java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:04:23,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:04:23,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:04:23,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:04:23,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:04:23,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:04:23,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:04:23,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:04:23,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:04:23,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:04:23,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:04:23,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:04:23,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:04:23,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:04:23,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:04:23,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:04:23,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:04:23,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:04:23,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:04:23,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:04:23,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:04:23,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:04:23,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:04:23,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:04:23,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:04:23,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:04:23,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:04:23,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:04:23,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:04:23,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:04:23,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:04:23,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:04:23,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:04:23,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:04:23,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:04:23,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:04:23,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:04:23,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:04:23,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:04:23,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:04:23,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:04:23,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:04:23,963 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:04:23,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:04:23,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:04:23,964 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:04:23,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:04:23,965 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:04:23,965 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:04:23,966 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:04:23,966 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:04:23,966 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:04:23,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:04:23,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:04:23,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:04:23,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:04:23,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:04:23,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:04:23,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:04:23,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:04:23,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:04:23,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:04:23,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:04:23,969 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:04:23,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:04:23,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:04:23,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:04:23,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:04:23,971 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:04:23,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:04:23,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:04:23,971 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:04:24,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:04:24,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:04:24,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:04:24,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:04:24,029 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:04:24,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-16 17:04:24,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a07221c2/c997197eebcf4fc79197e2e7196e7b50/FLAGb5be4074a [2019-09-16 17:04:24,613 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:04:24,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-16 17:04:24,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a07221c2/c997197eebcf4fc79197e2e7196e7b50/FLAGb5be4074a [2019-09-16 17:04:24,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a07221c2/c997197eebcf4fc79197e2e7196e7b50 [2019-09-16 17:04:24,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:04:24,943 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:04:24,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:04:24,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:04:24,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:04:24,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:04:24" (1/1) ... [2019-09-16 17:04:24,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb34809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:24, skipping insertion in model container [2019-09-16 17:04:24,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:04:24" (1/1) ... [2019-09-16 17:04:24,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:04:25,040 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:04:25,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:04:25,548 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:04:25,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:04:25,716 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:04:25,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:25 WrapperNode [2019-09-16 17:04:25,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:04:25,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:04:25,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:04:25,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:04:25,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:25" (1/1) ... [2019-09-16 17:04:25,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:25" (1/1) ... [2019-09-16 17:04:25,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:25" (1/1) ... [2019-09-16 17:04:25,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:25" (1/1) ... [2019-09-16 17:04:25,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:25" (1/1) ... [2019-09-16 17:04:25,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:25" (1/1) ... [2019-09-16 17:04:25,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:25" (1/1) ... [2019-09-16 17:04:25,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:04:25,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:04:25,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:04:25,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:04:25,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-09-16 17:04:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:04:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:04:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-16 17:04:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-16 17:04:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-16 17:04:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-16 17:04:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-16 17:04:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-16 17:04:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-16 17:04:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-16 17:04:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-16 17:04:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-16 17:04:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:04:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-16 17:04:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-16 17:04:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-16 17:04:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-16 17:04:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-16 17:04:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-16 17:04:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-16 17:04:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-16 17:04:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-16 17:04:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-16 17:04:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-16 17:04:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-16 17:04:25,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-16 17:04:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:04:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-16 17:04:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:04:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-16 17:04:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-16 17:04:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-16 17:04:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-16 17:04:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-16 17:04:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-16 17:04:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-16 17:04:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-16 17:04:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-16 17:04:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-16 17:04:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-16 17:04:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-16 17:04:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-16 17:04:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-16 17:04:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-16 17:04:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-16 17:04:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-16 17:04:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-16 17:04:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-16 17:04:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-16 17:04:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-16 17:04:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-16 17:04:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-16 17:04:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-16 17:04:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:04:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-16 17:04:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:04:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:04:26,135 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:26,258 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-16 17:04:26,258 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-16 17:04:26,269 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:26,286 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-16 17:04:26,286 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-16 17:04:26,301 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:26,606 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-16 17:04:26,607 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-16 17:04:26,608 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:26,703 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-16 17:04:26,703 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-16 17:04:26,716 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:26,750 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-16 17:04:26,750 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-16 17:04:26,863 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:26,873 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-16 17:04:26,874 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-16 17:04:26,874 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:26,885 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-16 17:04:26,886 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-16 17:04:26,887 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:26,900 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-16 17:04:26,900 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-16 17:04:26,947 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:26,990 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-16 17:04:26,991 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-16 17:04:27,020 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:27,029 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-16 17:04:27,029 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-16 17:04:27,030 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:27,049 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-16 17:04:27,049 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-16 17:04:27,050 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:04:27,065 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-16 17:04:27,066 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-16 17:04:27,079 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:04:27,079 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:04:27,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:04:27 BoogieIcfgContainer [2019-09-16 17:04:27,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:04:27,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:04:27,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:04:27,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:04:27,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:04:24" (1/3) ... [2019-09-16 17:04:27,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb5578e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:04:27, skipping insertion in model container [2019-09-16 17:04:27,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:25" (2/3) ... [2019-09-16 17:04:27,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb5578e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:04:27, skipping insertion in model container [2019-09-16 17:04:27,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:04:27" (3/3) ... [2019-09-16 17:04:27,096 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2019-09-16 17:04:27,111 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:04:27,124 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:04:27,146 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:04:27,182 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:04:27,182 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:04:27,182 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:04:27,182 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:04:27,183 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:04:27,183 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:04:27,183 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:04:27,183 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:04:27,257 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-09-16 17:04:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-16 17:04:27,270 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:27,272 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:04:27,275 INFO L418 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:27,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:27,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1935172457, now seen corresponding path program 1 times [2019-09-16 17:04:27,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:27,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:27,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:27,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:27,364 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:27,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:27,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:27,604 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:27,610 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:27,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:27,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:27,626 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 3 states. [2019-09-16 17:04:27,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:27,707 INFO L93 Difference]: Finished difference Result 301 states and 402 transitions. [2019-09-16 17:04:27,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:27,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-09-16 17:04:27,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:27,726 INFO L225 Difference]: With dead ends: 301 [2019-09-16 17:04:27,727 INFO L226 Difference]: Without dead ends: 294 [2019-09-16 17:04:27,729 INFO L636 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 [2019-09-16 17:04:27,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-09-16 17:04:27,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2019-09-16 17:04:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-09-16 17:04:27,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 388 transitions. [2019-09-16 17:04:27,803 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 388 transitions. Word has length 20 [2019-09-16 17:04:27,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:27,803 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 388 transitions. [2019-09-16 17:04:27,804 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 388 transitions. [2019-09-16 17:04:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-09-16 17:04:27,805 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:27,805 INFO L407 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] [2019-09-16 17:04:27,805 INFO L418 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:27,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:27,806 INFO L82 PathProgramCache]: Analyzing trace with hash -657914795, now seen corresponding path program 1 times [2019-09-16 17:04:27,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:27,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:27,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:27,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:27,809 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:27,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:27,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:27,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:04:27,989 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:27,990 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:04:27,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:04:27,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:04:27,991 INFO L87 Difference]: Start difference. First operand 294 states and 388 transitions. Second operand 4 states. [2019-09-16 17:04:28,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:28,371 INFO L93 Difference]: Finished difference Result 501 states and 648 transitions. [2019-09-16 17:04:28,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:04:28,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-09-16 17:04:28,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:28,377 INFO L225 Difference]: With dead ends: 501 [2019-09-16 17:04:28,378 INFO L226 Difference]: Without dead ends: 501 [2019-09-16 17:04:28,379 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:04:28,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-09-16 17:04:28,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 383. [2019-09-16 17:04:28,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-09-16 17:04:28,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 500 transitions. [2019-09-16 17:04:28,437 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 500 transitions. Word has length 28 [2019-09-16 17:04:28,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:28,437 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 500 transitions. [2019-09-16 17:04:28,437 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:04:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 500 transitions. [2019-09-16 17:04:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-09-16 17:04:28,439 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:28,439 INFO L407 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] [2019-09-16 17:04:28,439 INFO L418 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:28,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:28,439 INFO L82 PathProgramCache]: Analyzing trace with hash 151431831, now seen corresponding path program 1 times [2019-09-16 17:04:28,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:28,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:28,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:28,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:28,443 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:28,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:28,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:28,544 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:28,545 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:28,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:28,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:28,546 INFO L87 Difference]: Start difference. First operand 383 states and 500 transitions. Second operand 3 states. [2019-09-16 17:04:28,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:28,685 INFO L93 Difference]: Finished difference Result 540 states and 704 transitions. [2019-09-16 17:04:28,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:28,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-09-16 17:04:28,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:28,692 INFO L225 Difference]: With dead ends: 540 [2019-09-16 17:04:28,692 INFO L226 Difference]: Without dead ends: 539 [2019-09-16 17:04:28,693 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:28,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-09-16 17:04:28,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 520. [2019-09-16 17:04:28,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-09-16 17:04:28,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 679 transitions. [2019-09-16 17:04:28,725 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 679 transitions. Word has length 28 [2019-09-16 17:04:28,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:28,725 INFO L475 AbstractCegarLoop]: Abstraction has 520 states and 679 transitions. [2019-09-16 17:04:28,725 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 679 transitions. [2019-09-16 17:04:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-09-16 17:04:28,727 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:28,727 INFO L407 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] [2019-09-16 17:04:28,728 INFO L418 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:28,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:28,729 INFO L82 PathProgramCache]: Analyzing trace with hash -523056827, now seen corresponding path program 1 times [2019-09-16 17:04:28,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:28,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:28,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:28,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:28,732 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:28,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:28,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:28,879 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:28,879 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:28,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:28,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:28,881 INFO L87 Difference]: Start difference. First operand 520 states and 679 transitions. Second operand 3 states. [2019-09-16 17:04:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:28,920 INFO L93 Difference]: Finished difference Result 735 states and 968 transitions. [2019-09-16 17:04:28,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:28,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-09-16 17:04:28,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:28,926 INFO L225 Difference]: With dead ends: 735 [2019-09-16 17:04:28,926 INFO L226 Difference]: Without dead ends: 735 [2019-09-16 17:04:28,927 INFO L636 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 [2019-09-16 17:04:28,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2019-09-16 17:04:28,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 702. [2019-09-16 17:04:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2019-09-16 17:04:28,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 929 transitions. [2019-09-16 17:04:28,956 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 929 transitions. Word has length 30 [2019-09-16 17:04:28,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:28,956 INFO L475 AbstractCegarLoop]: Abstraction has 702 states and 929 transitions. [2019-09-16 17:04:28,956 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:28,956 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 929 transitions. [2019-09-16 17:04:28,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-16 17:04:28,958 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:28,958 INFO L407 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] [2019-09-16 17:04:28,959 INFO L418 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:28,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:28,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1040933871, now seen corresponding path program 1 times [2019-09-16 17:04:28,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:28,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:28,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:28,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:28,962 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:29,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:29,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:29,020 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:29,021 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:29,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:29,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:29,021 INFO L87 Difference]: Start difference. First operand 702 states and 929 transitions. Second operand 3 states. [2019-09-16 17:04:29,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:29,059 INFO L93 Difference]: Finished difference Result 830 states and 1086 transitions. [2019-09-16 17:04:29,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:29,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-09-16 17:04:29,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:29,065 INFO L225 Difference]: With dead ends: 830 [2019-09-16 17:04:29,066 INFO L226 Difference]: Without dead ends: 830 [2019-09-16 17:04:29,066 INFO L636 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 [2019-09-16 17:04:29,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2019-09-16 17:04:29,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 791. [2019-09-16 17:04:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-09-16 17:04:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1044 transitions. [2019-09-16 17:04:29,094 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1044 transitions. Word has length 34 [2019-09-16 17:04:29,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:29,094 INFO L475 AbstractCegarLoop]: Abstraction has 791 states and 1044 transitions. [2019-09-16 17:04:29,094 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1044 transitions. [2019-09-16 17:04:29,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-09-16 17:04:29,097 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:29,097 INFO L407 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] [2019-09-16 17:04:29,098 INFO L418 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:29,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:29,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1618645229, now seen corresponding path program 1 times [2019-09-16 17:04:29,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:29,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:29,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:29,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:29,101 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:29,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:29,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:29,148 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:29,149 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:29,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:29,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:29,150 INFO L87 Difference]: Start difference. First operand 791 states and 1044 transitions. Second operand 3 states. [2019-09-16 17:04:29,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:29,271 INFO L93 Difference]: Finished difference Result 1185 states and 1585 transitions. [2019-09-16 17:04:29,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:29,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-09-16 17:04:29,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:29,279 INFO L225 Difference]: With dead ends: 1185 [2019-09-16 17:04:29,279 INFO L226 Difference]: Without dead ends: 1185 [2019-09-16 17:04:29,279 INFO L636 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 [2019-09-16 17:04:29,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-09-16 17:04:29,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 918. [2019-09-16 17:04:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2019-09-16 17:04:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1219 transitions. [2019-09-16 17:04:29,315 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1219 transitions. Word has length 41 [2019-09-16 17:04:29,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:29,315 INFO L475 AbstractCegarLoop]: Abstraction has 918 states and 1219 transitions. [2019-09-16 17:04:29,315 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1219 transitions. [2019-09-16 17:04:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-09-16 17:04:29,318 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:29,318 INFO L407 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] [2019-09-16 17:04:29,318 INFO L418 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:29,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:29,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1801190041, now seen corresponding path program 1 times [2019-09-16 17:04:29,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:29,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:29,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:29,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:29,321 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:29,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:29,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:29,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:29,373 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:29,374 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:29,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:29,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:29,375 INFO L87 Difference]: Start difference. First operand 918 states and 1219 transitions. Second operand 3 states. [2019-09-16 17:04:29,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:29,460 INFO L93 Difference]: Finished difference Result 930 states and 1233 transitions. [2019-09-16 17:04:29,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:29,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-09-16 17:04:29,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:29,466 INFO L225 Difference]: With dead ends: 930 [2019-09-16 17:04:29,467 INFO L226 Difference]: Without dead ends: 930 [2019-09-16 17:04:29,467 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:29,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2019-09-16 17:04:29,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 929. [2019-09-16 17:04:29,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2019-09-16 17:04:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1231 transitions. [2019-09-16 17:04:29,494 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1231 transitions. Word has length 40 [2019-09-16 17:04:29,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:29,494 INFO L475 AbstractCegarLoop]: Abstraction has 929 states and 1231 transitions. [2019-09-16 17:04:29,495 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:29,495 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1231 transitions. [2019-09-16 17:04:29,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-09-16 17:04:29,496 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:29,496 INFO L407 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] [2019-09-16 17:04:29,497 INFO L418 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:29,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:29,497 INFO L82 PathProgramCache]: Analyzing trace with hash -2006089857, now seen corresponding path program 1 times [2019-09-16 17:04:29,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:29,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:29,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:29,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:29,500 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:29,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:29,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:29,561 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:29,562 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:29,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:29,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:29,567 INFO L87 Difference]: Start difference. First operand 929 states and 1231 transitions. Second operand 3 states. [2019-09-16 17:04:29,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:29,646 INFO L93 Difference]: Finished difference Result 968 states and 1278 transitions. [2019-09-16 17:04:29,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:29,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-09-16 17:04:29,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:29,656 INFO L225 Difference]: With dead ends: 968 [2019-09-16 17:04:29,657 INFO L226 Difference]: Without dead ends: 968 [2019-09-16 17:04:29,657 INFO L636 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 [2019-09-16 17:04:29,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2019-09-16 17:04:29,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 964. [2019-09-16 17:04:29,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2019-09-16 17:04:29,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1275 transitions. [2019-09-16 17:04:29,692 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1275 transitions. Word has length 41 [2019-09-16 17:04:29,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:29,693 INFO L475 AbstractCegarLoop]: Abstraction has 964 states and 1275 transitions. [2019-09-16 17:04:29,693 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1275 transitions. [2019-09-16 17:04:29,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-16 17:04:29,694 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:29,695 INFO L407 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] [2019-09-16 17:04:29,695 INFO L418 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:29,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:29,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1123776538, now seen corresponding path program 1 times [2019-09-16 17:04:29,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:29,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:29,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:29,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:29,700 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:29,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:29,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 17:04:29,916 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:29,916 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 17:04:29,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 17:04:29,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-16 17:04:29,917 INFO L87 Difference]: Start difference. First operand 964 states and 1275 transitions. Second operand 8 states. [2019-09-16 17:04:30,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:30,813 INFO L93 Difference]: Finished difference Result 1145 states and 1506 transitions. [2019-09-16 17:04:30,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 17:04:30,814 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2019-09-16 17:04:30,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:30,823 INFO L225 Difference]: With dead ends: 1145 [2019-09-16 17:04:30,823 INFO L226 Difference]: Without dead ends: 1145 [2019-09-16 17:04:30,825 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-09-16 17:04:30,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2019-09-16 17:04:30,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 949. [2019-09-16 17:04:30,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-09-16 17:04:30,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1240 transitions. [2019-09-16 17:04:30,892 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1240 transitions. Word has length 42 [2019-09-16 17:04:30,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:30,892 INFO L475 AbstractCegarLoop]: Abstraction has 949 states and 1240 transitions. [2019-09-16 17:04:30,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 17:04:30,892 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1240 transitions. [2019-09-16 17:04:30,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-16 17:04:30,894 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:30,894 INFO L407 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] [2019-09-16 17:04:30,894 INFO L418 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:30,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:30,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1606408613, now seen corresponding path program 1 times [2019-09-16 17:04:30,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:30,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:30,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:30,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:30,900 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:30,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:30,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 17:04:30,994 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:30,994 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 17:04:30,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 17:04:30,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 17:04:30,995 INFO L87 Difference]: Start difference. First operand 949 states and 1240 transitions. Second operand 8 states. [2019-09-16 17:04:31,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:31,605 INFO L93 Difference]: Finished difference Result 967 states and 1256 transitions. [2019-09-16 17:04:31,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:04:31,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2019-09-16 17:04:31,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:31,611 INFO L225 Difference]: With dead ends: 967 [2019-09-16 17:04:31,611 INFO L226 Difference]: Without dead ends: 967 [2019-09-16 17:04:31,611 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-09-16 17:04:31,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2019-09-16 17:04:31,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 949. [2019-09-16 17:04:31,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-09-16 17:04:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1238 transitions. [2019-09-16 17:04:31,638 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1238 transitions. Word has length 42 [2019-09-16 17:04:31,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:31,639 INFO L475 AbstractCegarLoop]: Abstraction has 949 states and 1238 transitions. [2019-09-16 17:04:31,639 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 17:04:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1238 transitions. [2019-09-16 17:04:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-09-16 17:04:31,640 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:31,640 INFO L407 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] [2019-09-16 17:04:31,640 INFO L418 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:31,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:31,641 INFO L82 PathProgramCache]: Analyzing trace with hash 851921771, now seen corresponding path program 1 times [2019-09-16 17:04:31,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:31,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:31,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:31,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:31,643 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:31,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:31,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 17:04:31,725 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:31,725 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 17:04:31,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 17:04:31,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 17:04:31,726 INFO L87 Difference]: Start difference. First operand 949 states and 1238 transitions. Second operand 8 states. [2019-09-16 17:04:32,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:32,342 INFO L93 Difference]: Finished difference Result 967 states and 1253 transitions. [2019-09-16 17:04:32,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:04:32,343 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2019-09-16 17:04:32,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:32,356 INFO L225 Difference]: With dead ends: 967 [2019-09-16 17:04:32,357 INFO L226 Difference]: Without dead ends: 967 [2019-09-16 17:04:32,358 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-09-16 17:04:32,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2019-09-16 17:04:32,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 949. [2019-09-16 17:04:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-09-16 17:04:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1236 transitions. [2019-09-16 17:04:32,400 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1236 transitions. Word has length 43 [2019-09-16 17:04:32,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:32,400 INFO L475 AbstractCegarLoop]: Abstraction has 949 states and 1236 transitions. [2019-09-16 17:04:32,400 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 17:04:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1236 transitions. [2019-09-16 17:04:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-09-16 17:04:32,403 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:32,406 INFO L407 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] [2019-09-16 17:04:32,406 INFO L418 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:32,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:32,407 INFO L82 PathProgramCache]: Analyzing trace with hash 694919684, now seen corresponding path program 1 times [2019-09-16 17:04:32,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:32,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:32,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:32,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:32,412 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:32,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:32,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:04:32,492 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:32,492 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:04:32,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:04:32,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:04:32,494 INFO L87 Difference]: Start difference. First operand 949 states and 1236 transitions. Second operand 5 states. [2019-09-16 17:04:32,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:32,538 INFO L93 Difference]: Finished difference Result 962 states and 1248 transitions. [2019-09-16 17:04:32,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:04:32,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-09-16 17:04:32,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:32,547 INFO L225 Difference]: With dead ends: 962 [2019-09-16 17:04:32,547 INFO L226 Difference]: Without dead ends: 947 [2019-09-16 17:04:32,548 INFO L636 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 [2019-09-16 17:04:32,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2019-09-16 17:04:32,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 947. [2019-09-16 17:04:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2019-09-16 17:04:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1232 transitions. [2019-09-16 17:04:32,588 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1232 transitions. Word has length 44 [2019-09-16 17:04:32,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:32,589 INFO L475 AbstractCegarLoop]: Abstraction has 947 states and 1232 transitions. [2019-09-16 17:04:32,589 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:04:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1232 transitions. [2019-09-16 17:04:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-09-16 17:04:32,591 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:32,591 INFO L407 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] [2019-09-16 17:04:32,591 INFO L418 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:32,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:32,592 INFO L82 PathProgramCache]: Analyzing trace with hash -357671628, now seen corresponding path program 1 times [2019-09-16 17:04:32,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:32,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:32,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:32,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:32,596 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:32,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:32,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:04:32,673 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:32,674 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:04:32,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:04:32,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:04:32,675 INFO L87 Difference]: Start difference. First operand 947 states and 1232 transitions. Second operand 4 states. [2019-09-16 17:04:32,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:32,979 INFO L93 Difference]: Finished difference Result 698 states and 871 transitions. [2019-09-16 17:04:32,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:04:32,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2019-09-16 17:04:32,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:32,985 INFO L225 Difference]: With dead ends: 698 [2019-09-16 17:04:32,986 INFO L226 Difference]: Without dead ends: 698 [2019-09-16 17:04:32,986 INFO L636 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 [2019-09-16 17:04:32,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2019-09-16 17:04:33,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 661. [2019-09-16 17:04:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2019-09-16 17:04:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 827 transitions. [2019-09-16 17:04:33,011 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 827 transitions. Word has length 49 [2019-09-16 17:04:33,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:33,012 INFO L475 AbstractCegarLoop]: Abstraction has 661 states and 827 transitions. [2019-09-16 17:04:33,012 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:04:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 827 transitions. [2019-09-16 17:04:33,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-16 17:04:33,013 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:33,014 INFO L407 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] [2019-09-16 17:04:33,014 INFO L418 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:33,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:33,014 INFO L82 PathProgramCache]: Analyzing trace with hash -396227580, now seen corresponding path program 1 times [2019-09-16 17:04:33,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:33,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:33,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:33,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:33,017 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:33,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:33,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:33,077 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:33,078 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:33,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:33,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:33,078 INFO L87 Difference]: Start difference. First operand 661 states and 827 transitions. Second operand 3 states. [2019-09-16 17:04:33,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:33,135 INFO L93 Difference]: Finished difference Result 669 states and 838 transitions. [2019-09-16 17:04:33,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:33,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-09-16 17:04:33,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:33,139 INFO L225 Difference]: With dead ends: 669 [2019-09-16 17:04:33,139 INFO L226 Difference]: Without dead ends: 669 [2019-09-16 17:04:33,140 INFO L636 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 [2019-09-16 17:04:33,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2019-09-16 17:04:33,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2019-09-16 17:04:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2019-09-16 17:04:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 838 transitions. [2019-09-16 17:04:33,157 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 838 transitions. Word has length 55 [2019-09-16 17:04:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:33,157 INFO L475 AbstractCegarLoop]: Abstraction has 669 states and 838 transitions. [2019-09-16 17:04:33,157 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:33,158 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 838 transitions. [2019-09-16 17:04:33,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 17:04:33,159 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:33,159 INFO L407 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] [2019-09-16 17:04:33,160 INFO L418 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:33,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:33,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1957781293, now seen corresponding path program 1 times [2019-09-16 17:04:33,160 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:33,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:33,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:33,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:33,163 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:33,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:33,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:33,222 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:33,223 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:33,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:33,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:33,223 INFO L87 Difference]: Start difference. First operand 669 states and 838 transitions. Second operand 3 states. [2019-09-16 17:04:33,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:33,321 INFO L93 Difference]: Finished difference Result 872 states and 1108 transitions. [2019-09-16 17:04:33,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:33,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-16 17:04:33,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:33,327 INFO L225 Difference]: With dead ends: 872 [2019-09-16 17:04:33,327 INFO L226 Difference]: Without dead ends: 872 [2019-09-16 17:04:33,329 INFO L636 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 [2019-09-16 17:04:33,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2019-09-16 17:04:33,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 739. [2019-09-16 17:04:33,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2019-09-16 17:04:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 923 transitions. [2019-09-16 17:04:33,352 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 923 transitions. Word has length 52 [2019-09-16 17:04:33,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:33,353 INFO L475 AbstractCegarLoop]: Abstraction has 739 states and 923 transitions. [2019-09-16 17:04:33,353 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 923 transitions. [2019-09-16 17:04:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-16 17:04:33,356 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:33,357 INFO L407 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] [2019-09-16 17:04:33,357 INFO L418 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:33,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:33,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1014512749, now seen corresponding path program 1 times [2019-09-16 17:04:33,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:33,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:33,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:33,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:33,359 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:33,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:33,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 17:04:33,425 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:33,426 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 17:04:33,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 17:04:33,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 17:04:33,426 INFO L87 Difference]: Start difference. First operand 739 states and 923 transitions. Second operand 8 states. [2019-09-16 17:04:33,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:33,499 INFO L93 Difference]: Finished difference Result 828 states and 1044 transitions. [2019-09-16 17:04:33,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:04:33,500 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-09-16 17:04:33,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:33,504 INFO L225 Difference]: With dead ends: 828 [2019-09-16 17:04:33,504 INFO L226 Difference]: Without dead ends: 825 [2019-09-16 17:04:33,504 INFO L636 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 [2019-09-16 17:04:33,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2019-09-16 17:04:33,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 786. [2019-09-16 17:04:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-09-16 17:04:33,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 994 transitions. [2019-09-16 17:04:33,525 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 994 transitions. Word has length 53 [2019-09-16 17:04:33,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:33,525 INFO L475 AbstractCegarLoop]: Abstraction has 786 states and 994 transitions. [2019-09-16 17:04:33,525 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 17:04:33,526 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 994 transitions. [2019-09-16 17:04:33,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-16 17:04:33,527 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:33,527 INFO L407 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] [2019-09-16 17:04:33,528 INFO L418 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:33,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:33,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1014789579, now seen corresponding path program 1 times [2019-09-16 17:04:33,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:33,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:33,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:33,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:33,530 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:33,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:33,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 17:04:33,593 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:33,593 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 17:04:33,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 17:04:33,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 17:04:33,594 INFO L87 Difference]: Start difference. First operand 786 states and 994 transitions. Second operand 8 states. [2019-09-16 17:04:33,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:33,774 INFO L93 Difference]: Finished difference Result 813 states and 1025 transitions. [2019-09-16 17:04:33,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:04:33,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-09-16 17:04:33,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:33,781 INFO L225 Difference]: With dead ends: 813 [2019-09-16 17:04:33,781 INFO L226 Difference]: Without dead ends: 800 [2019-09-16 17:04:33,782 INFO L636 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 [2019-09-16 17:04:33,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2019-09-16 17:04:33,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 792. [2019-09-16 17:04:33,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2019-09-16 17:04:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 999 transitions. [2019-09-16 17:04:33,807 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 999 transitions. Word has length 53 [2019-09-16 17:04:33,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:33,808 INFO L475 AbstractCegarLoop]: Abstraction has 792 states and 999 transitions. [2019-09-16 17:04:33,808 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 17:04:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 999 transitions. [2019-09-16 17:04:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-16 17:04:33,810 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:33,810 INFO L407 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] [2019-09-16 17:04:33,810 INFO L418 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:33,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:33,811 INFO L82 PathProgramCache]: Analyzing trace with hash 29740109, now seen corresponding path program 1 times [2019-09-16 17:04:33,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:33,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:33,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:33,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:33,813 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:33,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:33,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:04:33,950 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:33,951 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:04:33,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:04:33,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:04:33,952 INFO L87 Difference]: Start difference. First operand 792 states and 999 transitions. Second operand 5 states. [2019-09-16 17:04:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:33,971 INFO L93 Difference]: Finished difference Result 773 states and 969 transitions. [2019-09-16 17:04:33,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:04:33,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2019-09-16 17:04:33,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:33,976 INFO L225 Difference]: With dead ends: 773 [2019-09-16 17:04:33,976 INFO L226 Difference]: Without dead ends: 773 [2019-09-16 17:04:33,976 INFO L636 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 [2019-09-16 17:04:33,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-09-16 17:04:33,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 773. [2019-09-16 17:04:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2019-09-16 17:04:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 969 transitions. [2019-09-16 17:04:34,000 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 969 transitions. Word has length 61 [2019-09-16 17:04:34,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:34,001 INFO L475 AbstractCegarLoop]: Abstraction has 773 states and 969 transitions. [2019-09-16 17:04:34,001 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:04:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 969 transitions. [2019-09-16 17:04:34,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-16 17:04:34,003 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:34,003 INFO L407 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] [2019-09-16 17:04:34,003 INFO L418 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:34,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:34,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1073013810, now seen corresponding path program 1 times [2019-09-16 17:04:34,004 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:34,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:34,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:34,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:34,006 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:34,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:34,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:34,060 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:34,061 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:34,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:34,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:34,061 INFO L87 Difference]: Start difference. First operand 773 states and 969 transitions. Second operand 3 states. [2019-09-16 17:04:34,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:34,118 INFO L93 Difference]: Finished difference Result 874 states and 1088 transitions. [2019-09-16 17:04:34,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:34,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-09-16 17:04:34,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:34,123 INFO L225 Difference]: With dead ends: 874 [2019-09-16 17:04:34,124 INFO L226 Difference]: Without dead ends: 865 [2019-09-16 17:04:34,125 INFO L636 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 [2019-09-16 17:04:34,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2019-09-16 17:04:34,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 852. [2019-09-16 17:04:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-09-16 17:04:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1065 transitions. [2019-09-16 17:04:34,172 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1065 transitions. Word has length 54 [2019-09-16 17:04:34,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:34,172 INFO L475 AbstractCegarLoop]: Abstraction has 852 states and 1065 transitions. [2019-09-16 17:04:34,172 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1065 transitions. [2019-09-16 17:04:34,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-16 17:04:34,174 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:34,174 INFO L407 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] [2019-09-16 17:04:34,174 INFO L418 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:34,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:34,175 INFO L82 PathProgramCache]: Analyzing trace with hash 929734452, now seen corresponding path program 1 times [2019-09-16 17:04:34,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:34,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:34,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:34,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:34,178 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:34,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:34,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:04:34,248 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:34,248 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:04:34,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:04:34,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:04:34,249 INFO L87 Difference]: Start difference. First operand 852 states and 1065 transitions. Second operand 7 states. [2019-09-16 17:04:34,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:34,962 INFO L93 Difference]: Finished difference Result 775 states and 957 transitions. [2019-09-16 17:04:34,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:04:34,962 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-09-16 17:04:34,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:34,966 INFO L225 Difference]: With dead ends: 775 [2019-09-16 17:04:34,967 INFO L226 Difference]: Without dead ends: 775 [2019-09-16 17:04:34,967 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-09-16 17:04:34,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2019-09-16 17:04:34,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 729. [2019-09-16 17:04:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-09-16 17:04:34,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 900 transitions. [2019-09-16 17:04:34,985 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 900 transitions. Word has length 54 [2019-09-16 17:04:34,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:34,986 INFO L475 AbstractCegarLoop]: Abstraction has 729 states and 900 transitions. [2019-09-16 17:04:34,986 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:04:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 900 transitions. [2019-09-16 17:04:34,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-16 17:04:34,987 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:34,988 INFO L407 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] [2019-09-16 17:04:34,988 INFO L418 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:34,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:34,988 INFO L82 PathProgramCache]: Analyzing trace with hash -221836227, now seen corresponding path program 1 times [2019-09-16 17:04:34,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:34,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:34,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:34,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:34,992 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:35,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:35,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-16 17:04:35,220 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:35,220 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-16 17:04:35,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-16 17:04:35,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-09-16 17:04:35,221 INFO L87 Difference]: Start difference. First operand 729 states and 900 transitions. Second operand 15 states. [2019-09-16 17:04:37,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:37,827 INFO L93 Difference]: Finished difference Result 814 states and 1016 transitions. [2019-09-16 17:04:37,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-16 17:04:37,827 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 54 [2019-09-16 17:04:37,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:37,832 INFO L225 Difference]: With dead ends: 814 [2019-09-16 17:04:37,833 INFO L226 Difference]: Without dead ends: 801 [2019-09-16 17:04:37,833 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=757, Unknown=0, NotChecked=0, Total=870 [2019-09-16 17:04:37,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2019-09-16 17:04:37,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 730. [2019-09-16 17:04:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2019-09-16 17:04:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 902 transitions. [2019-09-16 17:04:37,852 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 902 transitions. Word has length 54 [2019-09-16 17:04:37,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:37,853 INFO L475 AbstractCegarLoop]: Abstraction has 730 states and 902 transitions. [2019-09-16 17:04:37,853 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-16 17:04:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 902 transitions. [2019-09-16 17:04:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-16 17:04:37,856 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:37,856 INFO L407 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] [2019-09-16 17:04:37,856 INFO L418 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:37,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:37,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1566538877, now seen corresponding path program 1 times [2019-09-16 17:04:37,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:37,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:37,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:37,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:37,862 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:37,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:37,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 17:04:37,998 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:37,999 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 17:04:37,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 17:04:37,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:04:38,000 INFO L87 Difference]: Start difference. First operand 730 states and 902 transitions. Second operand 10 states. [2019-09-16 17:04:39,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:39,674 INFO L93 Difference]: Finished difference Result 823 states and 1018 transitions. [2019-09-16 17:04:39,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-16 17:04:39,675 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2019-09-16 17:04:39,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:39,679 INFO L225 Difference]: With dead ends: 823 [2019-09-16 17:04:39,679 INFO L226 Difference]: Without dead ends: 811 [2019-09-16 17:04:39,680 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-09-16 17:04:39,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2019-09-16 17:04:39,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 801. [2019-09-16 17:04:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2019-09-16 17:04:39,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 990 transitions. [2019-09-16 17:04:39,699 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 990 transitions. Word has length 54 [2019-09-16 17:04:39,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:39,700 INFO L475 AbstractCegarLoop]: Abstraction has 801 states and 990 transitions. [2019-09-16 17:04:39,700 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 17:04:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 990 transitions. [2019-09-16 17:04:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-16 17:04:39,702 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:39,702 INFO L407 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] [2019-09-16 17:04:39,703 INFO L418 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:39,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:39,703 INFO L82 PathProgramCache]: Analyzing trace with hash 475410832, now seen corresponding path program 1 times [2019-09-16 17:04:39,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:39,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:39,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:39,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:39,706 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:39,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:39,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:04:39,769 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:39,770 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:04:39,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:04:39,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:04:39,771 INFO L87 Difference]: Start difference. First operand 801 states and 990 transitions. Second operand 6 states. [2019-09-16 17:04:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:39,820 INFO L93 Difference]: Finished difference Result 819 states and 1007 transitions. [2019-09-16 17:04:39,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:04:39,821 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-09-16 17:04:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:39,824 INFO L225 Difference]: With dead ends: 819 [2019-09-16 17:04:39,825 INFO L226 Difference]: Without dead ends: 791 [2019-09-16 17:04:39,825 INFO L636 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 [2019-09-16 17:04:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2019-09-16 17:04:39,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 789. [2019-09-16 17:04:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-09-16 17:04:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 974 transitions. [2019-09-16 17:04:39,854 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 974 transitions. Word has length 57 [2019-09-16 17:04:39,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:39,855 INFO L475 AbstractCegarLoop]: Abstraction has 789 states and 974 transitions. [2019-09-16 17:04:39,855 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:04:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 974 transitions. [2019-09-16 17:04:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-16 17:04:39,859 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:39,859 INFO L407 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] [2019-09-16 17:04:39,859 INFO L418 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:39,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:39,860 INFO L82 PathProgramCache]: Analyzing trace with hash 931099608, now seen corresponding path program 1 times [2019-09-16 17:04:39,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:39,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:39,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:39,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:39,862 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:40,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:40,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-16 17:04:40,013 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:40,014 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-16 17:04:40,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-16 17:04:40,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-09-16 17:04:40,015 INFO L87 Difference]: Start difference. First operand 789 states and 974 transitions. Second operand 11 states. [2019-09-16 17:04:40,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:40,929 INFO L93 Difference]: Finished difference Result 846 states and 1058 transitions. [2019-09-16 17:04:40,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-16 17:04:40,929 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2019-09-16 17:04:40,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:40,934 INFO L225 Difference]: With dead ends: 846 [2019-09-16 17:04:40,934 INFO L226 Difference]: Without dead ends: 834 [2019-09-16 17:04:40,938 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2019-09-16 17:04:40,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2019-09-16 17:04:40,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 789. [2019-09-16 17:04:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-09-16 17:04:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 974 transitions. [2019-09-16 17:04:40,960 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 974 transitions. Word has length 56 [2019-09-16 17:04:40,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:40,960 INFO L475 AbstractCegarLoop]: Abstraction has 789 states and 974 transitions. [2019-09-16 17:04:40,961 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-16 17:04:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 974 transitions. [2019-09-16 17:04:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-16 17:04:40,963 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:40,963 INFO L407 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] [2019-09-16 17:04:40,963 INFO L418 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:40,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:40,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1572656152, now seen corresponding path program 1 times [2019-09-16 17:04:40,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:40,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:40,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:40,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:40,968 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:41,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:41,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:41,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:04:41,036 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:41,037 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:04:41,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:04:41,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:04:41,038 INFO L87 Difference]: Start difference. First operand 789 states and 974 transitions. Second operand 5 states. [2019-09-16 17:04:41,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:41,405 INFO L93 Difference]: Finished difference Result 803 states and 988 transitions. [2019-09-16 17:04:41,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:04:41,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-09-16 17:04:41,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:41,409 INFO L225 Difference]: With dead ends: 803 [2019-09-16 17:04:41,409 INFO L226 Difference]: Without dead ends: 789 [2019-09-16 17:04:41,410 INFO L636 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 [2019-09-16 17:04:41,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2019-09-16 17:04:41,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 771. [2019-09-16 17:04:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-09-16 17:04:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 948 transitions. [2019-09-16 17:04:41,427 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 948 transitions. Word has length 56 [2019-09-16 17:04:41,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:41,428 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 948 transitions. [2019-09-16 17:04:41,428 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:04:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 948 transitions. [2019-09-16 17:04:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-16 17:04:41,430 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:41,430 INFO L407 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] [2019-09-16 17:04:41,430 INFO L418 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:41,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:41,431 INFO L82 PathProgramCache]: Analyzing trace with hash -119702348, now seen corresponding path program 1 times [2019-09-16 17:04:41,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:41,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:41,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:41,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:41,433 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:41,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:41,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:04:41,487 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:41,488 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:04:41,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:04:41,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:04:41,488 INFO L87 Difference]: Start difference. First operand 771 states and 948 transitions. Second operand 5 states. [2019-09-16 17:04:41,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:41,754 INFO L93 Difference]: Finished difference Result 771 states and 946 transitions. [2019-09-16 17:04:41,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:04:41,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-16 17:04:41,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:41,758 INFO L225 Difference]: With dead ends: 771 [2019-09-16 17:04:41,758 INFO L226 Difference]: Without dead ends: 771 [2019-09-16 17:04:41,758 INFO L636 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 [2019-09-16 17:04:41,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2019-09-16 17:04:41,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 771. [2019-09-16 17:04:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-09-16 17:04:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 946 transitions. [2019-09-16 17:04:41,775 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 946 transitions. Word has length 65 [2019-09-16 17:04:41,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:41,776 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 946 transitions. [2019-09-16 17:04:41,776 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:04:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 946 transitions. [2019-09-16 17:04:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-16 17:04:41,777 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:41,778 INFO L407 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] [2019-09-16 17:04:41,778 INFO L418 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:41,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:41,778 INFO L82 PathProgramCache]: Analyzing trace with hash 2029598960, now seen corresponding path program 1 times [2019-09-16 17:04:41,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:41,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:41,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:41,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:41,780 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:41,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:41,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:04:41,820 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:41,820 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:41,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:41,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:41,821 INFO L87 Difference]: Start difference. First operand 771 states and 946 transitions. Second operand 3 states. [2019-09-16 17:04:41,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:41,848 INFO L93 Difference]: Finished difference Result 773 states and 937 transitions. [2019-09-16 17:04:41,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:41,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-09-16 17:04:41,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:41,852 INFO L225 Difference]: With dead ends: 773 [2019-09-16 17:04:41,853 INFO L226 Difference]: Without dead ends: 773 [2019-09-16 17:04:41,853 INFO L636 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 [2019-09-16 17:04:41,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-09-16 17:04:41,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 727. [2019-09-16 17:04:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2019-09-16 17:04:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 882 transitions. [2019-09-16 17:04:41,870 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 882 transitions. Word has length 59 [2019-09-16 17:04:41,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:41,870 INFO L475 AbstractCegarLoop]: Abstraction has 727 states and 882 transitions. [2019-09-16 17:04:41,870 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:41,871 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 882 transitions. [2019-09-16 17:04:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-16 17:04:41,873 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:41,873 INFO L407 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] [2019-09-16 17:04:41,873 INFO L418 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:41,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:41,873 INFO L82 PathProgramCache]: Analyzing trace with hash 257597269, now seen corresponding path program 1 times [2019-09-16 17:04:41,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:41,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:41,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:41,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:41,876 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:41,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:41,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:41,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 17:04:41,943 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:41,943 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 17:04:41,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 17:04:41,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:04:41,944 INFO L87 Difference]: Start difference. First operand 727 states and 882 transitions. Second operand 9 states. [2019-09-16 17:04:42,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:42,099 INFO L93 Difference]: Finished difference Result 753 states and 908 transitions. [2019-09-16 17:04:42,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:04:42,099 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2019-09-16 17:04:42,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:42,102 INFO L225 Difference]: With dead ends: 753 [2019-09-16 17:04:42,103 INFO L226 Difference]: Without dead ends: 722 [2019-09-16 17:04:42,103 INFO L636 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 [2019-09-16 17:04:42,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2019-09-16 17:04:42,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2019-09-16 17:04:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2019-09-16 17:04:42,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 874 transitions. [2019-09-16 17:04:42,118 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 874 transitions. Word has length 58 [2019-09-16 17:04:42,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:42,118 INFO L475 AbstractCegarLoop]: Abstraction has 722 states and 874 transitions. [2019-09-16 17:04:42,118 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 17:04:42,118 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 874 transitions. [2019-09-16 17:04:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-16 17:04:42,120 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:42,121 INFO L407 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] [2019-09-16 17:04:42,121 INFO L418 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:42,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:42,121 INFO L82 PathProgramCache]: Analyzing trace with hash -2140498917, now seen corresponding path program 1 times [2019-09-16 17:04:42,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:42,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:42,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:42,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:42,123 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:42,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:42,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 17:04:42,196 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:42,196 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 17:04:42,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 17:04:42,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:04:42,197 INFO L87 Difference]: Start difference. First operand 722 states and 874 transitions. Second operand 9 states. [2019-09-16 17:04:42,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:42,351 INFO L93 Difference]: Finished difference Result 748 states and 900 transitions. [2019-09-16 17:04:42,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:04:42,352 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-09-16 17:04:42,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:42,356 INFO L225 Difference]: With dead ends: 748 [2019-09-16 17:04:42,356 INFO L226 Difference]: Without dead ends: 716 [2019-09-16 17:04:42,356 INFO L636 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 [2019-09-16 17:04:42,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2019-09-16 17:04:42,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2019-09-16 17:04:42,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2019-09-16 17:04:42,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 865 transitions. [2019-09-16 17:04:42,378 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 865 transitions. Word has length 59 [2019-09-16 17:04:42,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:42,378 INFO L475 AbstractCegarLoop]: Abstraction has 716 states and 865 transitions. [2019-09-16 17:04:42,378 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 17:04:42,378 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 865 transitions. [2019-09-16 17:04:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-16 17:04:42,380 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:42,380 INFO L407 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] [2019-09-16 17:04:42,380 INFO L418 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:42,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:42,380 INFO L82 PathProgramCache]: Analyzing trace with hash -93759059, now seen corresponding path program 1 times [2019-09-16 17:04:42,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:42,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:42,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:42,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:42,383 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:42,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:42,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 17:04:42,448 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:42,448 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 17:04:42,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 17:04:42,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:04:42,449 INFO L87 Difference]: Start difference. First operand 716 states and 865 transitions. Second operand 9 states. [2019-09-16 17:04:42,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:42,625 INFO L93 Difference]: Finished difference Result 742 states and 891 transitions. [2019-09-16 17:04:42,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:04:42,626 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-09-16 17:04:42,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:42,630 INFO L225 Difference]: With dead ends: 742 [2019-09-16 17:04:42,630 INFO L226 Difference]: Without dead ends: 711 [2019-09-16 17:04:42,632 INFO L636 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 [2019-09-16 17:04:42,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2019-09-16 17:04:42,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 711. [2019-09-16 17:04:42,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2019-09-16 17:04:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 857 transitions. [2019-09-16 17:04:42,650 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 857 transitions. Word has length 59 [2019-09-16 17:04:42,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:42,650 INFO L475 AbstractCegarLoop]: Abstraction has 711 states and 857 transitions. [2019-09-16 17:04:42,650 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 17:04:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 857 transitions. [2019-09-16 17:04:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-16 17:04:42,653 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:42,653 INFO L407 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] [2019-09-16 17:04:42,654 INFO L418 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:42,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:42,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1616491651, now seen corresponding path program 1 times [2019-09-16 17:04:42,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:42,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:42,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:42,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:42,658 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:42,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:42,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:04:42,743 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:42,744 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:04:42,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:04:42,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:04:42,744 INFO L87 Difference]: Start difference. First operand 711 states and 857 transitions. Second operand 6 states. [2019-09-16 17:04:42,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:42,787 INFO L93 Difference]: Finished difference Result 754 states and 909 transitions. [2019-09-16 17:04:42,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:04:42,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-09-16 17:04:42,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:42,790 INFO L225 Difference]: With dead ends: 754 [2019-09-16 17:04:42,791 INFO L226 Difference]: Without dead ends: 754 [2019-09-16 17:04:42,791 INFO L636 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 [2019-09-16 17:04:42,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2019-09-16 17:04:42,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 711. [2019-09-16 17:04:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2019-09-16 17:04:42,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 855 transitions. [2019-09-16 17:04:42,805 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 855 transitions. Word has length 68 [2019-09-16 17:04:42,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:42,805 INFO L475 AbstractCegarLoop]: Abstraction has 711 states and 855 transitions. [2019-09-16 17:04:42,805 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:04:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 855 transitions. [2019-09-16 17:04:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-16 17:04:42,807 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:42,807 INFO L407 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] [2019-09-16 17:04:42,807 INFO L418 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:42,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:42,808 INFO L82 PathProgramCache]: Analyzing trace with hash -795076974, now seen corresponding path program 1 times [2019-09-16 17:04:42,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:42,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:42,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:42,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:42,811 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:42,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:42,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:04:42,873 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:42,873 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:04:42,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:04:42,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:04:42,874 INFO L87 Difference]: Start difference. First operand 711 states and 855 transitions. Second operand 5 states. [2019-09-16 17:04:42,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:42,893 INFO L93 Difference]: Finished difference Result 694 states and 835 transitions. [2019-09-16 17:04:42,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:04:42,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2019-09-16 17:04:42,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:42,896 INFO L225 Difference]: With dead ends: 694 [2019-09-16 17:04:42,897 INFO L226 Difference]: Without dead ends: 694 [2019-09-16 17:04:42,898 INFO L636 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 [2019-09-16 17:04:42,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2019-09-16 17:04:42,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 684. [2019-09-16 17:04:42,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2019-09-16 17:04:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 825 transitions. [2019-09-16 17:04:42,921 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 825 transitions. Word has length 61 [2019-09-16 17:04:42,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:42,922 INFO L475 AbstractCegarLoop]: Abstraction has 684 states and 825 transitions. [2019-09-16 17:04:42,922 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:04:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 825 transitions. [2019-09-16 17:04:42,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-16 17:04:42,924 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:42,924 INFO L407 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] [2019-09-16 17:04:42,924 INFO L418 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:42,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:42,924 INFO L82 PathProgramCache]: Analyzing trace with hash -431365212, now seen corresponding path program 1 times [2019-09-16 17:04:42,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:42,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:42,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:42,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:42,927 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:43,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:43,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:43,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:04:43,046 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:43,048 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:04:43,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:04:43,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:04:43,049 INFO L87 Difference]: Start difference. First operand 684 states and 825 transitions. Second operand 5 states. [2019-09-16 17:04:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:43,457 INFO L93 Difference]: Finished difference Result 788 states and 952 transitions. [2019-09-16 17:04:43,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:04:43,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2019-09-16 17:04:43,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:43,465 INFO L225 Difference]: With dead ends: 788 [2019-09-16 17:04:43,466 INFO L226 Difference]: Without dead ends: 788 [2019-09-16 17:04:43,467 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-16 17:04:43,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2019-09-16 17:04:43,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 758. [2019-09-16 17:04:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2019-09-16 17:04:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 919 transitions. [2019-09-16 17:04:43,485 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 919 transitions. Word has length 67 [2019-09-16 17:04:43,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:43,488 INFO L475 AbstractCegarLoop]: Abstraction has 758 states and 919 transitions. [2019-09-16 17:04:43,488 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:04:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 919 transitions. [2019-09-16 17:04:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-16 17:04:43,494 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:43,494 INFO L407 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] [2019-09-16 17:04:43,494 INFO L418 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:43,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:43,495 INFO L82 PathProgramCache]: Analyzing trace with hash 863236998, now seen corresponding path program 1 times [2019-09-16 17:04:43,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:43,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:43,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:43,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:43,501 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:43,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:43,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:43,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 17:04:43,589 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:43,589 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 17:04:43,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 17:04:43,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:04:43,590 INFO L87 Difference]: Start difference. First operand 758 states and 919 transitions. Second operand 9 states. [2019-09-16 17:04:43,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:43,753 INFO L93 Difference]: Finished difference Result 784 states and 945 transitions. [2019-09-16 17:04:43,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:04:43,754 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2019-09-16 17:04:43,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:43,758 INFO L225 Difference]: With dead ends: 784 [2019-09-16 17:04:43,758 INFO L226 Difference]: Without dead ends: 712 [2019-09-16 17:04:43,763 INFO L636 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 [2019-09-16 17:04:43,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2019-09-16 17:04:43,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2019-09-16 17:04:43,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2019-09-16 17:04:43,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 862 transitions. [2019-09-16 17:04:43,777 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 862 transitions. Word has length 63 [2019-09-16 17:04:43,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:43,778 INFO L475 AbstractCegarLoop]: Abstraction has 712 states and 862 transitions. [2019-09-16 17:04:43,778 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 17:04:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 862 transitions. [2019-09-16 17:04:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-16 17:04:43,780 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:43,781 INFO L407 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] [2019-09-16 17:04:43,781 INFO L418 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:43,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:43,781 INFO L82 PathProgramCache]: Analyzing trace with hash -305628131, now seen corresponding path program 1 times [2019-09-16 17:04:43,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:43,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:43,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:43,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:43,783 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:43,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:43,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:04:43,868 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:43,868 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:04:43,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:04:43,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:04:43,869 INFO L87 Difference]: Start difference. First operand 712 states and 862 transitions. Second operand 6 states. [2019-09-16 17:04:44,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:44,687 INFO L93 Difference]: Finished difference Result 727 states and 872 transitions. [2019-09-16 17:04:44,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-16 17:04:44,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-09-16 17:04:44,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:44,690 INFO L225 Difference]: With dead ends: 727 [2019-09-16 17:04:44,691 INFO L226 Difference]: Without dead ends: 727 [2019-09-16 17:04:44,691 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-09-16 17:04:44,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2019-09-16 17:04:44,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 696. [2019-09-16 17:04:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2019-09-16 17:04:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 834 transitions. [2019-09-16 17:04:44,709 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 834 transitions. Word has length 79 [2019-09-16 17:04:44,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:44,710 INFO L475 AbstractCegarLoop]: Abstraction has 696 states and 834 transitions. [2019-09-16 17:04:44,710 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:04:44,710 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 834 transitions. [2019-09-16 17:04:44,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-16 17:04:44,712 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:44,712 INFO L407 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] [2019-09-16 17:04:44,712 INFO L418 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:44,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:44,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1563127055, now seen corresponding path program 1 times [2019-09-16 17:04:44,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:44,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:44,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:44,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:44,716 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:44,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:44,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:04:44,817 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:44,818 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:04:44,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:04:44,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:04:44,818 INFO L87 Difference]: Start difference. First operand 696 states and 834 transitions. Second operand 6 states. [2019-09-16 17:04:44,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:44,861 INFO L93 Difference]: Finished difference Result 775 states and 960 transitions. [2019-09-16 17:04:44,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:04:44,861 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2019-09-16 17:04:44,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:44,872 INFO L225 Difference]: With dead ends: 775 [2019-09-16 17:04:44,873 INFO L226 Difference]: Without dead ends: 775 [2019-09-16 17:04:44,876 INFO L636 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 [2019-09-16 17:04:44,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2019-09-16 17:04:44,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 662. [2019-09-16 17:04:44,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2019-09-16 17:04:44,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 790 transitions. [2019-09-16 17:04:44,889 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 790 transitions. Word has length 80 [2019-09-16 17:04:44,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:44,889 INFO L475 AbstractCegarLoop]: Abstraction has 662 states and 790 transitions. [2019-09-16 17:04:44,889 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:04:44,889 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 790 transitions. [2019-09-16 17:04:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-16 17:04:44,893 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:44,893 INFO L407 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] [2019-09-16 17:04:44,894 INFO L418 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:44,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:44,894 INFO L82 PathProgramCache]: Analyzing trace with hash -2060982829, now seen corresponding path program 1 times [2019-09-16 17:04:44,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:44,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:44,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:44,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:44,896 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:44,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:44,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:04:44,947 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:44,947 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:04:44,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:04:44,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:04:44,948 INFO L87 Difference]: Start difference. First operand 662 states and 790 transitions. Second operand 5 states. [2019-09-16 17:04:45,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:45,459 INFO L93 Difference]: Finished difference Result 760 states and 886 transitions. [2019-09-16 17:04:45,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:04:45,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2019-09-16 17:04:45,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:45,464 INFO L225 Difference]: With dead ends: 760 [2019-09-16 17:04:45,464 INFO L226 Difference]: Without dead ends: 760 [2019-09-16 17:04:45,468 INFO L636 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 [2019-09-16 17:04:45,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2019-09-16 17:04:45,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 737. [2019-09-16 17:04:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2019-09-16 17:04:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 864 transitions. [2019-09-16 17:04:45,498 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 864 transitions. Word has length 75 [2019-09-16 17:04:45,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:45,501 INFO L475 AbstractCegarLoop]: Abstraction has 737 states and 864 transitions. [2019-09-16 17:04:45,501 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:04:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 864 transitions. [2019-09-16 17:04:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-16 17:04:45,505 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:45,505 INFO L407 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] [2019-09-16 17:04:45,505 INFO L418 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:45,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:45,506 INFO L82 PathProgramCache]: Analyzing trace with hash 240519763, now seen corresponding path program 1 times [2019-09-16 17:04:45,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:45,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:45,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:45,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:45,510 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:45,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:45,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:45,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 17:04:45,641 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:45,641 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 17:04:45,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 17:04:45,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:04:45,642 INFO L87 Difference]: Start difference. First operand 737 states and 864 transitions. Second operand 9 states. [2019-09-16 17:04:45,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:45,892 INFO L93 Difference]: Finished difference Result 736 states and 862 transitions. [2019-09-16 17:04:45,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:04:45,893 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2019-09-16 17:04:45,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:45,896 INFO L225 Difference]: With dead ends: 736 [2019-09-16 17:04:45,896 INFO L226 Difference]: Without dead ends: 623 [2019-09-16 17:04:45,897 INFO L636 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 [2019-09-16 17:04:45,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2019-09-16 17:04:45,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2019-09-16 17:04:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-09-16 17:04:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 731 transitions. [2019-09-16 17:04:45,912 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 731 transitions. Word has length 76 [2019-09-16 17:04:45,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:45,912 INFO L475 AbstractCegarLoop]: Abstraction has 623 states and 731 transitions. [2019-09-16 17:04:45,912 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 17:04:45,912 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 731 transitions. [2019-09-16 17:04:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-09-16 17:04:45,914 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:45,914 INFO L407 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] [2019-09-16 17:04:45,914 INFO L418 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:45,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:45,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1578123954, now seen corresponding path program 1 times [2019-09-16 17:04:45,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:45,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:45,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:45,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:45,921 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:46,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:46,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 17:04:46,047 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:46,048 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 17:04:46,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 17:04:46,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:04:46,049 INFO L87 Difference]: Start difference. First operand 623 states and 731 transitions. Second operand 9 states. [2019-09-16 17:04:46,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:46,204 INFO L93 Difference]: Finished difference Result 659 states and 769 transitions. [2019-09-16 17:04:46,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:04:46,204 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-09-16 17:04:46,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:46,208 INFO L225 Difference]: With dead ends: 659 [2019-09-16 17:04:46,208 INFO L226 Difference]: Without dead ends: 641 [2019-09-16 17:04:46,209 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-09-16 17:04:46,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2019-09-16 17:04:46,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 623. [2019-09-16 17:04:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-09-16 17:04:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 730 transitions. [2019-09-16 17:04:46,226 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 730 transitions. Word has length 85 [2019-09-16 17:04:46,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:46,228 INFO L475 AbstractCegarLoop]: Abstraction has 623 states and 730 transitions. [2019-09-16 17:04:46,228 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 17:04:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 730 transitions. [2019-09-16 17:04:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-16 17:04:46,231 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:46,231 INFO L407 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] [2019-09-16 17:04:46,231 INFO L418 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:46,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:46,232 INFO L82 PathProgramCache]: Analyzing trace with hash 678099323, now seen corresponding path program 1 times [2019-09-16 17:04:46,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:46,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:46,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:46,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:46,235 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:46,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:46,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 17:04:46,426 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:46,426 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 17:04:46,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 17:04:46,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:04:46,427 INFO L87 Difference]: Start difference. First operand 623 states and 730 transitions. Second operand 10 states. [2019-09-16 17:04:47,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:47,534 INFO L93 Difference]: Finished difference Result 628 states and 733 transitions. [2019-09-16 17:04:47,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-16 17:04:47,535 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2019-09-16 17:04:47,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:47,539 INFO L225 Difference]: With dead ends: 628 [2019-09-16 17:04:47,539 INFO L226 Difference]: Without dead ends: 628 [2019-09-16 17:04:47,540 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-09-16 17:04:47,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2019-09-16 17:04:47,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 623. [2019-09-16 17:04:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-09-16 17:04:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 729 transitions. [2019-09-16 17:04:47,551 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 729 transitions. Word has length 80 [2019-09-16 17:04:47,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:47,551 INFO L475 AbstractCegarLoop]: Abstraction has 623 states and 729 transitions. [2019-09-16 17:04:47,551 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 17:04:47,551 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 729 transitions. [2019-09-16 17:04:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-16 17:04:47,553 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:47,553 INFO L407 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] [2019-09-16 17:04:47,553 INFO L418 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:47,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:47,554 INFO L82 PathProgramCache]: Analyzing trace with hash -890197523, now seen corresponding path program 1 times [2019-09-16 17:04:47,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:47,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:47,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:47,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:47,556 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:04:47,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:04:47,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 17:04:47,643 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:47,643 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 17:04:47,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 17:04:47,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:04:47,644 INFO L87 Difference]: Start difference. First operand 623 states and 729 transitions. Second operand 9 states. [2019-09-16 17:04:48,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:48,683 INFO L93 Difference]: Finished difference Result 615 states and 721 transitions. [2019-09-16 17:04:48,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-16 17:04:48,683 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2019-09-16 17:04:48,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:48,687 INFO L225 Difference]: With dead ends: 615 [2019-09-16 17:04:48,687 INFO L226 Difference]: Without dead ends: 615 [2019-09-16 17:04:48,688 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2019-09-16 17:04:48,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-09-16 17:04:48,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 599. [2019-09-16 17:04:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-09-16 17:04:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 702 transitions. [2019-09-16 17:04:48,700 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 702 transitions. Word has length 81 [2019-09-16 17:04:48,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:48,700 INFO L475 AbstractCegarLoop]: Abstraction has 599 states and 702 transitions. [2019-09-16 17:04:48,700 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 17:04:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 702 transitions. [2019-09-16 17:04:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-16 17:04:48,702 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:48,702 INFO L407 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] [2019-09-16 17:04:48,703 INFO L418 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:48,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:48,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1664445418, now seen corresponding path program 1 times [2019-09-16 17:04:48,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:48,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:48,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:48,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:48,706 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-16 17:04:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-16 17:04:48,858 INFO L474 BasicCegarLoop]: Counterexample might be feasible [2019-09-16 17:04:49,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:04:49 BoogieIcfgContainer [2019-09-16 17:04:49,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:04:49,033 INFO L168 Benchmark]: Toolchain (without parser) took 24088.96 ms. Allocated memory was 132.6 MB in the beginning and 608.2 MB in the end (delta: 475.5 MB). Free memory was 84.4 MB in the beginning and 563.6 MB in the end (delta: -479.2 MB). Peak memory consumption was 438.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:04:49,033 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory is still 103.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:04:49,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.82 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 84.4 MB in the beginning and 167.7 MB in the end (delta: -83.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:04:49,035 INFO L168 Benchmark]: Boogie Preprocessor took 81.07 ms. Allocated memory is still 200.3 MB. Free memory was 167.7 MB in the beginning and 163.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:04:49,036 INFO L168 Benchmark]: RCFGBuilder took 1282.72 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 78.8 MB in the end (delta: 84.9 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:04:49,036 INFO L168 Benchmark]: TraceAbstraction took 21945.97 ms. Allocated memory was 200.3 MB in the beginning and 608.2 MB in the end (delta: 407.9 MB). Free memory was 77.8 MB in the beginning and 563.6 MB in the end (delta: -485.8 MB). Peak memory consumption was 363.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:04:49,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory is still 103.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 772.82 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 84.4 MB in the beginning and 167.7 MB in the end (delta: -83.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.07 ms. Allocated memory is still 200.3 MB. Free memory was 167.7 MB in the beginning and 163.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1282.72 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 78.8 MB in the end (delta: 84.9 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21945.97 ms. Allocated memory was 200.3 MB in the beginning and 608.2 MB in the end (delta: 407.9 MB). Free memory was 77.8 MB in the beginning and 563.6 MB in the end (delta: -485.8 MB). Peak memory consumption was 363.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 64]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L35] int FloppyThread ; [L36] int KernelMode ; [L37] int Suspended ; [L38] int Executive ; [L39] int DiskController ; [L40] int FloppyDiskPeripheral ; [L41] int FlConfigCallBack ; [L42] int MaximumInterfaceType ; [L43] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L44] int myStatus ; [L45] int s ; [L46] int UNLOADED ; [L47] int NP ; [L48] int DC ; [L49] int SKIP1 ; [L50] int SKIP2 ; [L51] int MPR1 ; [L52] int MPR3 ; [L53] int IPC ; [L54] int pended ; [L55] int compRegistered ; [L56] int lowerDriverReturn ; [L57] int setEventCalled ; [L58] int customIrp ; [L90] int PagingReferenceCount = 0; [L91] int PagingMutex = 0; VAL [\old(compRegistered)=277, \old(customIrp)=280, \old(DC)=274, \old(DiskController)=276, \old(Executive)=278, \old(FlConfigCallBack)=265, \old(FloppyDiskPeripheral)=275, \old(FloppyThread)=261, \old(IPC)=262, \old(KernelMode)=272, \old(lowerDriverReturn)=285, \old(MaximumInterfaceType)=284, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=260, \old(MPR1)=268, \old(MPR3)=281, \old(myStatus)=283, \old(NP)=279, \old(PagingMutex)=266, \old(PagingReferenceCount)=270, \old(pended)=271, \old(s)=263, \old(setEventCalled)=282, \old(SKIP1)=267, \old(SKIP2)=264, \old(Suspended)=269, \old(UNLOADED)=273, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L670] int status ; [L671] int irp = __VERIFIER_nondet_int() ; [L672] int pirp ; [L673] int pirp__IoStatus__Status ; [L674] int irp_choice = __VERIFIER_nondet_int() ; [L675] int devobj = __VERIFIER_nondet_int() ; [L676] int __cil_tmp8 ; [L678] FloppyThread = 0 [L679] KernelMode = 0 [L680] Suspended = 0 [L681] Executive = 0 [L682] DiskController = 0 [L683] FloppyDiskPeripheral = 0 [L684] FlConfigCallBack = 0 [L685] MaximumInterfaceType = 0 [L686] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L687] myStatus = 0 [L688] s = 0 [L689] UNLOADED = 0 [L690] NP = 0 [L691] DC = 0 [L692] SKIP1 = 0 [L693] SKIP2 = 0 [L694] MPR1 = 0 [L695] MPR3 = 0 [L696] IPC = 0 [L697] pended = 0 [L698] compRegistered = 0 [L699] lowerDriverReturn = 0 [L700] setEventCalled = 0 [L701] customIrp = 0 [L705] status = 0 [L706] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L707] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L73] UNLOADED = 0 [L74] NP = 1 [L75] DC = 2 [L76] SKIP1 = 3 [L77] SKIP2 = 4 [L78] MPR1 = 5 [L79] MPR3 = 6 [L80] IPC = 7 [L81] s = UNLOADED [L82] pended = 0 [L83] compRegistered = 0 [L84] lowerDriverReturn = 0 [L85] setEventCalled = 0 [L86] customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L707] RET _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L709] COND TRUE status >= 0 [L710] s = NP [L711] customIrp = 0 [L712] setEventCalled = customIrp [L713] lowerDriverReturn = setEventCalled [L714] compRegistered = lowerDriverReturn [L715] pended = compRegistered [L716] pirp__IoStatus__Status = 0 [L717] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L718] COND TRUE irp_choice == 0 [L719] pirp__IoStatus__Status = -1073741637 [L720] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L723] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L660] s = NP [L661] pended = 0 [L662] compRegistered = 0 [L663] lowerDriverReturn = 0 [L664] setEventCalled = 0 [L665] customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L723] RET stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L726] COND FALSE !(status < 0) [L730] int tmp_ndt_1; [L731] tmp_ndt_1 = __VERIFIER_nondet_int() [L732] COND TRUE tmp_ndt_1 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L739] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L163] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L164] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L165] int Irp__IoStatus__Information ; [L166] int Irp__IoStatus__Status ; [L167] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L168] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L169] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L170] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L171] int disketteExtension__HoldNewRequests ; [L172] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L173] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L174] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L175] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L176] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L177] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L178] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L179] int irpSp ; [L180] int disketteExtension ; [L181] int ntStatus ; [L182] int doneEvent = __VERIFIER_nondet_int() ; [L183] int irpSp___0 ; [L184] int nextIrpSp ; [L185] int nextIrpSp__Control ; [L186] int irpSp___1 ; [L187] int irpSp__Context ; [L188] int irpSp__Control ; [L189] long __cil_tmp29 ; [L190] long __cil_tmp30 ; [L193] ntStatus = 0 [L194] PagingReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L195] COND TRUE PagingReferenceCount == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L198] disketteExtension = DeviceObject__DeviceExtension [L199] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L200] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L209] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L212] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L238] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L241] COND FALSE !(! disketteExtension__IsStarted) [L257] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L258] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L100] int status ; [L101] int threadHandle = __VERIFIER_nondet_int() ; [L102] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L103] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L104] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L105] int Irp__IoStatus__Status ; [L106] int Irp__IoStatus__Information ; [L107] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L108] int ObjAttributes = __VERIFIER_nondet_int() ; [L109] int __cil_tmp12 ; [L110] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L113] COND FALSE !(DisketteExtension__PoweringDown == 1) [L119] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L120] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L152] COND TRUE pended == 0 [L153] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L159] return (259); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L258] RET, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, FlQueueIrpToThread(Irp, disketteExtension)=259, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L258] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L261] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L262] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L264-L265] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1035] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1044] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1048] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1055] int tmp_ndt_8; [L1056] tmp_ndt_8 = __VERIFIER_nondet_int() [L1057] COND TRUE tmp_ndt_8 == 0 VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_8=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1063] 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)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, \result=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_8=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L264-L265] RET KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L267] COND FALSE !(disketteExtension__FloppyThread != 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L270] disketteExtension__FloppyThread = 0 [L271] Irp__IoStatus__Status = 0 [L272] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L273] COND TRUE s == NP [L274] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L281] Irp__CurrentLocation ++ [L282] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L283] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L937] int returnVal2 ; [L938] int compRetStatus1 ; [L939] int lcontext = __VERIFIER_nondet_int() ; [L940] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L943] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L956] int tmp_ndt_12; [L957] tmp_ndt_12 = __VERIFIER_nondet_int() [L958] COND TRUE tmp_ndt_12 == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L969] returnVal2 = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L982] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L986] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L995] COND TRUE s == SKIP1 [L996] s = SKIP2 [L997] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L1005] return (returnVal2); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L283] RET, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L283] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L429] PagingReferenceCount -- VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L430] COND TRUE PagingReferenceCount == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L433] return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L739] RET, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L739] status = FloppyPnp(devobj, pirp) [L749] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L750] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L757] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L758] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L765] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L766] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L767] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L781] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L782] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L783] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L64] __VERIFIER_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 305 locations, 1 error locations. UNSAFE Result, 21.8s OverallTime, 42 OverallIterations, 1 TraceHistogramMax, 15.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15312 SDtfs, 11711 SDslu, 41202 SDs, 0 SdLazy, 12437 SolverSat, 2254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 400 GetRequests, 117 SyntacticMatches, 8 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=964occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 41 MinimizatonAttempts, 1470 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2338 NumberOfCodeBlocks, 2338 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 2215 ConstructedInterpolants, 0 QuantifiedInterpolants, 288213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 41 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...