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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 12:59:50,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 12:59:50,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 12:59:50,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 12:59:50,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 12:59:50,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 12:59:50,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 12:59:50,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 12:59:50,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 12:59:50,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 12:59:50,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 12:59:50,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 12:59:50,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 12:59:50,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 12:59:50,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 12:59:50,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 12:59:50,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 12:59:50,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 12:59:50,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 12:59:50,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 12:59:50,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 12:59:50,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 12:59:50,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 12:59:50,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 12:59:50,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 12:59:50,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 12:59:50,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 12:59:50,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 12:59:50,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 12:59:50,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 12:59:50,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 12:59:50,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 12:59:50,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 12:59:50,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 12:59:50,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 12:59:50,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 12:59:50,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 12:59:50,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 12:59:50,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 12:59:50,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 12:59:50,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 12:59:50,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 12:59:50,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 12:59:50,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 12:59:50,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 12:59:50,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 12:59:50,111 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 12:59:50,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 12:59:50,111 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 12:59:50,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 12:59:50,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 12:59:50,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 12:59:50,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 12:59:50,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 12:59:50,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 12:59:50,113 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 12:59:50,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 12:59:50,113 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 12:59:50,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 12:59:50,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 12:59:50,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 12:59:50,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 12:59:50,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 12:59:50,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 12:59:50,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 12:59:50,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 12:59:50,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 12:59:50,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 12:59:50,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 12:59:50,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 12:59:50,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 12:59:50,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 12:59:50,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 12:59:50,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 12:59:50,158 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 12:59:50,159 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 12:59:50,159 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 12:59:50,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fc55e81/5601c47460b24a0fad1c81b648e5d1f6/FLAGe106a5847 [2019-09-20 12:59:50,751 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 12:59:50,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 12:59:50,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fc55e81/5601c47460b24a0fad1c81b648e5d1f6/FLAGe106a5847 [2019-09-20 12:59:51,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fc55e81/5601c47460b24a0fad1c81b648e5d1f6 [2019-09-20 12:59:51,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 12:59:51,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 12:59:51,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 12:59:51,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 12:59:51,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 12:59:51,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:59:51" (1/1) ... [2019-09-20 12:59:51,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f723ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51, skipping insertion in model container [2019-09-20 12:59:51,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:59:51" (1/1) ... [2019-09-20 12:59:51,063 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 12:59:51,124 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 12:59:51,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:59:51,568 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 12:59:51,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:59:51,707 INFO L192 MainTranslator]: Completed translation [2019-09-20 12:59:51,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51 WrapperNode [2019-09-20 12:59:51,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 12:59:51,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 12:59:51,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 12:59:51,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 12:59:51,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51" (1/1) ... [2019-09-20 12:59:51,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51" (1/1) ... [2019-09-20 12:59:51,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51" (1/1) ... [2019-09-20 12:59:51,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51" (1/1) ... [2019-09-20 12:59:51,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51" (1/1) ... [2019-09-20 12:59:51,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51" (1/1) ... [2019-09-20 12:59:51,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51" (1/1) ... [2019-09-20 12:59:51,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 12:59:51,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 12:59:51,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 12:59:51,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 12:59:51,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51" (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 [2019-09-20 12:59:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 12:59:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 12:59:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 12:59:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 12:59:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-20 12:59:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-20 12:59:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-20 12:59:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-20 12:59:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-20 12:59:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-20 12:59:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-20 12:59:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 12:59:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 12:59:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-20 12:59:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-20 12:59:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-20 12:59:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-20 12:59:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-20 12:59:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 12:59:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 12:59:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 12:59:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 12:59:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 12:59:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-20 12:59:51,872 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-20 12:59:51,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-20 12:59:51,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 12:59:51,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 12:59:51,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 12:59:51,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 12:59:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 12:59:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-20 12:59:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-20 12:59:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-20 12:59:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-20 12:59:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-20 12:59:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-20 12:59:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-20 12:59:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-20 12:59:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-20 12:59:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-20 12:59:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-20 12:59:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 12:59:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 12:59:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 12:59:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-20 12:59:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-20 12:59:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-20 12:59:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 12:59:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 12:59:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 12:59:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-20 12:59:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 12:59:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 12:59:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 12:59:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 12:59:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 12:59:52,248 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:52,317 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 12:59:52,317 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 12:59:52,325 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:52,335 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 12:59:52,335 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 12:59:52,342 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:52,586 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-20 12:59:52,586 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-20 12:59:52,588 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:52,701 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-20 12:59:52,702 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-20 12:59:52,734 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:52,752 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 12:59:52,753 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 12:59:52,874 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:52,900 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 12:59:52,901 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 12:59:52,901 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:52,916 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 12:59:52,917 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 12:59:52,918 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:52,930 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 12:59:52,930 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 12:59:52,993 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:53,042 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 12:59:53,043 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 12:59:53,071 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:53,076 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 12:59:53,077 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 12:59:53,077 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:53,093 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 12:59:53,094 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 12:59:53,094 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 12:59:53,101 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 12:59:53,101 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 12:59:53,112 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 12:59:53,112 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 12:59:53,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:59:53 BoogieIcfgContainer [2019-09-20 12:59:53,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 12:59:53,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 12:59:53,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 12:59:53,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 12:59:53,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 12:59:51" (1/3) ... [2019-09-20 12:59:53,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf330f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:59:53, skipping insertion in model container [2019-09-20 12:59:53,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:59:51" (2/3) ... [2019-09-20 12:59:53,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf330f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:59:53, skipping insertion in model container [2019-09-20 12:59:53,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:59:53" (3/3) ... [2019-09-20 12:59:53,122 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2019-09-20 12:59:53,148 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 12:59:53,156 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 12:59:53,173 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 12:59:53,206 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 12:59:53,207 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 12:59:53,207 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 12:59:53,207 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 12:59:53,207 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 12:59:53,207 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 12:59:53,207 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 12:59:53,207 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 12:59:53,207 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 12:59:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-09-20 12:59:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-20 12:59:53,243 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:53,244 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] [2019-09-20 12:59:53,245 INFO L418 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:53,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:53,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1935172457, now seen corresponding path program 1 times [2019-09-20 12:59:53,253 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:53,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:53,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:53,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:53,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:53,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:53,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:59:53,542 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:59:53,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:59:53,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:59:53,559 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 3 states. [2019-09-20 12:59:53,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:53,744 INFO L93 Difference]: Finished difference Result 510 states and 731 transitions. [2019-09-20 12:59:53,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:59:53,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-09-20 12:59:53,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:53,775 INFO L225 Difference]: With dead ends: 510 [2019-09-20 12:59:53,782 INFO L226 Difference]: Without dead ends: 294 [2019-09-20 12:59:53,797 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 [2019-09-20 12:59:53,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-09-20 12:59:53,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2019-09-20 12:59:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-09-20 12:59:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 388 transitions. [2019-09-20 12:59:53,913 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 388 transitions. Word has length 20 [2019-09-20 12:59:53,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:53,913 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 388 transitions. [2019-09-20 12:59:53,913 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 12:59:53,913 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 388 transitions. [2019-09-20 12:59:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-09-20 12:59:53,914 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:53,915 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] [2019-09-20 12:59:53,915 INFO L418 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:53,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:53,915 INFO L82 PathProgramCache]: Analyzing trace with hash -657914795, now seen corresponding path program 1 times [2019-09-20 12:59:53,916 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:53,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:53,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:53,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:53,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:54,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:54,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 12:59:54,180 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 12:59:54,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 12:59:54,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 12:59:54,182 INFO L87 Difference]: Start difference. First operand 294 states and 388 transitions. Second operand 4 states. [2019-09-20 12:59:54,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:54,543 INFO L93 Difference]: Finished difference Result 774 states and 1017 transitions. [2019-09-20 12:59:54,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 12:59:54,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-09-20 12:59:54,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:54,549 INFO L225 Difference]: With dead ends: 774 [2019-09-20 12:59:54,549 INFO L226 Difference]: Without dead ends: 501 [2019-09-20 12:59:54,551 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 [2019-09-20 12:59:54,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-09-20 12:59:54,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 383. [2019-09-20 12:59:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-09-20 12:59:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 500 transitions. [2019-09-20 12:59:54,611 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 500 transitions. Word has length 28 [2019-09-20 12:59:54,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:54,611 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 500 transitions. [2019-09-20 12:59:54,611 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 12:59:54,611 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 500 transitions. [2019-09-20 12:59:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-09-20 12:59:54,613 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:54,613 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] [2019-09-20 12:59:54,613 INFO L418 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:54,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:54,614 INFO L82 PathProgramCache]: Analyzing trace with hash 151431831, now seen corresponding path program 1 times [2019-09-20 12:59:54,614 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:54,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:54,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:54,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:54,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:54,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:54,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:59:54,777 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:59:54,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:59:54,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:59:54,778 INFO L87 Difference]: Start difference. First operand 383 states and 500 transitions. Second operand 3 states. [2019-09-20 12:59:54,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:54,970 INFO L93 Difference]: Finished difference Result 702 states and 926 transitions. [2019-09-20 12:59:54,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:59:54,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-09-20 12:59:54,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:54,975 INFO L225 Difference]: With dead ends: 702 [2019-09-20 12:59:54,975 INFO L226 Difference]: Without dead ends: 539 [2019-09-20 12:59:54,976 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 [2019-09-20 12:59:54,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-09-20 12:59:55,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 520. [2019-09-20 12:59:55,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-09-20 12:59:55,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 679 transitions. [2019-09-20 12:59:55,014 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 679 transitions. Word has length 28 [2019-09-20 12:59:55,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:55,015 INFO L475 AbstractCegarLoop]: Abstraction has 520 states and 679 transitions. [2019-09-20 12:59:55,015 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 12:59:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 679 transitions. [2019-09-20 12:59:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-09-20 12:59:55,016 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:55,016 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] [2019-09-20 12:59:55,017 INFO L418 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:55,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:55,017 INFO L82 PathProgramCache]: Analyzing trace with hash -523056827, now seen corresponding path program 1 times [2019-09-20 12:59:55,017 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:55,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:55,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:55,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:55,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:55,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:55,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:55,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:59:55,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:59:55,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:59:55,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:59:55,083 INFO L87 Difference]: Start difference. First operand 520 states and 679 transitions. Second operand 3 states. [2019-09-20 12:59:55,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:55,153 INFO L93 Difference]: Finished difference Result 1036 states and 1367 transitions. [2019-09-20 12:59:55,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:59:55,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-09-20 12:59:55,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:55,163 INFO L225 Difference]: With dead ends: 1036 [2019-09-20 12:59:55,163 INFO L226 Difference]: Without dead ends: 735 [2019-09-20 12:59:55,165 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 [2019-09-20 12:59:55,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2019-09-20 12:59:55,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 702. [2019-09-20 12:59:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2019-09-20 12:59:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 929 transitions. [2019-09-20 12:59:55,227 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 929 transitions. Word has length 30 [2019-09-20 12:59:55,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:55,227 INFO L475 AbstractCegarLoop]: Abstraction has 702 states and 929 transitions. [2019-09-20 12:59:55,227 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 12:59:55,228 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 929 transitions. [2019-09-20 12:59:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-20 12:59:55,234 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:55,234 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] [2019-09-20 12:59:55,235 INFO L418 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:55,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1040933871, now seen corresponding path program 1 times [2019-09-20 12:59:55,238 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:55,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:55,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:55,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:55,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:55,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:55,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:59:55,314 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:59:55,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:59:55,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:59:55,315 INFO L87 Difference]: Start difference. First operand 702 states and 929 transitions. Second operand 3 states. [2019-09-20 12:59:55,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:55,376 INFO L93 Difference]: Finished difference Result 850 states and 1116 transitions. [2019-09-20 12:59:55,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:59:55,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-09-20 12:59:55,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:55,382 INFO L225 Difference]: With dead ends: 850 [2019-09-20 12:59:55,382 INFO L226 Difference]: Without dead ends: 830 [2019-09-20 12:59:55,383 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 [2019-09-20 12:59:55,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2019-09-20 12:59:55,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 791. [2019-09-20 12:59:55,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-09-20 12:59:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1044 transitions. [2019-09-20 12:59:55,434 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1044 transitions. Word has length 34 [2019-09-20 12:59:55,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:55,437 INFO L475 AbstractCegarLoop]: Abstraction has 791 states and 1044 transitions. [2019-09-20 12:59:55,437 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 12:59:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1044 transitions. [2019-09-20 12:59:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-09-20 12:59:55,443 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:55,443 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] [2019-09-20 12:59:55,443 INFO L418 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:55,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:55,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1618645229, now seen corresponding path program 1 times [2019-09-20 12:59:55,444 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:55,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:55,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:55,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:55,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:55,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:55,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:55,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:59:55,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:59:55,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:59:55,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:59:55,508 INFO L87 Difference]: Start difference. First operand 791 states and 1044 transitions. Second operand 3 states. [2019-09-20 12:59:55,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:55,665 INFO L93 Difference]: Finished difference Result 1188 states and 1594 transitions. [2019-09-20 12:59:55,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:59:55,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-09-20 12:59:55,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:55,673 INFO L225 Difference]: With dead ends: 1188 [2019-09-20 12:59:55,673 INFO L226 Difference]: Without dead ends: 1185 [2019-09-20 12:59:55,674 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 [2019-09-20 12:59:55,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-09-20 12:59:55,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 918. [2019-09-20 12:59:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2019-09-20 12:59:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1219 transitions. [2019-09-20 12:59:55,757 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1219 transitions. Word has length 41 [2019-09-20 12:59:55,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:55,757 INFO L475 AbstractCegarLoop]: Abstraction has 918 states and 1219 transitions. [2019-09-20 12:59:55,758 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 12:59:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1219 transitions. [2019-09-20 12:59:55,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-09-20 12:59:55,760 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:55,760 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] [2019-09-20 12:59:55,760 INFO L418 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:55,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:55,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1801190041, now seen corresponding path program 1 times [2019-09-20 12:59:55,761 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:55,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:55,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:55,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:55,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:55,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:55,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:59:55,840 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:59:55,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:59:55,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:59:55,841 INFO L87 Difference]: Start difference. First operand 918 states and 1219 transitions. Second operand 3 states. [2019-09-20 12:59:56,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:56,025 INFO L93 Difference]: Finished difference Result 933 states and 1239 transitions. [2019-09-20 12:59:56,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:59:56,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-09-20 12:59:56,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:56,031 INFO L225 Difference]: With dead ends: 933 [2019-09-20 12:59:56,032 INFO L226 Difference]: Without dead ends: 930 [2019-09-20 12:59:56,032 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 [2019-09-20 12:59:56,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2019-09-20 12:59:56,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 929. [2019-09-20 12:59:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2019-09-20 12:59:56,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1231 transitions. [2019-09-20 12:59:56,089 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1231 transitions. Word has length 40 [2019-09-20 12:59:56,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:56,089 INFO L475 AbstractCegarLoop]: Abstraction has 929 states and 1231 transitions. [2019-09-20 12:59:56,089 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 12:59:56,090 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1231 transitions. [2019-09-20 12:59:56,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-09-20 12:59:56,091 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:56,092 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] [2019-09-20 12:59:56,092 INFO L418 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:56,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:56,092 INFO L82 PathProgramCache]: Analyzing trace with hash -2006089857, now seen corresponding path program 1 times [2019-09-20 12:59:56,092 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:56,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:56,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:56,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:56,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:56,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:56,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:59:56,151 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:59:56,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:59:56,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:59:56,152 INFO L87 Difference]: Start difference. First operand 929 states and 1231 transitions. Second operand 3 states. [2019-09-20 12:59:56,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:56,270 INFO L93 Difference]: Finished difference Result 973 states and 1285 transitions. [2019-09-20 12:59:56,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:59:56,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-09-20 12:59:56,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:56,283 INFO L225 Difference]: With dead ends: 973 [2019-09-20 12:59:56,284 INFO L226 Difference]: Without dead ends: 968 [2019-09-20 12:59:56,285 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 [2019-09-20 12:59:56,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2019-09-20 12:59:56,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 964. [2019-09-20 12:59:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2019-09-20 12:59:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1275 transitions. [2019-09-20 12:59:56,357 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1275 transitions. Word has length 41 [2019-09-20 12:59:56,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:56,358 INFO L475 AbstractCegarLoop]: Abstraction has 964 states and 1275 transitions. [2019-09-20 12:59:56,358 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 12:59:56,358 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1275 transitions. [2019-09-20 12:59:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-20 12:59:56,360 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:56,360 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] [2019-09-20 12:59:56,360 INFO L418 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:56,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:56,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1123776538, now seen corresponding path program 1 times [2019-09-20 12:59:56,361 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:56,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:56,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:56,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:56,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:56,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:56,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 12:59:56,491 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 12:59:56,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 12:59:56,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-20 12:59:56,492 INFO L87 Difference]: Start difference. First operand 964 states and 1275 transitions. Second operand 8 states. [2019-09-20 12:59:57,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:57,392 INFO L93 Difference]: Finished difference Result 1777 states and 2339 transitions. [2019-09-20 12:59:57,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 12:59:57,393 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2019-09-20 12:59:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:57,400 INFO L225 Difference]: With dead ends: 1777 [2019-09-20 12:59:57,401 INFO L226 Difference]: Without dead ends: 1145 [2019-09-20 12:59:57,404 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-09-20 12:59:57,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2019-09-20 12:59:57,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 949. [2019-09-20 12:59:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-09-20 12:59:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1240 transitions. [2019-09-20 12:59:57,462 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1240 transitions. Word has length 42 [2019-09-20 12:59:57,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:57,463 INFO L475 AbstractCegarLoop]: Abstraction has 949 states and 1240 transitions. [2019-09-20 12:59:57,463 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 12:59:57,463 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1240 transitions. [2019-09-20 12:59:57,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-20 12:59:57,464 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:57,465 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] [2019-09-20 12:59:57,465 INFO L418 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:57,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:57,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1606408613, now seen corresponding path program 1 times [2019-09-20 12:59:57,465 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:57,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:57,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:57,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:57,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:57,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:57,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 12:59:57,557 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 12:59:57,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 12:59:57,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 12:59:57,558 INFO L87 Difference]: Start difference. First operand 949 states and 1240 transitions. Second operand 8 states. [2019-09-20 12:59:58,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:58,160 INFO L93 Difference]: Finished difference Result 976 states and 1268 transitions. [2019-09-20 12:59:58,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 12:59:58,161 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2019-09-20 12:59:58,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:58,168 INFO L225 Difference]: With dead ends: 976 [2019-09-20 12:59:58,168 INFO L226 Difference]: Without dead ends: 967 [2019-09-20 12:59:58,169 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 [2019-09-20 12:59:58,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2019-09-20 12:59:58,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 949. [2019-09-20 12:59:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-09-20 12:59:58,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1238 transitions. [2019-09-20 12:59:58,241 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1238 transitions. Word has length 42 [2019-09-20 12:59:58,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:58,241 INFO L475 AbstractCegarLoop]: Abstraction has 949 states and 1238 transitions. [2019-09-20 12:59:58,241 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 12:59:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1238 transitions. [2019-09-20 12:59:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-09-20 12:59:58,243 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:58,243 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] [2019-09-20 12:59:58,243 INFO L418 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:58,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:58,244 INFO L82 PathProgramCache]: Analyzing trace with hash 851921771, now seen corresponding path program 1 times [2019-09-20 12:59:58,244 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:58,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:58,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:58,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:58,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:58,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:58,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 12:59:58,422 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 12:59:58,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 12:59:58,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 12:59:58,423 INFO L87 Difference]: Start difference. First operand 949 states and 1238 transitions. Second operand 8 states. [2019-09-20 12:59:59,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:59,029 INFO L93 Difference]: Finished difference Result 976 states and 1265 transitions. [2019-09-20 12:59:59,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 12:59:59,030 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2019-09-20 12:59:59,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:59,037 INFO L225 Difference]: With dead ends: 976 [2019-09-20 12:59:59,037 INFO L226 Difference]: Without dead ends: 967 [2019-09-20 12:59:59,039 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 [2019-09-20 12:59:59,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2019-09-20 12:59:59,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 949. [2019-09-20 12:59:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-09-20 12:59:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1236 transitions. [2019-09-20 12:59:59,112 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1236 transitions. Word has length 43 [2019-09-20 12:59:59,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:59,112 INFO L475 AbstractCegarLoop]: Abstraction has 949 states and 1236 transitions. [2019-09-20 12:59:59,112 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 12:59:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1236 transitions. [2019-09-20 12:59:59,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-09-20 12:59:59,114 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:59,114 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] [2019-09-20 12:59:59,114 INFO L418 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:59,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:59,115 INFO L82 PathProgramCache]: Analyzing trace with hash 694919684, now seen corresponding path program 1 times [2019-09-20 12:59:59,115 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:59,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:59,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:59,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:59,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:59,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:59,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 12:59:59,182 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 12:59:59,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 12:59:59,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 12:59:59,182 INFO L87 Difference]: Start difference. First operand 949 states and 1236 transitions. Second operand 5 states. [2019-09-20 12:59:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:59,248 INFO L93 Difference]: Finished difference Result 965 states and 1251 transitions. [2019-09-20 12:59:59,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 12:59:59,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-09-20 12:59:59,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:59,254 INFO L225 Difference]: With dead ends: 965 [2019-09-20 12:59:59,254 INFO L226 Difference]: Without dead ends: 947 [2019-09-20 12:59:59,255 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 [2019-09-20 12:59:59,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2019-09-20 12:59:59,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 947. [2019-09-20 12:59:59,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2019-09-20 12:59:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1232 transitions. [2019-09-20 12:59:59,325 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1232 transitions. Word has length 44 [2019-09-20 12:59:59,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:59,325 INFO L475 AbstractCegarLoop]: Abstraction has 947 states and 1232 transitions. [2019-09-20 12:59:59,326 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 12:59:59,326 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1232 transitions. [2019-09-20 12:59:59,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-09-20 12:59:59,327 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:59,327 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] [2019-09-20 12:59:59,328 INFO L418 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:59,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:59,328 INFO L82 PathProgramCache]: Analyzing trace with hash -357671628, now seen corresponding path program 1 times [2019-09-20 12:59:59,328 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:59,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:59,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:59,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:59,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:59,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:59,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 12:59:59,386 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 12:59:59,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 12:59:59,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 12:59:59,387 INFO L87 Difference]: Start difference. First operand 947 states and 1232 transitions. Second operand 4 states. [2019-09-20 12:59:59,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:59,660 INFO L93 Difference]: Finished difference Result 1031 states and 1313 transitions. [2019-09-20 12:59:59,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 12:59:59,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2019-09-20 12:59:59,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:59,666 INFO L225 Difference]: With dead ends: 1031 [2019-09-20 12:59:59,667 INFO L226 Difference]: Without dead ends: 698 [2019-09-20 12:59:59,669 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 [2019-09-20 12:59:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2019-09-20 12:59:59,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 661. [2019-09-20 12:59:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2019-09-20 12:59:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 827 transitions. [2019-09-20 12:59:59,728 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 827 transitions. Word has length 49 [2019-09-20 12:59:59,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:59:59,728 INFO L475 AbstractCegarLoop]: Abstraction has 661 states and 827 transitions. [2019-09-20 12:59:59,729 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 12:59:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 827 transitions. [2019-09-20 12:59:59,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-20 12:59:59,732 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:59:59,732 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] [2019-09-20 12:59:59,733 INFO L418 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:59:59,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:59:59,733 INFO L82 PathProgramCache]: Analyzing trace with hash -396227580, now seen corresponding path program 1 times [2019-09-20 12:59:59,734 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:59:59,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:59:59,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:59,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:59:59,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:59:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:59:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:59:59,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:59:59,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:59:59,843 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:59:59,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:59:59,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:59:59,844 INFO L87 Difference]: Start difference. First operand 661 states and 827 transitions. Second operand 3 states. [2019-09-20 12:59:59,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:59:59,964 INFO L93 Difference]: Finished difference Result 930 states and 1175 transitions. [2019-09-20 12:59:59,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:59:59,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-09-20 12:59:59,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:59:59,971 INFO L225 Difference]: With dead ends: 930 [2019-09-20 12:59:59,971 INFO L226 Difference]: Without dead ends: 669 [2019-09-20 12:59:59,974 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 [2019-09-20 12:59:59,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2019-09-20 13:00:00,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2019-09-20 13:00:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2019-09-20 13:00:00,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 838 transitions. [2019-09-20 13:00:00,033 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 838 transitions. Word has length 55 [2019-09-20 13:00:00,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:00,034 INFO L475 AbstractCegarLoop]: Abstraction has 669 states and 838 transitions. [2019-09-20 13:00:00,034 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:00:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 838 transitions. [2019-09-20 13:00:00,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:00:00,036 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:00,037 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] [2019-09-20 13:00:00,037 INFO L418 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:00,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:00,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1957781293, now seen corresponding path program 1 times [2019-09-20 13:00:00,038 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:00,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:00,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:00,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:00,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:00,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:00,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:00,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:00:00,126 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:00:00,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:00:00,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:00,127 INFO L87 Difference]: Start difference. First operand 669 states and 838 transitions. Second operand 3 states. [2019-09-20 13:00:00,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:00,277 INFO L93 Difference]: Finished difference Result 884 states and 1124 transitions. [2019-09-20 13:00:00,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:00:00,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:00:00,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:00,282 INFO L225 Difference]: With dead ends: 884 [2019-09-20 13:00:00,282 INFO L226 Difference]: Without dead ends: 872 [2019-09-20 13:00:00,285 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 [2019-09-20 13:00:00,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2019-09-20 13:00:00,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 739. [2019-09-20 13:00:00,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2019-09-20 13:00:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 923 transitions. [2019-09-20 13:00:00,346 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 923 transitions. Word has length 52 [2019-09-20 13:00:00,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:00,346 INFO L475 AbstractCegarLoop]: Abstraction has 739 states and 923 transitions. [2019-09-20 13:00:00,346 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:00:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 923 transitions. [2019-09-20 13:00:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-20 13:00:00,349 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:00,349 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] [2019-09-20 13:00:00,350 INFO L418 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:00,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:00,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1014512749, now seen corresponding path program 1 times [2019-09-20 13:00:00,350 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:00,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:00,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:00,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:00,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:00,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:00,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:00:00,447 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:00:00,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:00:00,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:00:00,448 INFO L87 Difference]: Start difference. First operand 739 states and 923 transitions. Second operand 8 states. [2019-09-20 13:00:00,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:00,568 INFO L93 Difference]: Finished difference Result 1178 states and 1500 transitions. [2019-09-20 13:00:00,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:00:00,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-09-20 13:00:00,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:00,574 INFO L225 Difference]: With dead ends: 1178 [2019-09-20 13:00:00,574 INFO L226 Difference]: Without dead ends: 825 [2019-09-20 13:00:00,575 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 [2019-09-20 13:00:00,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2019-09-20 13:00:00,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 786. [2019-09-20 13:00:00,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-09-20 13:00:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 994 transitions. [2019-09-20 13:00:00,626 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 994 transitions. Word has length 53 [2019-09-20 13:00:00,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:00,626 INFO L475 AbstractCegarLoop]: Abstraction has 786 states and 994 transitions. [2019-09-20 13:00:00,627 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:00:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 994 transitions. [2019-09-20 13:00:00,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-20 13:00:00,628 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:00,629 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] [2019-09-20 13:00:00,629 INFO L418 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:00,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:00,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1014789579, now seen corresponding path program 1 times [2019-09-20 13:00:00,629 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:00,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:00,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:00,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:00,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:00,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:00,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:00:00,701 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:00:00,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:00:00,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:00:00,702 INFO L87 Difference]: Start difference. First operand 786 states and 994 transitions. Second operand 8 states. [2019-09-20 13:00:00,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:00,884 INFO L93 Difference]: Finished difference Result 816 states and 1028 transitions. [2019-09-20 13:00:00,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:00:00,884 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-09-20 13:00:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:00,889 INFO L225 Difference]: With dead ends: 816 [2019-09-20 13:00:00,889 INFO L226 Difference]: Without dead ends: 800 [2019-09-20 13:00:00,890 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 [2019-09-20 13:00:00,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2019-09-20 13:00:00,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 792. [2019-09-20 13:00:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2019-09-20 13:00:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 999 transitions. [2019-09-20 13:00:00,946 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 999 transitions. Word has length 53 [2019-09-20 13:00:00,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:00,947 INFO L475 AbstractCegarLoop]: Abstraction has 792 states and 999 transitions. [2019-09-20 13:00:00,947 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:00:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 999 transitions. [2019-09-20 13:00:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:00:00,949 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:00,949 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] [2019-09-20 13:00:00,949 INFO L418 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:00,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:00,950 INFO L82 PathProgramCache]: Analyzing trace with hash 29740109, now seen corresponding path program 1 times [2019-09-20 13:00:00,950 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:00,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:00,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:00,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:00,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:01,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:01,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:00:01,103 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:00:01,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:00:01,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:00:01,103 INFO L87 Difference]: Start difference. First operand 792 states and 999 transitions. Second operand 5 states. [2019-09-20 13:00:01,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:01,155 INFO L93 Difference]: Finished difference Result 1047 states and 1327 transitions. [2019-09-20 13:00:01,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:00:01,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2019-09-20 13:00:01,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:01,160 INFO L225 Difference]: With dead ends: 1047 [2019-09-20 13:00:01,160 INFO L226 Difference]: Without dead ends: 773 [2019-09-20 13:00:01,162 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 [2019-09-20 13:00:01,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-09-20 13:00:01,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 773. [2019-09-20 13:00:01,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2019-09-20 13:00:01,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 969 transitions. [2019-09-20 13:00:01,213 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 969 transitions. Word has length 61 [2019-09-20 13:00:01,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:01,213 INFO L475 AbstractCegarLoop]: Abstraction has 773 states and 969 transitions. [2019-09-20 13:00:01,214 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:00:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 969 transitions. [2019-09-20 13:00:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-20 13:00:01,215 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:01,216 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] [2019-09-20 13:00:01,216 INFO L418 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:01,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:01,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1073013810, now seen corresponding path program 1 times [2019-09-20 13:00:01,216 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:01,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:01,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:01,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:01,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:01,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:01,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:00:01,263 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:00:01,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:00:01,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:01,264 INFO L87 Difference]: Start difference. First operand 773 states and 969 transitions. Second operand 3 states. [2019-09-20 13:00:01,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:01,362 INFO L93 Difference]: Finished difference Result 896 states and 1121 transitions. [2019-09-20 13:00:01,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:00:01,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-09-20 13:00:01,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:01,367 INFO L225 Difference]: With dead ends: 896 [2019-09-20 13:00:01,368 INFO L226 Difference]: Without dead ends: 865 [2019-09-20 13:00:01,369 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 [2019-09-20 13:00:01,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2019-09-20 13:00:01,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 852. [2019-09-20 13:00:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-09-20 13:00:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1065 transitions. [2019-09-20 13:00:01,424 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1065 transitions. Word has length 54 [2019-09-20 13:00:01,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:01,424 INFO L475 AbstractCegarLoop]: Abstraction has 852 states and 1065 transitions. [2019-09-20 13:00:01,425 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:00:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1065 transitions. [2019-09-20 13:00:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-20 13:00:01,427 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:01,427 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] [2019-09-20 13:00:01,427 INFO L418 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:01,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:01,428 INFO L82 PathProgramCache]: Analyzing trace with hash 929734452, now seen corresponding path program 1 times [2019-09-20 13:00:01,428 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:01,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:01,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:01,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:01,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:01,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:01,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:00:01,515 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:00:01,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:00:01,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:00:01,516 INFO L87 Difference]: Start difference. First operand 852 states and 1065 transitions. Second operand 7 states. [2019-09-20 13:00:02,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:02,248 INFO L93 Difference]: Finished difference Result 910 states and 1133 transitions. [2019-09-20 13:00:02,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:00:02,249 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-09-20 13:00:02,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:02,253 INFO L225 Difference]: With dead ends: 910 [2019-09-20 13:00:02,254 INFO L226 Difference]: Without dead ends: 775 [2019-09-20 13:00:02,255 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 [2019-09-20 13:00:02,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2019-09-20 13:00:02,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 729. [2019-09-20 13:00:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-09-20 13:00:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 900 transitions. [2019-09-20 13:00:02,316 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 900 transitions. Word has length 54 [2019-09-20 13:00:02,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:02,317 INFO L475 AbstractCegarLoop]: Abstraction has 729 states and 900 transitions. [2019-09-20 13:00:02,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:00:02,317 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 900 transitions. [2019-09-20 13:00:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-20 13:00:02,319 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:02,319 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] [2019-09-20 13:00:02,319 INFO L418 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:02,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:02,319 INFO L82 PathProgramCache]: Analyzing trace with hash -221836227, now seen corresponding path program 1 times [2019-09-20 13:00:02,319 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:02,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:02,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:02,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:02,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:02,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:02,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-20 13:00:02,574 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-20 13:00:02,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-20 13:00:02,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-09-20 13:00:02,575 INFO L87 Difference]: Start difference. First operand 729 states and 900 transitions. Second operand 15 states. [2019-09-20 13:00:05,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:05,412 INFO L93 Difference]: Finished difference Result 817 states and 1019 transitions. [2019-09-20 13:00:05,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-20 13:00:05,413 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 54 [2019-09-20 13:00:05,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:05,417 INFO L225 Difference]: With dead ends: 817 [2019-09-20 13:00:05,418 INFO L226 Difference]: Without dead ends: 801 [2019-09-20 13:00:05,419 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 [2019-09-20 13:00:05,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2019-09-20 13:00:05,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 730. [2019-09-20 13:00:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2019-09-20 13:00:05,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 902 transitions. [2019-09-20 13:00:05,478 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 902 transitions. Word has length 54 [2019-09-20 13:00:05,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:05,478 INFO L475 AbstractCegarLoop]: Abstraction has 730 states and 902 transitions. [2019-09-20 13:00:05,478 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-20 13:00:05,479 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 902 transitions. [2019-09-20 13:00:05,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-20 13:00:05,481 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:05,482 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] [2019-09-20 13:00:05,482 INFO L418 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:05,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:05,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1566538877, now seen corresponding path program 1 times [2019-09-20 13:00:05,482 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:05,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:05,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:05,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:05,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:05,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:05,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:00:05,656 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:00:05,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:00:05,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:00:05,657 INFO L87 Difference]: Start difference. First operand 730 states and 902 transitions. Second operand 10 states. [2019-09-20 13:00:07,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:07,167 INFO L93 Difference]: Finished difference Result 827 states and 1023 transitions. [2019-09-20 13:00:07,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-20 13:00:07,169 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2019-09-20 13:00:07,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:07,174 INFO L225 Difference]: With dead ends: 827 [2019-09-20 13:00:07,174 INFO L226 Difference]: Without dead ends: 811 [2019-09-20 13:00:07,176 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 [2019-09-20 13:00:07,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2019-09-20 13:00:07,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 801. [2019-09-20 13:00:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2019-09-20 13:00:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 990 transitions. [2019-09-20 13:00:07,225 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 990 transitions. Word has length 54 [2019-09-20 13:00:07,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:07,225 INFO L475 AbstractCegarLoop]: Abstraction has 801 states and 990 transitions. [2019-09-20 13:00:07,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:00:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 990 transitions. [2019-09-20 13:00:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:00:07,227 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:07,227 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] [2019-09-20 13:00:07,228 INFO L418 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:07,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:07,228 INFO L82 PathProgramCache]: Analyzing trace with hash 475410832, now seen corresponding path program 1 times [2019-09-20 13:00:07,228 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:07,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:07,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:07,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:07,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:07,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:07,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:00:07,303 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:00:07,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:00:07,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:00:07,305 INFO L87 Difference]: Start difference. First operand 801 states and 990 transitions. Second operand 6 states. [2019-09-20 13:00:07,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:07,432 INFO L93 Difference]: Finished difference Result 822 states and 1010 transitions. [2019-09-20 13:00:07,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:00:07,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-09-20 13:00:07,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:07,437 INFO L225 Difference]: With dead ends: 822 [2019-09-20 13:00:07,437 INFO L226 Difference]: Without dead ends: 791 [2019-09-20 13:00:07,438 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 [2019-09-20 13:00:07,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2019-09-20 13:00:07,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 789. [2019-09-20 13:00:07,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-09-20 13:00:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 974 transitions. [2019-09-20 13:00:07,490 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 974 transitions. Word has length 57 [2019-09-20 13:00:07,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:07,490 INFO L475 AbstractCegarLoop]: Abstraction has 789 states and 974 transitions. [2019-09-20 13:00:07,490 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:00:07,490 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 974 transitions. [2019-09-20 13:00:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-20 13:00:07,497 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:07,497 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] [2019-09-20 13:00:07,497 INFO L418 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:07,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:07,498 INFO L82 PathProgramCache]: Analyzing trace with hash 931099608, now seen corresponding path program 1 times [2019-09-20 13:00:07,499 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:07,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:07,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:07,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:07,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:07,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:07,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:07,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-20 13:00:07,666 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:00:07,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:00:07,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:00:07,668 INFO L87 Difference]: Start difference. First operand 789 states and 974 transitions. Second operand 11 states. [2019-09-20 13:00:08,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:08,532 INFO L93 Difference]: Finished difference Result 1105 states and 1389 transitions. [2019-09-20 13:00:08,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-20 13:00:08,533 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2019-09-20 13:00:08,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:08,537 INFO L225 Difference]: With dead ends: 1105 [2019-09-20 13:00:08,538 INFO L226 Difference]: Without dead ends: 834 [2019-09-20 13:00:08,542 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 [2019-09-20 13:00:08,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2019-09-20 13:00:08,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 789. [2019-09-20 13:00:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-09-20 13:00:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 974 transitions. [2019-09-20 13:00:08,597 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 974 transitions. Word has length 56 [2019-09-20 13:00:08,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:08,598 INFO L475 AbstractCegarLoop]: Abstraction has 789 states and 974 transitions. [2019-09-20 13:00:08,598 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:00:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 974 transitions. [2019-09-20 13:00:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-20 13:00:08,599 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:08,599 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] [2019-09-20 13:00:08,600 INFO L418 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:08,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:08,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1572656152, now seen corresponding path program 1 times [2019-09-20 13:00:08,601 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:08,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:08,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:08,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:08,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:08,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:08,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:00:08,655 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:00:08,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:00:08,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:00:08,656 INFO L87 Difference]: Start difference. First operand 789 states and 974 transitions. Second operand 5 states. [2019-09-20 13:00:08,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:08,991 INFO L93 Difference]: Finished difference Result 807 states and 993 transitions. [2019-09-20 13:00:08,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:00:08,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-09-20 13:00:08,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:08,996 INFO L225 Difference]: With dead ends: 807 [2019-09-20 13:00:08,996 INFO L226 Difference]: Without dead ends: 789 [2019-09-20 13:00:08,997 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 [2019-09-20 13:00:08,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2019-09-20 13:00:09,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 771. [2019-09-20 13:00:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-09-20 13:00:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 948 transitions. [2019-09-20 13:00:09,045 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 948 transitions. Word has length 56 [2019-09-20 13:00:09,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:09,047 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 948 transitions. [2019-09-20 13:00:09,047 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:00:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 948 transitions. [2019-09-20 13:00:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-20 13:00:09,048 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:09,049 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] [2019-09-20 13:00:09,049 INFO L418 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:09,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:09,049 INFO L82 PathProgramCache]: Analyzing trace with hash -119702348, now seen corresponding path program 1 times [2019-09-20 13:00:09,049 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:09,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:09,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:09,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:09,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:09,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:09,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:09,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:00:09,119 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:00:09,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:00:09,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:00:09,120 INFO L87 Difference]: Start difference. First operand 771 states and 948 transitions. Second operand 5 states. [2019-09-20 13:00:09,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:09,465 INFO L93 Difference]: Finished difference Result 1030 states and 1277 transitions. [2019-09-20 13:00:09,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:00:09,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-20 13:00:09,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:09,469 INFO L225 Difference]: With dead ends: 1030 [2019-09-20 13:00:09,470 INFO L226 Difference]: Without dead ends: 771 [2019-09-20 13:00:09,471 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 [2019-09-20 13:00:09,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2019-09-20 13:00:09,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 771. [2019-09-20 13:00:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-09-20 13:00:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 946 transitions. [2019-09-20 13:00:09,569 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 946 transitions. Word has length 65 [2019-09-20 13:00:09,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:09,570 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 946 transitions. [2019-09-20 13:00:09,570 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:00:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 946 transitions. [2019-09-20 13:00:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:00:09,571 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:09,572 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] [2019-09-20 13:00:09,572 INFO L418 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:09,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:09,572 INFO L82 PathProgramCache]: Analyzing trace with hash 2029598960, now seen corresponding path program 1 times [2019-09-20 13:00:09,572 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:09,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:09,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:09,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:09,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:09,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:09,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:00:09,617 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:00:09,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:00:09,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:09,619 INFO L87 Difference]: Start difference. First operand 771 states and 946 transitions. Second operand 3 states. [2019-09-20 13:00:09,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:09,674 INFO L93 Difference]: Finished difference Result 810 states and 992 transitions. [2019-09-20 13:00:09,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:00:09,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-09-20 13:00:09,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:09,678 INFO L225 Difference]: With dead ends: 810 [2019-09-20 13:00:09,678 INFO L226 Difference]: Without dead ends: 773 [2019-09-20 13:00:09,679 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 [2019-09-20 13:00:09,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-09-20 13:00:09,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 727. [2019-09-20 13:00:09,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2019-09-20 13:00:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 882 transitions. [2019-09-20 13:00:09,726 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 882 transitions. Word has length 59 [2019-09-20 13:00:09,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:09,726 INFO L475 AbstractCegarLoop]: Abstraction has 727 states and 882 transitions. [2019-09-20 13:00:09,726 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:00:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 882 transitions. [2019-09-20 13:00:09,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-20 13:00:09,730 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:09,730 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] [2019-09-20 13:00:09,730 INFO L418 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:09,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:09,731 INFO L82 PathProgramCache]: Analyzing trace with hash 257597269, now seen corresponding path program 1 times [2019-09-20 13:00:09,731 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:09,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:09,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:09,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:09,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:09,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:09,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:09,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:00:09,806 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:00:09,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:00:09,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:00:09,807 INFO L87 Difference]: Start difference. First operand 727 states and 882 transitions. Second operand 9 states. [2019-09-20 13:00:10,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:10,007 INFO L93 Difference]: Finished difference Result 756 states and 911 transitions. [2019-09-20 13:00:10,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:00:10,008 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2019-09-20 13:00:10,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:10,011 INFO L225 Difference]: With dead ends: 756 [2019-09-20 13:00:10,012 INFO L226 Difference]: Without dead ends: 722 [2019-09-20 13:00:10,012 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 [2019-09-20 13:00:10,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2019-09-20 13:00:10,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2019-09-20 13:00:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2019-09-20 13:00:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 874 transitions. [2019-09-20 13:00:10,060 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 874 transitions. Word has length 58 [2019-09-20 13:00:10,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:10,060 INFO L475 AbstractCegarLoop]: Abstraction has 722 states and 874 transitions. [2019-09-20 13:00:10,061 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:00:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 874 transitions. [2019-09-20 13:00:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:00:10,064 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:10,064 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] [2019-09-20 13:00:10,064 INFO L418 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:10,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:10,065 INFO L82 PathProgramCache]: Analyzing trace with hash -2140498917, now seen corresponding path program 1 times [2019-09-20 13:00:10,065 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:10,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:10,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:10,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:10,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:10,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:10,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:10,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:00:10,145 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:00:10,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:00:10,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:00:10,146 INFO L87 Difference]: Start difference. First operand 722 states and 874 transitions. Second operand 9 states. [2019-09-20 13:00:10,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:10,335 INFO L93 Difference]: Finished difference Result 751 states and 903 transitions. [2019-09-20 13:00:10,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:00:10,335 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-09-20 13:00:10,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:10,339 INFO L225 Difference]: With dead ends: 751 [2019-09-20 13:00:10,339 INFO L226 Difference]: Without dead ends: 716 [2019-09-20 13:00:10,341 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 [2019-09-20 13:00:10,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2019-09-20 13:00:10,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2019-09-20 13:00:10,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2019-09-20 13:00:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 865 transitions. [2019-09-20 13:00:10,387 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 865 transitions. Word has length 59 [2019-09-20 13:00:10,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:10,387 INFO L475 AbstractCegarLoop]: Abstraction has 716 states and 865 transitions. [2019-09-20 13:00:10,387 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:00:10,388 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 865 transitions. [2019-09-20 13:00:10,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:00:10,389 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:10,390 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] [2019-09-20 13:00:10,391 INFO L418 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:10,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:10,391 INFO L82 PathProgramCache]: Analyzing trace with hash -93759059, now seen corresponding path program 1 times [2019-09-20 13:00:10,391 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:10,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:10,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:10,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:10,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:10,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:10,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:00:10,467 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:00:10,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:00:10,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:00:10,467 INFO L87 Difference]: Start difference. First operand 716 states and 865 transitions. Second operand 9 states. [2019-09-20 13:00:10,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:10,681 INFO L93 Difference]: Finished difference Result 745 states and 894 transitions. [2019-09-20 13:00:10,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:00:10,681 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-09-20 13:00:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:10,685 INFO L225 Difference]: With dead ends: 745 [2019-09-20 13:00:10,685 INFO L226 Difference]: Without dead ends: 711 [2019-09-20 13:00:10,687 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 [2019-09-20 13:00:10,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2019-09-20 13:00:10,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 711. [2019-09-20 13:00:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2019-09-20 13:00:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 857 transitions. [2019-09-20 13:00:10,734 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 857 transitions. Word has length 59 [2019-09-20 13:00:10,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:10,735 INFO L475 AbstractCegarLoop]: Abstraction has 711 states and 857 transitions. [2019-09-20 13:00:10,735 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:00:10,735 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 857 transitions. [2019-09-20 13:00:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-20 13:00:10,737 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:10,737 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] [2019-09-20 13:00:10,737 INFO L418 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:10,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:10,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1616491651, now seen corresponding path program 1 times [2019-09-20 13:00:10,738 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:10,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:10,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:10,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:10,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:10,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:10,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:00:10,816 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:00:10,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:00:10,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:00:10,817 INFO L87 Difference]: Start difference. First operand 711 states and 857 transitions. Second operand 6 states. [2019-09-20 13:00:10,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:10,895 INFO L93 Difference]: Finished difference Result 980 states and 1195 transitions. [2019-09-20 13:00:10,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:00:10,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-09-20 13:00:10,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:10,899 INFO L225 Difference]: With dead ends: 980 [2019-09-20 13:00:10,899 INFO L226 Difference]: Without dead ends: 754 [2019-09-20 13:00:10,900 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 [2019-09-20 13:00:10,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2019-09-20 13:00:10,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 711. [2019-09-20 13:00:10,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2019-09-20 13:00:10,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 855 transitions. [2019-09-20 13:00:10,947 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 855 transitions. Word has length 68 [2019-09-20 13:00:10,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:10,947 INFO L475 AbstractCegarLoop]: Abstraction has 711 states and 855 transitions. [2019-09-20 13:00:10,947 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:00:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 855 transitions. [2019-09-20 13:00:10,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:00:10,949 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:10,950 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] [2019-09-20 13:00:10,950 INFO L418 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:10,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:10,951 INFO L82 PathProgramCache]: Analyzing trace with hash -795076974, now seen corresponding path program 1 times [2019-09-20 13:00:10,951 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:10,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:10,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:10,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:10,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:11,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:11,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:00:11,068 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:00:11,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:00:11,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:00:11,068 INFO L87 Difference]: Start difference. First operand 711 states and 855 transitions. Second operand 5 states. [2019-09-20 13:00:11,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:11,120 INFO L93 Difference]: Finished difference Result 726 states and 869 transitions. [2019-09-20 13:00:11,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:00:11,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2019-09-20 13:00:11,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:11,124 INFO L225 Difference]: With dead ends: 726 [2019-09-20 13:00:11,124 INFO L226 Difference]: Without dead ends: 694 [2019-09-20 13:00:11,126 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 [2019-09-20 13:00:11,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2019-09-20 13:00:11,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 684. [2019-09-20 13:00:11,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2019-09-20 13:00:11,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 825 transitions. [2019-09-20 13:00:11,181 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 825 transitions. Word has length 61 [2019-09-20 13:00:11,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:11,181 INFO L475 AbstractCegarLoop]: Abstraction has 684 states and 825 transitions. [2019-09-20 13:00:11,181 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:00:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 825 transitions. [2019-09-20 13:00:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-20 13:00:11,186 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:11,186 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] [2019-09-20 13:00:11,187 INFO L418 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:11,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:11,187 INFO L82 PathProgramCache]: Analyzing trace with hash -431365212, now seen corresponding path program 1 times [2019-09-20 13:00:11,187 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:11,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:11,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:11,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:11,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:11,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:11,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:00:11,317 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:00:11,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:00:11,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:00:11,321 INFO L87 Difference]: Start difference. First operand 684 states and 825 transitions. Second operand 5 states. [2019-09-20 13:00:11,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:11,768 INFO L93 Difference]: Finished difference Result 1041 states and 1271 transitions. [2019-09-20 13:00:11,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:00:11,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2019-09-20 13:00:11,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:11,772 INFO L225 Difference]: With dead ends: 1041 [2019-09-20 13:00:11,772 INFO L226 Difference]: Without dead ends: 788 [2019-09-20 13:00:11,774 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 [2019-09-20 13:00:11,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2019-09-20 13:00:11,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 758. [2019-09-20 13:00:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2019-09-20 13:00:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 919 transitions. [2019-09-20 13:00:11,827 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 919 transitions. Word has length 67 [2019-09-20 13:00:11,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:11,829 INFO L475 AbstractCegarLoop]: Abstraction has 758 states and 919 transitions. [2019-09-20 13:00:11,829 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:00:11,829 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 919 transitions. [2019-09-20 13:00:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-20 13:00:11,831 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:11,831 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] [2019-09-20 13:00:11,831 INFO L418 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:11,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:11,831 INFO L82 PathProgramCache]: Analyzing trace with hash 863236998, now seen corresponding path program 1 times [2019-09-20 13:00:11,832 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:11,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:11,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:11,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:11,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:11,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:11,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:00:11,916 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:00:11,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:00:11,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:00:11,916 INFO L87 Difference]: Start difference. First operand 758 states and 919 transitions. Second operand 9 states. [2019-09-20 13:00:12,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:12,118 INFO L93 Difference]: Finished difference Result 787 states and 948 transitions. [2019-09-20 13:00:12,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:00:12,119 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2019-09-20 13:00:12,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:12,122 INFO L225 Difference]: With dead ends: 787 [2019-09-20 13:00:12,122 INFO L226 Difference]: Without dead ends: 712 [2019-09-20 13:00:12,123 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 [2019-09-20 13:00:12,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2019-09-20 13:00:12,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2019-09-20 13:00:12,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2019-09-20 13:00:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 862 transitions. [2019-09-20 13:00:12,174 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 862 transitions. Word has length 63 [2019-09-20 13:00:12,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:12,174 INFO L475 AbstractCegarLoop]: Abstraction has 712 states and 862 transitions. [2019-09-20 13:00:12,174 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:00:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 862 transitions. [2019-09-20 13:00:12,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:00:12,177 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:12,177 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] [2019-09-20 13:00:12,177 INFO L418 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:12,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:12,177 INFO L82 PathProgramCache]: Analyzing trace with hash -305628131, now seen corresponding path program 1 times [2019-09-20 13:00:12,177 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:12,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:12,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:12,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:12,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:12,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:12,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:00:12,264 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:00:12,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:00:12,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:00:12,264 INFO L87 Difference]: Start difference. First operand 712 states and 862 transitions. Second operand 6 states. [2019-09-20 13:00:12,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:12,951 INFO L93 Difference]: Finished difference Result 1036 states and 1261 transitions. [2019-09-20 13:00:12,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-20 13:00:12,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-09-20 13:00:12,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:12,961 INFO L225 Difference]: With dead ends: 1036 [2019-09-20 13:00:12,961 INFO L226 Difference]: Without dead ends: 727 [2019-09-20 13:00:12,963 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 [2019-09-20 13:00:12,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2019-09-20 13:00:13,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 696. [2019-09-20 13:00:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2019-09-20 13:00:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 834 transitions. [2019-09-20 13:00:13,027 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 834 transitions. Word has length 79 [2019-09-20 13:00:13,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:13,027 INFO L475 AbstractCegarLoop]: Abstraction has 696 states and 834 transitions. [2019-09-20 13:00:13,027 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:00:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 834 transitions. [2019-09-20 13:00:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-20 13:00:13,030 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:13,030 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] [2019-09-20 13:00:13,031 INFO L418 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:13,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:13,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1563127055, now seen corresponding path program 1 times [2019-09-20 13:00:13,031 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:13,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:13,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:13,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:13,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:13,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:13,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:00:13,151 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:00:13,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:00:13,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:00:13,152 INFO L87 Difference]: Start difference. First operand 696 states and 834 transitions. Second operand 6 states. [2019-09-20 13:00:13,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:13,276 INFO L93 Difference]: Finished difference Result 1029 states and 1265 transitions. [2019-09-20 13:00:13,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:00:13,277 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2019-09-20 13:00:13,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:13,289 INFO L225 Difference]: With dead ends: 1029 [2019-09-20 13:00:13,289 INFO L226 Difference]: Without dead ends: 775 [2019-09-20 13:00:13,291 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 [2019-09-20 13:00:13,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2019-09-20 13:00:13,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 662. [2019-09-20 13:00:13,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2019-09-20 13:00:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 790 transitions. [2019-09-20 13:00:13,350 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 790 transitions. Word has length 80 [2019-09-20 13:00:13,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:13,351 INFO L475 AbstractCegarLoop]: Abstraction has 662 states and 790 transitions. [2019-09-20 13:00:13,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:00:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 790 transitions. [2019-09-20 13:00:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-20 13:00:13,355 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:13,355 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] [2019-09-20 13:00:13,356 INFO L418 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:13,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:13,356 INFO L82 PathProgramCache]: Analyzing trace with hash -2060982829, now seen corresponding path program 1 times [2019-09-20 13:00:13,356 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:13,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:13,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:13,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:13,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:13,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:13,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:13,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:00:13,417 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:00:13,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:00:13,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:00:13,418 INFO L87 Difference]: Start difference. First operand 662 states and 790 transitions. Second operand 5 states. [2019-09-20 13:00:13,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:13,903 INFO L93 Difference]: Finished difference Result 1210 states and 1420 transitions. [2019-09-20 13:00:13,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:00:13,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2019-09-20 13:00:13,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:13,906 INFO L225 Difference]: With dead ends: 1210 [2019-09-20 13:00:13,907 INFO L226 Difference]: Without dead ends: 760 [2019-09-20 13:00:13,913 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 [2019-09-20 13:00:13,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2019-09-20 13:00:13,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 737. [2019-09-20 13:00:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2019-09-20 13:00:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 864 transitions. [2019-09-20 13:00:13,975 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 864 transitions. Word has length 75 [2019-09-20 13:00:13,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:13,977 INFO L475 AbstractCegarLoop]: Abstraction has 737 states and 864 transitions. [2019-09-20 13:00:13,977 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:00:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 864 transitions. [2019-09-20 13:00:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-20 13:00:13,979 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:13,979 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] [2019-09-20 13:00:13,980 INFO L418 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:13,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:13,980 INFO L82 PathProgramCache]: Analyzing trace with hash 240519763, now seen corresponding path program 1 times [2019-09-20 13:00:13,980 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:13,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:13,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:13,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:13,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:14,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:14,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:00:14,063 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:00:14,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:00:14,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:00:14,064 INFO L87 Difference]: Start difference. First operand 737 states and 864 transitions. Second operand 9 states. [2019-09-20 13:00:14,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:14,244 INFO L93 Difference]: Finished difference Result 739 states and 865 transitions. [2019-09-20 13:00:14,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:00:14,244 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2019-09-20 13:00:14,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:14,246 INFO L225 Difference]: With dead ends: 739 [2019-09-20 13:00:14,246 INFO L226 Difference]: Without dead ends: 623 [2019-09-20 13:00:14,247 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 [2019-09-20 13:00:14,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2019-09-20 13:00:14,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2019-09-20 13:00:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-09-20 13:00:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 731 transitions. [2019-09-20 13:00:14,289 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 731 transitions. Word has length 76 [2019-09-20 13:00:14,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:14,289 INFO L475 AbstractCegarLoop]: Abstraction has 623 states and 731 transitions. [2019-09-20 13:00:14,290 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:00:14,290 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 731 transitions. [2019-09-20 13:00:14,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-09-20 13:00:14,291 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:14,291 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] [2019-09-20 13:00:14,292 INFO L418 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:14,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:14,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1578123954, now seen corresponding path program 1 times [2019-09-20 13:00:14,292 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:14,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:14,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:14,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:14,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:14,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:14,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:00:14,386 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:00:14,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:00:14,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:00:14,387 INFO L87 Difference]: Start difference. First operand 623 states and 731 transitions. Second operand 9 states. [2019-09-20 13:00:14,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:14,583 INFO L93 Difference]: Finished difference Result 662 states and 772 transitions. [2019-09-20 13:00:14,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:00:14,586 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-09-20 13:00:14,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:14,589 INFO L225 Difference]: With dead ends: 662 [2019-09-20 13:00:14,589 INFO L226 Difference]: Without dead ends: 641 [2019-09-20 13:00:14,590 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:00:14,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2019-09-20 13:00:14,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 623. [2019-09-20 13:00:14,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-09-20 13:00:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 730 transitions. [2019-09-20 13:00:14,661 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 730 transitions. Word has length 85 [2019-09-20 13:00:14,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:14,663 INFO L475 AbstractCegarLoop]: Abstraction has 623 states and 730 transitions. [2019-09-20 13:00:14,663 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:00:14,663 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 730 transitions. [2019-09-20 13:00:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-20 13:00:14,665 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:14,666 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] [2019-09-20 13:00:14,666 INFO L418 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:14,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:14,666 INFO L82 PathProgramCache]: Analyzing trace with hash 678099323, now seen corresponding path program 1 times [2019-09-20 13:00:14,667 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:14,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:14,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:14,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:14,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:14,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:14,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:00:14,868 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:00:14,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:00:14,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:00:14,869 INFO L87 Difference]: Start difference. First operand 623 states and 730 transitions. Second operand 10 states. [2019-09-20 13:00:16,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:16,022 INFO L93 Difference]: Finished difference Result 633 states and 738 transitions. [2019-09-20 13:00:16,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-20 13:00:16,023 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2019-09-20 13:00:16,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:16,026 INFO L225 Difference]: With dead ends: 633 [2019-09-20 13:00:16,026 INFO L226 Difference]: Without dead ends: 628 [2019-09-20 13:00:16,026 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 [2019-09-20 13:00:16,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2019-09-20 13:00:16,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 623. [2019-09-20 13:00:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-09-20 13:00:16,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 729 transitions. [2019-09-20 13:00:16,074 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 729 transitions. Word has length 80 [2019-09-20 13:00:16,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:16,074 INFO L475 AbstractCegarLoop]: Abstraction has 623 states and 729 transitions. [2019-09-20 13:00:16,074 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:00:16,074 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 729 transitions. [2019-09-20 13:00:16,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-20 13:00:16,076 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:16,076 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] [2019-09-20 13:00:16,076 INFO L418 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:16,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:16,077 INFO L82 PathProgramCache]: Analyzing trace with hash -890197523, now seen corresponding path program 1 times [2019-09-20 13:00:16,077 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:16,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:16,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:16,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:16,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:16,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:16,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:00:16,178 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:00:16,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:00:16,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:00:16,179 INFO L87 Difference]: Start difference. First operand 623 states and 729 transitions. Second operand 9 states. [2019-09-20 13:00:17,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:17,250 INFO L93 Difference]: Finished difference Result 644 states and 752 transitions. [2019-09-20 13:00:17,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:00:17,251 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2019-09-20 13:00:17,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:17,254 INFO L225 Difference]: With dead ends: 644 [2019-09-20 13:00:17,254 INFO L226 Difference]: Without dead ends: 615 [2019-09-20 13:00:17,255 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 [2019-09-20 13:00:17,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-09-20 13:00:17,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 599. [2019-09-20 13:00:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-09-20 13:00:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 702 transitions. [2019-09-20 13:00:17,302 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 702 transitions. Word has length 81 [2019-09-20 13:00:17,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:17,303 INFO L475 AbstractCegarLoop]: Abstraction has 599 states and 702 transitions. [2019-09-20 13:00:17,303 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:00:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 702 transitions. [2019-09-20 13:00:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-20 13:00:17,304 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:17,305 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] [2019-09-20 13:00:17,305 INFO L418 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:17,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:17,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1664445418, now seen corresponding path program 1 times [2019-09-20 13:00:17,305 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:17,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:17,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:17,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:17,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 13:00:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 13:00:17,420 INFO L474 BasicCegarLoop]: Counterexample might be feasible [2019-09-20 13:00:17,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:00:17 BoogieIcfgContainer [2019-09-20 13:00:17,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:00:17,568 INFO L168 Benchmark]: Toolchain (without parser) took 26520.73 ms. Allocated memory was 130.5 MB in the beginning and 678.4 MB in the end (delta: 547.9 MB). Free memory was 85.2 MB in the beginning and 248.9 MB in the end (delta: -163.7 MB). Peak memory consumption was 384.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:17,569 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:00:17,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.59 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.0 MB in the beginning and 163.9 MB in the end (delta: -78.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:17,570 INFO L168 Benchmark]: Boogie Preprocessor took 81.41 ms. Allocated memory is still 198.7 MB. Free memory was 163.9 MB in the beginning and 159.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:17,570 INFO L168 Benchmark]: RCFGBuilder took 1323.78 ms. Allocated memory is still 198.7 MB. Free memory was 159.9 MB in the beginning and 73.4 MB in the end (delta: 86.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:17,571 INFO L168 Benchmark]: TraceAbstraction took 24450.74 ms. Allocated memory was 198.7 MB in the beginning and 678.4 MB in the end (delta: 479.7 MB). Free memory was 72.7 MB in the beginning and 248.9 MB in the end (delta: -176.2 MB). Peak memory consumption was 303.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:17,574 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.59 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.0 MB in the beginning and 163.9 MB in the end (delta: -78.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.41 ms. Allocated memory is still 198.7 MB. Free memory was 163.9 MB in the beginning and 159.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.78 ms. Allocated memory is still 198.7 MB. Free memory was 159.9 MB in the beginning and 73.4 MB in the end (delta: 86.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24450.74 ms. Allocated memory was 198.7 MB in the beginning and 678.4 MB in the end (delta: 479.7 MB). Free memory was 72.7 MB in the beginning and 248.9 MB in the end (delta: -176.2 MB). Peak memory consumption was 303.5 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, 24.3s OverallTime, 42 OverallIterations, 1 TraceHistogramMax, 16.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15321 SDtfs, 11711 SDslu, 41401 SDs, 0 SdLazy, 12533 SolverSat, 2254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 400 GetRequests, 117 SyntacticMatches, 8 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 2.6s 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: 2.3s AutomataMinimizationTime, 41 MinimizatonAttempts, 1470 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.9s 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...