11-10 12:11:49,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2018-11-10 12:11:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1339 transitions. [2018-11-10 12:11:49,374 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1339 transitions. Word has length 64 [2018-11-10 12:11:49,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:49,374 INFO L481 AbstractCegarLoop]: Abstraction has 1089 states and 1339 transitions. [2018-11-10 12:11:49,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 12:11:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1339 transitions. [2018-11-10 12:11:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:11:49,376 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:49,376 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:49,377 INFO L424 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:49,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:49,377 INFO L82 PathProgramCache]: Analyzing trace with hash -907988986, now seen corresponding path program 1 times [2018-11-10 12:11:49,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:49,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:49,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:49,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:49,378 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:49,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:49,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:11:49,472 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:49,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:11:49,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:11:49,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:49,473 INFO L87 Difference]: Start difference. First operand 1089 states and 1339 transitions. Second operand 9 states. [2018-11-10 12:11:49,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:49,707 INFO L93 Difference]: Finished difference Result 1108 states and 1358 transitions. [2018-11-10 12:11:49,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:11:49,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-11-10 12:11:49,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:49,710 INFO L225 Difference]: With dead ends: 1108 [2018-11-10 12:11:49,711 INFO L226 Difference]: Without dead ends: 1079 [2018-11-10 12:11:49,711 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:11:49,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2018-11-10 12:11:49,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1079. [2018-11-10 12:11:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1079 states. [2018-11-10 12:11:49,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1325 transitions. [2018-11-10 12:11:49,794 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1325 transitions. Word has length 64 [2018-11-10 12:11:49,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:49,795 INFO L481 AbstractCegarLoop]: Abstraction has 1079 states and 1325 transitions. [2018-11-10 12:11:49,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:11:49,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1325 transitions. [2018-11-10 12:11:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:11:49,797 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:49,797 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] [2018-11-10 12:11:49,797 INFO L424 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:49,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:49,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1838100456, now seen corresponding path program 1 times [2018-11-10 12:11:49,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:49,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:49,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:49,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:49,798 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:49,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:49,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:11:49,880 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:49,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:11:49,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:11:49,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:49,881 INFO L87 Difference]: Start difference. First operand 1079 states and 1325 transitions. Second operand 9 states. [2018-11-10 12:11:50,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:50,074 INFO L93 Difference]: Finished difference Result 1098 states and 1344 transitions. [2018-11-10 12:11:50,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:11:50,075 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-11-10 12:11:50,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:50,077 INFO L225 Difference]: With dead ends: 1098 [2018-11-10 12:11:50,077 INFO L226 Difference]: Without dead ends: 1071 [2018-11-10 12:11:50,078 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:11:50,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2018-11-10 12:11:50,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1071. [2018-11-10 12:11:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2018-11-10 12:11:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1313 transitions. [2018-11-10 12:11:50,161 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1313 transitions. Word has length 64 [2018-11-10 12:11:50,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:50,162 INFO L481 AbstractCegarLoop]: Abstraction has 1071 states and 1313 transitions. [2018-11-10 12:11:50,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:11:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1313 transitions. [2018-11-10 12:11:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 12:11:50,163 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:50,164 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:50,164 INFO L424 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:50,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:50,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1147470312, now seen corresponding path program 1 times [2018-11-10 12:11:50,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:50,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:50,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:50,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:50,165 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:50,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:50,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:50,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:50,294 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:50,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:50,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:50,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:50,295 INFO L87 Difference]: Start difference. First operand 1071 states and 1313 transitions. Second operand 5 states. [2018-11-10 12:11:50,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:50,937 INFO L93 Difference]: Finished difference Result 1767 states and 2189 transitions. [2018-11-10 12:11:50,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:11:50,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-10 12:11:50,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:50,941 INFO L225 Difference]: With dead ends: 1767 [2018-11-10 12:11:50,941 INFO L226 Difference]: Without dead ends: 1277 [2018-11-10 12:11:50,942 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:11:50,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2018-11-10 12:11:51,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1222. [2018-11-10 12:11:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2018-11-10 12:11:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1504 transitions. [2018-11-10 12:11:51,049 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1504 transitions. Word has length 70 [2018-11-10 12:11:51,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:51,050 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 1504 transitions. [2018-11-10 12:11:51,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1504 transitions. [2018-11-10 12:11:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 12:11:51,052 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:51,052 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:51,052 INFO L424 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:51,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:51,052 INFO L82 PathProgramCache]: Analyzing trace with hash -553467449, now seen corresponding path program 1 times [2018-11-10 12:11:51,052 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:51,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:51,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:51,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:51,053 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:51,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:51,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:11:51,125 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:51,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:11:51,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:11:51,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:51,125 INFO L87 Difference]: Start difference. First operand 1222 states and 1504 transitions. Second operand 9 states. [2018-11-10 12:11:51,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:51,310 INFO L93 Difference]: Finished difference Result 1241 states and 1523 transitions. [2018-11-10 12:11:51,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:11:51,310 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-11-10 12:11:51,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:51,312 INFO L225 Difference]: With dead ends: 1241 [2018-11-10 12:11:51,313 INFO L226 Difference]: Without dead ends: 1170 [2018-11-10 12:11:51,313 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:11:51,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2018-11-10 12:11:51,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2018-11-10 12:11:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1170 states. [2018-11-10 12:11:51,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1440 transitions. [2018-11-10 12:11:51,404 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1440 transitions. Word has length 68 [2018-11-10 12:11:51,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:51,405 INFO L481 AbstractCegarLoop]: Abstraction has 1170 states and 1440 transitions. [2018-11-10 12:11:51,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:11:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1440 transitions. [2018-11-10 12:11:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 12:11:51,407 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:51,407 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:51,407 INFO L424 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:51,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:51,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1928420626, now seen corresponding path program 1 times [2018-11-10 12:11:51,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:51,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:51,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:51,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:51,408 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:51,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:51,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:51,482 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:51,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:51,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:51,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:51,483 INFO L87 Difference]: Start difference. First operand 1170 states and 1440 transitions. Second operand 5 states. [2018-11-10 12:11:51,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:51,605 INFO L93 Difference]: Finished difference Result 1366 states and 1672 transitions. [2018-11-10 12:11:51,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:11:51,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-11-10 12:11:51,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:51,608 INFO L225 Difference]: With dead ends: 1366 [2018-11-10 12:11:51,608 INFO L226 Difference]: Without dead ends: 1190 [2018-11-10 12:11:51,609 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 [2018-11-10 12:11:51,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2018-11-10 12:11:51,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1186. [2018-11-10 12:11:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2018-11-10 12:11:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1458 transitions. [2018-11-10 12:11:51,666 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1458 transitions. Word has length 76 [2018-11-10 12:11:51,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:51,666 INFO L481 AbstractCegarLoop]: Abstraction has 1186 states and 1458 transitions. [2018-11-10 12:11:51,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1458 transitions. [2018-11-10 12:11:51,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 12:11:51,669 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:51,669 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:51,669 INFO L424 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:51,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:51,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1215504625, now seen corresponding path program 1 times [2018-11-10 12:11:51,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:51,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:51,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:51,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:51,673 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:51,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:51,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:11:51,754 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:51,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:11:51,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:11:51,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:51,755 INFO L87 Difference]: Start difference. First operand 1186 states and 1458 transitions. Second operand 9 states. [2018-11-10 12:11:51,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:51,854 INFO L93 Difference]: Finished difference Result 1358 states and 1655 transitions. [2018-11-10 12:11:51,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:11:51,854 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-11-10 12:11:51,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:51,857 INFO L225 Difference]: With dead ends: 1358 [2018-11-10 12:11:51,857 INFO L226 Difference]: Without dead ends: 1142 [2018-11-10 12:11:51,858 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:11:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2018-11-10 12:11:51,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1142. [2018-11-10 12:11:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1142 states. [2018-11-10 12:11:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1396 transitions. [2018-11-10 12:11:51,942 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1396 transitions. Word has length 76 [2018-11-10 12:11:51,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:51,942 INFO L481 AbstractCegarLoop]: Abstraction has 1142 states and 1396 transitions. [2018-11-10 12:11:51,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:11:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1396 transitions. [2018-11-10 12:11:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 12:11:51,944 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:51,944 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:51,945 INFO L424 AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:51,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:51,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1535169304, now seen corresponding path program 1 times [2018-11-10 12:11:51,945 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:51,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:51,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:51,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:51,946 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:52,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:52,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:11:52,025 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:52,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:11:52,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:11:52,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:52,026 INFO L87 Difference]: Start difference. First operand 1142 states and 1396 transitions. Second operand 7 states. [2018-11-10 12:11:52,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:52,534 INFO L93 Difference]: Finished difference Result 1735 states and 2138 transitions. [2018-11-10 12:11:52,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 12:11:52,534 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-10 12:11:52,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:52,537 INFO L225 Difference]: With dead ends: 1735 [2018-11-10 12:11:52,537 INFO L226 Difference]: Without dead ends: 1130 [2018-11-10 12:11:52,538 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-11-10 12:11:52,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2018-11-10 12:11:52,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1110. [2018-11-10 12:11:52,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2018-11-10 12:11:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1346 transitions. [2018-11-10 12:11:52,636 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1346 transitions. Word has length 82 [2018-11-10 12:11:52,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:52,636 INFO L481 AbstractCegarLoop]: Abstraction has 1110 states and 1346 transitions. [2018-11-10 12:11:52,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:11:52,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1346 transitions. [2018-11-10 12:11:52,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 12:11:52,638 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:52,638 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:52,638 INFO L424 AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:52,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:52,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1559428245, now seen corresponding path program 1 times [2018-11-10 12:11:52,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:52,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:52,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:52,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:52,639 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:52,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:52,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:11:52,736 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:52,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:11:52,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:11:52,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:11:52,737 INFO L87 Difference]: Start difference. First operand 1110 states and 1346 transitions. Second operand 6 states. [2018-11-10 12:11:52,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:52,871 INFO L93 Difference]: Finished difference Result 1738 states and 2164 transitions. [2018-11-10 12:11:52,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:11:52,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-10 12:11:52,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:52,875 INFO L225 Difference]: With dead ends: 1738 [2018-11-10 12:11:52,875 INFO L226 Difference]: Without dead ends: 1243 [2018-11-10 12:11:52,876 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:52,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2018-11-10 12:11:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1043. [2018-11-10 12:11:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2018-11-10 12:11:52,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1259 transitions. [2018-11-10 12:11:52,963 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1259 transitions. Word has length 83 [2018-11-10 12:11:52,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:52,964 INFO L481 AbstractCegarLoop]: Abstraction has 1043 states and 1259 transitions. [2018-11-10 12:11:52,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:11:52,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1259 transitions. [2018-11-10 12:11:52,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 12:11:52,965 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:52,965 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:52,965 INFO L424 AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:52,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:52,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1205681528, now seen corresponding path program 1 times [2018-11-10 12:11:52,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:52,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:52,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:52,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:52,966 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:53,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:53,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:11:53,012 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:53,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:11:53,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:11:53,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:11:53,012 INFO L87 Difference]: Start difference. First operand 1043 states and 1259 transitions. Second operand 5 states. [2018-11-10 12:11:53,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:53,505 INFO L93 Difference]: Finished difference Result 1873 states and 2223 transitions. [2018-11-10 12:11:53,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:11:53,505 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-10 12:11:53,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:53,507 INFO L225 Difference]: With dead ends: 1873 [2018-11-10 12:11:53,507 INFO L226 Difference]: Without dead ends: 1176 [2018-11-10 12:11:53,508 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:11:53,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2018-11-10 12:11:53,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1147. [2018-11-10 12:11:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2018-11-10 12:11:53,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1358 transitions. [2018-11-10 12:11:53,610 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1358 transitions. Word has length 78 [2018-11-10 12:11:53,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:53,610 INFO L481 AbstractCegarLoop]: Abstraction has 1147 states and 1358 transitions. [2018-11-10 12:11:53,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:11:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1358 transitions. [2018-11-10 12:11:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 12:11:53,611 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:53,611 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:53,612 INFO L424 AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:53,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:53,612 INFO L82 PathProgramCache]: Analyzing trace with hash -707993271, now seen corresponding path program 1 times [2018-11-10 12:11:53,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:53,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:53,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:53,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:53,612 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:53,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:53,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:11:53,699 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:53,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:11:53,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:11:53,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:53,699 INFO L87 Difference]: Start difference. First operand 1147 states and 1358 transitions. Second operand 9 states. [2018-11-10 12:11:53,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:53,879 INFO L93 Difference]: Finished difference Result 1149 states and 1359 transitions. [2018-11-10 12:11:53,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:11:53,879 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2018-11-10 12:11:53,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:53,881 INFO L225 Difference]: With dead ends: 1149 [2018-11-10 12:11:53,881 INFO L226 Difference]: Without dead ends: 1024 [2018-11-10 12:11:53,881 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:11:53,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2018-11-10 12:11:53,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1024. [2018-11-10 12:11:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2018-11-10 12:11:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1215 transitions. [2018-11-10 12:11:53,955 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1215 transitions. Word has length 81 [2018-11-10 12:11:53,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:53,955 INFO L481 AbstractCegarLoop]: Abstraction has 1024 states and 1215 transitions. [2018-11-10 12:11:53,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:11:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1215 transitions. [2018-11-10 12:11:53,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 12:11:53,956 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:53,957 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:53,957 INFO L424 AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:53,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:53,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1597536254, now seen corresponding path program 1 times [2018-11-10 12:11:53,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:53,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:53,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:53,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:53,958 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:11:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:11:54,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:11:54,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:11:54,037 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:11:54,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:11:54,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:11:54,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:11:54,038 INFO L87 Difference]: Start difference. First operand 1024 states and 1215 transitions. Second operand 9 states. [2018-11-10 12:11:54,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:11:54,249 INFO L93 Difference]: Finished difference Result 1061 states and 1254 transitions. [2018-11-10 12:11:54,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:11:54,249 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-10 12:11:54,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:11:54,251 INFO L225 Difference]: With dead ends: 1061 [2018-11-10 12:11:54,251 INFO L226 Difference]: Without dead ends: 1036 [2018-11-10 12:11:54,251 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 [2018-11-10 12:11:54,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-11-10 12:11:54,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1024. [2018-11-10 12:11:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2018-11-10 12:11:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1213 transitions. [2018-11-10 12:11:54,337 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1213 transitions. Word has length 88 [2018-11-10 12:11:54,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:11:54,337 INFO L481 AbstractCegarLoop]: Abstraction has 1024 states and 1213 transitions. [2018-11-10 12:11:54,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:11:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1213 transitions. [2018-11-10 12:11:54,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-10 12:11:54,339 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:54,339 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:54,339 INFO L424 AbstractCegarLoop]: === Iteration 55 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:54,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:54,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1371250876, now seen corresponding path program 1 times [2018-11-10 12:11:54,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:11:54,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:54,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:54,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:54,340 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:11:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:11:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:11:54,418 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 12:11:54,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:11:54 BoogieIcfgContainer [2018-11-10 12:11:54,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:11:54,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:11:54,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:11:54,504 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:11:54,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:11:37" (3/4) ... [2018-11-10 12:11:54,507 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 12:11:54,607 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0268850b-f0d4-46c4-9187-640ed894ae24/bin-2019/utaipan/witness.graphml [2018-11-10 12:11:54,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:11:54,608 INFO L168 Benchmark]: Toolchain (without parser) took 18085.08 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 712.0 MB). Free memory was 957.5 MB in the beginning and 1.5 GB in the end (delta: -514.6 MB). Peak memory consumption was 197.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:54,609 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:11:54,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.35 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:54,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -210.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:54,609 INFO L168 Benchmark]: Boogie Preprocessor took 41.29 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:54,610 INFO L168 Benchmark]: RCFGBuilder took 828.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 116.8 MB). Peak memory consumption was 116.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:54,610 INFO L168 Benchmark]: TraceAbstraction took 16708.70 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 572.0 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -494.6 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:54,610 INFO L168 Benchmark]: Witness Printer took 103.07 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:54,612 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.35 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -210.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.29 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 828.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 116.8 MB). Peak memory consumption was 116.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16708.70 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 572.0 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -494.6 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. * Witness Printer took 103.07 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1626]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L41] int FloppyThread ; [L42] int KernelMode ; [L43] int Suspended ; [L44] int Executive ; [L45] int DiskController ; [L46] int FloppyDiskPeripheral ; [L47] int FlConfigCallBack ; [L48] int MaximumInterfaceType ; [L49] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L50] int myStatus ; [L51] int s ; [L52] int UNLOADED ; [L53] int NP ; [L54] int DC ; [L55] int SKIP1 ; [L56] int SKIP2 ; [L57] int MPR1 ; [L58] int MPR3 ; [L59] int IPC ; [L60] int pended ; [L61] int compRegistered ; [L62] int lowerDriverReturn ; [L63] int setEventCalled ; [L64] int customIrp ; [L87] int PagingReferenceCount = 0; [L88] int PagingMutex = 0; VAL [\old(compRegistered)=277, \old(customIrp)=280, \old(DC)=274, \old(DiskController)=276, \old(Executive)=278, \old(FlConfigCallBack)=265, \old(FloppyDiskPeripheral)=275, \old(FloppyThread)=261, \old(IPC)=262, \old(KernelMode)=272, \old(lowerDriverReturn)=285, \old(MaximumInterfaceType)=284, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=260, \old(MPR1)=268, \old(MPR3)=281, \old(myStatus)=283, \old(NP)=279, \old(PagingMutex)=266, \old(PagingReferenceCount)=270, \old(pended)=271, \old(s)=263, \old(setEventCalled)=282, \old(SKIP1)=267, \old(SKIP2)=264, \old(Suspended)=269, \old(UNLOADED)=273, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L667] int status ; [L668] int irp = __VERIFIER_nondet_int() ; [L669] int pirp ; [L670] int pirp__IoStatus__Status ; [L671] int irp_choice = __VERIFIER_nondet_int() ; [L672] int devobj = __VERIFIER_nondet_int() ; [L673] int __cil_tmp8 ; [L675] FloppyThread = 0 [L676] KernelMode = 0 [L677] Suspended = 0 [L678] Executive = 0 [L679] DiskController = 0 [L680] FloppyDiskPeripheral = 0 [L681] FlConfigCallBack = 0 [L682] MaximumInterfaceType = 0 [L683] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L684] myStatus = 0 [L685] s = 0 [L686] UNLOADED = 0 [L687] NP = 0 [L688] DC = 0 [L689] SKIP1 = 0 [L690] SKIP2 = 0 [L691] MPR1 = 0 [L692] MPR3 = 0 [L693] IPC = 0 [L694] pended = 0 [L695] compRegistered = 0 [L696] lowerDriverReturn = 0 [L697] setEventCalled = 0 [L698] customIrp = 0 [L702] status = 0 [L703] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L704] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L70] UNLOADED = 0 [L71] NP = 1 [L72] DC = 2 [L73] SKIP1 = 3 [L74] SKIP2 = 4 [L75] MPR1 = 5 [L76] MPR3 = 6 [L77] IPC = 7 [L78] s = UNLOADED [L79] pended = 0 [L80] compRegistered = 0 [L81] lowerDriverReturn = 0 [L82] setEventCalled = 0 [L83] RET customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L704] _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L706] COND TRUE status >= 0 [L707] s = NP [L708] customIrp = 0 [L709] setEventCalled = customIrp [L710] lowerDriverReturn = setEventCalled [L711] compRegistered = lowerDriverReturn [L712] pended = compRegistered [L713] pirp__IoStatus__Status = 0 [L714] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L715] COND TRUE irp_choice == 0 [L716] pirp__IoStatus__Status = -1073741637 [L717] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L720] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L657] s = NP [L658] pended = 0 [L659] compRegistered = 0 [L660] lowerDriverReturn = 0 [L661] setEventCalled = 0 [L662] RET customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L720] stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L723] COND FALSE !(status < 0) [L727] int tmp_ndt_1; [L728] tmp_ndt_1 = __VERIFIER_nondet_int() [L729] COND FALSE !(tmp_ndt_1 == 0) [L732] int tmp_ndt_2; [L733] tmp_ndt_2 = __VERIFIER_nondet_int() [L734] COND FALSE !(tmp_ndt_2 == 1) [L737] int tmp_ndt_3; [L738] tmp_ndt_3 = __VERIFIER_nondet_int() [L739] COND FALSE !(tmp_ndt_3 == 2) [L742] int tmp_ndt_4; [L743] tmp_ndt_4 = __VERIFIER_nondet_int() [L744] COND TRUE tmp_ndt_4 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L160] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L161] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L162] int Irp__IoStatus__Information ; [L163] int Irp__IoStatus__Status ; [L164] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L165] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L166] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L167] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L168] int disketteExtension__HoldNewRequests ; [L169] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L170] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L171] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L172] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L173] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L174] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L175] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L176] int irpSp ; [L177] int disketteExtension ; [L178] int ntStatus ; [L179] int doneEvent = __VERIFIER_nondet_int() ; [L180] int irpSp___0 ; [L181] int nextIrpSp ; [L182] int nextIrpSp__Control ; [L183] int irpSp___1 ; [L184] int irpSp__Context ; [L185] int irpSp__Control ; [L186] long __cil_tmp29 ; [L187] long __cil_tmp30 ; [L190] ntStatus = 0 [L191] PagingReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L192] COND TRUE PagingReferenceCount == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] disketteExtension = DeviceObject__DeviceExtension [L196] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L197] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L206] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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 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] [L235] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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 FALSE !(! disketteExtension__IsStarted) [L254] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L255] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L97] int status ; [L98] int threadHandle = __VERIFIER_nondet_int() ; [L99] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L100] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L101] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L102] int Irp__IoStatus__Status ; [L103] int Irp__IoStatus__Information ; [L104] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L105] int ObjAttributes = __VERIFIER_nondet_int() ; [L106] int __cil_tmp12 ; [L107] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-3, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L110] COND FALSE !(DisketteExtension__PoweringDown == 1) [L116] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L117] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L149] COND TRUE pended == 0 [L150] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L156] RET return (259); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L255] EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L255] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L258] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L259] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L261-L262] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1065] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1074] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1078] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1085] int tmp_ndt_12; [L1086] tmp_ndt_12 = __VERIFIER_nondet_int() [L1087] COND TRUE tmp_ndt_12 == 0 VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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_12=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1093] 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_12=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L261-L262] KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L264] 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] [L267] disketteExtension__FloppyThread = 0 [L268] Irp__IoStatus__Status = 0 [L269] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L270] COND TRUE s == NP [L271] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L278] Irp__CurrentLocation ++ [L279] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L967] int returnVal2 ; [L968] int compRetStatus1 ; [L969] int lcontext = __VERIFIER_nondet_int() ; [L970] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L973] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L986] int tmp_ndt_10; [L987] tmp_ndt_10 = __VERIFIER_nondet_int() [L988] COND TRUE tmp_ndt_10 == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L999] returnVal2 = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1012] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1016] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1025] COND TRUE s == SKIP1 [L1026] s = SKIP2 [L1027] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1035] RET return (returnVal2); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L280] EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L426] PagingReferenceCount -- VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L427] COND TRUE PagingReferenceCount == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L430] RET return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L766] EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] status = FloppyPnp(devobj, pirp) [L779] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L780] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L787] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L788] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L795] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L796] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L797] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L811] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L812] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L813] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1626] __VERIFIER_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 417 locations, 1 error locations. UNSAFE Result, 16.6s OverallTime, 55 OverallIterations, 1 TraceHistogramMax, 10.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25201 SDtfs, 11521 SDslu, 68933 SDs, 0 SdLazy, 7770 SolverSat, 1933 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 411 GetRequests, 129 SyntacticMatches, 12 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1272occurred in iteration=29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 54 MinimizatonAttempts, 1946 StatesRemovedByMinimization, 34 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 3084 NumberOfCodeBlocks, 3084 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2945 ConstructedInterpolants, 0 QuantifiedInterpolants, 309371 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 54 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...