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_simpl4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:37:44,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:37:44,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:37:44,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:37:44,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:37:44,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:37:44,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:37:44,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:37:44,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:37:44,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:37:44,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:37:44,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:37:44,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:37:44,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:37:44,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:37:44,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:37:44,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:37:44,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:37:44,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:37:44,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:37:44,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:37:44,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:37:44,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:37:44,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:37:44,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:37:44,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:37:44,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:37:44,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:37:44,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:37:44,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:37:44,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:37:44,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:37:44,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:37:44,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:37:44,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:37:44,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:37:44,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:37:44,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:37:44,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:37:44,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:37:44,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:37:44,209 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 [2019-10-03 02:37:44,223 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:37:44,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:37:44,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:37:44,224 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:37:44,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:37:44,225 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:37:44,225 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:37:44,225 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:37:44,226 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:37:44,226 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:37:44,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:37:44,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:37:44,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:37:44,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:37:44,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:37:44,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:37:44,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:37:44,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:37:44,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:37:44,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:37:44,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:37:44,230 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:37:44,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:37:44,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:37:44,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:37:44,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:37:44,231 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:37:44,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:37:44,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:37:44,232 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:37:44,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:37:44,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:37:44,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:37:44,292 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:37:44,293 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:37:44,293 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-10-03 02:37:44,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76fea584c/fba2c88dd55f418ab6f87804b6c66587/FLAG82a4d6a34 [2019-10-03 02:37:44,836 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:37:44,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-10-03 02:37:44,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76fea584c/fba2c88dd55f418ab6f87804b6c66587/FLAG82a4d6a34 [2019-10-03 02:37:45,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76fea584c/fba2c88dd55f418ab6f87804b6c66587 [2019-10-03 02:37:45,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:37:45,183 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:37:45,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:37:45,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:37:45,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:37:45,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:37:45" (1/1) ... [2019-10-03 02:37:45,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f974cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45, skipping insertion in model container [2019-10-03 02:37:45,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:37:45" (1/1) ... [2019-10-03 02:37:45,199 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:37:45,267 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:37:45,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:37:45,780 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:37:45,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:37:45,912 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:37:45,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45 WrapperNode [2019-10-03 02:37:45,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:37:45,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:37:45,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:37:45,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:37:45,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45" (1/1) ... [2019-10-03 02:37:45,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45" (1/1) ... [2019-10-03 02:37:45,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45" (1/1) ... [2019-10-03 02:37:45,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45" (1/1) ... [2019-10-03 02:37:45,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45" (1/1) ... [2019-10-03 02:37:46,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45" (1/1) ... [2019-10-03 02:37:46,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45" (1/1) ... [2019-10-03 02:37:46,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:37:46,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:37:46,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:37:46,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:37:46,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45" (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 [2019-10-03 02:37:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:37:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:37:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-03 02:37:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-10-03 02:37:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-10-03 02:37:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-10-03 02:37:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-10-03 02:37:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-10-03 02:37:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-10-03 02:37:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-10-03 02:37:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-03 02:37:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:37:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-03 02:37:46,136 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-03 02:37:46,136 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-03 02:37:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-03 02:37:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-03 02:37:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-03 02:37:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-03 02:37:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-03 02:37:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-03 02:37:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-03 02:37:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-03 02:37:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-03 02:37:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-03 02:37:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-10-03 02:37:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2019-10-03 02:37:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2019-10-03 02:37:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2019-10-03 02:37:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-03 02:37:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:37:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-03 02:37:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:37:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 02:37:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 02:37:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-10-03 02:37:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-10-03 02:37:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-10-03 02:37:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-10-03 02:37:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-10-03 02:37:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-10-03 02:37:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-03 02:37:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-03 02:37:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-03 02:37:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-03 02:37:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-03 02:37:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-03 02:37:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-03 02:37:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-03 02:37:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-03 02:37:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-03 02:37:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-03 02:37:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-10-03 02:37:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2019-10-03 02:37:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2019-10-03 02:37:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2019-10-03 02:37:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-03 02:37:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-03 02:37:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-03 02:37:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-10-03 02:37:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-03 02:37:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:37:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-03 02:37:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:37:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:37:46,539 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:46,609 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:37:46,609 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:37:46,617 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:46,628 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:37:46,629 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:37:46,637 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:46,879 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-03 02:37:46,880 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-03 02:37:46,885 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:47,002 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-10-03 02:37:47,003 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-10-03 02:37:47,023 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:47,050 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-03 02:37:47,050 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-03 02:37:47,145 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:47,156 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:37:47,157 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:37:47,157 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:47,168 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:37:47,168 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:37:47,169 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:47,184 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:37:47,184 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:37:47,248 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:47,283 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-03 02:37:47,283 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-03 02:37:47,286 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:47,391 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-10-03 02:37:47,391 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-10-03 02:37:47,452 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:47,458 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:37:47,458 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:37:47,458 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:47,474 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:37:47,475 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:37:47,475 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:37:47,489 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:37:47,490 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:37:47,501 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:37:47,501 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 02:37:47,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:37:47 BoogieIcfgContainer [2019-10-03 02:37:47,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:37:47,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:37:47,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:37:47,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:37:47,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:37:45" (1/3) ... [2019-10-03 02:37:47,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6a8a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:37:47, skipping insertion in model container [2019-10-03 02:37:47,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:37:45" (2/3) ... [2019-10-03 02:37:47,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6a8a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:37:47, skipping insertion in model container [2019-10-03 02:37:47,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:37:47" (3/3) ... [2019-10-03 02:37:47,511 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-1.c [2019-10-03 02:37:47,522 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:37:47,533 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:37:47,550 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:37:47,583 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:37:47,584 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:37:47,584 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:37:47,585 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:37:47,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:37:47,586 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:37:47,586 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:37:47,586 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:37:47,632 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states. [2019-10-03 02:37:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-03 02:37:47,643 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:47,644 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:37:47,648 INFO L418 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:47,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:47,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1980583479, now seen corresponding path program 1 times [2019-10-03 02:37:47,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:47,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:47,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:47,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:47,733 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:48,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:48,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:37:48,020 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:48,025 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:37:48,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:37:48,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:37:48,043 INFO L87 Difference]: Start difference. First operand 390 states. Second operand 3 states. [2019-10-03 02:37:48,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:48,164 INFO L93 Difference]: Finished difference Result 389 states and 540 transitions. [2019-10-03 02:37:48,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:37:48,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-03 02:37:48,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:48,184 INFO L225 Difference]: With dead ends: 389 [2019-10-03 02:37:48,185 INFO L226 Difference]: Without dead ends: 382 [2019-10-03 02:37:48,186 INFO L640 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 [2019-10-03 02:37:48,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-10-03 02:37:48,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2019-10-03 02:37:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2019-10-03 02:37:48,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 526 transitions. [2019-10-03 02:37:48,253 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 526 transitions. Word has length 20 [2019-10-03 02:37:48,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:48,254 INFO L475 AbstractCegarLoop]: Abstraction has 382 states and 526 transitions. [2019-10-03 02:37:48,254 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:37:48,254 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 526 transitions. [2019-10-03 02:37:48,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-03 02:37:48,256 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:48,256 INFO L411 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] [2019-10-03 02:37:48,256 INFO L418 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:48,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:48,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1877533292, now seen corresponding path program 1 times [2019-10-03 02:37:48,257 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:48,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:48,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:48,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:48,260 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:48,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:48,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:48,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:37:48,441 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:48,442 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:37:48,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:37:48,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:37:48,443 INFO L87 Difference]: Start difference. First operand 382 states and 526 transitions. Second operand 3 states. [2019-10-03 02:37:48,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:48,641 INFO L93 Difference]: Finished difference Result 541 states and 734 transitions. [2019-10-03 02:37:48,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:37:48,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-03 02:37:48,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:48,648 INFO L225 Difference]: With dead ends: 541 [2019-10-03 02:37:48,648 INFO L226 Difference]: Without dead ends: 540 [2019-10-03 02:37:48,649 INFO L640 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 [2019-10-03 02:37:48,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2019-10-03 02:37:48,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 521. [2019-10-03 02:37:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2019-10-03 02:37:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 709 transitions. [2019-10-03 02:37:48,729 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 709 transitions. Word has length 25 [2019-10-03 02:37:48,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:48,730 INFO L475 AbstractCegarLoop]: Abstraction has 521 states and 709 transitions. [2019-10-03 02:37:48,731 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:37:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 709 transitions. [2019-10-03 02:37:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-03 02:37:48,733 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:48,734 INFO L411 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] [2019-10-03 02:37:48,734 INFO L418 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:48,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:48,735 INFO L82 PathProgramCache]: Analyzing trace with hash -2127650726, now seen corresponding path program 1 times [2019-10-03 02:37:48,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:48,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:48,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:48,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:48,740 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:48,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:48,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:37:48,933 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:48,934 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:37:48,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:37:48,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:37:48,935 INFO L87 Difference]: Start difference. First operand 521 states and 709 transitions. Second operand 3 states. [2019-10-03 02:37:48,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:48,984 INFO L93 Difference]: Finished difference Result 625 states and 835 transitions. [2019-10-03 02:37:48,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:37:48,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-10-03 02:37:48,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:48,992 INFO L225 Difference]: With dead ends: 625 [2019-10-03 02:37:48,992 INFO L226 Difference]: Without dead ends: 625 [2019-10-03 02:37:48,993 INFO L640 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 [2019-10-03 02:37:48,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2019-10-03 02:37:49,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 585. [2019-10-03 02:37:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2019-10-03 02:37:49,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 792 transitions. [2019-10-03 02:37:49,037 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 792 transitions. Word has length 31 [2019-10-03 02:37:49,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:49,037 INFO L475 AbstractCegarLoop]: Abstraction has 585 states and 792 transitions. [2019-10-03 02:37:49,037 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:37:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 792 transitions. [2019-10-03 02:37:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-03 02:37:49,039 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:49,040 INFO L411 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] [2019-10-03 02:37:49,040 INFO L418 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:49,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:49,040 INFO L82 PathProgramCache]: Analyzing trace with hash -984761052, now seen corresponding path program 1 times [2019-10-03 02:37:49,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:49,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:49,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,044 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:49,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:49,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:37:49,108 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:49,108 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:37:49,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:37:49,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:37:49,109 INFO L87 Difference]: Start difference. First operand 585 states and 792 transitions. Second operand 3 states. [2019-10-03 02:37:49,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:49,139 INFO L93 Difference]: Finished difference Result 796 states and 1075 transitions. [2019-10-03 02:37:49,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:37:49,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-03 02:37:49,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:49,145 INFO L225 Difference]: With dead ends: 796 [2019-10-03 02:37:49,145 INFO L226 Difference]: Without dead ends: 796 [2019-10-03 02:37:49,146 INFO L640 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 [2019-10-03 02:37:49,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2019-10-03 02:37:49,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 767. [2019-10-03 02:37:49,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2019-10-03 02:37:49,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1042 transitions. [2019-10-03 02:37:49,185 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1042 transitions. Word has length 33 [2019-10-03 02:37:49,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:49,186 INFO L475 AbstractCegarLoop]: Abstraction has 767 states and 1042 transitions. [2019-10-03 02:37:49,186 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:37:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1042 transitions. [2019-10-03 02:37:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-03 02:37:49,191 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:49,191 INFO L411 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] [2019-10-03 02:37:49,194 INFO L418 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:49,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:49,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1251517402, now seen corresponding path program 1 times [2019-10-03 02:37:49,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:49,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:49,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,200 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:49,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:49,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:37:49,264 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:49,264 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:37:49,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:37:49,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:37:49,265 INFO L87 Difference]: Start difference. First operand 767 states and 1042 transitions. Second operand 3 states. [2019-10-03 02:37:49,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:49,342 INFO L93 Difference]: Finished difference Result 806 states and 1089 transitions. [2019-10-03 02:37:49,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:37:49,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-03 02:37:49,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:49,347 INFO L225 Difference]: With dead ends: 806 [2019-10-03 02:37:49,347 INFO L226 Difference]: Without dead ends: 806 [2019-10-03 02:37:49,347 INFO L640 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 [2019-10-03 02:37:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2019-10-03 02:37:49,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 802. [2019-10-03 02:37:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2019-10-03 02:37:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1086 transitions. [2019-10-03 02:37:49,375 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1086 transitions. Word has length 38 [2019-10-03 02:37:49,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:49,375 INFO L475 AbstractCegarLoop]: Abstraction has 802 states and 1086 transitions. [2019-10-03 02:37:49,375 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:37:49,375 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1086 transitions. [2019-10-03 02:37:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-03 02:37:49,377 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:49,378 INFO L411 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] [2019-10-03 02:37:49,378 INFO L418 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:49,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:49,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1679216250, now seen corresponding path program 1 times [2019-10-03 02:37:49,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:49,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:49,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,381 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:49,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:49,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:37:49,444 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:49,444 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:37:49,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:37:49,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:37:49,445 INFO L87 Difference]: Start difference. First operand 802 states and 1086 transitions. Second operand 3 states. [2019-10-03 02:37:49,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:49,539 INFO L93 Difference]: Finished difference Result 814 states and 1102 transitions. [2019-10-03 02:37:49,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:37:49,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-03 02:37:49,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:49,545 INFO L225 Difference]: With dead ends: 814 [2019-10-03 02:37:49,546 INFO L226 Difference]: Without dead ends: 814 [2019-10-03 02:37:49,546 INFO L640 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 [2019-10-03 02:37:49,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2019-10-03 02:37:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 813. [2019-10-03 02:37:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2019-10-03 02:37:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1100 transitions. [2019-10-03 02:37:49,572 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1100 transitions. Word has length 38 [2019-10-03 02:37:49,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:49,573 INFO L475 AbstractCegarLoop]: Abstraction has 813 states and 1100 transitions. [2019-10-03 02:37:49,573 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:37:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1100 transitions. [2019-10-03 02:37:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-03 02:37:49,576 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:49,576 INFO L411 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] [2019-10-03 02:37:49,576 INFO L418 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:49,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:49,577 INFO L82 PathProgramCache]: Analyzing trace with hash 310268416, now seen corresponding path program 1 times [2019-10-03 02:37:49,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:49,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:49,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,580 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:49,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:49,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:37:49,638 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:49,639 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:37:49,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:37:49,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:37:49,639 INFO L87 Difference]: Start difference. First operand 813 states and 1100 transitions. Second operand 5 states. [2019-10-03 02:37:49,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:49,690 INFO L93 Difference]: Finished difference Result 823 states and 1111 transitions. [2019-10-03 02:37:49,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:37:49,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-10-03 02:37:49,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:49,695 INFO L225 Difference]: With dead ends: 823 [2019-10-03 02:37:49,695 INFO L226 Difference]: Without dead ends: 811 [2019-10-03 02:37:49,696 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:37:49,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2019-10-03 02:37:49,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2019-10-03 02:37:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-10-03 02:37:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1096 transitions. [2019-10-03 02:37:49,721 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1096 transitions. Word has length 39 [2019-10-03 02:37:49,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:49,722 INFO L475 AbstractCegarLoop]: Abstraction has 811 states and 1096 transitions. [2019-10-03 02:37:49,722 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:37:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1096 transitions. [2019-10-03 02:37:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-03 02:37:49,723 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:49,723 INFO L411 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] [2019-10-03 02:37:49,724 INFO L418 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:49,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:49,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1380961955, now seen corresponding path program 1 times [2019-10-03 02:37:49,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:49,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:49,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,728 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:49,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:49,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:37:49,794 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:49,794 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:37:49,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:37:49,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:37:49,795 INFO L87 Difference]: Start difference. First operand 811 states and 1096 transitions. Second operand 5 states. [2019-10-03 02:37:49,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:49,873 INFO L93 Difference]: Finished difference Result 821 states and 1107 transitions. [2019-10-03 02:37:49,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:37:49,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-10-03 02:37:49,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:49,881 INFO L225 Difference]: With dead ends: 821 [2019-10-03 02:37:49,881 INFO L226 Difference]: Without dead ends: 804 [2019-10-03 02:37:49,881 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:37:49,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2019-10-03 02:37:49,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2019-10-03 02:37:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2019-10-03 02:37:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1087 transitions. [2019-10-03 02:37:49,911 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1087 transitions. Word has length 40 [2019-10-03 02:37:49,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:49,913 INFO L475 AbstractCegarLoop]: Abstraction has 804 states and 1087 transitions. [2019-10-03 02:37:49,913 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:37:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1087 transitions. [2019-10-03 02:37:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-03 02:37:49,915 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:49,916 INFO L411 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] [2019-10-03 02:37:49,916 INFO L418 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:49,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:49,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1241145468, now seen corresponding path program 1 times [2019-10-03 02:37:49,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:49,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:49,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:49,919 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:49,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:49,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:37:49,995 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:49,995 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:37:49,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:37:49,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:37:49,996 INFO L87 Difference]: Start difference. First operand 804 states and 1087 transitions. Second operand 3 states. [2019-10-03 02:37:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:50,102 INFO L93 Difference]: Finished difference Result 1181 states and 1608 transitions. [2019-10-03 02:37:50,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:37:50,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-03 02:37:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:50,110 INFO L225 Difference]: With dead ends: 1181 [2019-10-03 02:37:50,110 INFO L226 Difference]: Without dead ends: 1181 [2019-10-03 02:37:50,111 INFO L640 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 [2019-10-03 02:37:50,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2019-10-03 02:37:50,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 927. [2019-10-03 02:37:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-10-03 02:37:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1256 transitions. [2019-10-03 02:37:50,146 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1256 transitions. Word has length 44 [2019-10-03 02:37:50,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:50,147 INFO L475 AbstractCegarLoop]: Abstraction has 927 states and 1256 transitions. [2019-10-03 02:37:50,147 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:37:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1256 transitions. [2019-10-03 02:37:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-03 02:37:50,149 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:50,149 INFO L411 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] [2019-10-03 02:37:50,149 INFO L418 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:50,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:50,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1407580827, now seen corresponding path program 1 times [2019-10-03 02:37:50,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:50,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:50,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:50,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:50,153 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:50,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:50,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:37:50,242 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:50,243 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:37:50,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:37:50,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:37:50,244 INFO L87 Difference]: Start difference. First operand 927 states and 1256 transitions. Second operand 8 states. [2019-10-03 02:37:50,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:50,943 INFO L93 Difference]: Finished difference Result 945 states and 1272 transitions. [2019-10-03 02:37:50,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:37:50,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2019-10-03 02:37:50,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:50,948 INFO L225 Difference]: With dead ends: 945 [2019-10-03 02:37:50,948 INFO L226 Difference]: Without dead ends: 945 [2019-10-03 02:37:50,949 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-03 02:37:50,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2019-10-03 02:37:50,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 927. [2019-10-03 02:37:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-10-03 02:37:50,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1254 transitions. [2019-10-03 02:37:50,972 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1254 transitions. Word has length 43 [2019-10-03 02:37:50,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:50,973 INFO L475 AbstractCegarLoop]: Abstraction has 927 states and 1254 transitions. [2019-10-03 02:37:50,973 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:37:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1254 transitions. [2019-10-03 02:37:50,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-03 02:37:50,974 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:50,975 INFO L411 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] [2019-10-03 02:37:50,975 INFO L418 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:50,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:50,975 INFO L82 PathProgramCache]: Analyzing trace with hash -319659871, now seen corresponding path program 1 times [2019-10-03 02:37:50,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:50,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:50,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:50,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:50,978 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:51,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:51,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:37:51,018 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:51,019 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:37:51,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:37:51,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:37:51,019 INFO L87 Difference]: Start difference. First operand 927 states and 1254 transitions. Second operand 4 states. [2019-10-03 02:37:51,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:51,084 INFO L93 Difference]: Finished difference Result 933 states and 1261 transitions. [2019-10-03 02:37:51,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:37:51,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2019-10-03 02:37:51,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:51,091 INFO L225 Difference]: With dead ends: 933 [2019-10-03 02:37:51,091 INFO L226 Difference]: Without dead ends: 933 [2019-10-03 02:37:51,092 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:37:51,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2019-10-03 02:37:51,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 929. [2019-10-03 02:37:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2019-10-03 02:37:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1256 transitions. [2019-10-03 02:37:51,124 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1256 transitions. Word has length 42 [2019-10-03 02:37:51,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:51,124 INFO L475 AbstractCegarLoop]: Abstraction has 929 states and 1256 transitions. [2019-10-03 02:37:51,124 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:37:51,124 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1256 transitions. [2019-10-03 02:37:51,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-03 02:37:51,126 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:51,126 INFO L411 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] [2019-10-03 02:37:51,126 INFO L418 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:51,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:51,127 INFO L82 PathProgramCache]: Analyzing trace with hash -58863371, now seen corresponding path program 1 times [2019-10-03 02:37:51,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:51,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:51,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:51,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:51,129 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:51,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:51,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:37:51,264 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:51,265 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:37:51,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:37:51,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:37:51,266 INFO L87 Difference]: Start difference. First operand 929 states and 1256 transitions. Second operand 8 states. [2019-10-03 02:37:52,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:52,225 INFO L93 Difference]: Finished difference Result 1115 states and 1500 transitions. [2019-10-03 02:37:52,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:37:52,226 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2019-10-03 02:37:52,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:52,235 INFO L225 Difference]: With dead ends: 1115 [2019-10-03 02:37:52,235 INFO L226 Difference]: Without dead ends: 1115 [2019-10-03 02:37:52,235 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-10-03 02:37:52,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2019-10-03 02:37:52,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 920. [2019-10-03 02:37:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2019-10-03 02:37:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1235 transitions. [2019-10-03 02:37:52,278 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1235 transitions. Word has length 45 [2019-10-03 02:37:52,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:52,279 INFO L475 AbstractCegarLoop]: Abstraction has 920 states and 1235 transitions. [2019-10-03 02:37:52,279 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:37:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1235 transitions. [2019-10-03 02:37:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-03 02:37:52,281 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:52,281 INFO L411 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] [2019-10-03 02:37:52,281 INFO L418 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:52,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:52,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1574584051, now seen corresponding path program 1 times [2019-10-03 02:37:52,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:52,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:52,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:52,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:52,284 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:52,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:52,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:37:52,395 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:52,396 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:37:52,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:37:52,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:37:52,397 INFO L87 Difference]: Start difference. First operand 920 states and 1235 transitions. Second operand 8 states. [2019-10-03 02:37:53,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:53,096 INFO L93 Difference]: Finished difference Result 938 states and 1250 transitions. [2019-10-03 02:37:53,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:37:53,096 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2019-10-03 02:37:53,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:53,101 INFO L225 Difference]: With dead ends: 938 [2019-10-03 02:37:53,101 INFO L226 Difference]: Without dead ends: 938 [2019-10-03 02:37:53,102 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-03 02:37:53,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2019-10-03 02:37:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 920. [2019-10-03 02:37:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2019-10-03 02:37:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1233 transitions. [2019-10-03 02:37:53,125 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1233 transitions. Word has length 44 [2019-10-03 02:37:53,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:53,128 INFO L475 AbstractCegarLoop]: Abstraction has 920 states and 1233 transitions. [2019-10-03 02:37:53,128 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:37:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1233 transitions. [2019-10-03 02:37:53,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-03 02:37:53,130 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:53,130 INFO L411 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] [2019-10-03 02:37:53,130 INFO L418 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:53,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:53,131 INFO L82 PathProgramCache]: Analyzing trace with hash -209494515, now seen corresponding path program 1 times [2019-10-03 02:37:53,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:53,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:53,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,135 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:53,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:53,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:37:53,187 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:53,188 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:37:53,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:37:53,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:37:53,188 INFO L87 Difference]: Start difference. First operand 920 states and 1233 transitions. Second operand 4 states. [2019-10-03 02:37:53,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:53,237 INFO L93 Difference]: Finished difference Result 926 states and 1240 transitions. [2019-10-03 02:37:53,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:37:53,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-10-03 02:37:53,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:53,243 INFO L225 Difference]: With dead ends: 926 [2019-10-03 02:37:53,243 INFO L226 Difference]: Without dead ends: 926 [2019-10-03 02:37:53,245 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:37:53,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2019-10-03 02:37:53,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 920. [2019-10-03 02:37:53,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2019-10-03 02:37:53,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1233 transitions. [2019-10-03 02:37:53,269 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1233 transitions. Word has length 43 [2019-10-03 02:37:53,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:53,270 INFO L475 AbstractCegarLoop]: Abstraction has 920 states and 1233 transitions. [2019-10-03 02:37:53,270 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:37:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1233 transitions. [2019-10-03 02:37:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-03 02:37:53,274 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:53,274 INFO L411 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] [2019-10-03 02:37:53,275 INFO L418 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:53,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:53,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1512549362, now seen corresponding path program 1 times [2019-10-03 02:37:53,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:53,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:53,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,280 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:53,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:53,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:53,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:37:53,346 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:53,346 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:37:53,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:37:53,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:37:53,347 INFO L87 Difference]: Start difference. First operand 920 states and 1233 transitions. Second operand 5 states. [2019-10-03 02:37:53,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:53,376 INFO L93 Difference]: Finished difference Result 933 states and 1245 transitions. [2019-10-03 02:37:53,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:37:53,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2019-10-03 02:37:53,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:53,381 INFO L225 Difference]: With dead ends: 933 [2019-10-03 02:37:53,381 INFO L226 Difference]: Without dead ends: 918 [2019-10-03 02:37:53,383 INFO L640 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 [2019-10-03 02:37:53,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2019-10-03 02:37:53,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2019-10-03 02:37:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2019-10-03 02:37:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1229 transitions. [2019-10-03 02:37:53,413 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1229 transitions. Word has length 45 [2019-10-03 02:37:53,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:53,413 INFO L475 AbstractCegarLoop]: Abstraction has 918 states and 1229 transitions. [2019-10-03 02:37:53,413 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:37:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1229 transitions. [2019-10-03 02:37:53,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-03 02:37:53,415 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:53,415 INFO L411 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] [2019-10-03 02:37:53,416 INFO L418 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:53,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:53,416 INFO L82 PathProgramCache]: Analyzing trace with hash 2056203452, now seen corresponding path program 1 times [2019-10-03 02:37:53,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:53,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:53,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,418 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:53,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:53,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:37:53,496 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:53,497 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:37:53,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:37:53,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:37:53,497 INFO L87 Difference]: Start difference. First operand 918 states and 1229 transitions. Second operand 3 states. [2019-10-03 02:37:53,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:53,521 INFO L93 Difference]: Finished difference Result 921 states and 1224 transitions. [2019-10-03 02:37:53,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:37:53,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-03 02:37:53,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:53,526 INFO L225 Difference]: With dead ends: 921 [2019-10-03 02:37:53,527 INFO L226 Difference]: Without dead ends: 900 [2019-10-03 02:37:53,527 INFO L640 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 [2019-10-03 02:37:53,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2019-10-03 02:37:53,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 896. [2019-10-03 02:37:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2019-10-03 02:37:53,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1197 transitions. [2019-10-03 02:37:53,547 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1197 transitions. Word has length 46 [2019-10-03 02:37:53,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:53,548 INFO L475 AbstractCegarLoop]: Abstraction has 896 states and 1197 transitions. [2019-10-03 02:37:53,548 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:37:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1197 transitions. [2019-10-03 02:37:53,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-03 02:37:53,549 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:53,549 INFO L411 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] [2019-10-03 02:37:53,550 INFO L418 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:53,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:53,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1390121879, now seen corresponding path program 1 times [2019-10-03 02:37:53,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:53,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:53,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,553 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:53,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:53,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:37:53,603 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:53,603 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:37:53,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:37:53,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:37:53,604 INFO L87 Difference]: Start difference. First operand 896 states and 1197 transitions. Second operand 5 states. [2019-10-03 02:37:53,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:53,629 INFO L93 Difference]: Finished difference Result 909 states and 1209 transitions. [2019-10-03 02:37:53,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:37:53,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2019-10-03 02:37:53,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:53,634 INFO L225 Difference]: With dead ends: 909 [2019-10-03 02:37:53,634 INFO L226 Difference]: Without dead ends: 894 [2019-10-03 02:37:53,635 INFO L640 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 [2019-10-03 02:37:53,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-10-03 02:37:53,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2019-10-03 02:37:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2019-10-03 02:37:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1193 transitions. [2019-10-03 02:37:53,656 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1193 transitions. Word has length 47 [2019-10-03 02:37:53,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:53,656 INFO L475 AbstractCegarLoop]: Abstraction has 894 states and 1193 transitions. [2019-10-03 02:37:53,657 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:37:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1193 transitions. [2019-10-03 02:37:53,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-03 02:37:53,658 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:53,659 INFO L411 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] [2019-10-03 02:37:53,659 INFO L418 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:53,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:53,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1483722839, now seen corresponding path program 1 times [2019-10-03 02:37:53,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:53,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:53,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,662 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:53,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:53,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:37:53,709 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:53,709 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:37:53,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:37:53,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:37:53,710 INFO L87 Difference]: Start difference. First operand 894 states and 1193 transitions. Second operand 4 states. [2019-10-03 02:37:53,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:53,878 INFO L93 Difference]: Finished difference Result 645 states and 833 transitions. [2019-10-03 02:37:53,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:37:53,879 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2019-10-03 02:37:53,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:53,882 INFO L225 Difference]: With dead ends: 645 [2019-10-03 02:37:53,882 INFO L226 Difference]: Without dead ends: 645 [2019-10-03 02:37:53,883 INFO L640 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 [2019-10-03 02:37:53,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-10-03 02:37:53,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 608. [2019-10-03 02:37:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2019-10-03 02:37:53,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 786 transitions. [2019-10-03 02:37:53,898 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 786 transitions. Word has length 52 [2019-10-03 02:37:53,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:53,898 INFO L475 AbstractCegarLoop]: Abstraction has 608 states and 786 transitions. [2019-10-03 02:37:53,898 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:37:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 786 transitions. [2019-10-03 02:37:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-03 02:37:53,900 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:53,900 INFO L411 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] [2019-10-03 02:37:53,901 INFO L418 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:53,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:53,901 INFO L82 PathProgramCache]: Analyzing trace with hash -489978371, now seen corresponding path program 1 times [2019-10-03 02:37:53,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:53,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:53,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:53,904 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:53,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:53,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:37:53,966 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:53,966 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:37:53,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:37:53,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:37:53,967 INFO L87 Difference]: Start difference. First operand 608 states and 786 transitions. Second operand 6 states. [2019-10-03 02:37:54,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:54,034 INFO L93 Difference]: Finished difference Result 625 states and 803 transitions. [2019-10-03 02:37:54,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:37:54,034 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-10-03 02:37:54,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:54,037 INFO L225 Difference]: With dead ends: 625 [2019-10-03 02:37:54,038 INFO L226 Difference]: Without dead ends: 608 [2019-10-03 02:37:54,038 INFO L640 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 [2019-10-03 02:37:54,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2019-10-03 02:37:54,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2019-10-03 02:37:54,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2019-10-03 02:37:54,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 774 transitions. [2019-10-03 02:37:54,052 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 774 transitions. Word has length 50 [2019-10-03 02:37:54,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:54,052 INFO L475 AbstractCegarLoop]: Abstraction has 608 states and 774 transitions. [2019-10-03 02:37:54,052 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:37:54,052 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 774 transitions. [2019-10-03 02:37:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-03 02:37:54,054 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:54,054 INFO L411 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] [2019-10-03 02:37:54,054 INFO L418 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:54,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:54,055 INFO L82 PathProgramCache]: Analyzing trace with hash -192140927, now seen corresponding path program 1 times [2019-10-03 02:37:54,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:54,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:54,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:54,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:54,057 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:54,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:54,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:37:54,101 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:54,101 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:37:54,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:37:54,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:37:54,102 INFO L87 Difference]: Start difference. First operand 608 states and 774 transitions. Second operand 3 states. [2019-10-03 02:37:54,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:54,196 INFO L93 Difference]: Finished difference Result 804 states and 1036 transitions. [2019-10-03 02:37:54,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:37:54,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-10-03 02:37:54,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:54,201 INFO L225 Difference]: With dead ends: 804 [2019-10-03 02:37:54,201 INFO L226 Difference]: Without dead ends: 804 [2019-10-03 02:37:54,202 INFO L640 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 [2019-10-03 02:37:54,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2019-10-03 02:37:54,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 671. [2019-10-03 02:37:54,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2019-10-03 02:37:54,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 852 transitions. [2019-10-03 02:37:54,218 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 852 transitions. Word has length 50 [2019-10-03 02:37:54,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:54,219 INFO L475 AbstractCegarLoop]: Abstraction has 671 states and 852 transitions. [2019-10-03 02:37:54,219 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:37:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 852 transitions. [2019-10-03 02:37:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-03 02:37:54,220 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:54,220 INFO L411 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] [2019-10-03 02:37:54,221 INFO L418 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:54,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:54,221 INFO L82 PathProgramCache]: Analyzing trace with hash -2014423191, now seen corresponding path program 1 times [2019-10-03 02:37:54,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:54,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:54,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:54,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:54,224 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:54,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:54,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:37:54,285 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:54,285 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:37:54,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:37:54,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:37:54,286 INFO L87 Difference]: Start difference. First operand 671 states and 852 transitions. Second operand 7 states. [2019-10-03 02:37:54,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:54,377 INFO L93 Difference]: Finished difference Result 699 states and 879 transitions. [2019-10-03 02:37:54,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:37:54,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-03 02:37:54,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:54,381 INFO L225 Difference]: With dead ends: 699 [2019-10-03 02:37:54,381 INFO L226 Difference]: Without dead ends: 672 [2019-10-03 02:37:54,382 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:37:54,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2019-10-03 02:37:54,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 659. [2019-10-03 02:37:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-10-03 02:37:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 833 transitions. [2019-10-03 02:37:54,399 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 833 transitions. Word has length 51 [2019-10-03 02:37:54,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:54,400 INFO L475 AbstractCegarLoop]: Abstraction has 659 states and 833 transitions. [2019-10-03 02:37:54,400 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:37:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 833 transitions. [2019-10-03 02:37:54,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-03 02:37:54,402 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:54,402 INFO L411 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] [2019-10-03 02:37:54,402 INFO L418 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:54,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:54,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1090292134, now seen corresponding path program 1 times [2019-10-03 02:37:54,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:54,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:54,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:54,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:54,407 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:54,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:54,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:37:54,509 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:54,509 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:37:54,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:37:54,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:37:54,510 INFO L87 Difference]: Start difference. First operand 659 states and 833 transitions. Second operand 6 states. [2019-10-03 02:37:54,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:54,560 INFO L93 Difference]: Finished difference Result 664 states and 838 transitions. [2019-10-03 02:37:54,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:37:54,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-03 02:37:54,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:54,566 INFO L225 Difference]: With dead ends: 664 [2019-10-03 02:37:54,566 INFO L226 Difference]: Without dead ends: 661 [2019-10-03 02:37:54,568 INFO L640 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 [2019-10-03 02:37:54,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2019-10-03 02:37:54,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2019-10-03 02:37:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2019-10-03 02:37:54,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 835 transitions. [2019-10-03 02:37:54,595 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 835 transitions. Word has length 51 [2019-10-03 02:37:54,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:54,595 INFO L475 AbstractCegarLoop]: Abstraction has 661 states and 835 transitions. [2019-10-03 02:37:54,596 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:37:54,596 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2019-10-03 02:37:54,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-03 02:37:54,600 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:54,600 INFO L411 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] [2019-10-03 02:37:54,600 INFO L418 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:54,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:54,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1208522397, now seen corresponding path program 1 times [2019-10-03 02:37:54,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:54,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:54,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:54,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:54,604 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:54,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:54,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:37:54,738 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:54,738 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:37:54,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:37:54,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:37:54,738 INFO L87 Difference]: Start difference. First operand 661 states and 835 transitions. Second operand 8 states. [2019-10-03 02:37:54,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:54,907 INFO L93 Difference]: Finished difference Result 688 states and 866 transitions. [2019-10-03 02:37:54,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:37:54,908 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-03 02:37:54,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:54,912 INFO L225 Difference]: With dead ends: 688 [2019-10-03 02:37:54,912 INFO L226 Difference]: Without dead ends: 687 [2019-10-03 02:37:54,913 INFO L640 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 [2019-10-03 02:37:54,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2019-10-03 02:37:54,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 679. [2019-10-03 02:37:54,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2019-10-03 02:37:54,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 856 transitions. [2019-10-03 02:37:54,930 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 856 transitions. Word has length 51 [2019-10-03 02:37:54,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:54,930 INFO L475 AbstractCegarLoop]: Abstraction has 679 states and 856 transitions. [2019-10-03 02:37:54,931 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:37:54,931 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 856 transitions. [2019-10-03 02:37:54,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-03 02:37:54,932 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:54,933 INFO L411 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] [2019-10-03 02:37:54,933 INFO L418 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:54,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1208799227, now seen corresponding path program 1 times [2019-10-03 02:37:54,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:54,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:54,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:54,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:54,938 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:55,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:55,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:37:55,011 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:55,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:37:55,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:37:55,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:37:55,012 INFO L87 Difference]: Start difference. First operand 679 states and 856 transitions. Second operand 8 states. [2019-10-03 02:37:55,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:55,091 INFO L93 Difference]: Finished difference Result 736 states and 942 transitions. [2019-10-03 02:37:55,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:37:55,091 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-03 02:37:55,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:55,095 INFO L225 Difference]: With dead ends: 736 [2019-10-03 02:37:55,095 INFO L226 Difference]: Without dead ends: 722 [2019-10-03 02:37:55,099 INFO L640 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 [2019-10-03 02:37:55,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2019-10-03 02:37:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 705. [2019-10-03 02:37:55,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2019-10-03 02:37:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 900 transitions. [2019-10-03 02:37:55,118 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 900 transitions. Word has length 51 [2019-10-03 02:37:55,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:55,118 INFO L475 AbstractCegarLoop]: Abstraction has 705 states and 900 transitions. [2019-10-03 02:37:55,119 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:37:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 900 transitions. [2019-10-03 02:37:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-03 02:37:55,121 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:55,121 INFO L411 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] [2019-10-03 02:37:55,121 INFO L418 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:55,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:55,121 INFO L82 PathProgramCache]: Analyzing trace with hash 987376175, now seen corresponding path program 1 times [2019-10-03 02:37:55,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:55,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:55,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:55,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:55,126 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:55,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:55,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-03 02:37:55,407 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:55,407 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-03 02:37:55,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-03 02:37:55,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-03 02:37:55,408 INFO L87 Difference]: Start difference. First operand 705 states and 900 transitions. Second operand 15 states. [2019-10-03 02:37:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:37:58,805 INFO L93 Difference]: Finished difference Result 865 states and 1122 transitions. [2019-10-03 02:37:58,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-03 02:37:58,805 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 52 [2019-10-03 02:37:58,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:37:58,811 INFO L225 Difference]: With dead ends: 865 [2019-10-03 02:37:58,811 INFO L226 Difference]: Without dead ends: 851 [2019-10-03 02:37:58,812 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=805, Unknown=0, NotChecked=0, Total=930 [2019-10-03 02:37:58,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2019-10-03 02:37:58,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 716. [2019-10-03 02:37:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2019-10-03 02:37:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 915 transitions. [2019-10-03 02:37:58,834 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 915 transitions. Word has length 52 [2019-10-03 02:37:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:37:58,835 INFO L475 AbstractCegarLoop]: Abstraction has 716 states and 915 transitions. [2019-10-03 02:37:58,835 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-03 02:37:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 915 transitions. [2019-10-03 02:37:58,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-03 02:37:58,837 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:37:58,837 INFO L411 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] [2019-10-03 02:37:58,838 INFO L418 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:37:58,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:37:58,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1519216017, now seen corresponding path program 1 times [2019-10-03 02:37:58,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:37:58,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:58,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:37:58,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:37:58,841 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:37:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:37:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:37:58,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:37:58,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-03 02:37:58,985 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:37:58,985 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-03 02:37:58,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-03 02:37:58,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:37:58,986 INFO L87 Difference]: Start difference. First operand 716 states and 915 transitions. Second operand 10 states. [2019-10-03 02:38:01,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:01,294 INFO L93 Difference]: Finished difference Result 917 states and 1193 transitions. [2019-10-03 02:38:01,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-03 02:38:01,294 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2019-10-03 02:38:01,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:01,299 INFO L225 Difference]: With dead ends: 917 [2019-10-03 02:38:01,299 INFO L226 Difference]: Without dead ends: 905 [2019-10-03 02:38:01,300 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:38:01,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2019-10-03 02:38:01,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 730. [2019-10-03 02:38:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2019-10-03 02:38:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 928 transitions. [2019-10-03 02:38:01,319 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 928 transitions. Word has length 52 [2019-10-03 02:38:01,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:01,319 INFO L475 AbstractCegarLoop]: Abstraction has 730 states and 928 transitions. [2019-10-03 02:38:01,319 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-03 02:38:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 928 transitions. [2019-10-03 02:38:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-03 02:38:01,321 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:01,321 INFO L411 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] [2019-10-03 02:38:01,322 INFO L418 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:01,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:01,322 INFO L82 PathProgramCache]: Analyzing trace with hash -581698746, now seen corresponding path program 1 times [2019-10-03 02:38:01,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:01,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:01,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:01,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:01,325 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:01,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:01,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:01,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:38:01,393 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:01,393 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:38:01,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:38:01,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:38:01,394 INFO L87 Difference]: Start difference. First operand 730 states and 928 transitions. Second operand 3 states. [2019-10-03 02:38:01,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:01,482 INFO L93 Difference]: Finished difference Result 953 states and 1225 transitions. [2019-10-03 02:38:01,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:38:01,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-03 02:38:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:01,487 INFO L225 Difference]: With dead ends: 953 [2019-10-03 02:38:01,487 INFO L226 Difference]: Without dead ends: 944 [2019-10-03 02:38:01,488 INFO L640 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 [2019-10-03 02:38:01,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2019-10-03 02:38:01,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 802. [2019-10-03 02:38:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2019-10-03 02:38:01,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1021 transitions. [2019-10-03 02:38:01,508 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1021 transitions. Word has length 52 [2019-10-03 02:38:01,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:01,510 INFO L475 AbstractCegarLoop]: Abstraction has 802 states and 1021 transitions. [2019-10-03 02:38:01,510 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:38:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1021 transitions. [2019-10-03 02:38:01,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-03 02:38:01,512 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:01,512 INFO L411 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] [2019-10-03 02:38:01,512 INFO L418 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:01,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:01,513 INFO L82 PathProgramCache]: Analyzing trace with hash -724978104, now seen corresponding path program 1 times [2019-10-03 02:38:01,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:01,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:01,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:01,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:01,516 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:01,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:01,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:01,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:38:01,589 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:01,589 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:38:01,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:38:01,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:38:01,590 INFO L87 Difference]: Start difference. First operand 802 states and 1021 transitions. Second operand 7 states. [2019-10-03 02:38:02,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:02,379 INFO L93 Difference]: Finished difference Result 760 states and 961 transitions. [2019-10-03 02:38:02,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:38:02,379 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-03 02:38:02,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:02,383 INFO L225 Difference]: With dead ends: 760 [2019-10-03 02:38:02,383 INFO L226 Difference]: Without dead ends: 760 [2019-10-03 02:38:02,383 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-10-03 02:38:02,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2019-10-03 02:38:02,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 742. [2019-10-03 02:38:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2019-10-03 02:38:02,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 938 transitions. [2019-10-03 02:38:02,401 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 938 transitions. Word has length 52 [2019-10-03 02:38:02,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:02,401 INFO L475 AbstractCegarLoop]: Abstraction has 742 states and 938 transitions. [2019-10-03 02:38:02,401 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:38:02,401 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 938 transitions. [2019-10-03 02:38:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-03 02:38:02,403 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:02,403 INFO L411 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] [2019-10-03 02:38:02,404 INFO L418 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:02,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:02,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1827381688, now seen corresponding path program 1 times [2019-10-03 02:38:02,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:02,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:02,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:02,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:02,407 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:02,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:02,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:38:02,465 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:02,465 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:38:02,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:38:02,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:38:02,466 INFO L87 Difference]: Start difference. First operand 742 states and 938 transitions. Second operand 3 states. [2019-10-03 02:38:02,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:02,516 INFO L93 Difference]: Finished difference Result 742 states and 936 transitions. [2019-10-03 02:38:02,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:38:02,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-10-03 02:38:02,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:02,519 INFO L225 Difference]: With dead ends: 742 [2019-10-03 02:38:02,520 INFO L226 Difference]: Without dead ends: 742 [2019-10-03 02:38:02,521 INFO L640 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 [2019-10-03 02:38:02,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2019-10-03 02:38:02,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2019-10-03 02:38:02,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2019-10-03 02:38:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 936 transitions. [2019-10-03 02:38:02,536 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 936 transitions. Word has length 61 [2019-10-03 02:38:02,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:02,537 INFO L475 AbstractCegarLoop]: Abstraction has 742 states and 936 transitions. [2019-10-03 02:38:02,537 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:38:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 936 transitions. [2019-10-03 02:38:02,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-03 02:38:02,539 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:02,539 INFO L411 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] [2019-10-03 02:38:02,539 INFO L418 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:02,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:02,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1295429258, now seen corresponding path program 1 times [2019-10-03 02:38:02,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:02,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:02,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:02,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:02,542 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:02,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:02,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-03 02:38:02,691 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:02,691 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-03 02:38:02,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-03 02:38:02,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-03 02:38:02,692 INFO L87 Difference]: Start difference. First operand 742 states and 936 transitions. Second operand 11 states. [2019-10-03 02:38:03,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:03,713 INFO L93 Difference]: Finished difference Result 793 states and 1013 transitions. [2019-10-03 02:38:03,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-03 02:38:03,714 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2019-10-03 02:38:03,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:03,719 INFO L225 Difference]: With dead ends: 793 [2019-10-03 02:38:03,719 INFO L226 Difference]: Without dead ends: 781 [2019-10-03 02:38:03,720 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:38:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2019-10-03 02:38:03,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 748. [2019-10-03 02:38:03,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2019-10-03 02:38:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 945 transitions. [2019-10-03 02:38:03,740 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 945 transitions. Word has length 54 [2019-10-03 02:38:03,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:03,740 INFO L475 AbstractCegarLoop]: Abstraction has 748 states and 945 transitions. [2019-10-03 02:38:03,740 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-03 02:38:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 945 transitions. [2019-10-03 02:38:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-03 02:38:03,743 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:03,743 INFO L411 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] [2019-10-03 02:38:03,743 INFO L418 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:03,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:03,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1936985802, now seen corresponding path program 1 times [2019-10-03 02:38:03,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:03,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:03,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:03,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:03,748 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:03,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:03,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:38:03,847 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:03,848 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:38:03,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:38:03,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:38:03,848 INFO L87 Difference]: Start difference. First operand 748 states and 945 transitions. Second operand 5 states. [2019-10-03 02:38:04,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:04,257 INFO L93 Difference]: Finished difference Result 833 states and 1051 transitions. [2019-10-03 02:38:04,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:38:04,258 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-03 02:38:04,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:04,262 INFO L225 Difference]: With dead ends: 833 [2019-10-03 02:38:04,263 INFO L226 Difference]: Without dead ends: 819 [2019-10-03 02:38:04,263 INFO L640 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 [2019-10-03 02:38:04,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-10-03 02:38:04,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 743. [2019-10-03 02:38:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2019-10-03 02:38:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 935 transitions. [2019-10-03 02:38:04,280 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 935 transitions. Word has length 54 [2019-10-03 02:38:04,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:04,280 INFO L475 AbstractCegarLoop]: Abstraction has 743 states and 935 transitions. [2019-10-03 02:38:04,280 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:38:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 935 transitions. [2019-10-03 02:38:04,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-03 02:38:04,282 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:04,282 INFO L411 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] [2019-10-03 02:38:04,282 INFO L418 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:04,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:04,283 INFO L82 PathProgramCache]: Analyzing trace with hash -88385251, now seen corresponding path program 1 times [2019-10-03 02:38:04,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:04,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:04,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:04,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:04,285 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:04,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:04,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:38:04,358 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:04,358 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:38:04,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:38:04,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:38:04,359 INFO L87 Difference]: Start difference. First operand 743 states and 935 transitions. Second operand 8 states. [2019-10-03 02:38:04,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:04,400 INFO L93 Difference]: Finished difference Result 753 states and 944 transitions. [2019-10-03 02:38:04,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:38:04,400 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2019-10-03 02:38:04,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:04,404 INFO L225 Difference]: With dead ends: 753 [2019-10-03 02:38:04,404 INFO L226 Difference]: Without dead ends: 728 [2019-10-03 02:38:04,404 INFO L640 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 [2019-10-03 02:38:04,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2019-10-03 02:38:04,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 728. [2019-10-03 02:38:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2019-10-03 02:38:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 916 transitions. [2019-10-03 02:38:04,421 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 916 transitions. Word has length 55 [2019-10-03 02:38:04,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:04,421 INFO L475 AbstractCegarLoop]: Abstraction has 728 states and 916 transitions. [2019-10-03 02:38:04,421 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:38:04,421 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 916 transitions. [2019-10-03 02:38:04,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-03 02:38:04,423 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:04,424 INFO L411 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] [2019-10-03 02:38:04,424 INFO L418 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:04,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:04,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1842434508, now seen corresponding path program 1 times [2019-10-03 02:38:04,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:04,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:04,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:04,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:04,427 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:04,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:04,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:38:04,494 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:04,495 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:38:04,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:38:04,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:38:04,498 INFO L87 Difference]: Start difference. First operand 728 states and 916 transitions. Second operand 8 states. [2019-10-03 02:38:04,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:04,648 INFO L93 Difference]: Finished difference Result 748 states and 936 transitions. [2019-10-03 02:38:04,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:38:04,648 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-10-03 02:38:04,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:04,651 INFO L225 Difference]: With dead ends: 748 [2019-10-03 02:38:04,652 INFO L226 Difference]: Without dead ends: 723 [2019-10-03 02:38:04,652 INFO L640 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 [2019-10-03 02:38:04,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2019-10-03 02:38:04,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2019-10-03 02:38:04,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2019-10-03 02:38:04,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 908 transitions. [2019-10-03 02:38:04,680 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 908 transitions. Word has length 56 [2019-10-03 02:38:04,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:04,680 INFO L475 AbstractCegarLoop]: Abstraction has 723 states and 908 transitions. [2019-10-03 02:38:04,681 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:38:04,681 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 908 transitions. [2019-10-03 02:38:04,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-03 02:38:04,683 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:04,683 INFO L411 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] [2019-10-03 02:38:04,683 INFO L418 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:04,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:04,684 INFO L82 PathProgramCache]: Analyzing trace with hash 407710022, now seen corresponding path program 1 times [2019-10-03 02:38:04,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:04,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:04,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:04,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:04,688 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:04,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:04,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:38:04,809 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:04,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:38:04,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:38:04,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:38:04,810 INFO L87 Difference]: Start difference. First operand 723 states and 908 transitions. Second operand 5 states. [2019-10-03 02:38:04,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:04,822 INFO L93 Difference]: Finished difference Result 665 states and 824 transitions. [2019-10-03 02:38:04,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:38:04,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-03 02:38:04,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:04,826 INFO L225 Difference]: With dead ends: 665 [2019-10-03 02:38:04,826 INFO L226 Difference]: Without dead ends: 665 [2019-10-03 02:38:04,826 INFO L640 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 [2019-10-03 02:38:04,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2019-10-03 02:38:04,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2019-10-03 02:38:04,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2019-10-03 02:38:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 824 transitions. [2019-10-03 02:38:04,837 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 824 transitions. Word has length 64 [2019-10-03 02:38:04,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:04,838 INFO L475 AbstractCegarLoop]: Abstraction has 665 states and 824 transitions. [2019-10-03 02:38:04,838 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:38:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 824 transitions. [2019-10-03 02:38:04,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-03 02:38:04,840 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:04,840 INFO L411 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] [2019-10-03 02:38:04,840 INFO L418 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:04,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:04,840 INFO L82 PathProgramCache]: Analyzing trace with hash 727993337, now seen corresponding path program 1 times [2019-10-03 02:38:04,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:04,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:04,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:04,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:04,843 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:04,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:04,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:38:04,893 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:04,894 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:38:04,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:38:04,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:38:04,894 INFO L87 Difference]: Start difference. First operand 665 states and 824 transitions. Second operand 6 states. [2019-10-03 02:38:04,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:04,935 INFO L93 Difference]: Finished difference Result 693 states and 852 transitions. [2019-10-03 02:38:04,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:38:04,935 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2019-10-03 02:38:04,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:04,938 INFO L225 Difference]: With dead ends: 693 [2019-10-03 02:38:04,938 INFO L226 Difference]: Without dead ends: 672 [2019-10-03 02:38:04,939 INFO L640 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 [2019-10-03 02:38:04,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2019-10-03 02:38:04,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 660. [2019-10-03 02:38:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-10-03 02:38:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 818 transitions. [2019-10-03 02:38:04,950 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 818 transitions. Word has length 60 [2019-10-03 02:38:04,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:04,951 INFO L475 AbstractCegarLoop]: Abstraction has 660 states and 818 transitions. [2019-10-03 02:38:04,951 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:38:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 818 transitions. [2019-10-03 02:38:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-03 02:38:04,953 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:04,953 INFO L411 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] [2019-10-03 02:38:04,953 INFO L418 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:04,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:04,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1568169683, now seen corresponding path program 1 times [2019-10-03 02:38:04,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:04,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:04,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:04,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:04,956 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:05,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:05,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:38:05,020 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:05,021 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:38:05,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:38:05,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:38:05,021 INFO L87 Difference]: Start difference. First operand 660 states and 818 transitions. Second operand 5 states. [2019-10-03 02:38:05,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:05,299 INFO L93 Difference]: Finished difference Result 660 states and 816 transitions. [2019-10-03 02:38:05,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:38:05,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2019-10-03 02:38:05,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:05,302 INFO L225 Difference]: With dead ends: 660 [2019-10-03 02:38:05,303 INFO L226 Difference]: Without dead ends: 660 [2019-10-03 02:38:05,303 INFO L640 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 [2019-10-03 02:38:05,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2019-10-03 02:38:05,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2019-10-03 02:38:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-10-03 02:38:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 816 transitions. [2019-10-03 02:38:05,314 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 816 transitions. Word has length 68 [2019-10-03 02:38:05,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:05,314 INFO L475 AbstractCegarLoop]: Abstraction has 660 states and 816 transitions. [2019-10-03 02:38:05,314 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:38:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 816 transitions. [2019-10-03 02:38:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-03 02:38:05,316 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:05,316 INFO L411 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] [2019-10-03 02:38:05,316 INFO L418 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:05,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:05,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1688753324, now seen corresponding path program 1 times [2019-10-03 02:38:05,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:05,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:05,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:05,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:05,319 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:05,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:05,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:38:05,386 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:05,386 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:38:05,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:38:05,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:38:05,387 INFO L87 Difference]: Start difference. First operand 660 states and 816 transitions. Second operand 9 states. [2019-10-03 02:38:05,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:05,556 INFO L93 Difference]: Finished difference Result 686 states and 844 transitions. [2019-10-03 02:38:05,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:38:05,557 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2019-10-03 02:38:05,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:05,559 INFO L225 Difference]: With dead ends: 686 [2019-10-03 02:38:05,560 INFO L226 Difference]: Without dead ends: 655 [2019-10-03 02:38:05,560 INFO L640 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 [2019-10-03 02:38:05,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2019-10-03 02:38:05,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 655. [2019-10-03 02:38:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2019-10-03 02:38:05,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 808 transitions. [2019-10-03 02:38:05,570 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 808 transitions. Word has length 61 [2019-10-03 02:38:05,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:05,570 INFO L475 AbstractCegarLoop]: Abstraction has 655 states and 808 transitions. [2019-10-03 02:38:05,571 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:38:05,571 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 808 transitions. [2019-10-03 02:38:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-03 02:38:05,572 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:05,573 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:38:05,573 INFO L418 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:05,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:05,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1152303328, now seen corresponding path program 1 times [2019-10-03 02:38:05,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:05,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:05,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:05,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:05,576 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:05,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:05,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:38:05,622 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:05,622 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:38:05,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:38:05,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:38:05,623 INFO L87 Difference]: Start difference. First operand 655 states and 808 transitions. Second operand 5 states. [2019-10-03 02:38:05,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:05,642 INFO L93 Difference]: Finished difference Result 661 states and 815 transitions. [2019-10-03 02:38:05,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:38:05,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-03 02:38:05,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:05,645 INFO L225 Difference]: With dead ends: 661 [2019-10-03 02:38:05,645 INFO L226 Difference]: Without dead ends: 661 [2019-10-03 02:38:05,645 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:38:05,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2019-10-03 02:38:05,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 659. [2019-10-03 02:38:05,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-10-03 02:38:05,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 812 transitions. [2019-10-03 02:38:05,679 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 812 transitions. Word has length 63 [2019-10-03 02:38:05,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:05,679 INFO L475 AbstractCegarLoop]: Abstraction has 659 states and 812 transitions. [2019-10-03 02:38:05,679 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:38:05,680 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 812 transitions. [2019-10-03 02:38:05,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-03 02:38:05,681 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:05,681 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:38:05,682 INFO L418 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:05,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:05,682 INFO L82 PathProgramCache]: Analyzing trace with hash -862866401, now seen corresponding path program 1 times [2019-10-03 02:38:05,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:05,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:05,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:05,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:05,685 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:05,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:05,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:05,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:38:05,760 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:05,760 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:38:05,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:38:05,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:38:05,761 INFO L87 Difference]: Start difference. First operand 659 states and 812 transitions. Second operand 9 states. [2019-10-03 02:38:05,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:05,827 INFO L93 Difference]: Finished difference Result 664 states and 816 transitions. [2019-10-03 02:38:05,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:38:05,828 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2019-10-03 02:38:05,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:05,830 INFO L225 Difference]: With dead ends: 664 [2019-10-03 02:38:05,830 INFO L226 Difference]: Without dead ends: 661 [2019-10-03 02:38:05,831 INFO L640 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 [2019-10-03 02:38:05,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2019-10-03 02:38:05,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 659. [2019-10-03 02:38:05,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-10-03 02:38:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 811 transitions. [2019-10-03 02:38:05,841 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 811 transitions. Word has length 63 [2019-10-03 02:38:05,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:05,841 INFO L475 AbstractCegarLoop]: Abstraction has 659 states and 811 transitions. [2019-10-03 02:38:05,841 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:38:05,841 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 811 transitions. [2019-10-03 02:38:05,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-03 02:38:05,843 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:05,843 INFO L411 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] [2019-10-03 02:38:05,843 INFO L418 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:05,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:05,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1439197500, now seen corresponding path program 1 times [2019-10-03 02:38:05,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:05,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:05,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:05,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:05,846 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:05,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:05,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:38:05,911 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:05,912 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:38:05,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:38:05,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:38:05,912 INFO L87 Difference]: Start difference. First operand 659 states and 811 transitions. Second operand 9 states. [2019-10-03 02:38:06,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:06,104 INFO L93 Difference]: Finished difference Result 685 states and 839 transitions. [2019-10-03 02:38:06,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:38:06,105 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2019-10-03 02:38:06,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:06,107 INFO L225 Difference]: With dead ends: 685 [2019-10-03 02:38:06,107 INFO L226 Difference]: Without dead ends: 653 [2019-10-03 02:38:06,107 INFO L640 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 [2019-10-03 02:38:06,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2019-10-03 02:38:06,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653. [2019-10-03 02:38:06,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2019-10-03 02:38:06,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 802 transitions. [2019-10-03 02:38:06,122 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 802 transitions. Word has length 62 [2019-10-03 02:38:06,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:06,122 INFO L475 AbstractCegarLoop]: Abstraction has 653 states and 802 transitions. [2019-10-03 02:38:06,123 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:38:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 802 transitions. [2019-10-03 02:38:06,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-03 02:38:06,125 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:06,126 INFO L411 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] [2019-10-03 02:38:06,126 INFO L418 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:06,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:06,127 INFO L82 PathProgramCache]: Analyzing trace with hash 607542358, now seen corresponding path program 1 times [2019-10-03 02:38:06,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:06,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:06,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:06,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:06,129 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:06,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:06,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:38:06,230 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:06,230 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:38:06,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:38:06,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:38:06,231 INFO L87 Difference]: Start difference. First operand 653 states and 802 transitions. Second operand 9 states. [2019-10-03 02:38:06,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:06,440 INFO L93 Difference]: Finished difference Result 679 states and 830 transitions. [2019-10-03 02:38:06,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:38:06,440 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2019-10-03 02:38:06,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:06,443 INFO L225 Difference]: With dead ends: 679 [2019-10-03 02:38:06,443 INFO L226 Difference]: Without dead ends: 648 [2019-10-03 02:38:06,444 INFO L640 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 [2019-10-03 02:38:06,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2019-10-03 02:38:06,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648. [2019-10-03 02:38:06,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2019-10-03 02:38:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 794 transitions. [2019-10-03 02:38:06,456 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 794 transitions. Word has length 62 [2019-10-03 02:38:06,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:06,456 INFO L475 AbstractCegarLoop]: Abstraction has 648 states and 794 transitions. [2019-10-03 02:38:06,456 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:38:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 794 transitions. [2019-10-03 02:38:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-03 02:38:06,459 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:06,459 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:38:06,460 INFO L418 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:06,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:06,460 INFO L82 PathProgramCache]: Analyzing trace with hash 500831766, now seen corresponding path program 1 times [2019-10-03 02:38:06,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:06,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:06,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:06,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:06,465 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:06,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:06,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:38:06,599 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:06,600 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:38:06,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:38:06,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:38:06,601 INFO L87 Difference]: Start difference. First operand 648 states and 794 transitions. Second operand 6 states. [2019-10-03 02:38:06,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:06,649 INFO L93 Difference]: Finished difference Result 643 states and 787 transitions. [2019-10-03 02:38:06,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:38:06,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-10-03 02:38:06,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:06,652 INFO L225 Difference]: With dead ends: 643 [2019-10-03 02:38:06,652 INFO L226 Difference]: Without dead ends: 640 [2019-10-03 02:38:06,652 INFO L640 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 [2019-10-03 02:38:06,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2019-10-03 02:38:06,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 640. [2019-10-03 02:38:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2019-10-03 02:38:06,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 784 transitions. [2019-10-03 02:38:06,663 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 784 transitions. Word has length 63 [2019-10-03 02:38:06,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:06,663 INFO L475 AbstractCegarLoop]: Abstraction has 640 states and 784 transitions. [2019-10-03 02:38:06,663 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:38:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 784 transitions. [2019-10-03 02:38:06,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-03 02:38:06,665 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:06,666 INFO L411 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] [2019-10-03 02:38:06,666 INFO L418 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:06,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:06,666 INFO L82 PathProgramCache]: Analyzing trace with hash -392212102, now seen corresponding path program 1 times [2019-10-03 02:38:06,666 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:06,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:06,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:06,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:06,671 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:06,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:06,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:38:06,743 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:06,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:38:06,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:38:06,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:38:06,744 INFO L87 Difference]: Start difference. First operand 640 states and 784 transitions. Second operand 8 states. [2019-10-03 02:38:06,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:06,858 INFO L93 Difference]: Finished difference Result 654 states and 798 transitions. [2019-10-03 02:38:06,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:38:06,859 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2019-10-03 02:38:06,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:06,861 INFO L225 Difference]: With dead ends: 654 [2019-10-03 02:38:06,861 INFO L226 Difference]: Without dead ends: 625 [2019-10-03 02:38:06,861 INFO L640 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 [2019-10-03 02:38:06,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2019-10-03 02:38:06,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 625. [2019-10-03 02:38:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-10-03 02:38:06,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 764 transitions. [2019-10-03 02:38:06,873 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 764 transitions. Word has length 62 [2019-10-03 02:38:06,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:06,874 INFO L475 AbstractCegarLoop]: Abstraction has 625 states and 764 transitions. [2019-10-03 02:38:06,874 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:38:06,874 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 764 transitions. [2019-10-03 02:38:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-03 02:38:06,875 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:06,876 INFO L411 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] [2019-10-03 02:38:06,876 INFO L418 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:06,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:06,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1207446898, now seen corresponding path program 1 times [2019-10-03 02:38:06,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:06,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:06,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:06,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:06,879 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:06,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:06,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:38:06,958 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:06,958 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:38:06,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:38:06,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:38:06,959 INFO L87 Difference]: Start difference. First operand 625 states and 764 transitions. Second operand 6 states. [2019-10-03 02:38:06,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:06,998 INFO L93 Difference]: Finished difference Result 650 states and 795 transitions. [2019-10-03 02:38:06,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:38:06,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2019-10-03 02:38:06,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:07,002 INFO L225 Difference]: With dead ends: 650 [2019-10-03 02:38:07,002 INFO L226 Difference]: Without dead ends: 650 [2019-10-03 02:38:07,002 INFO L640 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 [2019-10-03 02:38:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2019-10-03 02:38:07,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 625. [2019-10-03 02:38:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-10-03 02:38:07,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 762 transitions. [2019-10-03 02:38:07,013 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 762 transitions. Word has length 71 [2019-10-03 02:38:07,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:07,014 INFO L475 AbstractCegarLoop]: Abstraction has 625 states and 762 transitions. [2019-10-03 02:38:07,014 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:38:07,014 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 762 transitions. [2019-10-03 02:38:07,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-03 02:38:07,016 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:07,016 INFO L411 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] [2019-10-03 02:38:07,016 INFO L418 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:07,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:07,016 INFO L82 PathProgramCache]: Analyzing trace with hash -251803701, now seen corresponding path program 1 times [2019-10-03 02:38:07,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:07,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:07,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:07,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:07,020 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:07,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:07,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:38:07,084 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:07,085 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:38:07,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:38:07,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:38:07,085 INFO L87 Difference]: Start difference. First operand 625 states and 762 transitions. Second operand 5 states. [2019-10-03 02:38:07,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:07,102 INFO L93 Difference]: Finished difference Result 615 states and 752 transitions. [2019-10-03 02:38:07,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:38:07,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-03 02:38:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:07,105 INFO L225 Difference]: With dead ends: 615 [2019-10-03 02:38:07,105 INFO L226 Difference]: Without dead ends: 615 [2019-10-03 02:38:07,105 INFO L640 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 [2019-10-03 02:38:07,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-10-03 02:38:07,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 605. [2019-10-03 02:38:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2019-10-03 02:38:07,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 740 transitions. [2019-10-03 02:38:07,116 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 740 transitions. Word has length 64 [2019-10-03 02:38:07,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:07,116 INFO L475 AbstractCegarLoop]: Abstraction has 605 states and 740 transitions. [2019-10-03 02:38:07,116 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:38:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 740 transitions. [2019-10-03 02:38:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-03 02:38:07,118 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:07,118 INFO L411 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] [2019-10-03 02:38:07,119 INFO L418 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:07,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:07,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1603697752, now seen corresponding path program 1 times [2019-10-03 02:38:07,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:07,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:07,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:07,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:07,123 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:07,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:07,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:38:07,180 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:07,180 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:38:07,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:38:07,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:38:07,181 INFO L87 Difference]: Start difference. First operand 605 states and 740 transitions. Second operand 3 states. [2019-10-03 02:38:07,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:07,197 INFO L93 Difference]: Finished difference Result 709 states and 868 transitions. [2019-10-03 02:38:07,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:38:07,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2019-10-03 02:38:07,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:07,199 INFO L225 Difference]: With dead ends: 709 [2019-10-03 02:38:07,200 INFO L226 Difference]: Without dead ends: 709 [2019-10-03 02:38:07,200 INFO L640 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 [2019-10-03 02:38:07,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-10-03 02:38:07,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 679. [2019-10-03 02:38:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2019-10-03 02:38:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 834 transitions. [2019-10-03 02:38:07,213 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 834 transitions. Word has length 73 [2019-10-03 02:38:07,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:07,213 INFO L475 AbstractCegarLoop]: Abstraction has 679 states and 834 transitions. [2019-10-03 02:38:07,213 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:38:07,213 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 834 transitions. [2019-10-03 02:38:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-03 02:38:07,215 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:07,215 INFO L411 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] [2019-10-03 02:38:07,215 INFO L418 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:07,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:07,216 INFO L82 PathProgramCache]: Analyzing trace with hash 438096047, now seen corresponding path program 1 times [2019-10-03 02:38:07,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:07,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:07,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:07,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:07,219 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:07,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:07,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:38:07,293 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:07,293 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:38:07,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:38:07,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:38:07,293 INFO L87 Difference]: Start difference. First operand 679 states and 834 transitions. Second operand 9 states. [2019-10-03 02:38:07,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:07,441 INFO L93 Difference]: Finished difference Result 705 states and 862 transitions. [2019-10-03 02:38:07,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:38:07,441 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2019-10-03 02:38:07,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:07,443 INFO L225 Difference]: With dead ends: 705 [2019-10-03 02:38:07,443 INFO L226 Difference]: Without dead ends: 633 [2019-10-03 02:38:07,444 INFO L640 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 [2019-10-03 02:38:07,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-10-03 02:38:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2019-10-03 02:38:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2019-10-03 02:38:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 777 transitions. [2019-10-03 02:38:07,454 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 777 transitions. Word has length 66 [2019-10-03 02:38:07,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:07,454 INFO L475 AbstractCegarLoop]: Abstraction has 633 states and 777 transitions. [2019-10-03 02:38:07,454 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:38:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 777 transitions. [2019-10-03 02:38:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-03 02:38:07,456 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:07,456 INFO L411 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] [2019-10-03 02:38:07,456 INFO L418 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:07,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:07,457 INFO L82 PathProgramCache]: Analyzing trace with hash -760769285, now seen corresponding path program 1 times [2019-10-03 02:38:07,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:07,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:07,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:07,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:07,459 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:07,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:07,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:07,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:38:07,559 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:07,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:38:07,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:38:07,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:38:07,560 INFO L87 Difference]: Start difference. First operand 633 states and 777 transitions. Second operand 4 states. [2019-10-03 02:38:07,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:07,774 INFO L93 Difference]: Finished difference Result 913 states and 1089 transitions. [2019-10-03 02:38:07,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:38:07,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-10-03 02:38:07,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:07,777 INFO L225 Difference]: With dead ends: 913 [2019-10-03 02:38:07,778 INFO L226 Difference]: Without dead ends: 909 [2019-10-03 02:38:07,778 INFO L640 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 [2019-10-03 02:38:07,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2019-10-03 02:38:07,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 773. [2019-10-03 02:38:07,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2019-10-03 02:38:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 936 transitions. [2019-10-03 02:38:07,796 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 936 transitions. Word has length 82 [2019-10-03 02:38:07,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:07,797 INFO L475 AbstractCegarLoop]: Abstraction has 773 states and 936 transitions. [2019-10-03 02:38:07,797 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:38:07,797 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 936 transitions. [2019-10-03 02:38:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-03 02:38:07,800 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:07,800 INFO L411 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] [2019-10-03 02:38:07,800 INFO L418 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:07,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:07,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1321469063, now seen corresponding path program 1 times [2019-10-03 02:38:07,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:07,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:07,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:07,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:07,804 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:07,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:07,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:38:07,946 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:07,947 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:38:07,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:38:07,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:38:07,947 INFO L87 Difference]: Start difference. First operand 773 states and 936 transitions. Second operand 7 states. [2019-10-03 02:38:08,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:08,762 INFO L93 Difference]: Finished difference Result 788 states and 946 transitions. [2019-10-03 02:38:08,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:38:08,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-10-03 02:38:08,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:08,766 INFO L225 Difference]: With dead ends: 788 [2019-10-03 02:38:08,766 INFO L226 Difference]: Without dead ends: 788 [2019-10-03 02:38:08,766 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:38:08,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2019-10-03 02:38:08,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 757. [2019-10-03 02:38:08,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2019-10-03 02:38:08,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 908 transitions. [2019-10-03 02:38:08,784 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 908 transitions. Word has length 82 [2019-10-03 02:38:08,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:08,785 INFO L475 AbstractCegarLoop]: Abstraction has 757 states and 908 transitions. [2019-10-03 02:38:08,785 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:38:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 908 transitions. [2019-10-03 02:38:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-03 02:38:08,788 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:08,789 INFO L411 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] [2019-10-03 02:38:08,789 INFO L418 AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:08,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:08,789 INFO L82 PathProgramCache]: Analyzing trace with hash 448269423, now seen corresponding path program 1 times [2019-10-03 02:38:08,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:08,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:08,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:08,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:08,794 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:08,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:08,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:38:08,850 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:08,851 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:38:08,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:38:08,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:38:08,851 INFO L87 Difference]: Start difference. First operand 757 states and 908 transitions. Second operand 5 states. [2019-10-03 02:38:08,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:08,869 INFO L93 Difference]: Finished difference Result 777 states and 930 transitions. [2019-10-03 02:38:08,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:38:08,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-10-03 02:38:08,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:08,872 INFO L225 Difference]: With dead ends: 777 [2019-10-03 02:38:08,872 INFO L226 Difference]: Without dead ends: 777 [2019-10-03 02:38:08,872 INFO L640 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 [2019-10-03 02:38:08,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2019-10-03 02:38:08,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 769. [2019-10-03 02:38:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2019-10-03 02:38:08,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 922 transitions. [2019-10-03 02:38:08,884 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 922 transitions. Word has length 76 [2019-10-03 02:38:08,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:08,884 INFO L475 AbstractCegarLoop]: Abstraction has 769 states and 922 transitions. [2019-10-03 02:38:08,884 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:38:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 922 transitions. [2019-10-03 02:38:08,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-03 02:38:08,886 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:08,886 INFO L411 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] [2019-10-03 02:38:08,886 INFO L418 AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:08,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:08,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1161185424, now seen corresponding path program 1 times [2019-10-03 02:38:08,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:08,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:08,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:08,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:08,889 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:08,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:08,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:38:08,971 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:08,972 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:38:08,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:38:08,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:38:08,972 INFO L87 Difference]: Start difference. First operand 769 states and 922 transitions. Second operand 9 states. [2019-10-03 02:38:09,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:09,024 INFO L93 Difference]: Finished difference Result 759 states and 906 transitions. [2019-10-03 02:38:09,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:38:09,024 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2019-10-03 02:38:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:09,027 INFO L225 Difference]: With dead ends: 759 [2019-10-03 02:38:09,027 INFO L226 Difference]: Without dead ends: 723 [2019-10-03 02:38:09,028 INFO L640 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 [2019-10-03 02:38:09,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2019-10-03 02:38:09,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 719. [2019-10-03 02:38:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2019-10-03 02:38:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 855 transitions. [2019-10-03 02:38:09,038 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 855 transitions. Word has length 76 [2019-10-03 02:38:09,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:09,039 INFO L475 AbstractCegarLoop]: Abstraction has 719 states and 855 transitions. [2019-10-03 02:38:09,040 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:38:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 855 transitions. [2019-10-03 02:38:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-03 02:38:09,042 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:09,042 INFO L411 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] [2019-10-03 02:38:09,042 INFO L418 AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:09,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:09,043 INFO L82 PathProgramCache]: Analyzing trace with hash 531350456, now seen corresponding path program 1 times [2019-10-03 02:38:09,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:09,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:09,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:09,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:09,046 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:09,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:09,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:38:09,130 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:09,130 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:38:09,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:38:09,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:38:09,131 INFO L87 Difference]: Start difference. First operand 719 states and 855 transitions. Second operand 6 states. [2019-10-03 02:38:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:09,170 INFO L93 Difference]: Finished difference Result 798 states and 981 transitions. [2019-10-03 02:38:09,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:38:09,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-10-03 02:38:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:09,173 INFO L225 Difference]: With dead ends: 798 [2019-10-03 02:38:09,173 INFO L226 Difference]: Without dead ends: 798 [2019-10-03 02:38:09,173 INFO L640 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 [2019-10-03 02:38:09,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-10-03 02:38:09,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 685. [2019-10-03 02:38:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2019-10-03 02:38:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 811 transitions. [2019-10-03 02:38:09,186 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 811 transitions. Word has length 83 [2019-10-03 02:38:09,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:09,186 INFO L475 AbstractCegarLoop]: Abstraction has 685 states and 811 transitions. [2019-10-03 02:38:09,186 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:38:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 811 transitions. [2019-10-03 02:38:09,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-03 02:38:09,188 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:09,188 INFO L411 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] [2019-10-03 02:38:09,189 INFO L418 AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:09,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:09,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1176705031, now seen corresponding path program 1 times [2019-10-03 02:38:09,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:09,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:09,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:09,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:09,191 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:09,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:09,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:38:09,242 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:09,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:38:09,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:38:09,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:38:09,243 INFO L87 Difference]: Start difference. First operand 685 states and 811 transitions. Second operand 5 states. [2019-10-03 02:38:09,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:09,638 INFO L93 Difference]: Finished difference Result 783 states and 907 transitions. [2019-10-03 02:38:09,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:38:09,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-10-03 02:38:09,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:09,641 INFO L225 Difference]: With dead ends: 783 [2019-10-03 02:38:09,641 INFO L226 Difference]: Without dead ends: 783 [2019-10-03 02:38:09,641 INFO L640 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 [2019-10-03 02:38:09,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-10-03 02:38:09,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 760. [2019-10-03 02:38:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2019-10-03 02:38:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 885 transitions. [2019-10-03 02:38:09,658 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 885 transitions. Word has length 78 [2019-10-03 02:38:09,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:09,659 INFO L475 AbstractCegarLoop]: Abstraction has 760 states and 885 transitions. [2019-10-03 02:38:09,659 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:38:09,659 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 885 transitions. [2019-10-03 02:38:09,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-03 02:38:09,662 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:09,662 INFO L411 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] [2019-10-03 02:38:09,662 INFO L418 AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:09,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:09,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1769905959, now seen corresponding path program 1 times [2019-10-03 02:38:09,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:09,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:09,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:09,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:09,666 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:09,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:09,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:09,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:38:09,758 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:09,758 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:38:09,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:38:09,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:38:09,760 INFO L87 Difference]: Start difference. First operand 760 states and 885 transitions. Second operand 9 states. [2019-10-03 02:38:09,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:09,902 INFO L93 Difference]: Finished difference Result 759 states and 883 transitions. [2019-10-03 02:38:09,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:38:09,903 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2019-10-03 02:38:09,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:09,905 INFO L225 Difference]: With dead ends: 759 [2019-10-03 02:38:09,905 INFO L226 Difference]: Without dead ends: 622 [2019-10-03 02:38:09,905 INFO L640 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 [2019-10-03 02:38:09,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2019-10-03 02:38:09,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622. [2019-10-03 02:38:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2019-10-03 02:38:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 726 transitions. [2019-10-03 02:38:09,917 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 726 transitions. Word has length 79 [2019-10-03 02:38:09,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:09,917 INFO L475 AbstractCegarLoop]: Abstraction has 622 states and 726 transitions. [2019-10-03 02:38:09,917 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:38:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 726 transitions. [2019-10-03 02:38:09,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-03 02:38:09,919 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:09,919 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:38:09,919 INFO L418 AbstractCegarLoop]: === Iteration 55 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:09,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:09,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1765631649, now seen corresponding path program 1 times [2019-10-03 02:38:09,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:09,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:09,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:09,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:09,929 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:10,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:10,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:38:10,020 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:10,020 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:38:10,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:38:10,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:38:10,021 INFO L87 Difference]: Start difference. First operand 622 states and 726 transitions. Second operand 9 states. [2019-10-03 02:38:10,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:10,153 INFO L93 Difference]: Finished difference Result 658 states and 764 transitions. [2019-10-03 02:38:10,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:38:10,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2019-10-03 02:38:10,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:10,156 INFO L225 Difference]: With dead ends: 658 [2019-10-03 02:38:10,156 INFO L226 Difference]: Without dead ends: 640 [2019-10-03 02:38:10,156 INFO L640 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 [2019-10-03 02:38:10,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2019-10-03 02:38:10,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 622. [2019-10-03 02:38:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2019-10-03 02:38:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 725 transitions. [2019-10-03 02:38:10,167 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 725 transitions. Word has length 88 [2019-10-03 02:38:10,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:10,168 INFO L475 AbstractCegarLoop]: Abstraction has 622 states and 725 transitions. [2019-10-03 02:38:10,168 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:38:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 725 transitions. [2019-10-03 02:38:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-03 02:38:10,170 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:10,170 INFO L411 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] [2019-10-03 02:38:10,170 INFO L418 AbstractCegarLoop]: === Iteration 56 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:10,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:10,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1105227521, now seen corresponding path program 1 times [2019-10-03 02:38:10,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:10,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:10,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:10,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:10,174 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:10,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:10,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-03 02:38:10,292 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:10,293 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-03 02:38:10,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-03 02:38:10,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:38:10,293 INFO L87 Difference]: Start difference. First operand 622 states and 725 transitions. Second operand 10 states. [2019-10-03 02:38:11,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:11,305 INFO L93 Difference]: Finished difference Result 627 states and 728 transitions. [2019-10-03 02:38:11,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-03 02:38:11,306 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-10-03 02:38:11,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:11,309 INFO L225 Difference]: With dead ends: 627 [2019-10-03 02:38:11,309 INFO L226 Difference]: Without dead ends: 627 [2019-10-03 02:38:11,309 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:38:11,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-10-03 02:38:11,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 622. [2019-10-03 02:38:11,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2019-10-03 02:38:11,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 724 transitions. [2019-10-03 02:38:11,318 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 724 transitions. Word has length 83 [2019-10-03 02:38:11,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:11,319 INFO L475 AbstractCegarLoop]: Abstraction has 622 states and 724 transitions. [2019-10-03 02:38:11,319 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-03 02:38:11,319 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 724 transitions. [2019-10-03 02:38:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-03 02:38:11,320 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:11,320 INFO L411 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] [2019-10-03 02:38:11,321 INFO L418 AbstractCegarLoop]: === Iteration 57 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:11,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:11,321 INFO L82 PathProgramCache]: Analyzing trace with hash -534357869, now seen corresponding path program 1 times [2019-10-03 02:38:11,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:11,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:11,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:11,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:11,324 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:38:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:38:11,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:38:11,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:38:11,409 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:38:11,409 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:38:11,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:38:11,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:38:11,410 INFO L87 Difference]: Start difference. First operand 622 states and 724 transitions. Second operand 9 states. [2019-10-03 02:38:12,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:38:12,396 INFO L93 Difference]: Finished difference Result 614 states and 716 transitions. [2019-10-03 02:38:12,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-03 02:38:12,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2019-10-03 02:38:12,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:38:12,398 INFO L225 Difference]: With dead ends: 614 [2019-10-03 02:38:12,399 INFO L226 Difference]: Without dead ends: 614 [2019-10-03 02:38:12,399 INFO L640 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 [2019-10-03 02:38:12,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2019-10-03 02:38:12,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 598. [2019-10-03 02:38:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2019-10-03 02:38:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 697 transitions. [2019-10-03 02:38:12,409 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 697 transitions. Word has length 84 [2019-10-03 02:38:12,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:38:12,409 INFO L475 AbstractCegarLoop]: Abstraction has 598 states and 697 transitions. [2019-10-03 02:38:12,410 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:38:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 697 transitions. [2019-10-03 02:38:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-03 02:38:12,411 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:38:12,411 INFO L411 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] [2019-10-03 02:38:12,412 INFO L418 AbstractCegarLoop]: === Iteration 58 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:38:12,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:38:12,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1790671204, now seen corresponding path program 1 times [2019-10-03 02:38:12,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:38:12,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:12,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:38:12,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:38:12,415 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:38:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-03 02:38:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-03 02:38:12,540 INFO L478 BasicCegarLoop]: Counterexample might be feasible [2019-10-03 02:38:12,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:38:12 BoogieIcfgContainer [2019-10-03 02:38:12,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:38:12,661 INFO L168 Benchmark]: Toolchain (without parser) took 27476.64 ms. Allocated memory was 132.6 MB in the beginning and 642.3 MB in the end (delta: 509.6 MB). Free memory was 87.0 MB in the beginning and 189.4 MB in the end (delta: -102.3 MB). Peak memory consumption was 407.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:38:12,661 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:38:12,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.52 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 161.4 MB in the end (delta: -74.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:38:12,663 INFO L168 Benchmark]: Boogie Preprocessor took 124.88 ms. Allocated memory is still 200.3 MB. Free memory was 161.4 MB in the beginning and 156.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:38:12,663 INFO L168 Benchmark]: RCFGBuilder took 1464.66 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 156.9 MB in the beginning and 155.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:38:12,664 INFO L168 Benchmark]: TraceAbstraction took 25154.47 ms. Allocated memory was 223.9 MB in the beginning and 642.3 MB in the end (delta: 418.4 MB). Free memory was 155.6 MB in the beginning and 189.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 384.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:38:12,666 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 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 728.52 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 161.4 MB in the end (delta: -74.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.88 ms. Allocated memory is still 200.3 MB. Free memory was 161.4 MB in the beginning and 156.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1464.66 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 156.9 MB in the beginning and 155.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25154.47 ms. Allocated memory was 223.9 MB in the beginning and 642.3 MB in the end (delta: 418.4 MB). Free memory was 155.6 MB in the beginning and 189.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 384.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1626]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L41] int FloppyThread ; [L42] int KernelMode ; [L43] int Suspended ; [L44] int Executive ; [L45] int DiskController ; [L46] int FloppyDiskPeripheral ; [L47] int FlConfigCallBack ; [L48] int MaximumInterfaceType ; [L49] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L50] int myStatus ; [L51] int s ; [L52] int UNLOADED ; [L53] int NP ; [L54] int DC ; [L55] int SKIP1 ; [L56] int SKIP2 ; [L57] int MPR1 ; [L58] int MPR3 ; [L59] int IPC ; [L60] int pended ; [L61] int compRegistered ; [L62] int lowerDriverReturn ; [L63] int setEventCalled ; [L64] int customIrp ; [L87] int PagingReferenceCount = 0; [L88] int PagingMutex = 0; VAL [\old(compRegistered)=277, \old(customIrp)=280, \old(DC)=274, \old(DiskController)=276, \old(Executive)=278, \old(FlConfigCallBack)=265, \old(FloppyDiskPeripheral)=275, \old(FloppyThread)=261, \old(IPC)=262, \old(KernelMode)=272, \old(lowerDriverReturn)=285, \old(MaximumInterfaceType)=284, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=260, \old(MPR1)=268, \old(MPR3)=281, \old(myStatus)=283, \old(NP)=279, \old(PagingMutex)=266, \old(PagingReferenceCount)=270, \old(pended)=271, \old(s)=263, \old(setEventCalled)=282, \old(SKIP1)=267, \old(SKIP2)=264, \old(Suspended)=269, \old(UNLOADED)=273, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L667] int status ; [L668] int irp = __VERIFIER_nondet_int() ; [L669] int pirp ; [L670] int pirp__IoStatus__Status ; [L671] int irp_choice = __VERIFIER_nondet_int() ; [L672] int devobj = __VERIFIER_nondet_int() ; [L673] int __cil_tmp8 ; [L675] FloppyThread = 0 [L676] KernelMode = 0 [L677] Suspended = 0 [L678] Executive = 0 [L679] DiskController = 0 [L680] FloppyDiskPeripheral = 0 [L681] FlConfigCallBack = 0 [L682] MaximumInterfaceType = 0 [L683] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L684] myStatus = 0 [L685] s = 0 [L686] UNLOADED = 0 [L687] NP = 0 [L688] DC = 0 [L689] SKIP1 = 0 [L690] SKIP2 = 0 [L691] MPR1 = 0 [L692] MPR3 = 0 [L693] IPC = 0 [L694] pended = 0 [L695] compRegistered = 0 [L696] lowerDriverReturn = 0 [L697] setEventCalled = 0 [L698] customIrp = 0 [L702] status = 0 [L703] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L704] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L70] UNLOADED = 0 [L71] NP = 1 [L72] DC = 2 [L73] SKIP1 = 3 [L74] SKIP2 = 4 [L75] MPR1 = 5 [L76] MPR3 = 6 [L77] IPC = 7 [L78] s = UNLOADED [L79] pended = 0 [L80] compRegistered = 0 [L81] lowerDriverReturn = 0 [L82] setEventCalled = 0 [L83] customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L704] 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] [L706] COND TRUE status >= 0 [L707] s = NP [L708] customIrp = 0 [L709] setEventCalled = customIrp [L710] lowerDriverReturn = setEventCalled [L711] compRegistered = lowerDriverReturn [L712] pended = compRegistered [L713] pirp__IoStatus__Status = 0 [L714] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L715] COND TRUE irp_choice == 0 [L716] pirp__IoStatus__Status = -1073741637 [L717] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L720] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L657] s = NP [L658] pended = 0 [L659] compRegistered = 0 [L660] lowerDriverReturn = 0 [L661] setEventCalled = 0 [L662] customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L720] 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] [L723] COND FALSE !(status < 0) [L727] int tmp_ndt_1; [L728] tmp_ndt_1 = __VERIFIER_nondet_int() [L729] COND FALSE !(tmp_ndt_1 == 0) [L732] int tmp_ndt_2; [L733] tmp_ndt_2 = __VERIFIER_nondet_int() [L734] COND FALSE !(tmp_ndt_2 == 1) [L737] int tmp_ndt_3; [L738] tmp_ndt_3 = __VERIFIER_nondet_int() [L739] COND FALSE !(tmp_ndt_3 == 2) [L742] int tmp_ndt_4; [L743] tmp_ndt_4 = __VERIFIER_nondet_int() [L744] COND TRUE tmp_ndt_4 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L160] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L161] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L162] int Irp__IoStatus__Information ; [L163] int Irp__IoStatus__Status ; [L164] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L165] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L166] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L167] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L168] int disketteExtension__HoldNewRequests ; [L169] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L170] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L171] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L172] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L173] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L174] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L175] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L176] int irpSp ; [L177] int disketteExtension ; [L178] int ntStatus ; [L179] int doneEvent = __VERIFIER_nondet_int() ; [L180] int irpSp___0 ; [L181] int nextIrpSp ; [L182] int nextIrpSp__Control ; [L183] int irpSp___1 ; [L184] int irpSp__Context ; [L185] int irpSp__Control ; [L186] long __cil_tmp29 ; [L187] long __cil_tmp30 ; [L190] ntStatus = 0 [L191] PagingReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L192] COND TRUE PagingReferenceCount == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] disketteExtension = DeviceObject__DeviceExtension [L196] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L197] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L206] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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 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] [L235] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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 FALSE !(! disketteExtension__IsStarted) [L254] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L255] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L97] int status ; [L98] int threadHandle = __VERIFIER_nondet_int() ; [L99] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L100] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L101] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L102] int Irp__IoStatus__Status ; [L103] int Irp__IoStatus__Information ; [L104] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L105] int ObjAttributes = __VERIFIER_nondet_int() ; [L106] int __cil_tmp12 ; [L107] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-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] [L110] COND FALSE !(DisketteExtension__PoweringDown == 1) [L116] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-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] [L117] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-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] [L149] COND TRUE pended == 0 [L150] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-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] [L156] 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] [L255] 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] [L255] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L258] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L259] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] [L261-L262] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1065] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1074] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1078] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1085] int tmp_ndt_12; [L1086] tmp_ndt_12 = __VERIFIER_nondet_int() [L1087] COND FALSE !(tmp_ndt_12 == 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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_12=1, UNLOADED=0, WaitMode=0, WaitReason=0] [L1095] return (-1073741823); 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=-1073741823, 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_12=1, UNLOADED=0, WaitMode=0, WaitReason=0] [L261-L262] 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)=-1073741823, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L264] COND 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] [L267] disketteExtension__FloppyThread = 0 [L268] Irp__IoStatus__Status = 0 [L269] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L270] COND TRUE s == NP [L271] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L278] Irp__CurrentLocation ++ [L279] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L967] int returnVal2 ; [L968] int compRetStatus1 ; [L969] int lcontext = __VERIFIER_nondet_int() ; [L970] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L973] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L986] int tmp_ndt_10; [L987] tmp_ndt_10 = __VERIFIER_nondet_int() [L988] COND TRUE tmp_ndt_10 == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L999] returnVal2 = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1012] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1016] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1025] COND TRUE s == SKIP1 [L1026] s = SKIP2 [L1027] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1035] return (returnVal2); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L280] 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] [L280] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L426] PagingReferenceCount -- VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L427] COND TRUE PagingReferenceCount == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L430] return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L766] 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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] status = FloppyPnp(devobj, pirp) [L779] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L780] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L787] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L788] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L795] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L796] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L797] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L811] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L812] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L813] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1626] __VERIFIER_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 393 locations, 1 error locations. UNSAFE Result, 25.0s OverallTime, 58 OverallIterations, 1 TraceHistogramMax, 17.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25911 SDtfs, 13830 SDslu, 78944 SDs, 0 SdLazy, 15478 SolverSat, 2422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 146 SyntacticMatches, 7 SemanticMatches, 359 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=929occurred in iteration=11, 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: 1.1s AutomataMinimizationTime, 57 MinimizatonAttempts, 1814 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3305 NumberOfCodeBlocks, 3305 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 3163 ConstructedInterpolants, 0 QuantifiedInterpolants, 384092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 57 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...