/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:14:42,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:14:42,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:14:42,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:14:42,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:14:42,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:14:42,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:14:42,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:14:42,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:14:42,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:14:42,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:14:42,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:14:42,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:14:42,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:14:42,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:14:42,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:14:42,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:14:42,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:14:42,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:14:42,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:14:42,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:14:42,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:14:42,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:14:42,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:14:42,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:14:42,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:14:42,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:14:42,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:14:42,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:14:42,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:14:42,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:14:42,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:14:42,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:14:42,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:14:42,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:14:42,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:14:42,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:14:42,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:14:42,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:14:42,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:14:42,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:14:43,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:14:43,006 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:14:43,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:14:43,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:14:43,007 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:14:43,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:14:43,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:14:43,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:14:43,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:14:43,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:14:43,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:14:43,008 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:14:43,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:14:43,009 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:14:43,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:14:43,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:14:43,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:14:43,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:14:43,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:14:43,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:14:43,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:14:43,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:14:43,010 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:14:43,011 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:14:43,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:14:43,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:14:43,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:14:43,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:14:43,195 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:14:43,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2022-01-31 16:14:43,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ba03dd5/3a142a9ab0984e7e82d316de151ef136/FLAGe59e12e19 [2022-01-31 16:14:43,656 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:14:43,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2022-01-31 16:14:43,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ba03dd5/3a142a9ab0984e7e82d316de151ef136/FLAGe59e12e19 [2022-01-31 16:14:43,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ba03dd5/3a142a9ab0984e7e82d316de151ef136 [2022-01-31 16:14:43,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:14:43,676 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:14:43,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:14:43,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:14:43,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:14:43,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:14:43" (1/1) ... [2022-01-31 16:14:43,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b70dec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:43, skipping insertion in model container [2022-01-31 16:14:43,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:14:43" (1/1) ... [2022-01-31 16:14:43,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:14:43,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:14:43,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2022-01-31 16:14:43,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:14:43,935 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:14:43,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2022-01-31 16:14:44,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:14:44,011 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:14:44,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:44 WrapperNode [2022-01-31 16:14:44,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:14:44,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:14:44,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:14:44,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:14:44,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:44" (1/1) ... [2022-01-31 16:14:44,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:44" (1/1) ... [2022-01-31 16:14:44,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:44" (1/1) ... [2022-01-31 16:14:44,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:44" (1/1) ... [2022-01-31 16:14:44,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:44" (1/1) ... [2022-01-31 16:14:44,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:44" (1/1) ... [2022-01-31 16:14:44,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:44" (1/1) ... [2022-01-31 16:14:44,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:14:44,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:14:44,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:14:44,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:14:44,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:44" (1/1) ... [2022-01-31 16:14:44,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:14:44,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:14:44,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 16:14:44,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 16:14:44,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:14:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:14:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:14:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-01-31 16:14:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-01-31 16:14:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2022-01-31 16:14:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2022-01-31 16:14:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2022-01-31 16:14:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2022-01-31 16:14:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2022-01-31 16:14:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2022-01-31 16:14:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2022-01-31 16:14:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-01-31 16:14:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:14:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-01-31 16:14:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-01-31 16:14:44,173 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-01-31 16:14:44,173 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-01-31 16:14:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-01-31 16:14:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-01-31 16:14:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-01-31 16:14:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-01-31 16:14:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-01-31 16:14:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-01-31 16:14:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-01-31 16:14:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-01-31 16:14:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-01-31 16:14:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:14:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:14:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:14:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:14:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-01-31 16:14:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 16:14:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-01-31 16:14:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-01-31 16:14:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:14:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:14:44,345 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:14:44,346 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:14:44,368 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,390 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 16:14:44,390 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 16:14:44,396 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,402 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 16:14:44,403 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 16:14:44,406 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-01-31 16:14:44,517 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-01-31 16:14:44,518 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,568 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2022-01-31 16:14:44,569 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2022-01-31 16:14:44,574 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,583 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-01-31 16:14:44,583 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-01-31 16:14:44,627 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,632 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 16:14:44,632 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 16:14:44,632 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,639 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 16:14:44,640 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 16:14:44,640 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,646 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 16:14:44,646 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 16:14:44,672 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,690 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-01-31 16:14:44,690 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-01-31 16:14:44,714 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,720 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 16:14:44,721 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 16:14:44,721 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,737 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 16:14:44,737 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 16:14:44,737 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 16:14:44,740 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-31 16:14:44,740 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-31 16:14:44,754 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:14:44,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:14:44,767 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-31 16:14:44,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:14:44 BoogieIcfgContainer [2022-01-31 16:14:44,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:14:44,770 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:14:44,770 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:14:44,771 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:14:44,773 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:14:44" (1/1) ... [2022-01-31 16:14:44,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:14:44 BasicIcfg [2022-01-31 16:14:44,805 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:14:44,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:14:44,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:14:44,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:14:44,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:14:43" (1/4) ... [2022-01-31 16:14:44,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5f2be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:14:44, skipping insertion in model container [2022-01-31 16:14:44,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:14:44" (2/4) ... [2022-01-31 16:14:44,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5f2be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:14:44, skipping insertion in model container [2022-01-31 16:14:44,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:14:44" (3/4) ... [2022-01-31 16:14:44,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5f2be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:14:44, skipping insertion in model container [2022-01-31 16:14:44,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:14:44" (4/4) ... [2022-01-31 16:14:44,810 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.cJordan [2022-01-31 16:14:44,813 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:14:44,813 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:14:44,842 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:14:44,846 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-31 16:14:44,846 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:14:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 219 states have (on average 1.4246575342465753) internal successors, (312), 242 states have internal predecessors, (312), 57 states have call successors, (57), 24 states have call predecessors, (57), 24 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2022-01-31 16:14:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-31 16:14:44,864 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:44,865 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:14:44,865 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:44,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:44,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1586821705, now seen corresponding path program 1 times [2022-01-31 16:14:44,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:44,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714586730] [2022-01-31 16:14:44,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:44,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:45,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:45,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:45,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714586730] [2022-01-31 16:14:45,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714586730] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:45,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:45,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 16:14:45,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579886521] [2022-01-31 16:14:45,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:45,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 16:14:45,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:45,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 16:14:45,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:14:45,223 INFO L87 Difference]: Start difference. First operand has 302 states, 219 states have (on average 1.4246575342465753) internal successors, (312), 242 states have internal predecessors, (312), 57 states have call successors, (57), 24 states have call predecessors, (57), 24 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 16:14:46,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:46,101 INFO L93 Difference]: Finished difference Result 330 states and 448 transitions. [2022-01-31 16:14:46,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:14:46,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-01-31 16:14:46,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:46,113 INFO L225 Difference]: With dead ends: 330 [2022-01-31 16:14:46,113 INFO L226 Difference]: Without dead ends: 324 [2022-01-31 16:14:46,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:14:46,117 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 154 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:46,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 575 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 16:14:46,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-01-31 16:14:46,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 294. [2022-01-31 16:14:46,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 214 states have (on average 1.3738317757009346) internal successors, (294), 235 states have internal predecessors, (294), 57 states have call successors, (57), 24 states have call predecessors, (57), 22 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2022-01-31 16:14:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 388 transitions. [2022-01-31 16:14:46,176 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 388 transitions. Word has length 20 [2022-01-31 16:14:46,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:46,176 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 388 transitions. [2022-01-31 16:14:46,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 16:14:46,176 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 388 transitions. [2022-01-31 16:14:46,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-31 16:14:46,177 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:46,177 INFO L514 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] [2022-01-31 16:14:46,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:14:46,178 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:46,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:46,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1593983850, now seen corresponding path program 1 times [2022-01-31 16:14:46,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:46,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341515998] [2022-01-31 16:14:46,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:46,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:46,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:46,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:46,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341515998] [2022-01-31 16:14:46,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341515998] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:46,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:46,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 16:14:46,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491040724] [2022-01-31 16:14:46,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:46,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 16:14:46,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:46,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 16:14:46,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 16:14:46,377 INFO L87 Difference]: Start difference. First operand 294 states and 388 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 16:14:47,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:47,266 INFO L93 Difference]: Finished difference Result 481 states and 642 transitions. [2022-01-31 16:14:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 16:14:47,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-01-31 16:14:47,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:47,270 INFO L225 Difference]: With dead ends: 481 [2022-01-31 16:14:47,270 INFO L226 Difference]: Without dead ends: 480 [2022-01-31 16:14:47,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-31 16:14:47,271 INFO L933 BasicCegarLoop]: 490 mSDtfsCounter, 576 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:47,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [582 Valid, 733 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 16:14:47,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-01-31 16:14:47,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 431. [2022-01-31 16:14:47,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 329 states have (on average 1.3161094224924013) internal successors, (433), 336 states have internal predecessors, (433), 66 states have call successors, (66), 37 states have call predecessors, (66), 35 states have return successors, (74), 59 states have call predecessors, (74), 54 states have call successors, (74) [2022-01-31 16:14:47,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 573 transitions. [2022-01-31 16:14:47,294 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 573 transitions. Word has length 28 [2022-01-31 16:14:47,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:47,295 INFO L470 AbstractCegarLoop]: Abstraction has 431 states and 573 transitions. [2022-01-31 16:14:47,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 16:14:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 573 transitions. [2022-01-31 16:14:47,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-31 16:14:47,296 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:47,296 INFO L514 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] [2022-01-31 16:14:47,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:14:47,296 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:47,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:47,296 INFO L85 PathProgramCache]: Analyzing trace with hash -149155043, now seen corresponding path program 1 times [2022-01-31 16:14:47,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:47,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506544460] [2022-01-31 16:14:47,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:47,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:47,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:47,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:47,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506544460] [2022-01-31 16:14:47,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506544460] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:47,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:47,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 16:14:47,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440088076] [2022-01-31 16:14:47,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:47,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 16:14:47,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:47,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 16:14:47,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 16:14:47,497 INFO L87 Difference]: Start difference. First operand 431 states and 573 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 16:14:48,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:48,062 INFO L93 Difference]: Finished difference Result 679 states and 906 transitions. [2022-01-31 16:14:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 16:14:48,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2022-01-31 16:14:48,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:48,067 INFO L225 Difference]: With dead ends: 679 [2022-01-31 16:14:48,067 INFO L226 Difference]: Without dead ends: 679 [2022-01-31 16:14:48,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-31 16:14:48,068 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 645 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:48,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [652 Valid, 558 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 16:14:48,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2022-01-31 16:14:48,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 634. [2022-01-31 16:14:48,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 494 states have (on average 1.3157894736842106) internal successors, (650), 499 states have internal predecessors, (650), 86 states have call successors, (86), 55 states have call predecessors, (86), 53 states have return successors, (112), 81 states have call predecessors, (112), 76 states have call successors, (112) [2022-01-31 16:14:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 848 transitions. [2022-01-31 16:14:48,088 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 848 transitions. Word has length 30 [2022-01-31 16:14:48,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:48,088 INFO L470 AbstractCegarLoop]: Abstraction has 634 states and 848 transitions. [2022-01-31 16:14:48,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 16:14:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 848 transitions. [2022-01-31 16:14:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-31 16:14:48,089 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:48,089 INFO L514 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] [2022-01-31 16:14:48,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 16:14:48,089 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:48,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:48,090 INFO L85 PathProgramCache]: Analyzing trace with hash 2019248335, now seen corresponding path program 1 times [2022-01-31 16:14:48,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:48,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718373176] [2022-01-31 16:14:48,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:48,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:48,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:48,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718373176] [2022-01-31 16:14:48,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718373176] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:48,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:48,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 16:14:48,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268496846] [2022-01-31 16:14:48,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:48,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 16:14:48,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:48,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 16:14:48,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 16:14:48,197 INFO L87 Difference]: Start difference. First operand 634 states and 848 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 16:14:48,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:48,906 INFO L93 Difference]: Finished difference Result 685 states and 924 transitions. [2022-01-31 16:14:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 16:14:48,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2022-01-31 16:14:48,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:48,909 INFO L225 Difference]: With dead ends: 685 [2022-01-31 16:14:48,909 INFO L226 Difference]: Without dead ends: 685 [2022-01-31 16:14:48,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-31 16:14:48,910 INFO L933 BasicCegarLoop]: 354 mSDtfsCounter, 253 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:48,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 633 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:14:48,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2022-01-31 16:14:48,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 635. [2022-01-31 16:14:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 495 states have (on average 1.3151515151515152) internal successors, (651), 500 states have internal predecessors, (651), 86 states have call successors, (86), 55 states have call predecessors, (86), 53 states have return successors, (112), 81 states have call predecessors, (112), 76 states have call successors, (112) [2022-01-31 16:14:48,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 849 transitions. [2022-01-31 16:14:48,926 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 849 transitions. Word has length 34 [2022-01-31 16:14:48,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:48,926 INFO L470 AbstractCegarLoop]: Abstraction has 635 states and 849 transitions. [2022-01-31 16:14:48,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 16:14:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 849 transitions. [2022-01-31 16:14:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-31 16:14:48,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:48,928 INFO L514 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] [2022-01-31 16:14:48,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-31 16:14:48,928 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:48,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:48,928 INFO L85 PathProgramCache]: Analyzing trace with hash -468264498, now seen corresponding path program 1 times [2022-01-31 16:14:48,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:48,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906911472] [2022-01-31 16:14:48,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:48,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:49,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:49,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:49,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906911472] [2022-01-31 16:14:49,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906911472] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:49,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:49,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 16:14:49,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730956191] [2022-01-31 16:14:49,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:49,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 16:14:49,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:49,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 16:14:49,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 16:14:49,037 INFO L87 Difference]: Start difference. First operand 635 states and 849 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 16:14:49,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:49,720 INFO L93 Difference]: Finished difference Result 724 states and 957 transitions. [2022-01-31 16:14:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 16:14:49,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2022-01-31 16:14:49,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:49,725 INFO L225 Difference]: With dead ends: 724 [2022-01-31 16:14:49,725 INFO L226 Difference]: Without dead ends: 724 [2022-01-31 16:14:49,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-31 16:14:49,734 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 586 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:49,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [593 Valid, 450 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 16:14:49,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2022-01-31 16:14:49,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 679. [2022-01-31 16:14:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 533 states have (on average 1.3189493433395871) internal successors, (703), 544 states have internal predecessors, (703), 87 states have call successors, (87), 57 states have call predecessors, (87), 58 states have return successors, (117), 80 states have call predecessors, (117), 78 states have call successors, (117) [2022-01-31 16:14:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 907 transitions. [2022-01-31 16:14:49,768 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 907 transitions. Word has length 34 [2022-01-31 16:14:49,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:49,769 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 907 transitions. [2022-01-31 16:14:49,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 16:14:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 907 transitions. [2022-01-31 16:14:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-31 16:14:49,775 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:49,775 INFO L514 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] [2022-01-31 16:14:49,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-31 16:14:49,775 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:49,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1317256940, now seen corresponding path program 1 times [2022-01-31 16:14:49,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:49,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631405063] [2022-01-31 16:14:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:49,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:49,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:49,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:49,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631405063] [2022-01-31 16:14:49,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631405063] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:49,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:49,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 16:14:49,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018927522] [2022-01-31 16:14:49,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:49,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 16:14:49,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:49,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 16:14:49,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 16:14:49,925 INFO L87 Difference]: Start difference. First operand 679 states and 907 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 16:14:50,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:50,459 INFO L93 Difference]: Finished difference Result 703 states and 937 transitions. [2022-01-31 16:14:50,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 16:14:50,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2022-01-31 16:14:50,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:50,462 INFO L225 Difference]: With dead ends: 703 [2022-01-31 16:14:50,462 INFO L226 Difference]: Without dead ends: 703 [2022-01-31 16:14:50,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-31 16:14:50,463 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 380 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:50,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [383 Valid, 569 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 16:14:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2022-01-31 16:14:50,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 690. [2022-01-31 16:14:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 544 states have (on average 1.318014705882353) internal successors, (717), 554 states have internal predecessors, (717), 87 states have call successors, (87), 58 states have call predecessors, (87), 58 states have return successors, (117), 80 states have call predecessors, (117), 78 states have call successors, (117) [2022-01-31 16:14:50,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 921 transitions. [2022-01-31 16:14:50,487 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 921 transitions. Word has length 40 [2022-01-31 16:14:50,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:50,488 INFO L470 AbstractCegarLoop]: Abstraction has 690 states and 921 transitions. [2022-01-31 16:14:50,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-31 16:14:50,488 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 921 transitions. [2022-01-31 16:14:50,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-31 16:14:50,490 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:50,490 INFO L514 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] [2022-01-31 16:14:50,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-31 16:14:50,490 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:50,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:50,490 INFO L85 PathProgramCache]: Analyzing trace with hash 291374002, now seen corresponding path program 1 times [2022-01-31 16:14:50,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:50,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554305987] [2022-01-31 16:14:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:50,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:50,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:50,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:50,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:50,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-01-31 16:14:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:50,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:50,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554305987] [2022-01-31 16:14:50,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554305987] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:50,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:50,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-31 16:14:50,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094471540] [2022-01-31 16:14:50,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:50,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-31 16:14:50,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:50,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-31 16:14:50,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-01-31 16:14:50,648 INFO L87 Difference]: Start difference. First operand 690 states and 921 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 16:14:51,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:51,390 INFO L93 Difference]: Finished difference Result 716 states and 951 transitions. [2022-01-31 16:14:51,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-31 16:14:51,390 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2022-01-31 16:14:51,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:51,393 INFO L225 Difference]: With dead ends: 716 [2022-01-31 16:14:51,393 INFO L226 Difference]: Without dead ends: 716 [2022-01-31 16:14:51,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:14:51,394 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 360 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:51,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 738 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 16:14:51,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-01-31 16:14:51,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 694. [2022-01-31 16:14:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 547 states have (on average 1.3162705667276051) internal successors, (720), 557 states have internal predecessors, (720), 87 states have call successors, (87), 58 states have call predecessors, (87), 59 states have return successors, (118), 81 states have call predecessors, (118), 78 states have call successors, (118) [2022-01-31 16:14:51,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 925 transitions. [2022-01-31 16:14:51,406 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 925 transitions. Word has length 41 [2022-01-31 16:14:51,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:51,406 INFO L470 AbstractCegarLoop]: Abstraction has 694 states and 925 transitions. [2022-01-31 16:14:51,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 16:14:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 925 transitions. [2022-01-31 16:14:51,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-31 16:14:51,407 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:51,407 INFO L514 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] [2022-01-31 16:14:51,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-31 16:14:51,408 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:51,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:51,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1620668477, now seen corresponding path program 1 times [2022-01-31 16:14:51,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:51,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299412099] [2022-01-31 16:14:51,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:51,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:51,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:51,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:14:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:51,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-01-31 16:14:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:51,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:51,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299412099] [2022-01-31 16:14:51,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299412099] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:51,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:51,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-31 16:14:51,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694213809] [2022-01-31 16:14:51,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:51,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-31 16:14:51,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:51,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-31 16:14:51,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-31 16:14:51,561 INFO L87 Difference]: Start difference. First operand 694 states and 925 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:14:52,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:52,082 INFO L93 Difference]: Finished difference Result 764 states and 1012 transitions. [2022-01-31 16:14:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 16:14:52,083 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2022-01-31 16:14:52,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:52,085 INFO L225 Difference]: With dead ends: 764 [2022-01-31 16:14:52,085 INFO L226 Difference]: Without dead ends: 764 [2022-01-31 16:14:52,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-31 16:14:52,086 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 504 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:52,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [507 Valid, 623 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 16:14:52,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-01-31 16:14:52,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 733. [2022-01-31 16:14:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 580 states have (on average 1.313793103448276) internal successors, (762), 593 states have internal predecessors, (762), 87 states have call successors, (87), 58 states have call predecessors, (87), 65 states have return successors, (124), 83 states have call predecessors, (124), 78 states have call successors, (124) [2022-01-31 16:14:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 973 transitions. [2022-01-31 16:14:52,100 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 973 transitions. Word has length 41 [2022-01-31 16:14:52,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:52,100 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 973 transitions. [2022-01-31 16:14:52,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:14:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 973 transitions. [2022-01-31 16:14:52,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-31 16:14:52,101 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:52,101 INFO L514 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] [2022-01-31 16:14:52,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-31 16:14:52,102 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:52,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:52,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1267362978, now seen corresponding path program 1 times [2022-01-31 16:14:52,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:52,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864583699] [2022-01-31 16:14:52,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:52,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:52,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:14:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-01-31 16:14:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:52,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:52,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864583699] [2022-01-31 16:14:52,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864583699] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:52,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:52,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-31 16:14:52,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187032631] [2022-01-31 16:14:52,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:52,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-31 16:14:52,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:52,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-31 16:14:52,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:14:52,301 INFO L87 Difference]: Start difference. First operand 733 states and 973 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 16:14:53,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:53,280 INFO L93 Difference]: Finished difference Result 764 states and 1010 transitions. [2022-01-31 16:14:53,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-31 16:14:53,281 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2022-01-31 16:14:53,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:53,283 INFO L225 Difference]: With dead ends: 764 [2022-01-31 16:14:53,283 INFO L226 Difference]: Without dead ends: 764 [2022-01-31 16:14:53,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-01-31 16:14:53,284 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 1070 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:53,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1080 Valid, 787 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:14:53,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-01-31 16:14:53,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 733. [2022-01-31 16:14:53,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 580 states have (on average 1.3103448275862069) internal successors, (760), 593 states have internal predecessors, (760), 87 states have call successors, (87), 58 states have call predecessors, (87), 65 states have return successors, (124), 83 states have call predecessors, (124), 78 states have call successors, (124) [2022-01-31 16:14:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 971 transitions. [2022-01-31 16:14:53,298 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 971 transitions. Word has length 42 [2022-01-31 16:14:53,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:53,298 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 971 transitions. [2022-01-31 16:14:53,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 16:14:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 971 transitions. [2022-01-31 16:14:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-31 16:14:53,299 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:53,299 INFO L514 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] [2022-01-31 16:14:53,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-31 16:14:53,300 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:53,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:53,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1584928940, now seen corresponding path program 1 times [2022-01-31 16:14:53,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:53,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662072367] [2022-01-31 16:14:53,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:53,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:53,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:53,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:14:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-01-31 16:14:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:53,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:53,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662072367] [2022-01-31 16:14:53,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662072367] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:53,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:53,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-31 16:14:53,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615504654] [2022-01-31 16:14:53,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:53,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-31 16:14:53,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:53,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-31 16:14:53,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:14:53,526 INFO L87 Difference]: Start difference. First operand 733 states and 971 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 16:14:54,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:54,497 INFO L93 Difference]: Finished difference Result 764 states and 1008 transitions. [2022-01-31 16:14:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-31 16:14:54,498 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2022-01-31 16:14:54,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:54,500 INFO L225 Difference]: With dead ends: 764 [2022-01-31 16:14:54,500 INFO L226 Difference]: Without dead ends: 764 [2022-01-31 16:14:54,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-01-31 16:14:54,501 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 775 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:54,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [785 Valid, 631 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:14:54,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-01-31 16:14:54,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 733. [2022-01-31 16:14:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 580 states have (on average 1.306896551724138) internal successors, (758), 593 states have internal predecessors, (758), 87 states have call successors, (87), 58 states have call predecessors, (87), 65 states have return successors, (124), 83 states have call predecessors, (124), 78 states have call successors, (124) [2022-01-31 16:14:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 969 transitions. [2022-01-31 16:14:54,518 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 969 transitions. Word has length 43 [2022-01-31 16:14:54,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:54,518 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 969 transitions. [2022-01-31 16:14:54,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 16:14:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 969 transitions. [2022-01-31 16:14:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-31 16:14:54,519 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:54,519 INFO L514 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] [2022-01-31 16:14:54,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-31 16:14:54,520 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:54,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:54,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1688052930, now seen corresponding path program 1 times [2022-01-31 16:14:54,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:54,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370787606] [2022-01-31 16:14:54,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:54,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:54,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-01-31 16:14:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:54,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:54,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370787606] [2022-01-31 16:14:54,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370787606] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:54,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:54,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-31 16:14:54,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616675053] [2022-01-31 16:14:54,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:54,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-31 16:14:54,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:54,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-31 16:14:54,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-31 16:14:54,644 INFO L87 Difference]: Start difference. First operand 733 states and 969 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 16:14:55,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:55,423 INFO L93 Difference]: Finished difference Result 1107 states and 1480 transitions. [2022-01-31 16:14:55,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-31 16:14:55,424 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2022-01-31 16:14:55,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:55,428 INFO L225 Difference]: With dead ends: 1107 [2022-01-31 16:14:55,428 INFO L226 Difference]: Without dead ends: 1107 [2022-01-31 16:14:55,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-01-31 16:14:55,429 INFO L933 BasicCegarLoop]: 440 mSDtfsCounter, 656 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:55,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [669 Valid, 647 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:14:55,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2022-01-31 16:14:55,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 846. [2022-01-31 16:14:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 671 states have (on average 1.3144560357675112) internal successors, (882), 686 states have internal predecessors, (882), 97 states have call successors, (97), 68 states have call predecessors, (97), 77 states have return successors, (144), 93 states have call predecessors, (144), 88 states have call successors, (144) [2022-01-31 16:14:55,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1123 transitions. [2022-01-31 16:14:55,446 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1123 transitions. Word has length 44 [2022-01-31 16:14:55,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:55,447 INFO L470 AbstractCegarLoop]: Abstraction has 846 states and 1123 transitions. [2022-01-31 16:14:55,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-31 16:14:55,447 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1123 transitions. [2022-01-31 16:14:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-31 16:14:55,448 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:55,448 INFO L514 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] [2022-01-31 16:14:55,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-31 16:14:55,448 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:55,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:55,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1627203032, now seen corresponding path program 1 times [2022-01-31 16:14:55,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:55,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063466786] [2022-01-31 16:14:55,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:55,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:55,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:14:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-01-31 16:14:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:55,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:55,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063466786] [2022-01-31 16:14:55,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063466786] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:55,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:55,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 16:14:55,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122011953] [2022-01-31 16:14:55,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:55,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 16:14:55,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:55,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 16:14:55,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-31 16:14:55,596 INFO L87 Difference]: Start difference. First operand 846 states and 1123 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:14:56,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:56,232 INFO L93 Difference]: Finished difference Result 886 states and 1171 transitions. [2022-01-31 16:14:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-31 16:14:56,233 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 44 [2022-01-31 16:14:56,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:56,235 INFO L225 Difference]: With dead ends: 886 [2022-01-31 16:14:56,235 INFO L226 Difference]: Without dead ends: 871 [2022-01-31 16:14:56,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-31 16:14:56,236 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 474 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:56,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [477 Valid, 1083 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 16:14:56,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-01-31 16:14:56,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 844. [2022-01-31 16:14:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 670 states have (on average 1.3134328358208955) internal successors, (880), 685 states have internal predecessors, (880), 96 states have call successors, (96), 68 states have call predecessors, (96), 77 states have return successors, (143), 92 states have call predecessors, (143), 87 states have call successors, (143) [2022-01-31 16:14:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1119 transitions. [2022-01-31 16:14:56,255 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1119 transitions. Word has length 44 [2022-01-31 16:14:56,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:56,255 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 1119 transitions. [2022-01-31 16:14:56,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:14:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1119 transitions. [2022-01-31 16:14:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-31 16:14:56,256 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:56,256 INFO L514 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] [2022-01-31 16:14:56,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-31 16:14:56,256 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:56,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:56,257 INFO L85 PathProgramCache]: Analyzing trace with hash -821084774, now seen corresponding path program 1 times [2022-01-31 16:14:56,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:56,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541508946] [2022-01-31 16:14:56,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:56,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:56,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-01-31 16:14:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:56,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:56,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541508946] [2022-01-31 16:14:56,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541508946] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:56,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:56,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 16:14:56,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940521082] [2022-01-31 16:14:56,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:56,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 16:14:56,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:56,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 16:14:56,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-31 16:14:56,454 INFO L87 Difference]: Start difference. First operand 844 states and 1119 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-31 16:14:58,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:58,014 INFO L93 Difference]: Finished difference Result 898 states and 1175 transitions. [2022-01-31 16:14:58,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 16:14:58,014 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2022-01-31 16:14:58,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:58,017 INFO L225 Difference]: With dead ends: 898 [2022-01-31 16:14:58,017 INFO L226 Difference]: Without dead ends: 898 [2022-01-31 16:14:58,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-01-31 16:14:58,017 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 1067 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 1805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:58,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1079 Valid, 663 Invalid, 1805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 1438 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-31 16:14:58,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2022-01-31 16:14:58,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 835. [2022-01-31 16:14:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 661 states have (on average 1.2995461422087746) internal successors, (859), 676 states have internal predecessors, (859), 96 states have call successors, (96), 68 states have call predecessors, (96), 77 states have return successors, (143), 92 states have call predecessors, (143), 87 states have call successors, (143) [2022-01-31 16:14:58,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1098 transitions. [2022-01-31 16:14:58,032 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1098 transitions. Word has length 45 [2022-01-31 16:14:58,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:58,033 INFO L470 AbstractCegarLoop]: Abstraction has 835 states and 1098 transitions. [2022-01-31 16:14:58,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-31 16:14:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1098 transitions. [2022-01-31 16:14:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-31 16:14:58,033 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:58,034 INFO L514 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] [2022-01-31 16:14:58,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-31 16:14:58,034 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:58,034 INFO L85 PathProgramCache]: Analyzing trace with hash 926060866, now seen corresponding path program 1 times [2022-01-31 16:14:58,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:58,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579118079] [2022-01-31 16:14:58,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:58,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-31 16:14:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:58,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:58,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579118079] [2022-01-31 16:14:58,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579118079] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:58,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:58,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-31 16:14:58,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743533765] [2022-01-31 16:14:58,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:58,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-31 16:14:58,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:58,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-31 16:14:58,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-01-31 16:14:58,156 INFO L87 Difference]: Start difference. First operand 835 states and 1098 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-31 16:14:59,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:59,021 INFO L93 Difference]: Finished difference Result 595 states and 750 transitions. [2022-01-31 16:14:59,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-31 16:14:59,021 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2022-01-31 16:14:59,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:59,023 INFO L225 Difference]: With dead ends: 595 [2022-01-31 16:14:59,023 INFO L226 Difference]: Without dead ends: 595 [2022-01-31 16:14:59,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-01-31 16:14:59,024 INFO L933 BasicCegarLoop]: 383 mSDtfsCounter, 582 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:59,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [589 Valid, 703 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:14:59,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-01-31 16:14:59,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 543. [2022-01-31 16:14:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 430 states have (on average 1.2767441860465116) internal successors, (549), 442 states have internal predecessors, (549), 63 states have call successors, (63), 43 states have call predecessors, (63), 49 states have return successors, (75), 59 states have call predecessors, (75), 54 states have call successors, (75) [2022-01-31 16:14:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 687 transitions. [2022-01-31 16:14:59,032 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 687 transitions. Word has length 49 [2022-01-31 16:14:59,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:59,032 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 687 transitions. [2022-01-31 16:14:59,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-31 16:14:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 687 transitions. [2022-01-31 16:14:59,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-31 16:14:59,033 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:59,033 INFO L514 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] [2022-01-31 16:14:59,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-31 16:14:59,033 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:59,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:59,033 INFO L85 PathProgramCache]: Analyzing trace with hash -399707783, now seen corresponding path program 1 times [2022-01-31 16:14:59,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:59,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574043052] [2022-01-31 16:14:59,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:59,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-01-31 16:14:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 16:14:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-01-31 16:14:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:59,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:59,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574043052] [2022-01-31 16:14:59,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574043052] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:59,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:59,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-31 16:14:59,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507852266] [2022-01-31 16:14:59,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:59,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-31 16:14:59,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:59,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-31 16:14:59,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-31 16:14:59,182 INFO L87 Difference]: Start difference. First operand 543 states and 687 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-01-31 16:14:59,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:14:59,783 INFO L93 Difference]: Finished difference Result 584 states and 740 transitions. [2022-01-31 16:14:59,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-31 16:14:59,783 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2022-01-31 16:14:59,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:14:59,785 INFO L225 Difference]: With dead ends: 584 [2022-01-31 16:14:59,785 INFO L226 Difference]: Without dead ends: 584 [2022-01-31 16:14:59,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:14:59,786 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 452 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:14:59,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [457 Valid, 784 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 16:14:59,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-01-31 16:14:59,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 557. [2022-01-31 16:14:59,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 443 states have (on average 1.2776523702031604) internal successors, (566), 455 states have internal predecessors, (566), 63 states have call successors, (63), 43 states have call predecessors, (63), 50 states have return successors, (78), 59 states have call predecessors, (78), 54 states have call successors, (78) [2022-01-31 16:14:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 707 transitions. [2022-01-31 16:14:59,794 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 707 transitions. Word has length 58 [2022-01-31 16:14:59,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:14:59,794 INFO L470 AbstractCegarLoop]: Abstraction has 557 states and 707 transitions. [2022-01-31 16:14:59,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-01-31 16:14:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 707 transitions. [2022-01-31 16:14:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-31 16:14:59,795 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:14:59,795 INFO L514 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] [2022-01-31 16:14:59,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-31 16:14:59,795 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:14:59,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:14:59,795 INFO L85 PathProgramCache]: Analyzing trace with hash -4114481, now seen corresponding path program 1 times [2022-01-31 16:14:59,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:14:59,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814092] [2022-01-31 16:14:59,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:14:59,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:14:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:14:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:14:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:14:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:14:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-31 16:14:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:14:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:14:59,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:14:59,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814092] [2022-01-31 16:14:59,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814092] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:14:59,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:14:59,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-31 16:14:59,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096925983] [2022-01-31 16:14:59,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:14:59,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-31 16:14:59,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:14:59,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-31 16:14:59,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:14:59,963 INFO L87 Difference]: Start difference. First operand 557 states and 707 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-31 16:15:01,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:01,409 INFO L93 Difference]: Finished difference Result 729 states and 923 transitions. [2022-01-31 16:15:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-31 16:15:01,410 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 52 [2022-01-31 16:15:01,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:01,412 INFO L225 Difference]: With dead ends: 729 [2022-01-31 16:15:01,412 INFO L226 Difference]: Without dead ends: 729 [2022-01-31 16:15:01,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-01-31 16:15:01,413 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 908 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 2203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:01,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [910 Valid, 1239 Invalid, 2203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [379 Valid, 1824 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 16:15:01,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2022-01-31 16:15:01,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 586. [2022-01-31 16:15:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 466 states have (on average 1.2703862660944205) internal successors, (592), 479 states have internal predecessors, (592), 65 states have call successors, (65), 44 states have call predecessors, (65), 54 states have return successors, (83), 63 states have call predecessors, (83), 56 states have call successors, (83) [2022-01-31 16:15:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 740 transitions. [2022-01-31 16:15:01,423 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 740 transitions. Word has length 52 [2022-01-31 16:15:01,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:01,424 INFO L470 AbstractCegarLoop]: Abstraction has 586 states and 740 transitions. [2022-01-31 16:15:01,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-31 16:15:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 740 transitions. [2022-01-31 16:15:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-31 16:15:01,425 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:01,425 INFO L514 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] [2022-01-31 16:15:01,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-31 16:15:01,425 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:01,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:01,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1043769892, now seen corresponding path program 1 times [2022-01-31 16:15:01,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:01,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546119749] [2022-01-31 16:15:01,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:01,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:01,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:01,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-01-31 16:15:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-31 16:15:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 16:15:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:01,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:01,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546119749] [2022-01-31 16:15:01,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546119749] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:01,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:01,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 16:15:01,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024177985] [2022-01-31 16:15:01,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:01,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 16:15:01,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:01,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 16:15:01,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-01-31 16:15:01,617 INFO L87 Difference]: Start difference. First operand 586 states and 740 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (10), 7 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-01-31 16:15:02,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:02,240 INFO L93 Difference]: Finished difference Result 572 states and 716 transitions. [2022-01-31 16:15:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-31 16:15:02,241 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (10), 7 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2022-01-31 16:15:02,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:02,242 INFO L225 Difference]: With dead ends: 572 [2022-01-31 16:15:02,242 INFO L226 Difference]: Without dead ends: 572 [2022-01-31 16:15:02,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-01-31 16:15:02,243 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 549 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:02,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [555 Valid, 1128 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 16:15:02,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-01-31 16:15:02,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 534. [2022-01-31 16:15:02,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 422 states have (on average 1.2630331753554502) internal successors, (533), 432 states have internal predecessors, (533), 62 states have call successors, (62), 43 states have call predecessors, (62), 49 states have return successors, (72), 59 states have call predecessors, (72), 54 states have call successors, (72) [2022-01-31 16:15:02,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 667 transitions. [2022-01-31 16:15:02,251 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 667 transitions. Word has length 61 [2022-01-31 16:15:02,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:02,251 INFO L470 AbstractCegarLoop]: Abstraction has 534 states and 667 transitions. [2022-01-31 16:15:02,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (10), 7 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-01-31 16:15:02,251 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 667 transitions. [2022-01-31 16:15:02,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-31 16:15:02,252 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:02,252 INFO L514 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] [2022-01-31 16:15:02,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-31 16:15:02,252 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:02,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:02,253 INFO L85 PathProgramCache]: Analyzing trace with hash 197420613, now seen corresponding path program 1 times [2022-01-31 16:15:02,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:02,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203376878] [2022-01-31 16:15:02,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:02,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:02,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:02,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-31 16:15:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:02,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:02,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203376878] [2022-01-31 16:15:02,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203376878] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:02,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:02,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 16:15:02,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050701763] [2022-01-31 16:15:02,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:02,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 16:15:02,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:02,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 16:15:02,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-01-31 16:15:02,400 INFO L87 Difference]: Start difference. First operand 534 states and 667 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 16:15:03,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:03,008 INFO L93 Difference]: Finished difference Result 587 states and 741 transitions. [2022-01-31 16:15:03,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-31 16:15:03,008 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2022-01-31 16:15:03,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:03,010 INFO L225 Difference]: With dead ends: 587 [2022-01-31 16:15:03,010 INFO L226 Difference]: Without dead ends: 587 [2022-01-31 16:15:03,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-01-31 16:15:03,011 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 674 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:03,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 689 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 16:15:03,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2022-01-31 16:15:03,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 543. [2022-01-31 16:15:03,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 431 states have (on average 1.2645011600928073) internal successors, (545), 441 states have internal predecessors, (545), 62 states have call successors, (62), 43 states have call predecessors, (62), 49 states have return successors, (72), 59 states have call predecessors, (72), 54 states have call successors, (72) [2022-01-31 16:15:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 679 transitions. [2022-01-31 16:15:03,022 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 679 transitions. Word has length 54 [2022-01-31 16:15:03,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:03,022 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 679 transitions. [2022-01-31 16:15:03,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 16:15:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 679 transitions. [2022-01-31 16:15:03,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-31 16:15:03,025 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:03,025 INFO L514 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] [2022-01-31 16:15:03,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-31 16:15:03,025 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:03,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:03,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1550730310, now seen corresponding path program 1 times [2022-01-31 16:15:03,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:03,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151744969] [2022-01-31 16:15:03,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:03,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:03,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-31 16:15:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:03,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:03,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151744969] [2022-01-31 16:15:03,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151744969] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:03,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:03,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-01-31 16:15:03,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530791040] [2022-01-31 16:15:03,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:03,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-31 16:15:03,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:03,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-31 16:15:03,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-01-31 16:15:03,197 INFO L87 Difference]: Start difference. First operand 543 states and 679 transitions. Second operand has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 8 states have internal predecessors, (42), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-31 16:15:04,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:04,266 INFO L93 Difference]: Finished difference Result 555 states and 691 transitions. [2022-01-31 16:15:04,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 16:15:04,266 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 8 states have internal predecessors, (42), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 54 [2022-01-31 16:15:04,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:04,268 INFO L225 Difference]: With dead ends: 555 [2022-01-31 16:15:04,268 INFO L226 Difference]: Without dead ends: 555 [2022-01-31 16:15:04,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2022-01-31 16:15:04,269 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 653 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:04,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 997 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 16:15:04,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-01-31 16:15:04,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 524. [2022-01-31 16:15:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 414 states have (on average 1.2584541062801933) internal successors, (521), 424 states have internal predecessors, (521), 62 states have call successors, (62), 43 states have call predecessors, (62), 47 states have return successors, (70), 57 states have call predecessors, (70), 54 states have call successors, (70) [2022-01-31 16:15:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 653 transitions. [2022-01-31 16:15:04,276 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 653 transitions. Word has length 54 [2022-01-31 16:15:04,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:04,276 INFO L470 AbstractCegarLoop]: Abstraction has 524 states and 653 transitions. [2022-01-31 16:15:04,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 8 states have internal predecessors, (42), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-31 16:15:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 653 transitions. [2022-01-31 16:15:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-31 16:15:04,277 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:04,277 INFO L514 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] [2022-01-31 16:15:04,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-31 16:15:04,277 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:04,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:04,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1906967654, now seen corresponding path program 1 times [2022-01-31 16:15:04,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:04,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73095772] [2022-01-31 16:15:04,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:04,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:04,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:04,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:04,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-31 16:15:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:04,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:04,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73095772] [2022-01-31 16:15:04,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73095772] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:04,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:04,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-31 16:15:04,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225499427] [2022-01-31 16:15:04,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:04,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-31 16:15:04,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:04,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-31 16:15:04,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-31 16:15:04,413 INFO L87 Difference]: Start difference. First operand 524 states and 653 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:05,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:05,129 INFO L93 Difference]: Finished difference Result 552 states and 681 transitions. [2022-01-31 16:15:05,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 16:15:05,131 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2022-01-31 16:15:05,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:05,133 INFO L225 Difference]: With dead ends: 552 [2022-01-31 16:15:05,133 INFO L226 Difference]: Without dead ends: 552 [2022-01-31 16:15:05,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-31 16:15:05,134 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 290 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:05,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 732 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 16:15:05,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2022-01-31 16:15:05,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 519. [2022-01-31 16:15:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 410 states have (on average 1.2463414634146341) internal successors, (511), 419 states have internal predecessors, (511), 61 states have call successors, (61), 43 states have call predecessors, (61), 47 states have return successors, (70), 57 states have call predecessors, (70), 54 states have call successors, (70) [2022-01-31 16:15:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 642 transitions. [2022-01-31 16:15:05,173 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 642 transitions. Word has length 54 [2022-01-31 16:15:05,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:05,174 INFO L470 AbstractCegarLoop]: Abstraction has 519 states and 642 transitions. [2022-01-31 16:15:05,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 642 transitions. [2022-01-31 16:15:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-31 16:15:05,175 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:05,175 INFO L514 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] [2022-01-31 16:15:05,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-31 16:15:05,175 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:05,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:05,175 INFO L85 PathProgramCache]: Analyzing trace with hash -982023083, now seen corresponding path program 1 times [2022-01-31 16:15:05,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:05,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165668511] [2022-01-31 16:15:05,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:05,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:05,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:05,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:05,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-31 16:15:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:05,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:05,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:05,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165668511] [2022-01-31 16:15:05,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165668511] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:05,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:05,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-01-31 16:15:05,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953342427] [2022-01-31 16:15:05,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:05,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-31 16:15:05,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:05,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-31 16:15:05,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-01-31 16:15:05,341 INFO L87 Difference]: Start difference. First operand 519 states and 642 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:06,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:06,105 INFO L93 Difference]: Finished difference Result 581 states and 723 transitions. [2022-01-31 16:15:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 16:15:06,106 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2022-01-31 16:15:06,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:06,108 INFO L225 Difference]: With dead ends: 581 [2022-01-31 16:15:06,108 INFO L226 Difference]: Without dead ends: 580 [2022-01-31 16:15:06,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-01-31 16:15:06,109 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 299 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:06,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 1573 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:15:06,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2022-01-31 16:15:06,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 536. [2022-01-31 16:15:06,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 425 states have (on average 1.2376470588235293) internal successors, (526), 434 states have internal predecessors, (526), 61 states have call successors, (61), 43 states have call predecessors, (61), 49 states have return successors, (77), 59 states have call predecessors, (77), 54 states have call successors, (77) [2022-01-31 16:15:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 664 transitions. [2022-01-31 16:15:06,118 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 664 transitions. Word has length 55 [2022-01-31 16:15:06,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:06,119 INFO L470 AbstractCegarLoop]: Abstraction has 536 states and 664 transitions. [2022-01-31 16:15:06,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:06,119 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 664 transitions. [2022-01-31 16:15:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-31 16:15:06,120 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:06,120 INFO L514 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] [2022-01-31 16:15:06,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-31 16:15:06,120 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:06,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:06,120 INFO L85 PathProgramCache]: Analyzing trace with hash -981991339, now seen corresponding path program 1 times [2022-01-31 16:15:06,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:06,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262713191] [2022-01-31 16:15:06,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:06,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-31 16:15:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:06,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:06,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262713191] [2022-01-31 16:15:06,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262713191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:06,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:06,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-01-31 16:15:06,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681577405] [2022-01-31 16:15:06,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:06,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-31 16:15:06,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:06,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-31 16:15:06,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-01-31 16:15:06,344 INFO L87 Difference]: Start difference. First operand 536 states and 664 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:07,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:07,109 INFO L93 Difference]: Finished difference Result 576 states and 711 transitions. [2022-01-31 16:15:07,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-31 16:15:07,112 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2022-01-31 16:15:07,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:07,113 INFO L225 Difference]: With dead ends: 576 [2022-01-31 16:15:07,113 INFO L226 Difference]: Without dead ends: 564 [2022-01-31 16:15:07,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-01-31 16:15:07,114 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 287 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 1726 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:07,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 1442 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1726 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:15:07,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-01-31 16:15:07,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 533. [2022-01-31 16:15:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 422 states have (on average 1.2393364928909953) internal successors, (523), 432 states have internal predecessors, (523), 61 states have call successors, (61), 43 states have call predecessors, (61), 49 states have return successors, (76), 58 states have call predecessors, (76), 54 states have call successors, (76) [2022-01-31 16:15:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 660 transitions. [2022-01-31 16:15:07,122 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 660 transitions. Word has length 55 [2022-01-31 16:15:07,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:07,122 INFO L470 AbstractCegarLoop]: Abstraction has 533 states and 660 transitions. [2022-01-31 16:15:07,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:07,122 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 660 transitions. [2022-01-31 16:15:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-31 16:15:07,123 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:07,123 INFO L514 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] [2022-01-31 16:15:07,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-31 16:15:07,124 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:07,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:07,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1286130686, now seen corresponding path program 1 times [2022-01-31 16:15:07,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:07,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538922545] [2022-01-31 16:15:07,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:07,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:07,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:07,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-01-31 16:15:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:07,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:07,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538922545] [2022-01-31 16:15:07,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538922545] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:07,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:07,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-31 16:15:07,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295342990] [2022-01-31 16:15:07,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:07,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-31 16:15:07,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:07,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-31 16:15:07,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-31 16:15:07,275 INFO L87 Difference]: Start difference. First operand 533 states and 660 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 16:15:08,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:08,022 INFO L93 Difference]: Finished difference Result 566 states and 697 transitions. [2022-01-31 16:15:08,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 16:15:08,023 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-01-31 16:15:08,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:08,025 INFO L225 Difference]: With dead ends: 566 [2022-01-31 16:15:08,025 INFO L226 Difference]: Without dead ends: 552 [2022-01-31 16:15:08,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-31 16:15:08,026 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 806 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:08,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [817 Valid, 685 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 16:15:08,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2022-01-31 16:15:08,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 515. [2022-01-31 16:15:08,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 407 states have (on average 1.2432432432432432) internal successors, (506), 416 states have internal predecessors, (506), 60 states have call successors, (60), 43 states have call predecessors, (60), 47 states have return successors, (69), 56 states have call predecessors, (69), 53 states have call successors, (69) [2022-01-31 16:15:08,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 635 transitions. [2022-01-31 16:15:08,033 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 635 transitions. Word has length 56 [2022-01-31 16:15:08,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:08,034 INFO L470 AbstractCegarLoop]: Abstraction has 515 states and 635 transitions. [2022-01-31 16:15:08,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-31 16:15:08,034 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 635 transitions. [2022-01-31 16:15:08,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-31 16:15:08,035 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:08,035 INFO L514 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] [2022-01-31 16:15:08,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-31 16:15:08,035 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:08,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:08,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1409892568, now seen corresponding path program 1 times [2022-01-31 16:15:08,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:08,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686491910] [2022-01-31 16:15:08,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:08,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-01-31 16:15:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-01-31 16:15:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:08,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:08,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686491910] [2022-01-31 16:15:08,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686491910] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:08,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:08,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-31 16:15:08,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502442246] [2022-01-31 16:15:08,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:08,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-31 16:15:08,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:08,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-31 16:15:08,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:15:08,183 INFO L87 Difference]: Start difference. First operand 515 states and 635 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 16:15:08,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:08,971 INFO L93 Difference]: Finished difference Result 560 states and 687 transitions. [2022-01-31 16:15:08,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-31 16:15:08,972 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 57 [2022-01-31 16:15:08,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:08,974 INFO L225 Difference]: With dead ends: 560 [2022-01-31 16:15:08,974 INFO L226 Difference]: Without dead ends: 535 [2022-01-31 16:15:08,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-01-31 16:15:08,975 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 737 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:08,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [748 Valid, 770 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:15:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-01-31 16:15:08,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 506. [2022-01-31 16:15:08,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 401 states have (on average 1.2394014962593516) internal successors, (497), 409 states have internal predecessors, (497), 59 states have call successors, (59), 42 states have call predecessors, (59), 45 states have return successors, (67), 55 states have call predecessors, (67), 52 states have call successors, (67) [2022-01-31 16:15:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 623 transitions. [2022-01-31 16:15:08,984 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 623 transitions. Word has length 57 [2022-01-31 16:15:08,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:08,984 INFO L470 AbstractCegarLoop]: Abstraction has 506 states and 623 transitions. [2022-01-31 16:15:08,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 16:15:08,984 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 623 transitions. [2022-01-31 16:15:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-31 16:15:08,985 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:08,985 INFO L514 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] [2022-01-31 16:15:08,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-31 16:15:08,985 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:08,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:08,985 INFO L85 PathProgramCache]: Analyzing trace with hash -463727783, now seen corresponding path program 1 times [2022-01-31 16:15:08,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:08,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615394084] [2022-01-31 16:15:08,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:08,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:09,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:09,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-01-31 16:15:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-31 16:15:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 16:15:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:09,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:09,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615394084] [2022-01-31 16:15:09,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615394084] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:09,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:09,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-31 16:15:09,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134272493] [2022-01-31 16:15:09,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:09,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-31 16:15:09,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:09,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-31 16:15:09,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:15:09,139 INFO L87 Difference]: Start difference. First operand 506 states and 623 transitions. Second operand has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (11), 9 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-31 16:15:10,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:10,081 INFO L93 Difference]: Finished difference Result 539 states and 664 transitions. [2022-01-31 16:15:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-31 16:15:10,081 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (11), 9 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2022-01-31 16:15:10,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:10,083 INFO L225 Difference]: With dead ends: 539 [2022-01-31 16:15:10,083 INFO L226 Difference]: Without dead ends: 539 [2022-01-31 16:15:10,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2022-01-31 16:15:10,084 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 567 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:10,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 1058 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:15:10,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2022-01-31 16:15:10,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 506. [2022-01-31 16:15:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 401 states have (on average 1.2344139650872819) internal successors, (495), 409 states have internal predecessors, (495), 59 states have call successors, (59), 42 states have call predecessors, (59), 45 states have return successors, (67), 55 states have call predecessors, (67), 52 states have call successors, (67) [2022-01-31 16:15:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 621 transitions. [2022-01-31 16:15:10,092 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 621 transitions. Word has length 65 [2022-01-31 16:15:10,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:10,092 INFO L470 AbstractCegarLoop]: Abstraction has 506 states and 621 transitions. [2022-01-31 16:15:10,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (11), 9 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-31 16:15:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 621 transitions. [2022-01-31 16:15:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-31 16:15:10,093 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:10,093 INFO L514 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] [2022-01-31 16:15:10,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-31 16:15:10,093 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:10,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:10,093 INFO L85 PathProgramCache]: Analyzing trace with hash -114011561, now seen corresponding path program 1 times [2022-01-31 16:15:10,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:10,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511506981] [2022-01-31 16:15:10,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:10,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:10,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-01-31 16:15:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:10,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:10,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:10,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511506981] [2022-01-31 16:15:10,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511506981] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:10,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:10,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-31 16:15:10,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960335424] [2022-01-31 16:15:10,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:10,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-31 16:15:10,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:10,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-31 16:15:10,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-01-31 16:15:10,239 INFO L87 Difference]: Start difference. First operand 506 states and 621 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 16:15:11,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:11,091 INFO L93 Difference]: Finished difference Result 535 states and 651 transitions. [2022-01-31 16:15:11,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-31 16:15:11,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 59 [2022-01-31 16:15:11,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:11,094 INFO L225 Difference]: With dead ends: 535 [2022-01-31 16:15:11,094 INFO L226 Difference]: Without dead ends: 535 [2022-01-31 16:15:11,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-01-31 16:15:11,094 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 301 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:11,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 538 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 16:15:11,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-01-31 16:15:11,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 505. [2022-01-31 16:15:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 400 states have (on average 1.2225) internal successors, (489), 408 states have internal predecessors, (489), 59 states have call successors, (59), 42 states have call predecessors, (59), 45 states have return successors, (67), 55 states have call predecessors, (67), 52 states have call successors, (67) [2022-01-31 16:15:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 615 transitions. [2022-01-31 16:15:11,101 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 615 transitions. Word has length 59 [2022-01-31 16:15:11,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:11,101 INFO L470 AbstractCegarLoop]: Abstraction has 505 states and 615 transitions. [2022-01-31 16:15:11,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 16:15:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 615 transitions. [2022-01-31 16:15:11,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-31 16:15:11,102 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:11,102 INFO L514 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] [2022-01-31 16:15:11,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-31 16:15:11,102 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:11,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:11,103 INFO L85 PathProgramCache]: Analyzing trace with hash 568579878, now seen corresponding path program 1 times [2022-01-31 16:15:11,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:11,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551107558] [2022-01-31 16:15:11,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:11,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:11,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:11,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-01-31 16:15:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-31 16:15:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 16:15:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:11,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:11,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:11,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551107558] [2022-01-31 16:15:11,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551107558] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:11,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:11,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-31 16:15:11,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102056217] [2022-01-31 16:15:11,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:11,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-31 16:15:11,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:11,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-31 16:15:11,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:15:11,265 INFO L87 Difference]: Start difference. First operand 505 states and 615 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 8 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-01-31 16:15:12,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:12,113 INFO L93 Difference]: Finished difference Result 557 states and 681 transitions. [2022-01-31 16:15:12,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-31 16:15:12,116 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 8 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 68 [2022-01-31 16:15:12,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:12,118 INFO L225 Difference]: With dead ends: 557 [2022-01-31 16:15:12,118 INFO L226 Difference]: Without dead ends: 557 [2022-01-31 16:15:12,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2022-01-31 16:15:12,119 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 332 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1461 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:12,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 1461 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:15:12,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2022-01-31 16:15:12,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 505. [2022-01-31 16:15:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 400 states have (on average 1.2175) internal successors, (487), 408 states have internal predecessors, (487), 59 states have call successors, (59), 42 states have call predecessors, (59), 45 states have return successors, (67), 55 states have call predecessors, (67), 52 states have call successors, (67) [2022-01-31 16:15:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 613 transitions. [2022-01-31 16:15:12,125 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 613 transitions. Word has length 68 [2022-01-31 16:15:12,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:12,126 INFO L470 AbstractCegarLoop]: Abstraction has 505 states and 613 transitions. [2022-01-31 16:15:12,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 8 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-01-31 16:15:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 613 transitions. [2022-01-31 16:15:12,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-31 16:15:12,126 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:12,127 INFO L514 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] [2022-01-31 16:15:12,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-31 16:15:12,127 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:12,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:12,129 INFO L85 PathProgramCache]: Analyzing trace with hash -683420303, now seen corresponding path program 1 times [2022-01-31 16:15:12,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:12,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890288143] [2022-01-31 16:15:12,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:12,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:12,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:12,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:12,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-01-31 16:15:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:12,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:12,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:12,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:12,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890288143] [2022-01-31 16:15:12,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890288143] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:12,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:12,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-31 16:15:12,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399656673] [2022-01-31 16:15:12,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:12,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-31 16:15:12,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:12,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-31 16:15:12,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-01-31 16:15:12,304 INFO L87 Difference]: Start difference. First operand 505 states and 613 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (8), 8 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 16:15:13,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:13,076 INFO L93 Difference]: Finished difference Result 517 states and 631 transitions. [2022-01-31 16:15:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 16:15:13,077 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (8), 8 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 61 [2022-01-31 16:15:13,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:13,079 INFO L225 Difference]: With dead ends: 517 [2022-01-31 16:15:13,079 INFO L226 Difference]: Without dead ends: 517 [2022-01-31 16:15:13,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-01-31 16:15:13,079 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 372 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:13,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 819 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:15:13,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-01-31 16:15:13,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 485. [2022-01-31 16:15:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 383 states have (on average 1.2219321148825066) internal successors, (468), 391 states have internal predecessors, (468), 58 states have call successors, (58), 41 states have call predecessors, (58), 43 states have return successors, (65), 53 states have call predecessors, (65), 51 states have call successors, (65) [2022-01-31 16:15:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 591 transitions. [2022-01-31 16:15:13,085 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 591 transitions. Word has length 61 [2022-01-31 16:15:13,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:13,086 INFO L470 AbstractCegarLoop]: Abstraction has 485 states and 591 transitions. [2022-01-31 16:15:13,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (8), 8 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 16:15:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 591 transitions. [2022-01-31 16:15:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-31 16:15:13,086 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:13,086 INFO L514 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] [2022-01-31 16:15:13,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-31 16:15:13,087 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:13,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:13,087 INFO L85 PathProgramCache]: Analyzing trace with hash 330084932, now seen corresponding path program 1 times [2022-01-31 16:15:13,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:13,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134260913] [2022-01-31 16:15:13,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:13,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:13,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:13,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:13,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134260913] [2022-01-31 16:15:13,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134260913] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:13,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:13,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-31 16:15:13,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925656343] [2022-01-31 16:15:13,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:13,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-31 16:15:13,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:13,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-31 16:15:13,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-01-31 16:15:13,292 INFO L87 Difference]: Start difference. First operand 485 states and 591 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:14,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:14,029 INFO L93 Difference]: Finished difference Result 526 states and 639 transitions. [2022-01-31 16:15:14,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 16:15:14,030 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2022-01-31 16:15:14,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:14,031 INFO L225 Difference]: With dead ends: 526 [2022-01-31 16:15:14,032 INFO L226 Difference]: Without dead ends: 508 [2022-01-31 16:15:14,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-31 16:15:14,032 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 355 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:14,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 1526 Invalid, 1921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1779 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:15:14,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2022-01-31 16:15:14,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 481. [2022-01-31 16:15:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 380 states have (on average 1.2210526315789474) internal successors, (464), 388 states have internal predecessors, (464), 57 states have call successors, (57), 41 states have call predecessors, (57), 43 states have return successors, (64), 52 states have call predecessors, (64), 50 states have call successors, (64) [2022-01-31 16:15:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 585 transitions. [2022-01-31 16:15:14,038 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 585 transitions. Word has length 60 [2022-01-31 16:15:14,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:14,038 INFO L470 AbstractCegarLoop]: Abstraction has 481 states and 585 transitions. [2022-01-31 16:15:14,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 585 transitions. [2022-01-31 16:15:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-31 16:15:14,039 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:14,039 INFO L514 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] [2022-01-31 16:15:14,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-31 16:15:14,039 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:14,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:14,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1109788813, now seen corresponding path program 1 times [2022-01-31 16:15:14,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:14,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490349796] [2022-01-31 16:15:14,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:14,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:14,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:14,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:14,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:14,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490349796] [2022-01-31 16:15:14,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490349796] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:14,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:14,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-31 16:15:14,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708646513] [2022-01-31 16:15:14,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:14,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-31 16:15:14,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:14,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-31 16:15:14,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-01-31 16:15:14,218 INFO L87 Difference]: Start difference. First operand 481 states and 585 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:15,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:15,152 INFO L93 Difference]: Finished difference Result 522 states and 633 transitions. [2022-01-31 16:15:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 16:15:15,152 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2022-01-31 16:15:15,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:15,154 INFO L225 Difference]: With dead ends: 522 [2022-01-31 16:15:15,154 INFO L226 Difference]: Without dead ends: 503 [2022-01-31 16:15:15,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-31 16:15:15,154 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 237 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:15,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 1607 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 16:15:15,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-01-31 16:15:15,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 476. [2022-01-31 16:15:15,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 376 states have (on average 1.2207446808510638) internal successors, (459), 384 states have internal predecessors, (459), 56 states have call successors, (56), 41 states have call predecessors, (56), 43 states have return successors, (63), 51 states have call predecessors, (63), 49 states have call successors, (63) [2022-01-31 16:15:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 578 transitions. [2022-01-31 16:15:15,161 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 578 transitions. Word has length 61 [2022-01-31 16:15:15,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:15,161 INFO L470 AbstractCegarLoop]: Abstraction has 476 states and 578 transitions. [2022-01-31 16:15:15,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 578 transitions. [2022-01-31 16:15:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-31 16:15:15,162 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:15,162 INFO L514 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] [2022-01-31 16:15:15,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-31 16:15:15,162 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:15,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:15,162 INFO L85 PathProgramCache]: Analyzing trace with hash 155004021, now seen corresponding path program 1 times [2022-01-31 16:15:15,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:15,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824830979] [2022-01-31 16:15:15,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:15,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:15,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:15,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:15,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:15,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824830979] [2022-01-31 16:15:15,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824830979] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:15,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:15,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-31 16:15:15,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856610099] [2022-01-31 16:15:15,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:15,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-31 16:15:15,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:15,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-31 16:15:15,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-01-31 16:15:15,328 INFO L87 Difference]: Start difference. First operand 476 states and 578 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:16,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:16,047 INFO L93 Difference]: Finished difference Result 517 states and 626 transitions. [2022-01-31 16:15:16,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 16:15:16,048 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2022-01-31 16:15:16,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:16,052 INFO L225 Difference]: With dead ends: 517 [2022-01-31 16:15:16,052 INFO L226 Difference]: Without dead ends: 499 [2022-01-31 16:15:16,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-31 16:15:16,053 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 312 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:16,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 1477 Invalid, 1841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:15:16,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2022-01-31 16:15:16,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 472. [2022-01-31 16:15:16,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 373 states have (on average 1.2198391420911527) internal successors, (455), 381 states have internal predecessors, (455), 55 states have call successors, (55), 41 states have call predecessors, (55), 43 states have return successors, (62), 50 states have call predecessors, (62), 48 states have call successors, (62) [2022-01-31 16:15:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 572 transitions. [2022-01-31 16:15:16,059 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 572 transitions. Word has length 61 [2022-01-31 16:15:16,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:16,059 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 572 transitions. [2022-01-31 16:15:16,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 572 transitions. [2022-01-31 16:15:16,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-01-31 16:15:16,060 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:16,060 INFO L514 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] [2022-01-31 16:15:16,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-31 16:15:16,060 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:16,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:16,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1597555542, now seen corresponding path program 1 times [2022-01-31 16:15:16,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:16,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750888771] [2022-01-31 16:15:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:16,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-31 16:15:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-31 16:15:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 16:15:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:16,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:16,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750888771] [2022-01-31 16:15:16,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750888771] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:16,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:16,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-31 16:15:16,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837109239] [2022-01-31 16:15:16,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:16,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-31 16:15:16,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:16,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-31 16:15:16,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-31 16:15:16,204 INFO L87 Difference]: Start difference. First operand 472 states and 572 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 9 states have call predecessors, (12), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-31 16:15:16,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:16,735 INFO L93 Difference]: Finished difference Result 643 states and 778 transitions. [2022-01-31 16:15:16,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-31 16:15:16,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 9 states have call predecessors, (12), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2022-01-31 16:15:16,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:16,737 INFO L225 Difference]: With dead ends: 643 [2022-01-31 16:15:16,737 INFO L226 Difference]: Without dead ends: 643 [2022-01-31 16:15:16,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-01-31 16:15:16,738 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 926 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 327 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:16,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [937 Valid, 755 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [327 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-31 16:15:16,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-01-31 16:15:16,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 593. [2022-01-31 16:15:16,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 466 states have (on average 1.2124463519313304) internal successors, (565), 476 states have internal predecessors, (565), 68 states have call successors, (68), 51 states have call predecessors, (68), 58 states have return successors, (87), 66 states have call predecessors, (87), 62 states have call successors, (87) [2022-01-31 16:15:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 720 transitions. [2022-01-31 16:15:16,746 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 720 transitions. Word has length 67 [2022-01-31 16:15:16,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:16,746 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 720 transitions. [2022-01-31 16:15:16,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 9 states have call predecessors, (12), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-31 16:15:16,746 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 720 transitions. [2022-01-31 16:15:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-31 16:15:16,749 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:16,749 INFO L514 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] [2022-01-31 16:15:16,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-31 16:15:16,749 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:16,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:16,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1775283994, now seen corresponding path program 1 times [2022-01-31 16:15:16,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:16,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101192670] [2022-01-31 16:15:16,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:16,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-01-31 16:15:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:16,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:16,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:16,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101192670] [2022-01-31 16:15:16,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101192670] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:16,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:16,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-31 16:15:16,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651084774] [2022-01-31 16:15:16,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:16,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-31 16:15:16,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:16,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-31 16:15:16,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-01-31 16:15:16,921 INFO L87 Difference]: Start difference. First operand 593 states and 720 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:17,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:17,854 INFO L93 Difference]: Finished difference Result 634 states and 769 transitions. [2022-01-31 16:15:17,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 16:15:17,855 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 65 [2022-01-31 16:15:17,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:17,856 INFO L225 Difference]: With dead ends: 634 [2022-01-31 16:15:17,856 INFO L226 Difference]: Without dead ends: 594 [2022-01-31 16:15:17,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-31 16:15:17,857 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 187 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:17,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 1456 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2028 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 16:15:17,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2022-01-31 16:15:17,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 567. [2022-01-31 16:15:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 445 states have (on average 1.2112359550561798) internal successors, (539), 455 states have internal predecessors, (539), 65 states have call successors, (65), 49 states have call predecessors, (65), 56 states have return successors, (84), 63 states have call predecessors, (84), 59 states have call successors, (84) [2022-01-31 16:15:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 688 transitions. [2022-01-31 16:15:17,863 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 688 transitions. Word has length 65 [2022-01-31 16:15:17,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:17,864 INFO L470 AbstractCegarLoop]: Abstraction has 567 states and 688 transitions. [2022-01-31 16:15:17,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-31 16:15:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 688 transitions. [2022-01-31 16:15:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-01-31 16:15:17,864 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:17,865 INFO L514 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] [2022-01-31 16:15:17,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-31 16:15:17,865 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:17,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:17,865 INFO L85 PathProgramCache]: Analyzing trace with hash -780637837, now seen corresponding path program 1 times [2022-01-31 16:15:17,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:17,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218499175] [2022-01-31 16:15:17,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:17,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:17,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-01-31 16:15:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-31 16:15:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 16:15:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-01-31 16:15:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:18,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:18,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218499175] [2022-01-31 16:15:18,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218499175] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:18,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:18,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-31 16:15:18,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843913540] [2022-01-31 16:15:18,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:18,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-31 16:15:18,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:18,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-31 16:15:18,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-01-31 16:15:18,025 INFO L87 Difference]: Start difference. First operand 567 states and 688 transitions. Second operand has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (12), 9 states have call predecessors, (12), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-01-31 16:15:18,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:18,677 INFO L93 Difference]: Finished difference Result 582 states and 700 transitions. [2022-01-31 16:15:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-31 16:15:18,677 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (12), 9 states have call predecessors, (12), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 79 [2022-01-31 16:15:18,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:18,679 INFO L225 Difference]: With dead ends: 582 [2022-01-31 16:15:18,679 INFO L226 Difference]: Without dead ends: 582 [2022-01-31 16:15:18,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2022-01-31 16:15:18,680 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 397 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:18,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [404 Valid, 1164 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-31 16:15:18,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-01-31 16:15:18,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 549. [2022-01-31 16:15:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 431 states have (on average 1.211136890951276) internal successors, (522), 440 states have internal predecessors, (522), 63 states have call successors, (63), 49 states have call predecessors, (63), 54 states have return successors, (73), 60 states have call predecessors, (73), 57 states have call successors, (73) [2022-01-31 16:15:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 658 transitions. [2022-01-31 16:15:18,686 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 658 transitions. Word has length 79 [2022-01-31 16:15:18,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:18,686 INFO L470 AbstractCegarLoop]: Abstraction has 549 states and 658 transitions. [2022-01-31 16:15:18,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (12), 9 states have call predecessors, (12), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-01-31 16:15:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 658 transitions. [2022-01-31 16:15:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-01-31 16:15:18,687 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:18,687 INFO L514 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] [2022-01-31 16:15:18,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-31 16:15:18,687 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:18,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:18,687 INFO L85 PathProgramCache]: Analyzing trace with hash -503170370, now seen corresponding path program 1 times [2022-01-31 16:15:18,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:18,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012327443] [2022-01-31 16:15:18,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:18,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-31 16:15:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-31 16:15:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 16:15:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-01-31 16:15:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 16:15:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:18,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:18,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012327443] [2022-01-31 16:15:18,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012327443] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:18,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:18,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-31 16:15:18,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815120526] [2022-01-31 16:15:18,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:18,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-31 16:15:18,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:18,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-31 16:15:18,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-01-31 16:15:18,927 INFO L87 Difference]: Start difference. First operand 549 states and 658 transitions. Second operand has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (14), 10 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-31 16:15:19,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:19,649 INFO L93 Difference]: Finished difference Result 658 states and 826 transitions. [2022-01-31 16:15:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-31 16:15:19,653 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (14), 10 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 80 [2022-01-31 16:15:19,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:19,655 INFO L225 Difference]: With dead ends: 658 [2022-01-31 16:15:19,655 INFO L226 Difference]: Without dead ends: 658 [2022-01-31 16:15:19,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2022-01-31 16:15:19,656 INFO L933 BasicCegarLoop]: 354 mSDtfsCounter, 449 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:19,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [460 Valid, 1484 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 16:15:19,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2022-01-31 16:15:19,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 513. [2022-01-31 16:15:19,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 407 states have (on average 1.2113022113022114) internal successors, (493), 414 states have internal predecessors, (493), 56 states have call successors, (56), 43 states have call predecessors, (56), 49 states have return successors, (63), 56 states have call predecessors, (63), 51 states have call successors, (63) [2022-01-31 16:15:19,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 612 transitions. [2022-01-31 16:15:19,662 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 612 transitions. Word has length 80 [2022-01-31 16:15:19,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:19,662 INFO L470 AbstractCegarLoop]: Abstraction has 513 states and 612 transitions. [2022-01-31 16:15:19,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (14), 10 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-31 16:15:19,663 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 612 transitions. [2022-01-31 16:15:19,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-01-31 16:15:19,663 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:19,663 INFO L514 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] [2022-01-31 16:15:19,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-31 16:15:19,664 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:19,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:19,664 INFO L85 PathProgramCache]: Analyzing trace with hash 350908657, now seen corresponding path program 1 times [2022-01-31 16:15:19,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:19,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544933425] [2022-01-31 16:15:19,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:19,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:19,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:19,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:19,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:19,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:19,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-31 16:15:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 16:15:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:19,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-31 16:15:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:19,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:19,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544933425] [2022-01-31 16:15:19,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544933425] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:19,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:19,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-31 16:15:19,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506400461] [2022-01-31 16:15:19,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:19,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-31 16:15:19,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:19,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-31 16:15:19,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-01-31 16:15:19,918 INFO L87 Difference]: Start difference. First operand 513 states and 612 transitions. Second operand has 16 states, 16 states have (on average 4.0625) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-31 16:15:20,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:20,749 INFO L93 Difference]: Finished difference Result 588 states and 701 transitions. [2022-01-31 16:15:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-31 16:15:20,751 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.0625) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 85 [2022-01-31 16:15:20,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:20,752 INFO L225 Difference]: With dead ends: 588 [2022-01-31 16:15:20,753 INFO L226 Difference]: Without dead ends: 570 [2022-01-31 16:15:20,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2022-01-31 16:15:20,753 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 477 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 1644 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:20,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 1687 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1644 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:15:20,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-01-31 16:15:20,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 521. [2022-01-31 16:15:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 414 states have (on average 1.2077294685990339) internal successors, (500), 421 states have internal predecessors, (500), 56 states have call successors, (56), 43 states have call predecessors, (56), 50 states have return successors, (66), 57 states have call predecessors, (66), 51 states have call successors, (66) [2022-01-31 16:15:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 622 transitions. [2022-01-31 16:15:20,761 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 622 transitions. Word has length 85 [2022-01-31 16:15:20,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:20,762 INFO L470 AbstractCegarLoop]: Abstraction has 521 states and 622 transitions. [2022-01-31 16:15:20,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.0625) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-31 16:15:20,762 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 622 transitions. [2022-01-31 16:15:20,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-01-31 16:15:20,763 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:20,763 INFO L514 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] [2022-01-31 16:15:20,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-31 16:15:20,763 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:20,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:20,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1483403988, now seen corresponding path program 1 times [2022-01-31 16:15:20,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:20,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740674942] [2022-01-31 16:15:20,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:20,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:20,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:20,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:20,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:20,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-31 16:15:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:20,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-01-31 16:15:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-31 16:15:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:21,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-01-31 16:15:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:21,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:21,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740674942] [2022-01-31 16:15:21,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740674942] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:21,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:21,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-31 16:15:21,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212444490] [2022-01-31 16:15:21,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:21,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-31 16:15:21,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:21,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-31 16:15:21,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-01-31 16:15:21,011 INFO L87 Difference]: Start difference. First operand 521 states and 622 transitions. Second operand has 16 states, 16 states have (on average 4.125) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-31 16:15:21,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:21,848 INFO L93 Difference]: Finished difference Result 588 states and 700 transitions. [2022-01-31 16:15:21,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-31 16:15:21,849 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.125) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2022-01-31 16:15:21,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:21,850 INFO L225 Difference]: With dead ends: 588 [2022-01-31 16:15:21,850 INFO L226 Difference]: Without dead ends: 570 [2022-01-31 16:15:21,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2022-01-31 16:15:21,851 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 369 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 1892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:21,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 1826 Invalid, 1892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 16:15:21,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-01-31 16:15:21,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 513. [2022-01-31 16:15:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 407 states have (on average 1.2088452088452089) internal successors, (492), 414 states have internal predecessors, (492), 56 states have call successors, (56), 43 states have call predecessors, (56), 49 states have return successors, (63), 56 states have call predecessors, (63), 51 states have call successors, (63) [2022-01-31 16:15:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 611 transitions. [2022-01-31 16:15:21,857 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 611 transitions. Word has length 86 [2022-01-31 16:15:21,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:21,857 INFO L470 AbstractCegarLoop]: Abstraction has 513 states and 611 transitions. [2022-01-31 16:15:21,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.125) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-31 16:15:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 611 transitions. [2022-01-31 16:15:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-31 16:15:21,858 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:21,858 INFO L514 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] [2022-01-31 16:15:21,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-31 16:15:21,858 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:21,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:21,859 INFO L85 PathProgramCache]: Analyzing trace with hash 305068683, now seen corresponding path program 1 times [2022-01-31 16:15:21,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:21,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440848809] [2022-01-31 16:15:21,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:21,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:15:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:15:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-31 16:15:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:22,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-01-31 16:15:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:22,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-31 16:15:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:22,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-01-31 16:15:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:15:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:15:22,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:15:22,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440848809] [2022-01-31 16:15:22,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440848809] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:15:22,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:15:22,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-31 16:15:22,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611456986] [2022-01-31 16:15:22,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:15:22,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-31 16:15:22,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:15:22,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-31 16:15:22,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:15:22,107 INFO L87 Difference]: Start difference. First operand 513 states and 611 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 5 states have internal predecessors, (65), 5 states have call successors, (9), 9 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2022-01-31 16:15:23,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:15:23,090 INFO L93 Difference]: Finished difference Result 660 states and 770 transitions. [2022-01-31 16:15:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-31 16:15:23,090 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 5 states have internal predecessors, (65), 5 states have call successors, (9), 9 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 81 [2022-01-31 16:15:23,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:15:23,092 INFO L225 Difference]: With dead ends: 660 [2022-01-31 16:15:23,092 INFO L226 Difference]: Without dead ends: 660 [2022-01-31 16:15:23,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2022-01-31 16:15:23,092 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 646 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 16:15:23,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [653 Valid, 559 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 16:15:23,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-01-31 16:15:23,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 634. [2022-01-31 16:15:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 504 states have (on average 1.2003968253968254) internal successors, (605), 513 states have internal predecessors, (605), 64 states have call successors, (64), 55 states have call predecessors, (64), 65 states have return successors, (75), 66 states have call predecessors, (75), 59 states have call successors, (75) [2022-01-31 16:15:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 744 transitions. [2022-01-31 16:15:23,101 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 744 transitions. Word has length 81 [2022-01-31 16:15:23,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:15:23,101 INFO L470 AbstractCegarLoop]: Abstraction has 634 states and 744 transitions. [2022-01-31 16:15:23,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 5 states have internal predecessors, (65), 5 states have call successors, (9), 9 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2022-01-31 16:15:23,101 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 744 transitions. [2022-01-31 16:15:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-01-31 16:15:23,104 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:15:23,104 INFO L514 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] [2022-01-31 16:15:23,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-31 16:15:23,105 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:15:23,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:15:23,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1596391875, now seen corresponding path program 1 times [2022-01-31 16:15:23,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:15:23,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736893814] [2022-01-31 16:15:23,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:15:23,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:15:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:15:23,118 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:15:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:15:23,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:15:23,178 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:15:23,179 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:15:23,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-31 16:15:23,182 INFO L732 BasicCegarLoop]: Path program 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] [2022-01-31 16:15:23,184 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:15:23,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:15:23 BasicIcfg [2022-01-31 16:15:23,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:15:23,259 INFO L158 Benchmark]: Toolchain (without parser) took 39582.61ms. Allocated memory was 179.3MB in the beginning and 423.6MB in the end (delta: 244.3MB). Free memory was 124.6MB in the beginning and 168.9MB in the end (delta: -44.3MB). Peak memory consumption was 200.9MB. Max. memory is 8.0GB. [2022-01-31 16:15:23,259 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 179.3MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:15:23,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.21ms. Allocated memory is still 179.3MB. Free memory was 124.4MB in the beginning and 142.4MB in the end (delta: -18.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-31 16:15:23,259 INFO L158 Benchmark]: Boogie Preprocessor took 62.52ms. Allocated memory is still 179.3MB. Free memory was 142.4MB in the beginning and 138.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-31 16:15:23,259 INFO L158 Benchmark]: RCFGBuilder took 694.17ms. Allocated memory is still 179.3MB. Free memory was 138.7MB in the beginning and 98.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-01-31 16:15:23,259 INFO L158 Benchmark]: IcfgTransformer took 34.87ms. Allocated memory is still 179.3MB. Free memory was 98.9MB in the beginning and 94.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-31 16:15:23,260 INFO L158 Benchmark]: TraceAbstraction took 38452.44ms. Allocated memory was 179.3MB in the beginning and 423.6MB in the end (delta: 244.3MB). Free memory was 93.6MB in the beginning and 168.9MB in the end (delta: -75.2MB). Peak memory consumption was 169.6MB. Max. memory is 8.0GB. [2022-01-31 16:15:23,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 179.3MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 334.21ms. Allocated memory is still 179.3MB. Free memory was 124.4MB in the beginning and 142.4MB in the end (delta: -18.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.52ms. Allocated memory is still 179.3MB. Free memory was 142.4MB in the beginning and 138.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 694.17ms. Allocated memory is still 179.3MB. Free memory was 138.7MB in the beginning and 98.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * IcfgTransformer took 34.87ms. Allocated memory is still 179.3MB. Free memory was 98.9MB in the beginning and 94.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 38452.44ms. Allocated memory was 179.3MB in the beginning and 423.6MB in the end (delta: 244.3MB). Free memory was 93.6MB in the beginning and 168.9MB in the end (delta: -75.2MB). Peak memory consumption was 169.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 65]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L36] int FloppyThread ; [L37] int KernelMode ; [L38] int Suspended ; [L39] int Executive ; [L40] int DiskController ; [L41] int FloppyDiskPeripheral ; [L42] int FlConfigCallBack ; [L43] int MaximumInterfaceType ; [L44] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L45] int myStatus ; [L46] int s ; [L47] int UNLOADED ; [L48] int NP ; [L49] int DC ; [L50] int SKIP1 ; [L51] int SKIP2 ; [L52] int MPR1 ; [L53] int MPR3 ; [L54] int IPC ; [L55] int pended ; [L56] int compRegistered ; [L57] int lowerDriverReturn ; [L58] int setEventCalled ; [L59] int customIrp ; [L91] int PagingReferenceCount = 0; [L92] int PagingMutex = 0; VAL [\old(compRegistered)=270, \old(customIrp)=262, \old(DC)=274, \old(DiskController)=286, \old(Executive)=276, \old(FlConfigCallBack)=263, \old(FloppyDiskPeripheral)=282, \old(FloppyThread)=260, \old(IPC)=267, \old(KernelMode)=264, \old(lowerDriverReturn)=275, \old(MaximumInterfaceType)=284, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=272, \old(MPR1)=269, \old(MPR3)=287, \old(myStatus)=283, \old(NP)=277, \old(PagingMutex)=273, \old(PagingReferenceCount)=279, \old(pended)=278, \old(s)=265, \old(setEventCalled)=261, \old(SKIP1)=266, \old(SKIP2)=271, \old(Suspended)=280, \old(UNLOADED)=285, 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] [L671] int status ; [L672] int irp = __VERIFIER_nondet_int() ; [L673] int pirp ; [L674] int pirp__IoStatus__Status ; [L675] int irp_choice = __VERIFIER_nondet_int() ; [L676] int devobj = __VERIFIER_nondet_int() ; [L677] int __cil_tmp8 ; [L679] FloppyThread = 0 [L680] KernelMode = 0 [L681] Suspended = 0 [L682] Executive = 0 [L683] DiskController = 0 [L684] FloppyDiskPeripheral = 0 [L685] FlConfigCallBack = 0 [L686] MaximumInterfaceType = 0 [L687] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L688] myStatus = 0 [L689] s = 0 [L690] UNLOADED = 0 [L691] NP = 0 [L692] DC = 0 [L693] SKIP1 = 0 [L694] SKIP2 = 0 [L695] MPR1 = 0 [L696] MPR3 = 0 [L697] IPC = 0 [L698] pended = 0 [L699] compRegistered = 0 [L700] lowerDriverReturn = 0 [L701] setEventCalled = 0 [L702] customIrp = 0 [L706] status = 0 [L707] 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] [L708] 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] [L74] UNLOADED = 0 [L75] NP = 1 [L76] DC = 2 [L77] SKIP1 = 3 [L78] SKIP2 = 4 [L79] MPR1 = 5 [L80] MPR3 = 6 [L81] IPC = 7 [L82] s = UNLOADED [L83] pended = 0 [L84] compRegistered = 0 [L85] lowerDriverReturn = 0 [L86] setEventCalled = 0 [L87] 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] [L708] 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] [L710] COND TRUE status >= 0 [L711] s = NP [L712] customIrp = 0 [L713] setEventCalled = customIrp [L714] lowerDriverReturn = setEventCalled [L715] compRegistered = lowerDriverReturn [L716] pended = compRegistered [L717] pirp__IoStatus__Status = 0 [L718] 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] [L719] COND TRUE irp_choice == 0 [L720] pirp__IoStatus__Status = -1073741637 [L721] 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] [L724] 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] [L661] s = NP [L662] pended = 0 [L663] compRegistered = 0 [L664] lowerDriverReturn = 0 [L665] setEventCalled = 0 [L666] 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] [L724] 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] [L727] COND FALSE !(status < 0) [L731] int tmp_ndt_1; [L732] tmp_ndt_1 = __VERIFIER_nondet_int() [L733] COND TRUE tmp_ndt_1 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L740] 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] [L164] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L165] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L166] int Irp__IoStatus__Information ; [L167] int Irp__IoStatus__Status ; [L168] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L169] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L170] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L171] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L172] int disketteExtension__HoldNewRequests ; [L173] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L174] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L175] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L176] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L177] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L178] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L179] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L180] int irpSp ; [L181] int disketteExtension ; [L182] int ntStatus ; [L183] int doneEvent = __VERIFIER_nondet_int() ; [L184] int irpSp___0 ; [L185] int nextIrpSp ; [L186] int nextIrpSp__Control ; [L187] int irpSp___1 ; [L188] int irpSp__Context ; [L189] int irpSp__Control ; [L190] long __cil_tmp29 ; [L191] long __cil_tmp30 ; [L194] ntStatus = 0 [L195] 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=-2, 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=-3, 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] [L196] 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=-2, 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=-3, 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] [L199] disketteExtension = DeviceObject__DeviceExtension [L200] 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=-2, 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=-3, 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] [L201] 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=-2, 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=-3, 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] [L210] 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=-2, 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=-3, 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] [L213] 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=-2, 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=-3, 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] [L239] 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=-2, 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=-3, 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] [L242] COND FALSE !(! disketteExtension__IsStarted) [L258] 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=-2, 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=-3, 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] [L259] 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] [L101] int status ; [L102] int threadHandle = __VERIFIER_nondet_int() ; [L103] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L104] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L105] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L106] int Irp__IoStatus__Status ; [L107] int Irp__IoStatus__Information ; [L108] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L109] int ObjAttributes = __VERIFIER_nondet_int() ; [L110] int __cil_tmp12 ; [L111] 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=0, 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=-4, UNLOADED=0] [L114] COND FALSE !(DisketteExtension__PoweringDown == 1) [L120] 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=-4, UNLOADED=0] [L121] 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=-4, UNLOADED=0] [L153] COND TRUE pended == 0 [L154] 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=-4, UNLOADED=0] [L160] 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=-4, UNLOADED=0] [L259] 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=-2, 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=-3, 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] [L259] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L262] __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=-2, 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=-3, 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] [L263] 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=-2, 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=-3, 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] [L265-L266] 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] [L1036] 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] [L1045] 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] [L1049] 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] [L1056] int tmp_ndt_8; [L1057] tmp_ndt_8 = __VERIFIER_nondet_int() [L1058] COND FALSE !(tmp_ndt_8 == 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_8=-5, UNLOADED=0, WaitMode=0, WaitReason=0] [L1066] 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_8=-5, UNLOADED=0, WaitMode=0, WaitReason=0] [L265-L266] 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=-2, 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=-3, 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] [L268] 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=-2, 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=-3, 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] [L271] disketteExtension__FloppyThread = 0 [L272] Irp__IoStatus__Status = 0 [L273] 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=-2, 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=-3, 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] [L274] COND TRUE s == NP [L275] 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=-2, 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=-3, 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] [L282] Irp__CurrentLocation ++ [L283] 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=-2, 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=-3, 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] [L284] 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] [L938] int returnVal2 ; [L939] int compRetStatus1 ; [L940] int lcontext = __VERIFIER_nondet_int() ; [L941] 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=-6, 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] [L944] 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=-6, 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] [L957] int tmp_ndt_12; [L958] tmp_ndt_12 = __VERIFIER_nondet_int() [L959] COND TRUE tmp_ndt_12 == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=-6, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L970] 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=-6, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L983] 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=-6, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L987] 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=-6, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L996] COND TRUE s == SKIP1 [L997] s = SKIP2 [L998] 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=-6, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L1006] 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=-6, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L284] 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=-2, 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=-3, 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] [L284] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L430] 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=-2, 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=-3, 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] [L431] 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=-2, 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=-3, 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] [L434] 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=-2, 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=-3, 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] [L740] RET, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L740] status = FloppyPnp(devobj, pirp) [L750] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L751] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L758] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L759] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L766] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L767] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L768] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L782] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L783] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L784] 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] [L65] reach_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 25 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.3s, OverallIterations: 39, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 31.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19946 SdHoareTripleChecker+Valid, 26.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19664 mSDsluCounter, 36849 SdHoareTripleChecker+Invalid, 22.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23605 mSDsCounter, 6728 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43259 IncrementalHoareTripleChecker+Invalid, 49987 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6728 mSolverCounterUnsat, 13244 mSDtfsCounter, 43259 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 836 GetRequests, 346 SyntacticMatches, 7 SemanticMatches, 483 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=846occurred in iteration=11, InterpolantAutomatonStates: 420, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 38 MinimizatonAttempts, 1822 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2151 NumberOfCodeBlocks, 2151 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 2031 ConstructedInterpolants, 0 QuantifiedInterpolants, 10506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-31 16:15:23,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...