java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:46:09,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:46:09,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:46:09,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-09 05:46:09,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-09 05:46:09,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-09 05:46:09,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-09 05:46:09,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-09 05:46:09,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-09 05:46:09,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-09 05:46:09,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-09 05:46:09,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-09 05:46:09,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 05:46:09,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 05:46:09,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 05:46:09,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 05:46:09,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 05:46:09,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 05:46:09,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 05:46:09,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 05:46:09,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 05:46:09,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 05:46:09,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 05:46:09,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 05:46:09,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-09 05:46:09,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-09 05:46:09,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-09 05:46:09,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-09 05:46:09,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-09 05:46:09,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-09 05:46:09,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 05:46:09,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 05:46:09,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 05:46:09,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 05:46:09,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 05:46:09,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 05:46:09,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 05:46:09,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 05:46:09,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 05:46:09,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 05:46:09,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 05:46:09,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-09 05:46:09,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:46:09,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:46:09,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:46:09,541 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:46:09,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:46:09,542 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:46:09,542 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:46:09,542 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:46:09,542 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:46:09,542 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:46:09,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:46:09,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:46:09,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:46:09,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:46:09,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:46:09,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:46:09,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:46:09,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:46:09,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:46:09,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:46:09,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:46:09,545 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:46:09,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:46:09,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:46:09,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:46:09,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:46:09,546 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:46:09,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:46:09,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:46:09,547 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:46:09,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:46:09,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:46:09,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:46:09,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:46:09,606 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:46:09,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-09 05:46:09,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e9357c7/1264a860c78f454384e7c8f97f2770dc/FLAGfe080dde4 [2019-09-09 05:46:10,198 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:46:10,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-09 05:46:10,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e9357c7/1264a860c78f454384e7c8f97f2770dc/FLAGfe080dde4 [2019-09-09 05:46:10,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e9357c7/1264a860c78f454384e7c8f97f2770dc [2019-09-09 05:46:10,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:46:10,541 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:46:10,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:46:10,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:46:10,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:46:10,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:46:10" (1/1) ... [2019-09-09 05:46:10,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41faf090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:10, skipping insertion in model container [2019-09-09 05:46:10,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:46:10" (1/1) ... [2019-09-09 05:46:10,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:46:10,614 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:46:11,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:46:11,046 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:46:11,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:46:11,156 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:46:11,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:11 WrapperNode [2019-09-09 05:46:11,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:46:11,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:46:11,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:46:11,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:46:11,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:11" (1/1) ... [2019-09-09 05:46:11,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:11" (1/1) ... [2019-09-09 05:46:11,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:11" (1/1) ... [2019-09-09 05:46:11,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:11" (1/1) ... [2019-09-09 05:46:11,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:11" (1/1) ... [2019-09-09 05:46:11,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:11" (1/1) ... [2019-09-09 05:46:11,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:11" (1/1) ... [2019-09-09 05:46:11,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:46:11,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:46:11,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:46:11,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:46:11,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:11" (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 [2019-09-09 05:46:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:46:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:46:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-09 05:46:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-09 05:46:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-09 05:46:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-09 05:46:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-09 05:46:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-09 05:46:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-09 05:46:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-09 05:46:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-09 05:46:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-09 05:46:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:46:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-09 05:46:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-09 05:46:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-09 05:46:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-09 05:46:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-09 05:46:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-09 05:46:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-09 05:46:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-09 05:46:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-09 05:46:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-09 05:46:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-09 05:46:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-09 05:46:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-09 05:46:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:46:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-09 05:46:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 05:46:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-09 05:46:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-09 05:46:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-09 05:46:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-09 05:46:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-09 05:46:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-09 05:46:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-09 05:46:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-09 05:46:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-09 05:46:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-09 05:46:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-09 05:46:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-09 05:46:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-09 05:46:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-09 05:46:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-09 05:46:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-09 05:46:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-09 05:46:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-09 05:46:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-09 05:46:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-09 05:46:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-09 05:46:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-09 05:46:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-09 05:46:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-09 05:46:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:46:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-09 05:46:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:46:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:46:11,655 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:11,711 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:46:11,711 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:46:11,726 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:11,764 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:46:11,764 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:46:11,780 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:12,042 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-09 05:46:12,043 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-09 05:46:12,045 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:12,211 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-09 05:46:12,211 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-09 05:46:12,220 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:12,243 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-09 05:46:12,243 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-09 05:46:12,363 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:12,372 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:46:12,373 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:46:12,373 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:12,383 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:46:12,383 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:46:12,384 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:12,396 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:46:12,396 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:46:12,449 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:12,492 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-09 05:46:12,492 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-09 05:46:12,521 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:12,533 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:46:12,534 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:46:12,534 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:12,548 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:46:12,548 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:46:12,549 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:46:12,555 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:46:12,555 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:46:12,569 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:46:12,570 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-09 05:46:12,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:46:12 BoogieIcfgContainer [2019-09-09 05:46:12,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:46:12,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:46:12,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:46:12,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:46:12,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:46:10" (1/3) ... [2019-09-09 05:46:12,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f2a070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:46:12, skipping insertion in model container [2019-09-09 05:46:12,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:46:11" (2/3) ... [2019-09-09 05:46:12,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f2a070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:46:12, skipping insertion in model container [2019-09-09 05:46:12,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:46:12" (3/3) ... [2019-09-09 05:46:12,581 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2019-09-09 05:46:12,591 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:46:12,598 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:46:12,614 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:46:12,657 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:46:12,657 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:46:12,657 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:46:12,657 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:46:12,657 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:46:12,657 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:46:12,658 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:46:12,658 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:46:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-09-09 05:46:12,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-09 05:46:12,691 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:12,692 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:46:12,694 INFO L418 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:12,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:12,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1935172457, now seen corresponding path program 1 times [2019-09-09 05:46:12,701 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:12,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:12,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:12,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:12,746 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:12,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:12,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:12,940 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:12,946 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:12,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:12,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:12,964 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 3 states. [2019-09-09 05:46:13,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:13,070 INFO L93 Difference]: Finished difference Result 301 states and 402 transitions. [2019-09-09 05:46:13,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:13,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-09-09 05:46:13,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:13,105 INFO L225 Difference]: With dead ends: 301 [2019-09-09 05:46:13,105 INFO L226 Difference]: Without dead ends: 294 [2019-09-09 05:46:13,108 INFO L628 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 [2019-09-09 05:46:13,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-09-09 05:46:13,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2019-09-09 05:46:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-09-09 05:46:13,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 388 transitions. [2019-09-09 05:46:13,232 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 388 transitions. Word has length 20 [2019-09-09 05:46:13,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:13,232 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 388 transitions. [2019-09-09 05:46:13,232 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 388 transitions. [2019-09-09 05:46:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-09-09 05:46:13,234 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:13,234 INFO L399 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] [2019-09-09 05:46:13,234 INFO L418 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:13,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:13,236 INFO L82 PathProgramCache]: Analyzing trace with hash -657914795, now seen corresponding path program 1 times [2019-09-09 05:46:13,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:13,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:13,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:13,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:13,238 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:13,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:13,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-09 05:46:13,506 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:13,507 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-09 05:46:13,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-09 05:46:13,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-09 05:46:13,508 INFO L87 Difference]: Start difference. First operand 294 states and 388 transitions. Second operand 4 states. [2019-09-09 05:46:13,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:13,875 INFO L93 Difference]: Finished difference Result 501 states and 648 transitions. [2019-09-09 05:46:13,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-09 05:46:13,876 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-09-09 05:46:13,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:13,888 INFO L225 Difference]: With dead ends: 501 [2019-09-09 05:46:13,889 INFO L226 Difference]: Without dead ends: 501 [2019-09-09 05:46:13,890 INFO L628 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 [2019-09-09 05:46:13,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-09-09 05:46:13,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 383. [2019-09-09 05:46:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-09-09 05:46:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 500 transitions. [2019-09-09 05:46:13,949 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 500 transitions. Word has length 28 [2019-09-09 05:46:13,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:13,949 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 500 transitions. [2019-09-09 05:46:13,949 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-09 05:46:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 500 transitions. [2019-09-09 05:46:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-09-09 05:46:13,950 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:13,951 INFO L399 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] [2019-09-09 05:46:13,951 INFO L418 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:13,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:13,951 INFO L82 PathProgramCache]: Analyzing trace with hash 151431831, now seen corresponding path program 1 times [2019-09-09 05:46:13,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:13,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:13,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:13,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:13,953 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:14,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:14,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:14,104 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:14,104 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:14,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:14,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:14,105 INFO L87 Difference]: Start difference. First operand 383 states and 500 transitions. Second operand 3 states. [2019-09-09 05:46:14,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:14,235 INFO L93 Difference]: Finished difference Result 540 states and 704 transitions. [2019-09-09 05:46:14,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:14,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-09-09 05:46:14,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:14,240 INFO L225 Difference]: With dead ends: 540 [2019-09-09 05:46:14,240 INFO L226 Difference]: Without dead ends: 539 [2019-09-09 05:46:14,240 INFO L628 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 [2019-09-09 05:46:14,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-09-09 05:46:14,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 520. [2019-09-09 05:46:14,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-09-09 05:46:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 679 transitions. [2019-09-09 05:46:14,277 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 679 transitions. Word has length 28 [2019-09-09 05:46:14,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:14,278 INFO L475 AbstractCegarLoop]: Abstraction has 520 states and 679 transitions. [2019-09-09 05:46:14,278 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:14,278 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 679 transitions. [2019-09-09 05:46:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-09-09 05:46:14,280 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:14,280 INFO L399 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] [2019-09-09 05:46:14,280 INFO L418 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:14,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:14,281 INFO L82 PathProgramCache]: Analyzing trace with hash -523056827, now seen corresponding path program 1 times [2019-09-09 05:46:14,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:14,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:14,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:14,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:14,283 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:14,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:14,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:14,393 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:14,393 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:14,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:14,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:14,395 INFO L87 Difference]: Start difference. First operand 520 states and 679 transitions. Second operand 3 states. [2019-09-09 05:46:14,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:14,439 INFO L93 Difference]: Finished difference Result 735 states and 968 transitions. [2019-09-09 05:46:14,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:14,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-09-09 05:46:14,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:14,447 INFO L225 Difference]: With dead ends: 735 [2019-09-09 05:46:14,447 INFO L226 Difference]: Without dead ends: 735 [2019-09-09 05:46:14,448 INFO L628 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 [2019-09-09 05:46:14,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2019-09-09 05:46:14,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 702. [2019-09-09 05:46:14,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2019-09-09 05:46:14,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 929 transitions. [2019-09-09 05:46:14,492 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 929 transitions. Word has length 30 [2019-09-09 05:46:14,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:14,493 INFO L475 AbstractCegarLoop]: Abstraction has 702 states and 929 transitions. [2019-09-09 05:46:14,493 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:14,493 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 929 transitions. [2019-09-09 05:46:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-09 05:46:14,503 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:14,504 INFO L399 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] [2019-09-09 05:46:14,505 INFO L418 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:14,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:14,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1040933871, now seen corresponding path program 1 times [2019-09-09 05:46:14,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:14,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:14,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:14,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:14,507 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:14,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:14,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:14,566 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:14,566 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:14,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:14,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:14,567 INFO L87 Difference]: Start difference. First operand 702 states and 929 transitions. Second operand 3 states. [2019-09-09 05:46:14,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:14,605 INFO L93 Difference]: Finished difference Result 830 states and 1086 transitions. [2019-09-09 05:46:14,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:14,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-09-09 05:46:14,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:14,611 INFO L225 Difference]: With dead ends: 830 [2019-09-09 05:46:14,611 INFO L226 Difference]: Without dead ends: 830 [2019-09-09 05:46:14,612 INFO L628 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 [2019-09-09 05:46:14,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2019-09-09 05:46:14,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 791. [2019-09-09 05:46:14,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-09-09 05:46:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1044 transitions. [2019-09-09 05:46:14,641 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1044 transitions. Word has length 34 [2019-09-09 05:46:14,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:14,642 INFO L475 AbstractCegarLoop]: Abstraction has 791 states and 1044 transitions. [2019-09-09 05:46:14,642 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1044 transitions. [2019-09-09 05:46:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-09-09 05:46:14,644 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:14,644 INFO L399 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] [2019-09-09 05:46:14,644 INFO L418 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:14,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:14,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1618645229, now seen corresponding path program 1 times [2019-09-09 05:46:14,645 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:14,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:14,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:14,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:14,646 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:14,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:14,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:14,693 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:14,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:14,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:14,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:14,694 INFO L87 Difference]: Start difference. First operand 791 states and 1044 transitions. Second operand 3 states. [2019-09-09 05:46:14,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:14,810 INFO L93 Difference]: Finished difference Result 1185 states and 1585 transitions. [2019-09-09 05:46:14,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:14,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-09-09 05:46:14,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:14,818 INFO L225 Difference]: With dead ends: 1185 [2019-09-09 05:46:14,818 INFO L226 Difference]: Without dead ends: 1185 [2019-09-09 05:46:14,819 INFO L628 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 [2019-09-09 05:46:14,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-09-09 05:46:14,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 918. [2019-09-09 05:46:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2019-09-09 05:46:14,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1219 transitions. [2019-09-09 05:46:14,864 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1219 transitions. Word has length 41 [2019-09-09 05:46:14,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:14,865 INFO L475 AbstractCegarLoop]: Abstraction has 918 states and 1219 transitions. [2019-09-09 05:46:14,865 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1219 transitions. [2019-09-09 05:46:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-09-09 05:46:14,867 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:14,867 INFO L399 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] [2019-09-09 05:46:14,867 INFO L418 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:14,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:14,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1801190041, now seen corresponding path program 1 times [2019-09-09 05:46:14,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:14,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:14,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:14,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:14,869 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:14,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:14,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:14,922 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:14,922 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:14,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:14,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:14,923 INFO L87 Difference]: Start difference. First operand 918 states and 1219 transitions. Second operand 3 states. [2019-09-09 05:46:15,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:15,020 INFO L93 Difference]: Finished difference Result 930 states and 1233 transitions. [2019-09-09 05:46:15,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:15,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-09-09 05:46:15,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:15,027 INFO L225 Difference]: With dead ends: 930 [2019-09-09 05:46:15,027 INFO L226 Difference]: Without dead ends: 930 [2019-09-09 05:46:15,028 INFO L628 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 [2019-09-09 05:46:15,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2019-09-09 05:46:15,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 929. [2019-09-09 05:46:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2019-09-09 05:46:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1231 transitions. [2019-09-09 05:46:15,057 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1231 transitions. Word has length 40 [2019-09-09 05:46:15,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:15,058 INFO L475 AbstractCegarLoop]: Abstraction has 929 states and 1231 transitions. [2019-09-09 05:46:15,058 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1231 transitions. [2019-09-09 05:46:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-09-09 05:46:15,059 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:15,060 INFO L399 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] [2019-09-09 05:46:15,060 INFO L418 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:15,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:15,060 INFO L82 PathProgramCache]: Analyzing trace with hash -2006089857, now seen corresponding path program 1 times [2019-09-09 05:46:15,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:15,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:15,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:15,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:15,062 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:15,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:15,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:15,104 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:15,105 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:15,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:15,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:15,105 INFO L87 Difference]: Start difference. First operand 929 states and 1231 transitions. Second operand 3 states. [2019-09-09 05:46:15,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:15,186 INFO L93 Difference]: Finished difference Result 968 states and 1278 transitions. [2019-09-09 05:46:15,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:15,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-09-09 05:46:15,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:15,193 INFO L225 Difference]: With dead ends: 968 [2019-09-09 05:46:15,194 INFO L226 Difference]: Without dead ends: 968 [2019-09-09 05:46:15,194 INFO L628 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 [2019-09-09 05:46:15,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2019-09-09 05:46:15,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 964. [2019-09-09 05:46:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2019-09-09 05:46:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1275 transitions. [2019-09-09 05:46:15,235 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1275 transitions. Word has length 41 [2019-09-09 05:46:15,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:15,235 INFO L475 AbstractCegarLoop]: Abstraction has 964 states and 1275 transitions. [2019-09-09 05:46:15,236 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1275 transitions. [2019-09-09 05:46:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-09 05:46:15,238 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:15,238 INFO L399 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] [2019-09-09 05:46:15,238 INFO L418 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:15,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:15,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1123776538, now seen corresponding path program 1 times [2019-09-09 05:46:15,239 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:15,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:15,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:15,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:15,241 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:15,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:15,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:15,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:15,398 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:15,398 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:15,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:15,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:15,399 INFO L87 Difference]: Start difference. First operand 964 states and 1275 transitions. Second operand 5 states. [2019-09-09 05:46:16,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:16,001 INFO L93 Difference]: Finished difference Result 1143 states and 1504 transitions. [2019-09-09 05:46:16,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-09 05:46:16,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2019-09-09 05:46:16,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:16,009 INFO L225 Difference]: With dead ends: 1143 [2019-09-09 05:46:16,009 INFO L226 Difference]: Without dead ends: 1143 [2019-09-09 05:46:16,010 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-09 05:46:16,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2019-09-09 05:46:16,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 949. [2019-09-09 05:46:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-09-09 05:46:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1240 transitions. [2019-09-09 05:46:16,046 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1240 transitions. Word has length 42 [2019-09-09 05:46:16,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:16,047 INFO L475 AbstractCegarLoop]: Abstraction has 949 states and 1240 transitions. [2019-09-09 05:46:16,047 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1240 transitions. [2019-09-09 05:46:16,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-09 05:46:16,048 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:16,048 INFO L399 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] [2019-09-09 05:46:16,049 INFO L418 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:16,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:16,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1606408613, now seen corresponding path program 1 times [2019-09-09 05:46:16,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:16,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:16,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:16,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:16,051 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:16,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:16,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:16,130 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:16,130 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:16,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:16,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:16,131 INFO L87 Difference]: Start difference. First operand 949 states and 1240 transitions. Second operand 5 states. [2019-09-09 05:46:16,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:16,475 INFO L93 Difference]: Finished difference Result 953 states and 1241 transitions. [2019-09-09 05:46:16,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 05:46:16,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2019-09-09 05:46:16,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:16,484 INFO L225 Difference]: With dead ends: 953 [2019-09-09 05:46:16,484 INFO L226 Difference]: Without dead ends: 953 [2019-09-09 05:46:16,484 INFO L628 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 [2019-09-09 05:46:16,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2019-09-09 05:46:16,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 949. [2019-09-09 05:46:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-09-09 05:46:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1238 transitions. [2019-09-09 05:46:16,522 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1238 transitions. Word has length 42 [2019-09-09 05:46:16,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:16,523 INFO L475 AbstractCegarLoop]: Abstraction has 949 states and 1238 transitions. [2019-09-09 05:46:16,523 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1238 transitions. [2019-09-09 05:46:16,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-09-09 05:46:16,524 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:16,524 INFO L399 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] [2019-09-09 05:46:16,525 INFO L418 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:16,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash 851921771, now seen corresponding path program 1 times [2019-09-09 05:46:16,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:16,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:16,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:16,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:16,527 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:16,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:16,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:16,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:16,599 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:16,600 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:16,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:16,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:16,600 INFO L87 Difference]: Start difference. First operand 949 states and 1238 transitions. Second operand 5 states. [2019-09-09 05:46:16,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:16,982 INFO L93 Difference]: Finished difference Result 953 states and 1239 transitions. [2019-09-09 05:46:16,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 05:46:16,983 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2019-09-09 05:46:16,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:16,988 INFO L225 Difference]: With dead ends: 953 [2019-09-09 05:46:16,988 INFO L226 Difference]: Without dead ends: 953 [2019-09-09 05:46:16,990 INFO L628 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 [2019-09-09 05:46:16,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2019-09-09 05:46:17,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 949. [2019-09-09 05:46:17,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-09-09 05:46:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1236 transitions. [2019-09-09 05:46:17,016 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1236 transitions. Word has length 43 [2019-09-09 05:46:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:17,017 INFO L475 AbstractCegarLoop]: Abstraction has 949 states and 1236 transitions. [2019-09-09 05:46:17,017 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1236 transitions. [2019-09-09 05:46:17,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-09-09 05:46:17,019 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:17,019 INFO L399 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] [2019-09-09 05:46:17,019 INFO L418 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:17,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:17,020 INFO L82 PathProgramCache]: Analyzing trace with hash 694919684, now seen corresponding path program 1 times [2019-09-09 05:46:17,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:17,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:17,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:17,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:17,022 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:17,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:17,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:17,089 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:17,089 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:17,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:17,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:17,090 INFO L87 Difference]: Start difference. First operand 949 states and 1236 transitions. Second operand 5 states. [2019-09-09 05:46:17,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:17,125 INFO L93 Difference]: Finished difference Result 962 states and 1248 transitions. [2019-09-09 05:46:17,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 05:46:17,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-09-09 05:46:17,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:17,131 INFO L225 Difference]: With dead ends: 962 [2019-09-09 05:46:17,131 INFO L226 Difference]: Without dead ends: 947 [2019-09-09 05:46:17,131 INFO L628 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 [2019-09-09 05:46:17,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2019-09-09 05:46:17,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 947. [2019-09-09 05:46:17,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2019-09-09 05:46:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1232 transitions. [2019-09-09 05:46:17,165 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1232 transitions. Word has length 44 [2019-09-09 05:46:17,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:17,166 INFO L475 AbstractCegarLoop]: Abstraction has 947 states and 1232 transitions. [2019-09-09 05:46:17,166 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1232 transitions. [2019-09-09 05:46:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-09-09 05:46:17,168 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:17,168 INFO L399 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] [2019-09-09 05:46:17,168 INFO L418 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:17,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:17,169 INFO L82 PathProgramCache]: Analyzing trace with hash -357671628, now seen corresponding path program 1 times [2019-09-09 05:46:17,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:17,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:17,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:17,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:17,171 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:17,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:17,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-09 05:46:17,237 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:17,237 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-09 05:46:17,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-09 05:46:17,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-09 05:46:17,239 INFO L87 Difference]: Start difference. First operand 947 states and 1232 transitions. Second operand 4 states. [2019-09-09 05:46:17,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:17,399 INFO L93 Difference]: Finished difference Result 698 states and 871 transitions. [2019-09-09 05:46:17,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-09 05:46:17,400 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2019-09-09 05:46:17,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:17,404 INFO L225 Difference]: With dead ends: 698 [2019-09-09 05:46:17,404 INFO L226 Difference]: Without dead ends: 698 [2019-09-09 05:46:17,405 INFO L628 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 [2019-09-09 05:46:17,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2019-09-09 05:46:17,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 661. [2019-09-09 05:46:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2019-09-09 05:46:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 827 transitions. [2019-09-09 05:46:17,425 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 827 transitions. Word has length 49 [2019-09-09 05:46:17,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:17,426 INFO L475 AbstractCegarLoop]: Abstraction has 661 states and 827 transitions. [2019-09-09 05:46:17,426 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-09 05:46:17,426 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 827 transitions. [2019-09-09 05:46:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-09 05:46:17,429 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:17,429 INFO L399 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] [2019-09-09 05:46:17,430 INFO L418 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:17,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:17,430 INFO L82 PathProgramCache]: Analyzing trace with hash -396227580, now seen corresponding path program 1 times [2019-09-09 05:46:17,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:17,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:17,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:17,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:17,431 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:17,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:17,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:17,510 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:17,510 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:17,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:17,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:17,512 INFO L87 Difference]: Start difference. First operand 661 states and 827 transitions. Second operand 3 states. [2019-09-09 05:46:17,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:17,576 INFO L93 Difference]: Finished difference Result 669 states and 838 transitions. [2019-09-09 05:46:17,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:17,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-09-09 05:46:17,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:17,580 INFO L225 Difference]: With dead ends: 669 [2019-09-09 05:46:17,581 INFO L226 Difference]: Without dead ends: 669 [2019-09-09 05:46:17,582 INFO L628 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 [2019-09-09 05:46:17,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2019-09-09 05:46:17,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2019-09-09 05:46:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2019-09-09 05:46:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 838 transitions. [2019-09-09 05:46:17,600 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 838 transitions. Word has length 55 [2019-09-09 05:46:17,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:17,601 INFO L475 AbstractCegarLoop]: Abstraction has 669 states and 838 transitions. [2019-09-09 05:46:17,601 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:17,601 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 838 transitions. [2019-09-09 05:46:17,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-09 05:46:17,603 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:17,603 INFO L399 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] [2019-09-09 05:46:17,603 INFO L418 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:17,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:17,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1957781293, now seen corresponding path program 1 times [2019-09-09 05:46:17,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:17,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:17,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:17,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:17,606 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:17,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:17,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:17,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:17,662 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:17,663 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:17,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:17,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:17,664 INFO L87 Difference]: Start difference. First operand 669 states and 838 transitions. Second operand 3 states. [2019-09-09 05:46:17,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:17,789 INFO L93 Difference]: Finished difference Result 872 states and 1108 transitions. [2019-09-09 05:46:17,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:17,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-09 05:46:17,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:17,795 INFO L225 Difference]: With dead ends: 872 [2019-09-09 05:46:17,795 INFO L226 Difference]: Without dead ends: 872 [2019-09-09 05:46:17,798 INFO L628 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 [2019-09-09 05:46:17,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2019-09-09 05:46:17,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 739. [2019-09-09 05:46:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2019-09-09 05:46:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 923 transitions. [2019-09-09 05:46:17,820 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 923 transitions. Word has length 52 [2019-09-09 05:46:17,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:17,820 INFO L475 AbstractCegarLoop]: Abstraction has 739 states and 923 transitions. [2019-09-09 05:46:17,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:17,820 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 923 transitions. [2019-09-09 05:46:17,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-09 05:46:17,823 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:17,823 INFO L399 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] [2019-09-09 05:46:17,824 INFO L418 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:17,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:17,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1014512749, now seen corresponding path program 1 times [2019-09-09 05:46:17,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:17,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:17,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:17,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:17,826 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:17,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:17,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-09 05:46:17,914 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:17,917 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 05:46:17,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 05:46:17,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-09 05:46:17,918 INFO L87 Difference]: Start difference. First operand 739 states and 923 transitions. Second operand 8 states. [2019-09-09 05:46:18,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:18,003 INFO L93 Difference]: Finished difference Result 828 states and 1044 transitions. [2019-09-09 05:46:18,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 05:46:18,004 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-09-09 05:46:18,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:18,008 INFO L225 Difference]: With dead ends: 828 [2019-09-09 05:46:18,008 INFO L226 Difference]: Without dead ends: 825 [2019-09-09 05:46:18,009 INFO L628 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 [2019-09-09 05:46:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2019-09-09 05:46:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 786. [2019-09-09 05:46:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-09-09 05:46:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 994 transitions. [2019-09-09 05:46:18,037 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 994 transitions. Word has length 53 [2019-09-09 05:46:18,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:18,038 INFO L475 AbstractCegarLoop]: Abstraction has 786 states and 994 transitions. [2019-09-09 05:46:18,038 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 05:46:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 994 transitions. [2019-09-09 05:46:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-09 05:46:18,040 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:18,040 INFO L399 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] [2019-09-09 05:46:18,040 INFO L418 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:18,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:18,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1014789579, now seen corresponding path program 1 times [2019-09-09 05:46:18,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:18,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:18,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:18,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:18,042 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:18,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:18,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:18,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-09 05:46:18,115 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:18,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-09 05:46:18,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-09 05:46:18,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-09 05:46:18,116 INFO L87 Difference]: Start difference. First operand 786 states and 994 transitions. Second operand 8 states. [2019-09-09 05:46:18,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:18,275 INFO L93 Difference]: Finished difference Result 813 states and 1025 transitions. [2019-09-09 05:46:18,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-09 05:46:18,276 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-09-09 05:46:18,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:18,280 INFO L225 Difference]: With dead ends: 813 [2019-09-09 05:46:18,280 INFO L226 Difference]: Without dead ends: 800 [2019-09-09 05:46:18,281 INFO L628 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 [2019-09-09 05:46:18,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2019-09-09 05:46:18,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 792. [2019-09-09 05:46:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2019-09-09 05:46:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 999 transitions. [2019-09-09 05:46:18,303 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 999 transitions. Word has length 53 [2019-09-09 05:46:18,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:18,303 INFO L475 AbstractCegarLoop]: Abstraction has 792 states and 999 transitions. [2019-09-09 05:46:18,303 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-09 05:46:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 999 transitions. [2019-09-09 05:46:18,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-09 05:46:18,311 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:18,311 INFO L399 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] [2019-09-09 05:46:18,311 INFO L418 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:18,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:18,312 INFO L82 PathProgramCache]: Analyzing trace with hash 29740109, now seen corresponding path program 1 times [2019-09-09 05:46:18,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:18,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:18,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:18,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:18,313 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:18,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:18,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:18,470 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:18,471 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:18,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:18,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:18,472 INFO L87 Difference]: Start difference. First operand 792 states and 999 transitions. Second operand 5 states. [2019-09-09 05:46:18,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:18,489 INFO L93 Difference]: Finished difference Result 773 states and 969 transitions. [2019-09-09 05:46:18,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 05:46:18,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2019-09-09 05:46:18,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:18,493 INFO L225 Difference]: With dead ends: 773 [2019-09-09 05:46:18,494 INFO L226 Difference]: Without dead ends: 773 [2019-09-09 05:46:18,494 INFO L628 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 [2019-09-09 05:46:18,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-09-09 05:46:18,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 773. [2019-09-09 05:46:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2019-09-09 05:46:18,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 969 transitions. [2019-09-09 05:46:18,521 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 969 transitions. Word has length 61 [2019-09-09 05:46:18,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:18,522 INFO L475 AbstractCegarLoop]: Abstraction has 773 states and 969 transitions. [2019-09-09 05:46:18,522 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:18,522 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 969 transitions. [2019-09-09 05:46:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-09 05:46:18,524 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:18,524 INFO L399 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] [2019-09-09 05:46:18,525 INFO L418 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:18,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:18,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1073013810, now seen corresponding path program 1 times [2019-09-09 05:46:18,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:18,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:18,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:18,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:18,528 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:18,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:18,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:18,577 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:18,577 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:18,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:18,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:18,578 INFO L87 Difference]: Start difference. First operand 773 states and 969 transitions. Second operand 3 states. [2019-09-09 05:46:18,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:18,636 INFO L93 Difference]: Finished difference Result 874 states and 1088 transitions. [2019-09-09 05:46:18,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:18,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-09-09 05:46:18,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:18,642 INFO L225 Difference]: With dead ends: 874 [2019-09-09 05:46:18,642 INFO L226 Difference]: Without dead ends: 865 [2019-09-09 05:46:18,644 INFO L628 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 [2019-09-09 05:46:18,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2019-09-09 05:46:18,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 852. [2019-09-09 05:46:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-09-09 05:46:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1065 transitions. [2019-09-09 05:46:18,667 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1065 transitions. Word has length 54 [2019-09-09 05:46:18,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:18,668 INFO L475 AbstractCegarLoop]: Abstraction has 852 states and 1065 transitions. [2019-09-09 05:46:18,668 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1065 transitions. [2019-09-09 05:46:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-09 05:46:18,670 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:18,670 INFO L399 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] [2019-09-09 05:46:18,671 INFO L418 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:18,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:18,671 INFO L82 PathProgramCache]: Analyzing trace with hash 929734452, now seen corresponding path program 1 times [2019-09-09 05:46:18,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:18,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:18,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:18,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:18,673 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:18,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:18,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:18,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-09 05:46:18,741 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:18,741 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-09 05:46:18,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-09 05:46:18,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-09 05:46:18,743 INFO L87 Difference]: Start difference. First operand 852 states and 1065 transitions. Second operand 7 states. [2019-09-09 05:46:19,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:19,459 INFO L93 Difference]: Finished difference Result 775 states and 957 transitions. [2019-09-09 05:46:19,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 05:46:19,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-09-09 05:46:19,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:19,464 INFO L225 Difference]: With dead ends: 775 [2019-09-09 05:46:19,464 INFO L226 Difference]: Without dead ends: 775 [2019-09-09 05:46:19,464 INFO L628 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 [2019-09-09 05:46:19,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2019-09-09 05:46:19,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 729. [2019-09-09 05:46:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-09-09 05:46:19,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 900 transitions. [2019-09-09 05:46:19,483 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 900 transitions. Word has length 54 [2019-09-09 05:46:19,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:19,483 INFO L475 AbstractCegarLoop]: Abstraction has 729 states and 900 transitions. [2019-09-09 05:46:19,483 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-09 05:46:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 900 transitions. [2019-09-09 05:46:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-09 05:46:19,485 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:19,485 INFO L399 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] [2019-09-09 05:46:19,485 INFO L418 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:19,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:19,486 INFO L82 PathProgramCache]: Analyzing trace with hash -221836227, now seen corresponding path program 1 times [2019-09-09 05:46:19,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:19,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:19,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:19,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:19,487 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:19,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:19,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:19,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:19,537 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:19,537 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:19,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:19,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:19,538 INFO L87 Difference]: Start difference. First operand 729 states and 900 transitions. Second operand 5 states. [2019-09-09 05:46:20,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:20,010 INFO L93 Difference]: Finished difference Result 855 states and 1068 transitions. [2019-09-09 05:46:20,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 05:46:20,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-09-09 05:46:20,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:20,015 INFO L225 Difference]: With dead ends: 855 [2019-09-09 05:46:20,016 INFO L226 Difference]: Without dead ends: 855 [2019-09-09 05:46:20,016 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-09 05:46:20,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2019-09-09 05:46:20,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 729. [2019-09-09 05:46:20,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-09-09 05:46:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 897 transitions. [2019-09-09 05:46:20,036 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 897 transitions. Word has length 54 [2019-09-09 05:46:20,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:20,036 INFO L475 AbstractCegarLoop]: Abstraction has 729 states and 897 transitions. [2019-09-09 05:46:20,036 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:20,036 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 897 transitions. [2019-09-09 05:46:20,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-09 05:46:20,038 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:20,038 INFO L399 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] [2019-09-09 05:46:20,039 INFO L418 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:20,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:20,039 INFO L82 PathProgramCache]: Analyzing trace with hash 823992777, now seen corresponding path program 1 times [2019-09-09 05:46:20,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:20,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:20,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:20,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:20,041 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:20,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:20,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:20,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:20,089 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:20,090 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:20,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:20,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:20,090 INFO L87 Difference]: Start difference. First operand 729 states and 897 transitions. Second operand 5 states. [2019-09-09 05:46:20,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:20,528 INFO L93 Difference]: Finished difference Result 853 states and 1064 transitions. [2019-09-09 05:46:20,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 05:46:20,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2019-09-09 05:46:20,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:20,535 INFO L225 Difference]: With dead ends: 853 [2019-09-09 05:46:20,535 INFO L226 Difference]: Without dead ends: 841 [2019-09-09 05:46:20,535 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-09 05:46:20,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2019-09-09 05:46:20,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 719. [2019-09-09 05:46:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2019-09-09 05:46:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 883 transitions. [2019-09-09 05:46:20,557 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 883 transitions. Word has length 55 [2019-09-09 05:46:20,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:20,558 INFO L475 AbstractCegarLoop]: Abstraction has 719 states and 883 transitions. [2019-09-09 05:46:20,558 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 883 transitions. [2019-09-09 05:46:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-09 05:46:20,560 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:20,560 INFO L399 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] [2019-09-09 05:46:20,560 INFO L418 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:20,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:20,561 INFO L82 PathProgramCache]: Analyzing trace with hash 475410832, now seen corresponding path program 1 times [2019-09-09 05:46:20,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:20,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:20,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:20,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:20,563 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:20,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:20,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-09 05:46:20,652 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:20,652 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-09 05:46:20,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-09 05:46:20,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-09 05:46:20,653 INFO L87 Difference]: Start difference. First operand 719 states and 883 transitions. Second operand 6 states. [2019-09-09 05:46:20,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:20,702 INFO L93 Difference]: Finished difference Result 737 states and 900 transitions. [2019-09-09 05:46:20,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-09 05:46:20,703 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-09-09 05:46:20,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:20,706 INFO L225 Difference]: With dead ends: 737 [2019-09-09 05:46:20,706 INFO L226 Difference]: Without dead ends: 709 [2019-09-09 05:46:20,707 INFO L628 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 [2019-09-09 05:46:20,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-09-09 05:46:20,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 707. [2019-09-09 05:46:20,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2019-09-09 05:46:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 867 transitions. [2019-09-09 05:46:20,723 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 867 transitions. Word has length 57 [2019-09-09 05:46:20,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:20,724 INFO L475 AbstractCegarLoop]: Abstraction has 707 states and 867 transitions. [2019-09-09 05:46:20,725 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-09 05:46:20,725 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 867 transitions. [2019-09-09 05:46:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-09 05:46:20,726 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:20,726 INFO L399 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] [2019-09-09 05:46:20,727 INFO L418 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:20,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:20,728 INFO L82 PathProgramCache]: Analyzing trace with hash 931099608, now seen corresponding path program 1 times [2019-09-09 05:46:20,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:20,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:20,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:20,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:20,730 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:20,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:20,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:20,821 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:20,821 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:20,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:20,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:20,822 INFO L87 Difference]: Start difference. First operand 707 states and 867 transitions. Second operand 5 states. [2019-09-09 05:46:21,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:21,108 INFO L93 Difference]: Finished difference Result 715 states and 872 transitions. [2019-09-09 05:46:21,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 05:46:21,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-09-09 05:46:21,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:21,112 INFO L225 Difference]: With dead ends: 715 [2019-09-09 05:46:21,113 INFO L226 Difference]: Without dead ends: 701 [2019-09-09 05:46:21,115 INFO L628 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 [2019-09-09 05:46:21,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2019-09-09 05:46:21,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 686. [2019-09-09 05:46:21,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2019-09-09 05:46:21,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 837 transitions. [2019-09-09 05:46:21,136 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 837 transitions. Word has length 56 [2019-09-09 05:46:21,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:21,137 INFO L475 AbstractCegarLoop]: Abstraction has 686 states and 837 transitions. [2019-09-09 05:46:21,137 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 837 transitions. [2019-09-09 05:46:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-09 05:46:21,139 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:21,139 INFO L399 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] [2019-09-09 05:46:21,139 INFO L418 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:21,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:21,140 INFO L82 PathProgramCache]: Analyzing trace with hash -119702348, now seen corresponding path program 1 times [2019-09-09 05:46:21,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:21,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:21,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:21,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:21,144 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:21,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:21,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:21,203 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:21,204 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:21,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:21,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:21,204 INFO L87 Difference]: Start difference. First operand 686 states and 837 transitions. Second operand 5 states. [2019-09-09 05:46:21,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:21,487 INFO L93 Difference]: Finished difference Result 686 states and 835 transitions. [2019-09-09 05:46:21,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 05:46:21,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-09 05:46:21,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:21,492 INFO L225 Difference]: With dead ends: 686 [2019-09-09 05:46:21,492 INFO L226 Difference]: Without dead ends: 686 [2019-09-09 05:46:21,493 INFO L628 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 [2019-09-09 05:46:21,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-09-09 05:46:21,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2019-09-09 05:46:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2019-09-09 05:46:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 835 transitions. [2019-09-09 05:46:21,523 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 835 transitions. Word has length 65 [2019-09-09 05:46:21,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:21,526 INFO L475 AbstractCegarLoop]: Abstraction has 686 states and 835 transitions. [2019-09-09 05:46:21,526 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:21,526 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 835 transitions. [2019-09-09 05:46:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-09 05:46:21,528 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:21,529 INFO L399 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] [2019-09-09 05:46:21,529 INFO L418 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:21,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:21,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2029598960, now seen corresponding path program 1 times [2019-09-09 05:46:21,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:21,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:21,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:21,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:21,531 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:21,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:21,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:21,588 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:21,589 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:21,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:21,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:21,590 INFO L87 Difference]: Start difference. First operand 686 states and 835 transitions. Second operand 3 states. [2019-09-09 05:46:21,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:21,610 INFO L93 Difference]: Finished difference Result 688 states and 829 transitions. [2019-09-09 05:46:21,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:21,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-09-09 05:46:21,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:21,617 INFO L225 Difference]: With dead ends: 688 [2019-09-09 05:46:21,617 INFO L226 Difference]: Without dead ends: 688 [2019-09-09 05:46:21,618 INFO L628 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 [2019-09-09 05:46:21,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2019-09-09 05:46:21,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 685. [2019-09-09 05:46:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2019-09-09 05:46:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 827 transitions. [2019-09-09 05:46:21,634 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 827 transitions. Word has length 59 [2019-09-09 05:46:21,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:21,634 INFO L475 AbstractCegarLoop]: Abstraction has 685 states and 827 transitions. [2019-09-09 05:46:21,634 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:21,634 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 827 transitions. [2019-09-09 05:46:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-09 05:46:21,636 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:21,636 INFO L399 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] [2019-09-09 05:46:21,636 INFO L418 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:21,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:21,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1501742931, now seen corresponding path program 1 times [2019-09-09 05:46:21,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:21,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:21,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:21,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:21,638 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:21,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:21,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:21,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-09 05:46:21,718 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:21,718 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-09 05:46:21,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-09 05:46:21,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-09 05:46:21,719 INFO L87 Difference]: Start difference. First operand 685 states and 827 transitions. Second operand 9 states. [2019-09-09 05:46:21,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:21,882 INFO L93 Difference]: Finished difference Result 711 states and 852 transitions. [2019-09-09 05:46:21,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 05:46:21,882 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-09-09 05:46:21,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:21,885 INFO L225 Difference]: With dead ends: 711 [2019-09-09 05:46:21,886 INFO L226 Difference]: Without dead ends: 680 [2019-09-09 05:46:21,886 INFO L628 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 [2019-09-09 05:46:21,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2019-09-09 05:46:21,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2019-09-09 05:46:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2019-09-09 05:46:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 819 transitions. [2019-09-09 05:46:21,900 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 819 transitions. Word has length 59 [2019-09-09 05:46:21,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:21,901 INFO L475 AbstractCegarLoop]: Abstraction has 680 states and 819 transitions. [2019-09-09 05:46:21,901 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-09 05:46:21,901 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 819 transitions. [2019-09-09 05:46:21,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-09 05:46:21,902 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:21,903 INFO L399 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] [2019-09-09 05:46:21,903 INFO L418 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:21,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:21,903 INFO L82 PathProgramCache]: Analyzing trace with hash -377543613, now seen corresponding path program 1 times [2019-09-09 05:46:21,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:21,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:21,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:21,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:21,905 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:21,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:21,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:46:21,946 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:21,946 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:46:21,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:46:21,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:46:21,947 INFO L87 Difference]: Start difference. First operand 680 states and 819 transitions. Second operand 3 states. [2019-09-09 05:46:21,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:21,964 INFO L93 Difference]: Finished difference Result 722 states and 874 transitions. [2019-09-09 05:46:21,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:46:21,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-09 05:46:21,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:21,967 INFO L225 Difference]: With dead ends: 722 [2019-09-09 05:46:21,967 INFO L226 Difference]: Without dead ends: 722 [2019-09-09 05:46:21,968 INFO L628 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 [2019-09-09 05:46:21,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2019-09-09 05:46:21,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 680. [2019-09-09 05:46:21,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2019-09-09 05:46:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 819 transitions. [2019-09-09 05:46:21,984 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 819 transitions. Word has length 68 [2019-09-09 05:46:21,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:21,984 INFO L475 AbstractCegarLoop]: Abstraction has 680 states and 819 transitions. [2019-09-09 05:46:21,984 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:46:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 819 transitions. [2019-09-09 05:46:21,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-09 05:46:21,987 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:21,988 INFO L399 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] [2019-09-09 05:46:21,988 INFO L418 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:21,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:21,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1616491651, now seen corresponding path program 1 times [2019-09-09 05:46:21,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:21,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:21,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:21,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:21,989 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:22,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:22,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-09 05:46:22,096 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:22,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-09 05:46:22,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-09 05:46:22,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-09 05:46:22,097 INFO L87 Difference]: Start difference. First operand 680 states and 819 transitions. Second operand 6 states. [2019-09-09 05:46:22,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:22,144 INFO L93 Difference]: Finished difference Result 723 states and 871 transitions. [2019-09-09 05:46:22,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-09 05:46:22,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-09-09 05:46:22,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:22,149 INFO L225 Difference]: With dead ends: 723 [2019-09-09 05:46:22,150 INFO L226 Difference]: Without dead ends: 723 [2019-09-09 05:46:22,150 INFO L628 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 [2019-09-09 05:46:22,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2019-09-09 05:46:22,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 680. [2019-09-09 05:46:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2019-09-09 05:46:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 817 transitions. [2019-09-09 05:46:22,168 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 817 transitions. Word has length 68 [2019-09-09 05:46:22,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:22,168 INFO L475 AbstractCegarLoop]: Abstraction has 680 states and 817 transitions. [2019-09-09 05:46:22,168 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-09 05:46:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 817 transitions. [2019-09-09 05:46:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-09 05:46:22,171 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:22,171 INFO L399 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] [2019-09-09 05:46:22,172 INFO L418 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:22,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:22,172 INFO L82 PathProgramCache]: Analyzing trace with hash -795076974, now seen corresponding path program 1 times [2019-09-09 05:46:22,172 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:22,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:22,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:22,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:22,173 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:22,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:22,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:22,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:22,247 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:22,247 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:22,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:22,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:22,248 INFO L87 Difference]: Start difference. First operand 680 states and 817 transitions. Second operand 5 states. [2019-09-09 05:46:22,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:22,277 INFO L93 Difference]: Finished difference Result 663 states and 797 transitions. [2019-09-09 05:46:22,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 05:46:22,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2019-09-09 05:46:22,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:22,281 INFO L225 Difference]: With dead ends: 663 [2019-09-09 05:46:22,281 INFO L226 Difference]: Without dead ends: 663 [2019-09-09 05:46:22,281 INFO L628 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 [2019-09-09 05:46:22,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2019-09-09 05:46:22,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 653. [2019-09-09 05:46:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2019-09-09 05:46:22,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 787 transitions. [2019-09-09 05:46:22,296 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 787 transitions. Word has length 61 [2019-09-09 05:46:22,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:22,296 INFO L475 AbstractCegarLoop]: Abstraction has 653 states and 787 transitions. [2019-09-09 05:46:22,296 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 787 transitions. [2019-09-09 05:46:22,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-09 05:46:22,298 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:22,298 INFO L399 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] [2019-09-09 05:46:22,299 INFO L418 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:22,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:22,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1466686631, now seen corresponding path program 1 times [2019-09-09 05:46:22,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:22,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:22,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:22,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:22,300 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:22,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:22,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-09 05:46:22,373 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:22,374 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-09 05:46:22,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-09 05:46:22,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-09 05:46:22,375 INFO L87 Difference]: Start difference. First operand 653 states and 787 transitions. Second operand 9 states. [2019-09-09 05:46:22,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:22,547 INFO L93 Difference]: Finished difference Result 679 states and 812 transitions. [2019-09-09 05:46:22,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 05:46:22,548 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2019-09-09 05:46:22,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:22,551 INFO L225 Difference]: With dead ends: 679 [2019-09-09 05:46:22,551 INFO L226 Difference]: Without dead ends: 647 [2019-09-09 05:46:22,551 INFO L628 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 [2019-09-09 05:46:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2019-09-09 05:46:22,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2019-09-09 05:46:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2019-09-09 05:46:22,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 778 transitions. [2019-09-09 05:46:22,566 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 778 transitions. Word has length 60 [2019-09-09 05:46:22,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:22,566 INFO L475 AbstractCegarLoop]: Abstraction has 647 states and 778 transitions. [2019-09-09 05:46:22,566 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-09 05:46:22,566 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 778 transitions. [2019-09-09 05:46:22,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-09 05:46:22,568 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:22,568 INFO L399 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] [2019-09-09 05:46:22,568 INFO L418 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:22,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:22,568 INFO L82 PathProgramCache]: Analyzing trace with hash 491112789, now seen corresponding path program 1 times [2019-09-09 05:46:22,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:22,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:22,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:22,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:22,570 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:22,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:22,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-09 05:46:22,654 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:22,655 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-09 05:46:22,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-09 05:46:22,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-09 05:46:22,655 INFO L87 Difference]: Start difference. First operand 647 states and 778 transitions. Second operand 9 states. [2019-09-09 05:46:22,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:22,820 INFO L93 Difference]: Finished difference Result 673 states and 803 transitions. [2019-09-09 05:46:22,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 05:46:22,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2019-09-09 05:46:22,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:22,823 INFO L225 Difference]: With dead ends: 673 [2019-09-09 05:46:22,823 INFO L226 Difference]: Without dead ends: 642 [2019-09-09 05:46:22,824 INFO L628 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 [2019-09-09 05:46:22,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2019-09-09 05:46:22,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2019-09-09 05:46:22,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2019-09-09 05:46:22,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 770 transitions. [2019-09-09 05:46:22,837 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 770 transitions. Word has length 60 [2019-09-09 05:46:22,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:22,837 INFO L475 AbstractCegarLoop]: Abstraction has 642 states and 770 transitions. [2019-09-09 05:46:22,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-09 05:46:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 770 transitions. [2019-09-09 05:46:22,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-09 05:46:22,839 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:22,839 INFO L399 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] [2019-09-09 05:46:22,840 INFO L418 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:22,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:22,840 INFO L82 PathProgramCache]: Analyzing trace with hash -431365212, now seen corresponding path program 1 times [2019-09-09 05:46:22,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:22,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:22,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:22,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:22,841 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:22,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:22,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:22,936 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:22,937 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:22,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:22,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:22,937 INFO L87 Difference]: Start difference. First operand 642 states and 770 transitions. Second operand 5 states. [2019-09-09 05:46:23,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:23,328 INFO L93 Difference]: Finished difference Result 746 states and 897 transitions. [2019-09-09 05:46:23,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-09 05:46:23,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2019-09-09 05:46:23,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:23,332 INFO L225 Difference]: With dead ends: 746 [2019-09-09 05:46:23,333 INFO L226 Difference]: Without dead ends: 746 [2019-09-09 05:46:23,333 INFO L628 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 [2019-09-09 05:46:23,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2019-09-09 05:46:23,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 716. [2019-09-09 05:46:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2019-09-09 05:46:23,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 864 transitions. [2019-09-09 05:46:23,350 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 864 transitions. Word has length 67 [2019-09-09 05:46:23,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:23,350 INFO L475 AbstractCegarLoop]: Abstraction has 716 states and 864 transitions. [2019-09-09 05:46:23,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 864 transitions. [2019-09-09 05:46:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-09 05:46:23,352 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:23,352 INFO L399 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] [2019-09-09 05:46:23,353 INFO L418 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:23,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:23,353 INFO L82 PathProgramCache]: Analyzing trace with hash 93219484, now seen corresponding path program 1 times [2019-09-09 05:46:23,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:23,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:23,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:23,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:23,354 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:23,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:23,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:23,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-09 05:46:23,432 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:23,433 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-09 05:46:23,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-09 05:46:23,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-09 05:46:23,433 INFO L87 Difference]: Start difference. First operand 716 states and 864 transitions. Second operand 9 states. [2019-09-09 05:46:23,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:23,656 INFO L93 Difference]: Finished difference Result 742 states and 889 transitions. [2019-09-09 05:46:23,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 05:46:23,657 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2019-09-09 05:46:23,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:23,660 INFO L225 Difference]: With dead ends: 742 [2019-09-09 05:46:23,661 INFO L226 Difference]: Without dead ends: 670 [2019-09-09 05:46:23,664 INFO L628 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 [2019-09-09 05:46:23,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2019-09-09 05:46:23,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2019-09-09 05:46:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2019-09-09 05:46:23,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 807 transitions. [2019-09-09 05:46:23,687 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 807 transitions. Word has length 64 [2019-09-09 05:46:23,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:23,687 INFO L475 AbstractCegarLoop]: Abstraction has 670 states and 807 transitions. [2019-09-09 05:46:23,688 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-09 05:46:23,688 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 807 transitions. [2019-09-09 05:46:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-09 05:46:23,696 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:23,697 INFO L399 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] [2019-09-09 05:46:23,697 INFO L418 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:23,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:23,698 INFO L82 PathProgramCache]: Analyzing trace with hash -305628131, now seen corresponding path program 1 times [2019-09-09 05:46:23,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:23,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:23,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:23,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:23,700 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:23,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:23,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-09 05:46:23,858 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:23,859 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-09 05:46:23,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-09 05:46:23,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-09 05:46:23,859 INFO L87 Difference]: Start difference. First operand 670 states and 807 transitions. Second operand 6 states. [2019-09-09 05:46:24,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:24,508 INFO L93 Difference]: Finished difference Result 705 states and 841 transitions. [2019-09-09 05:46:24,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-09 05:46:24,508 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-09-09 05:46:24,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:24,511 INFO L225 Difference]: With dead ends: 705 [2019-09-09 05:46:24,511 INFO L226 Difference]: Without dead ends: 705 [2019-09-09 05:46:24,512 INFO L628 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 [2019-09-09 05:46:24,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2019-09-09 05:46:24,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 654. [2019-09-09 05:46:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2019-09-09 05:46:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 779 transitions. [2019-09-09 05:46:24,527 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 779 transitions. Word has length 79 [2019-09-09 05:46:24,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:24,528 INFO L475 AbstractCegarLoop]: Abstraction has 654 states and 779 transitions. [2019-09-09 05:46:24,528 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-09 05:46:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 779 transitions. [2019-09-09 05:46:24,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-09 05:46:24,530 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:24,530 INFO L399 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] [2019-09-09 05:46:24,530 INFO L418 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:24,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:24,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1563127055, now seen corresponding path program 1 times [2019-09-09 05:46:24,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:24,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:24,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:24,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:24,533 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:24,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:24,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:24,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-09 05:46:24,624 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:24,624 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-09 05:46:24,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-09 05:46:24,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-09 05:46:24,625 INFO L87 Difference]: Start difference. First operand 654 states and 779 transitions. Second operand 6 states. [2019-09-09 05:46:24,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:24,669 INFO L93 Difference]: Finished difference Result 733 states and 901 transitions. [2019-09-09 05:46:24,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-09 05:46:24,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2019-09-09 05:46:24,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:24,678 INFO L225 Difference]: With dead ends: 733 [2019-09-09 05:46:24,679 INFO L226 Difference]: Without dead ends: 733 [2019-09-09 05:46:24,682 INFO L628 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 [2019-09-09 05:46:24,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2019-09-09 05:46:24,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 620. [2019-09-09 05:46:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2019-09-09 05:46:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 735 transitions. [2019-09-09 05:46:24,699 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 735 transitions. Word has length 80 [2019-09-09 05:46:24,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:24,700 INFO L475 AbstractCegarLoop]: Abstraction has 620 states and 735 transitions. [2019-09-09 05:46:24,700 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-09 05:46:24,700 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 735 transitions. [2019-09-09 05:46:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-09 05:46:24,701 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:24,702 INFO L399 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] [2019-09-09 05:46:24,702 INFO L418 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:24,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:24,702 INFO L82 PathProgramCache]: Analyzing trace with hash -363281937, now seen corresponding path program 1 times [2019-09-09 05:46:24,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:24,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:24,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:24,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:24,704 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:24,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:24,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:46:24,756 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:24,756 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:46:24,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:46:24,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:46:24,757 INFO L87 Difference]: Start difference. First operand 620 states and 735 transitions. Second operand 5 states. [2019-09-09 05:46:25,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:25,204 INFO L93 Difference]: Finished difference Result 760 states and 884 transitions. [2019-09-09 05:46:25,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-09 05:46:25,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-09-09 05:46:25,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:25,209 INFO L225 Difference]: With dead ends: 760 [2019-09-09 05:46:25,209 INFO L226 Difference]: Without dead ends: 760 [2019-09-09 05:46:25,210 INFO L628 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 [2019-09-09 05:46:25,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2019-09-09 05:46:25,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 737. [2019-09-09 05:46:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2019-09-09 05:46:25,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 862 transitions. [2019-09-09 05:46:25,223 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 862 transitions. Word has length 76 [2019-09-09 05:46:25,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:25,223 INFO L475 AbstractCegarLoop]: Abstraction has 737 states and 862 transitions. [2019-09-09 05:46:25,223 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:46:25,223 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 862 transitions. [2019-09-09 05:46:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-09 05:46:25,225 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:25,225 INFO L399 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] [2019-09-09 05:46:25,226 INFO L418 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:25,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:25,226 INFO L82 PathProgramCache]: Analyzing trace with hash -2031145617, now seen corresponding path program 1 times [2019-09-09 05:46:25,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:25,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:25,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:25,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:25,227 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:25,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:25,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-09 05:46:25,309 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:25,310 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-09 05:46:25,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-09 05:46:25,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-09 05:46:25,310 INFO L87 Difference]: Start difference. First operand 737 states and 862 transitions. Second operand 9 states. [2019-09-09 05:46:25,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:25,451 INFO L93 Difference]: Finished difference Result 736 states and 860 transitions. [2019-09-09 05:46:25,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 05:46:25,451 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2019-09-09 05:46:25,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:25,453 INFO L225 Difference]: With dead ends: 736 [2019-09-09 05:46:25,453 INFO L226 Difference]: Without dead ends: 623 [2019-09-09 05:46:25,454 INFO L628 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 [2019-09-09 05:46:25,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2019-09-09 05:46:25,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2019-09-09 05:46:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-09-09 05:46:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 730 transitions. [2019-09-09 05:46:25,467 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 730 transitions. Word has length 77 [2019-09-09 05:46:25,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:25,467 INFO L475 AbstractCegarLoop]: Abstraction has 623 states and 730 transitions. [2019-09-09 05:46:25,467 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-09 05:46:25,467 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 730 transitions. [2019-09-09 05:46:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-09-09 05:46:25,469 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:25,469 INFO L399 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] [2019-09-09 05:46:25,469 INFO L418 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:25,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:25,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1578123954, now seen corresponding path program 1 times [2019-09-09 05:46:25,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:25,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:25,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:25,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:25,471 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:25,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:25,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-09 05:46:25,561 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:25,562 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-09 05:46:25,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-09 05:46:25,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-09 05:46:25,562 INFO L87 Difference]: Start difference. First operand 623 states and 730 transitions. Second operand 9 states. [2019-09-09 05:46:25,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:25,706 INFO L93 Difference]: Finished difference Result 659 states and 768 transitions. [2019-09-09 05:46:25,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-09 05:46:25,707 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-09-09 05:46:25,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:25,710 INFO L225 Difference]: With dead ends: 659 [2019-09-09 05:46:25,710 INFO L226 Difference]: Without dead ends: 641 [2019-09-09 05:46:25,711 INFO L628 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 [2019-09-09 05:46:25,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2019-09-09 05:46:25,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 623. [2019-09-09 05:46:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-09-09 05:46:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 729 transitions. [2019-09-09 05:46:25,721 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 729 transitions. Word has length 85 [2019-09-09 05:46:25,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:25,721 INFO L475 AbstractCegarLoop]: Abstraction has 623 states and 729 transitions. [2019-09-09 05:46:25,721 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-09 05:46:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 729 transitions. [2019-09-09 05:46:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-09 05:46:25,723 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:25,723 INFO L399 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] [2019-09-09 05:46:25,723 INFO L418 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:25,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:25,724 INFO L82 PathProgramCache]: Analyzing trace with hash -890197523, now seen corresponding path program 1 times [2019-09-09 05:46:25,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:25,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:25,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:25,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:25,725 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:46:25,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:46:25,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:46:25,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-09 05:46:25,813 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:46:25,813 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-09 05:46:25,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-09 05:46:25,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-09-09 05:46:25,814 INFO L87 Difference]: Start difference. First operand 623 states and 729 transitions. Second operand 9 states. [2019-09-09 05:46:26,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:46:26,768 INFO L93 Difference]: Finished difference Result 615 states and 721 transitions. [2019-09-09 05:46:26,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-09 05:46:26,768 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2019-09-09 05:46:26,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:46:26,771 INFO L225 Difference]: With dead ends: 615 [2019-09-09 05:46:26,771 INFO L226 Difference]: Without dead ends: 615 [2019-09-09 05:46:26,772 INFO L628 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 [2019-09-09 05:46:26,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-09-09 05:46:26,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 599. [2019-09-09 05:46:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-09-09 05:46:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 702 transitions. [2019-09-09 05:46:26,783 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 702 transitions. Word has length 81 [2019-09-09 05:46:26,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:46:26,783 INFO L475 AbstractCegarLoop]: Abstraction has 599 states and 702 transitions. [2019-09-09 05:46:26,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-09 05:46:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 702 transitions. [2019-09-09 05:46:26,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-09 05:46:26,785 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:46:26,785 INFO L399 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] [2019-09-09 05:46:26,786 INFO L418 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:46:26,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:46:26,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1664445418, now seen corresponding path program 1 times [2019-09-09 05:46:26,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:46:26,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:26,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:46:26,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:46:26,794 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:46:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-09 05:46:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-09 05:46:26,918 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-09 05:46:27,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:46:27 BoogieIcfgContainer [2019-09-09 05:46:27,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:46:27,114 INFO L168 Benchmark]: Toolchain (without parser) took 16572.41 ms. Allocated memory was 132.1 MB in the beginning and 500.7 MB in the end (delta: 368.6 MB). Free memory was 87.3 MB in the beginning and 224.8 MB in the end (delta: -137.6 MB). Peak memory consumption was 231.0 MB. Max. memory is 7.1 GB. [2019-09-09 05:46:27,115 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-09 05:46:27,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.25 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 87.1 MB in the beginning and 167.8 MB in the end (delta: -80.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-09-09 05:46:27,120 INFO L168 Benchmark]: Boogie Preprocessor took 79.96 ms. Allocated memory is still 200.3 MB. Free memory was 167.8 MB in the beginning and 163.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-09 05:46:27,121 INFO L168 Benchmark]: RCFGBuilder took 1333.83 ms. Allocated memory is still 200.3 MB. Free memory was 163.8 MB in the beginning and 78.7 MB in the end (delta: 85.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2019-09-09 05:46:27,124 INFO L168 Benchmark]: TraceAbstraction took 14539.02 ms. Allocated memory was 200.3 MB in the beginning and 500.7 MB in the end (delta: 300.4 MB). Free memory was 78.7 MB in the beginning and 224.8 MB in the end (delta: -146.1 MB). Peak memory consumption was 154.3 MB. Max. memory is 7.1 GB. [2019-09-09 05:46:27,133 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.25 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 87.1 MB in the beginning and 167.8 MB in the end (delta: -80.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.96 ms. Allocated memory is still 200.3 MB. Free memory was 167.8 MB in the beginning and 163.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1333.83 ms. Allocated memory is still 200.3 MB. Free memory was 163.8 MB in the beginning and 78.7 MB in the end (delta: 85.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14539.02 ms. Allocated memory was 200.3 MB in the beginning and 500.7 MB in the end (delta: 300.4 MB). Free memory was 78.7 MB in the beginning and 224.8 MB in the end (delta: -146.1 MB). Peak memory consumption was 154.3 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, 14.4s OverallTime, 41 OverallIterations, 1 TraceHistogramMax, 9.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15024 SDtfs, 10144 SDslu, 34105 SDs, 0 SdLazy, 6164 SolverSat, 1714 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 109 SyntacticMatches, 8 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=964occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 40 MinimizatonAttempts, 1573 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2277 NumberOfCodeBlocks, 2277 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 2155 ConstructedInterpolants, 0 QuantifiedInterpolants, 242478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 40 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...