/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-34549b5 [2022-04-06 08:34:05,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 08:34:05,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 08:34:05,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 08:34:05,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 08:34:05,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 08:34:05,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 08:34:05,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 08:34:05,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 08:34:05,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 08:34:05,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 08:34:05,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 08:34:05,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 08:34:05,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 08:34:05,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 08:34:05,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 08:34:05,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 08:34:05,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 08:34:05,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 08:34:05,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 08:34:05,873 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 08:34:05,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 08:34:05,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 08:34:05,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 08:34:05,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 08:34:05,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-06 08:34:05,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 08:34:05,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 08:34:05,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 08:34:05,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-06 08:34:05,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 08:34:05,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 08:34:05,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 08:34:05,897 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-06 08:34:05,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 08:34:05,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-06 08:34:05,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 08:34:05,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 08:34:05,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 08:34:05,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 08:34:05,898 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-06 08:34:05,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 08:34:05,898 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 08:34:05,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 08:34:05,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 08:34:05,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 08:34:05,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-06 08:34:05,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 08:34:05,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 08:34:05,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 08:34:05,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 08:34:05,903 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 08:34:05,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 08:34:06,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 08:34:06,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 08:34:06,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 08:34:06,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 08:34:06,115 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 08:34:06,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2022-04-06 08:34:06,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c5a652e6/770cdbb852974c0880f1c398f6b4389e/FLAG89c07ab88 [2022-04-06 08:34:06,546 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 08:34:06,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2022-04-06 08:34:06,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c5a652e6/770cdbb852974c0880f1c398f6b4389e/FLAG89c07ab88 [2022-04-06 08:34:06,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c5a652e6/770cdbb852974c0880f1c398f6b4389e [2022-04-06 08:34:06,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 08:34:06,567 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 08:34:06,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 08:34:06,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 08:34:06,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 08:34:06,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:34:06" (1/1) ... [2022-04-06 08:34:06,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e35e3e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06, skipping insertion in model container [2022-04-06 08:34:06,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:34:06" (1/1) ... [2022-04-06 08:34:06,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 08:34:06,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 08:34:06,723 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] [2022-04-06 08:34:06,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 08:34:06,808 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 08:34:06,816 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] [2022-04-06 08:34:06,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 08:34:06,875 INFO L208 MainTranslator]: Completed translation [2022-04-06 08:34:06,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06 WrapperNode [2022-04-06 08:34:06,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 08:34:06,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 08:34:06,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 08:34:06,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 08:34:06,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06" (1/1) ... [2022-04-06 08:34:06,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06" (1/1) ... [2022-04-06 08:34:06,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06" (1/1) ... [2022-04-06 08:34:06,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06" (1/1) ... [2022-04-06 08:34:06,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06" (1/1) ... [2022-04-06 08:34:06,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06" (1/1) ... [2022-04-06 08:34:06,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06" (1/1) ... [2022-04-06 08:34:06,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 08:34:06,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 08:34:06,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 08:34:06,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 08:34:06,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06" (1/1) ... [2022-04-06 08:34:06,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 08:34:06,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:34:06,950 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) [2022-04-06 08:34:06,963 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 [2022-04-06 08:34:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 08:34:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 08:34:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 08:34:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-04-06 08:34:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-04-06 08:34:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2022-04-06 08:34:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2022-04-06 08:34:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2022-04-06 08:34:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2022-04-06 08:34:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2022-04-06 08:34:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2022-04-06 08:34:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2022-04-06 08:34:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-04-06 08:34:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 08:34:06,983 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-04-06 08:34:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-04-06 08:34:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-04-06 08:34:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-04-06 08:34:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-04-06 08:34:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-04-06 08:34:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-04-06 08:34:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-04-06 08:34:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-04-06 08:34:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-04-06 08:34:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-04-06 08:34:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-04-06 08:34:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-04-06 08:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 08:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 08:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-04-06 08:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 08:34:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 08:34:07,168 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 08:34:07,170 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 08:34:07,183 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,211 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 08:34:07,211 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 08:34:07,216 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,220 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 08:34:07,220 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 08:34:07,224 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,319 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-04-06 08:34:07,319 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-04-06 08:34:07,320 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,351 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2022-04-06 08:34:07,351 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2022-04-06 08:34:07,356 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,365 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-04-06 08:34:07,365 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-04-06 08:34:07,423 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,427 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 08:34:07,427 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 08:34:07,427 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,431 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 08:34:07,432 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 08:34:07,432 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,437 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 08:34:07,438 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 08:34:07,465 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,488 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-04-06 08:34:07,488 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-04-06 08:34:07,503 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,506 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 08:34:07,507 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 08:34:07,507 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,511 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 08:34:07,511 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 08:34:07,511 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:34:07,514 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 08:34:07,514 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 08:34:07,520 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 08:34:07,526 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 08:34:07,527 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 08:34:07,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:34:07 BoogieIcfgContainer [2022-04-06 08:34:07,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 08:34:07,529 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 08:34:07,529 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 08:34:07,529 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 08:34:07,531 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:34:07" (1/1) ... [2022-04-06 08:34:07,532 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-06 08:34:07,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 08:34:07 BasicIcfg [2022-04-06 08:34:07,566 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 08:34:07,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 08:34:07,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 08:34:07,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 08:34:07,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 08:34:06" (1/4) ... [2022-04-06 08:34:07,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efe553d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:34:07, skipping insertion in model container [2022-04-06 08:34:07,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:34:06" (2/4) ... [2022-04-06 08:34:07,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efe553d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:34:07, skipping insertion in model container [2022-04-06 08:34:07,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:34:07" (3/4) ... [2022-04-06 08:34:07,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efe553d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:34:07, skipping insertion in model container [2022-04-06 08:34:07,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 08:34:07" (4/4) ... [2022-04-06 08:34:07,575 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.cJordan [2022-04-06 08:34:07,579 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-06 08:34:07,579 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 08:34:07,614 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 08:34:07,619 INFO L340 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 [2022-04-06 08:34:07,619 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 08:34:07,652 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) [2022-04-06 08:34:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-06 08:34:07,657 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:07,658 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:34:07,658 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:07,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:07,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1586821705, now seen corresponding path program 1 times [2022-04-06 08:34:07,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:07,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108664275] [2022-04-06 08:34:07,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:07,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:07,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:07,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108664275] [2022-04-06 08:34:07,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108664275] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:07,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:07,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:34:07,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034852855] [2022-04-06 08:34:07,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:07,989 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:34:07,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:08,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:34:08,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:34:08,011 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) [2022-04-06 08:34:08,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:08,826 INFO L93 Difference]: Finished difference Result 330 states and 448 transitions. [2022-04-06 08:34:08,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:34:08,828 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 [2022-04-06 08:34:08,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:08,836 INFO L225 Difference]: With dead ends: 330 [2022-04-06 08:34:08,836 INFO L226 Difference]: Without dead ends: 324 [2022-04-06 08:34:08,837 INFO L912 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 [2022-04-06 08:34:08,839 INFO L913 BasicCegarLoop]: 366 mSDtfsCounter, 154 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:08,840 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 575 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 08:34:08,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-04-06 08:34:08,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 294. [2022-04-06 08:34:08,874 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) [2022-04-06 08:34:08,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 388 transitions. [2022-04-06 08:34:08,877 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 388 transitions. Word has length 20 [2022-04-06 08:34:08,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:08,877 INFO L478 AbstractCegarLoop]: Abstraction has 294 states and 388 transitions. [2022-04-06 08:34:08,877 INFO L479 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) [2022-04-06 08:34:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 388 transitions. [2022-04-06 08:34:08,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-06 08:34:08,878 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:08,878 INFO L499 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] [2022-04-06 08:34:08,879 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 08:34:08,879 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:08,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:08,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1593983850, now seen corresponding path program 1 times [2022-04-06 08:34:08,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:08,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305819801] [2022-04-06 08:34:08,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:08,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:09,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:09,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:09,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305819801] [2022-04-06 08:34:09,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305819801] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:09,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:09,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:34:09,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111507308] [2022-04-06 08:34:09,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:09,070 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:34:09,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:09,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:34:09,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:34:09,071 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) [2022-04-06 08:34:09,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:09,939 INFO L93 Difference]: Finished difference Result 481 states and 642 transitions. [2022-04-06 08:34:09,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:34:09,939 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 [2022-04-06 08:34:09,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:09,947 INFO L225 Difference]: With dead ends: 481 [2022-04-06 08:34:09,947 INFO L226 Difference]: Without dead ends: 480 [2022-04-06 08:34:09,950 INFO L912 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 [2022-04-06 08:34:09,952 INFO L913 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 [2022-04-06 08:34:09,952 INFO L914 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] [2022-04-06 08:34:09,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-04-06 08:34:09,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 431. [2022-04-06 08:34:09,976 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) [2022-04-06 08:34:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 573 transitions. [2022-04-06 08:34:09,978 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 573 transitions. Word has length 28 [2022-04-06 08:34:09,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:09,979 INFO L478 AbstractCegarLoop]: Abstraction has 431 states and 573 transitions. [2022-04-06 08:34:09,979 INFO L479 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) [2022-04-06 08:34:09,979 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 573 transitions. [2022-04-06 08:34:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-06 08:34:09,980 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:09,980 INFO L499 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] [2022-04-06 08:34:09,980 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 08:34:09,980 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:09,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:09,980 INFO L85 PathProgramCache]: Analyzing trace with hash -149155043, now seen corresponding path program 1 times [2022-04-06 08:34:09,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:09,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438417839] [2022-04-06 08:34:09,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:09,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:10,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:10,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:10,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438417839] [2022-04-06 08:34:10,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438417839] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:10,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:10,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:34:10,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374880719] [2022-04-06 08:34:10,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:10,156 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:34:10,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:10,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:34:10,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:34:10,156 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) [2022-04-06 08:34:10,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:10,673 INFO L93 Difference]: Finished difference Result 679 states and 906 transitions. [2022-04-06 08:34:10,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:34:10,674 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 [2022-04-06 08:34:10,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:10,677 INFO L225 Difference]: With dead ends: 679 [2022-04-06 08:34:10,677 INFO L226 Difference]: Without dead ends: 679 [2022-04-06 08:34:10,677 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:34:10,678 INFO L913 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, 0.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:10,678 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [652 Valid, 558 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-06 08:34:10,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2022-04-06 08:34:10,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 634. [2022-04-06 08:34:10,694 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) [2022-04-06 08:34:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 848 transitions. [2022-04-06 08:34:10,696 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 848 transitions. Word has length 30 [2022-04-06 08:34:10,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:10,696 INFO L478 AbstractCegarLoop]: Abstraction has 634 states and 848 transitions. [2022-04-06 08:34:10,697 INFO L479 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) [2022-04-06 08:34:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 848 transitions. [2022-04-06 08:34:10,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-06 08:34:10,697 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:10,698 INFO L499 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] [2022-04-06 08:34:10,698 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 08:34:10,698 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:10,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:10,698 INFO L85 PathProgramCache]: Analyzing trace with hash 2019248335, now seen corresponding path program 1 times [2022-04-06 08:34:10,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:10,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354521653] [2022-04-06 08:34:10,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:10,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:10,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:10,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354521653] [2022-04-06 08:34:10,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354521653] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:10,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:10,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:34:10,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386568971] [2022-04-06 08:34:10,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:10,824 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:34:10,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:10,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:34:10,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:34:10,825 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) [2022-04-06 08:34:11,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:11,448 INFO L93 Difference]: Finished difference Result 685 states and 924 transitions. [2022-04-06 08:34:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:34:11,449 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 [2022-04-06 08:34:11,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:11,454 INFO L225 Difference]: With dead ends: 685 [2022-04-06 08:34:11,454 INFO L226 Difference]: Without dead ends: 685 [2022-04-06 08:34:11,455 INFO L912 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 [2022-04-06 08:34:11,461 INFO L913 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, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:11,462 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 633 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 08:34:11,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2022-04-06 08:34:11,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 635. [2022-04-06 08:34:11,486 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) [2022-04-06 08:34:11,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 849 transitions. [2022-04-06 08:34:11,490 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 849 transitions. Word has length 34 [2022-04-06 08:34:11,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:11,490 INFO L478 AbstractCegarLoop]: Abstraction has 635 states and 849 transitions. [2022-04-06 08:34:11,491 INFO L479 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) [2022-04-06 08:34:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 849 transitions. [2022-04-06 08:34:11,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-06 08:34:11,495 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:11,495 INFO L499 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] [2022-04-06 08:34:11,495 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 08:34:11,496 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:11,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:11,496 INFO L85 PathProgramCache]: Analyzing trace with hash -468264498, now seen corresponding path program 1 times [2022-04-06 08:34:11,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:11,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871745010] [2022-04-06 08:34:11,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:11,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:11,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:11,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:11,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:11,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871745010] [2022-04-06 08:34:11,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871745010] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:11,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:11,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:34:11,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160341903] [2022-04-06 08:34:11,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:11,616 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:34:11,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:11,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:34:11,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:34:11,617 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) [2022-04-06 08:34:12,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:12,207 INFO L93 Difference]: Finished difference Result 724 states and 957 transitions. [2022-04-06 08:34:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:34:12,208 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 [2022-04-06 08:34:12,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:12,211 INFO L225 Difference]: With dead ends: 724 [2022-04-06 08:34:12,211 INFO L226 Difference]: Without dead ends: 724 [2022-04-06 08:34:12,211 INFO L912 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 [2022-04-06 08:34:12,211 INFO L913 BasicCegarLoop]: 328 mSDtfsCounter, 586 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:12,212 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [593 Valid, 450 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 08:34:12,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2022-04-06 08:34:12,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 679. [2022-04-06 08:34:12,228 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) [2022-04-06 08:34:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 907 transitions. [2022-04-06 08:34:12,231 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 907 transitions. Word has length 34 [2022-04-06 08:34:12,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:12,232 INFO L478 AbstractCegarLoop]: Abstraction has 679 states and 907 transitions. [2022-04-06 08:34:12,233 INFO L479 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) [2022-04-06 08:34:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 907 transitions. [2022-04-06 08:34:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-06 08:34:12,235 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:12,235 INFO L499 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] [2022-04-06 08:34:12,235 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 08:34:12,235 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:12,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:12,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1317256940, now seen corresponding path program 1 times [2022-04-06 08:34:12,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:12,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994488230] [2022-04-06 08:34:12,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:12,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:12,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:12,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994488230] [2022-04-06 08:34:12,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994488230] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:12,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:12,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:34:12,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244527788] [2022-04-06 08:34:12,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:12,363 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:34:12,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:12,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:34:12,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:34:12,364 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) [2022-04-06 08:34:12,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:12,877 INFO L93 Difference]: Finished difference Result 703 states and 937 transitions. [2022-04-06 08:34:12,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:34:12,877 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 [2022-04-06 08:34:12,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:12,880 INFO L225 Difference]: With dead ends: 703 [2022-04-06 08:34:12,880 INFO L226 Difference]: Without dead ends: 703 [2022-04-06 08:34:12,880 INFO L912 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 [2022-04-06 08:34:12,881 INFO L913 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 [2022-04-06 08:34:12,881 INFO L914 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] [2022-04-06 08:34:12,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2022-04-06 08:34:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 690. [2022-04-06 08:34:12,891 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) [2022-04-06 08:34:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 921 transitions. [2022-04-06 08:34:12,894 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 921 transitions. Word has length 40 [2022-04-06 08:34:12,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:12,894 INFO L478 AbstractCegarLoop]: Abstraction has 690 states and 921 transitions. [2022-04-06 08:34:12,894 INFO L479 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) [2022-04-06 08:34:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 921 transitions. [2022-04-06 08:34:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-06 08:34:12,895 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:12,895 INFO L499 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] [2022-04-06 08:34:12,895 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 08:34:12,895 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:12,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:12,895 INFO L85 PathProgramCache]: Analyzing trace with hash 291374002, now seen corresponding path program 1 times [2022-04-06 08:34:12,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:12,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784390280] [2022-04-06 08:34:12,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:12,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-06 08:34:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:13,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:13,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784390280] [2022-04-06 08:34:13,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784390280] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:13,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:13,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-06 08:34:13,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101467397] [2022-04-06 08:34:13,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:13,025 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 08:34:13,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:13,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 08:34:13,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-06 08:34:13,025 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) [2022-04-06 08:34:13,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:13,768 INFO L93 Difference]: Finished difference Result 716 states and 951 transitions. [2022-04-06 08:34:13,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-06 08:34:13,769 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 [2022-04-06 08:34:13,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:13,771 INFO L225 Difference]: With dead ends: 716 [2022-04-06 08:34:13,771 INFO L226 Difference]: Without dead ends: 716 [2022-04-06 08:34:13,771 INFO L912 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 [2022-04-06 08:34:13,772 INFO L913 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, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:13,772 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 738 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 08:34:13,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-04-06 08:34:13,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 694. [2022-04-06 08:34:13,781 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) [2022-04-06 08:34:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 925 transitions. [2022-04-06 08:34:13,784 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 925 transitions. Word has length 41 [2022-04-06 08:34:13,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:13,784 INFO L478 AbstractCegarLoop]: Abstraction has 694 states and 925 transitions. [2022-04-06 08:34:13,784 INFO L479 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) [2022-04-06 08:34:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 925 transitions. [2022-04-06 08:34:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-06 08:34:13,786 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:13,786 INFO L499 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] [2022-04-06 08:34:13,786 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 08:34:13,786 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:13,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:13,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1620668477, now seen corresponding path program 1 times [2022-04-06 08:34:13,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:13,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923209345] [2022-04-06 08:34:13,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:13,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:13,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:13,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-04-06 08:34:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:13,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:13,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:13,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923209345] [2022-04-06 08:34:13,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923209345] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:13,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:13,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-06 08:34:13,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421719538] [2022-04-06 08:34:13,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:13,914 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-06 08:34:13,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:13,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-06 08:34:13,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:34:13,914 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) [2022-04-06 08:34:14,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:14,367 INFO L93 Difference]: Finished difference Result 764 states and 1012 transitions. [2022-04-06 08:34:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-06 08:34:14,368 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 [2022-04-06 08:34:14,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:14,370 INFO L225 Difference]: With dead ends: 764 [2022-04-06 08:34:14,370 INFO L226 Difference]: Without dead ends: 764 [2022-04-06 08:34:14,371 INFO L912 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 [2022-04-06 08:34:14,371 INFO L913 BasicCegarLoop]: 333 mSDtfsCounter, 504 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:14,371 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [507 Valid, 623 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-06 08:34:14,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-04-06 08:34:14,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 733. [2022-04-06 08:34:14,385 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) [2022-04-06 08:34:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 973 transitions. [2022-04-06 08:34:14,388 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 973 transitions. Word has length 41 [2022-04-06 08:34:14,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:14,389 INFO L478 AbstractCegarLoop]: Abstraction has 733 states and 973 transitions. [2022-04-06 08:34:14,389 INFO L479 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) [2022-04-06 08:34:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 973 transitions. [2022-04-06 08:34:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-04-06 08:34:14,390 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:14,390 INFO L499 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] [2022-04-06 08:34:14,391 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 08:34:14,391 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:14,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:14,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1267362978, now seen corresponding path program 1 times [2022-04-06 08:34:14,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:14,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933783527] [2022-04-06 08:34:14,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:14,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:14,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:14,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:14,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:14,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-04-06 08:34:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:14,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:14,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933783527] [2022-04-06 08:34:14,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933783527] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:14,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:14,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 08:34:14,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637262335] [2022-04-06 08:34:14,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:14,594 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 08:34:14,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:14,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 08:34:14,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-04-06 08:34:14,594 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) [2022-04-06 08:34:15,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:15,512 INFO L93 Difference]: Finished difference Result 764 states and 1010 transitions. [2022-04-06 08:34:15,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 08:34:15,512 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 [2022-04-06 08:34:15,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:15,515 INFO L225 Difference]: With dead ends: 764 [2022-04-06 08:34:15,515 INFO L226 Difference]: Without dead ends: 764 [2022-04-06 08:34:15,515 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-04-06 08:34:15,515 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 1070 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:15,515 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [1080 Valid, 787 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 08:34:15,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-04-06 08:34:15,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 733. [2022-04-06 08:34:15,525 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) [2022-04-06 08:34:15,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 971 transitions. [2022-04-06 08:34:15,527 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 971 transitions. Word has length 42 [2022-04-06 08:34:15,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:15,527 INFO L478 AbstractCegarLoop]: Abstraction has 733 states and 971 transitions. [2022-04-06 08:34:15,527 INFO L479 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) [2022-04-06 08:34:15,527 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 971 transitions. [2022-04-06 08:34:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-06 08:34:15,528 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:15,528 INFO L499 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] [2022-04-06 08:34:15,528 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 08:34:15,528 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:15,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:15,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1584928940, now seen corresponding path program 1 times [2022-04-06 08:34:15,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:15,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330623841] [2022-04-06 08:34:15,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:15,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:15,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:15,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:15,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-04-06 08:34:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:15,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:15,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330623841] [2022-04-06 08:34:15,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330623841] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:15,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:15,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 08:34:15,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832528597] [2022-04-06 08:34:15,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:15,738 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 08:34:15,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:15,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 08:34:15,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-04-06 08:34:15,739 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) [2022-04-06 08:34:16,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:16,637 INFO L93 Difference]: Finished difference Result 764 states and 1008 transitions. [2022-04-06 08:34:16,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 08:34:16,638 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 [2022-04-06 08:34:16,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:16,640 INFO L225 Difference]: With dead ends: 764 [2022-04-06 08:34:16,640 INFO L226 Difference]: Without dead ends: 764 [2022-04-06 08:34:16,640 INFO L912 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 [2022-04-06 08:34:16,641 INFO L913 BasicCegarLoop]: 317 mSDtfsCounter, 775 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-04-06 08:34:16,641 INFO L914 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] [2022-04-06 08:34:16,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-04-06 08:34:16,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 733. [2022-04-06 08:34:16,650 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) [2022-04-06 08:34:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 969 transitions. [2022-04-06 08:34:16,652 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 969 transitions. Word has length 43 [2022-04-06 08:34:16,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:16,652 INFO L478 AbstractCegarLoop]: Abstraction has 733 states and 969 transitions. [2022-04-06 08:34:16,653 INFO L479 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) [2022-04-06 08:34:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 969 transitions. [2022-04-06 08:34:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-06 08:34:16,653 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:16,653 INFO L499 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] [2022-04-06 08:34:16,653 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 08:34:16,654 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:16,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:16,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1688052930, now seen corresponding path program 1 times [2022-04-06 08:34:16,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:16,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340835773] [2022-04-06 08:34:16,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:16,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:16,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:16,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:16,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-06 08:34:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:16,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:16,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340835773] [2022-04-06 08:34:16,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340835773] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:16,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:16,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-06 08:34:16,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33597383] [2022-04-06 08:34:16,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:16,758 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 08:34:16,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:16,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 08:34:16,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-04-06 08:34:16,759 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) [2022-04-06 08:34:17,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:17,427 INFO L93 Difference]: Finished difference Result 1107 states and 1480 transitions. [2022-04-06 08:34:17,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-06 08:34:17,427 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 [2022-04-06 08:34:17,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:17,430 INFO L225 Difference]: With dead ends: 1107 [2022-04-06 08:34:17,431 INFO L226 Difference]: Without dead ends: 1107 [2022-04-06 08:34:17,431 INFO L912 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 [2022-04-06 08:34:17,431 INFO L913 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, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:17,431 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [669 Valid, 647 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 08:34:17,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2022-04-06 08:34:17,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 846. [2022-04-06 08:34:17,444 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) [2022-04-06 08:34:17,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1123 transitions. [2022-04-06 08:34:17,446 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1123 transitions. Word has length 44 [2022-04-06 08:34:17,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:17,446 INFO L478 AbstractCegarLoop]: Abstraction has 846 states and 1123 transitions. [2022-04-06 08:34:17,446 INFO L479 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) [2022-04-06 08:34:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1123 transitions. [2022-04-06 08:34:17,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-06 08:34:17,447 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:17,447 INFO L499 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] [2022-04-06 08:34:17,447 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-06 08:34:17,447 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:17,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:17,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1627203032, now seen corresponding path program 1 times [2022-04-06 08:34:17,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:17,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437072975] [2022-04-06 08:34:17,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:17,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-04-06 08:34:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:17,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:17,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437072975] [2022-04-06 08:34:17,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437072975] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:17,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:17,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-06 08:34:17,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586738499] [2022-04-06 08:34:17,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:17,590 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 08:34:17,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:17,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 08:34:17,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-04-06 08:34:17,590 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) [2022-04-06 08:34:18,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:18,146 INFO L93 Difference]: Finished difference Result 886 states and 1171 transitions. [2022-04-06 08:34:18,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 08:34:18,147 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 [2022-04-06 08:34:18,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:18,149 INFO L225 Difference]: With dead ends: 886 [2022-04-06 08:34:18,149 INFO L226 Difference]: Without dead ends: 871 [2022-04-06 08:34:18,150 INFO L912 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 [2022-04-06 08:34:18,150 INFO L913 BasicCegarLoop]: 343 mSDtfsCounter, 474 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:18,150 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [477 Valid, 1082 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 08:34:18,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-04-06 08:34:18,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 844. [2022-04-06 08:34:18,164 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) [2022-04-06 08:34:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1119 transitions. [2022-04-06 08:34:18,166 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1119 transitions. Word has length 44 [2022-04-06 08:34:18,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:18,166 INFO L478 AbstractCegarLoop]: Abstraction has 844 states and 1119 transitions. [2022-04-06 08:34:18,166 INFO L479 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) [2022-04-06 08:34:18,166 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1119 transitions. [2022-04-06 08:34:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-06 08:34:18,167 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:18,167 INFO L499 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] [2022-04-06 08:34:18,167 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 08:34:18,167 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:18,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:18,168 INFO L85 PathProgramCache]: Analyzing trace with hash -821084774, now seen corresponding path program 1 times [2022-04-06 08:34:18,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:18,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433104768] [2022-04-06 08:34:18,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:18,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-06 08:34:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:18,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:18,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433104768] [2022-04-06 08:34:18,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433104768] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:18,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:18,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-06 08:34:18,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876584817] [2022-04-06 08:34:18,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:18,353 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 08:34:18,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:18,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 08:34:18,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-06 08:34:18,353 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) [2022-04-06 08:34:19,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:19,784 INFO L93 Difference]: Finished difference Result 898 states and 1175 transitions. [2022-04-06 08:34:19,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 08:34:19,784 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 [2022-04-06 08:34:19,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:19,789 INFO L225 Difference]: With dead ends: 898 [2022-04-06 08:34:19,789 INFO L226 Difference]: Without dead ends: 898 [2022-04-06 08:34:19,790 INFO L912 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 [2022-04-06 08:34:19,790 INFO L913 BasicCegarLoop]: 447 mSDtfsCounter, 1067 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:19,790 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [1079 Valid, 663 Invalid, 1805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 1438 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-04-06 08:34:19,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2022-04-06 08:34:19,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 835. [2022-04-06 08:34:19,814 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) [2022-04-06 08:34:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1098 transitions. [2022-04-06 08:34:19,816 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1098 transitions. Word has length 45 [2022-04-06 08:34:19,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:19,817 INFO L478 AbstractCegarLoop]: Abstraction has 835 states and 1098 transitions. [2022-04-06 08:34:19,817 INFO L479 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) [2022-04-06 08:34:19,817 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1098 transitions. [2022-04-06 08:34:19,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-04-06 08:34:19,818 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:19,818 INFO L499 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] [2022-04-06 08:34:19,818 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 08:34:19,818 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:19,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:19,819 INFO L85 PathProgramCache]: Analyzing trace with hash 926060866, now seen corresponding path program 1 times [2022-04-06 08:34:19,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:19,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932204926] [2022-04-06 08:34:19,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:19,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:19,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:19,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:19,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-06 08:34:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:19,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:19,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932204926] [2022-04-06 08:34:19,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932204926] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:19,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:19,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-06 08:34:19,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503575385] [2022-04-06 08:34:19,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:19,924 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-06 08:34:19,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:19,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-06 08:34:19,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:34:19,925 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) [2022-04-06 08:34:20,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:20,669 INFO L93 Difference]: Finished difference Result 595 states and 750 transitions. [2022-04-06 08:34:20,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-06 08:34:20,670 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 [2022-04-06 08:34:20,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:20,672 INFO L225 Difference]: With dead ends: 595 [2022-04-06 08:34:20,672 INFO L226 Difference]: Without dead ends: 595 [2022-04-06 08:34:20,672 INFO L912 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 [2022-04-06 08:34:20,672 INFO L913 BasicCegarLoop]: 383 mSDtfsCounter, 582 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:20,673 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [589 Valid, 703 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 08:34:20,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-04-06 08:34:20,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 543. [2022-04-06 08:34:20,679 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) [2022-04-06 08:34:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 687 transitions. [2022-04-06 08:34:20,680 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 687 transitions. Word has length 49 [2022-04-06 08:34:20,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:20,680 INFO L478 AbstractCegarLoop]: Abstraction has 543 states and 687 transitions. [2022-04-06 08:34:20,680 INFO L479 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) [2022-04-06 08:34:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 687 transitions. [2022-04-06 08:34:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-04-06 08:34:20,681 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:20,681 INFO L499 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] [2022-04-06 08:34:20,681 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 08:34:20,681 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:20,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:20,681 INFO L85 PathProgramCache]: Analyzing trace with hash -399707783, now seen corresponding path program 1 times [2022-04-06 08:34:20,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:20,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933311117] [2022-04-06 08:34:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:20,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:20,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-04-06 08:34:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:20,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 08:34:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-06 08:34:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:20,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:20,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933311117] [2022-04-06 08:34:20,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933311117] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:20,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:20,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-06 08:34:20,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891189017] [2022-04-06 08:34:20,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:20,782 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-06 08:34:20,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:20,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-06 08:34:20,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:34:20,782 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) [2022-04-06 08:34:21,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:21,338 INFO L93 Difference]: Finished difference Result 584 states and 740 transitions. [2022-04-06 08:34:21,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 08:34:21,339 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 [2022-04-06 08:34:21,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:21,340 INFO L225 Difference]: With dead ends: 584 [2022-04-06 08:34:21,340 INFO L226 Difference]: Without dead ends: 584 [2022-04-06 08:34:21,341 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-04-06 08:34:21,341 INFO L913 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 [2022-04-06 08:34:21,341 INFO L914 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] [2022-04-06 08:34:21,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-04-06 08:34:21,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 557. [2022-04-06 08:34:21,347 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) [2022-04-06 08:34:21,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 707 transitions. [2022-04-06 08:34:21,349 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 707 transitions. Word has length 58 [2022-04-06 08:34:21,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:21,349 INFO L478 AbstractCegarLoop]: Abstraction has 557 states and 707 transitions. [2022-04-06 08:34:21,349 INFO L479 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) [2022-04-06 08:34:21,349 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 707 transitions. [2022-04-06 08:34:21,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-04-06 08:34:21,350 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:21,350 INFO L499 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] [2022-04-06 08:34:21,350 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 08:34:21,350 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:21,350 INFO L85 PathProgramCache]: Analyzing trace with hash -4114481, now seen corresponding path program 1 times [2022-04-06 08:34:21,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:21,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520088379] [2022-04-06 08:34:21,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:21,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:21,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 08:34:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:21,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:21,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520088379] [2022-04-06 08:34:21,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520088379] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:21,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:21,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 08:34:21,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679981867] [2022-04-06 08:34:21,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:21,504 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 08:34:21,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:21,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 08:34:21,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-04-06 08:34:21,505 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) [2022-04-06 08:34:22,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:22,795 INFO L93 Difference]: Finished difference Result 729 states and 923 transitions. [2022-04-06 08:34:22,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-06 08:34:22,795 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 [2022-04-06 08:34:22,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:22,797 INFO L225 Difference]: With dead ends: 729 [2022-04-06 08:34:22,797 INFO L226 Difference]: Without dead ends: 729 [2022-04-06 08:34:22,798 INFO L912 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 [2022-04-06 08:34:22,798 INFO L913 BasicCegarLoop]: 436 mSDtfsCounter, 908 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:22,798 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [910 Valid, 1239 Invalid, 2203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [379 Valid, 1824 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-06 08:34:22,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2022-04-06 08:34:22,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 586. [2022-04-06 08:34:22,806 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) [2022-04-06 08:34:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 740 transitions. [2022-04-06 08:34:22,807 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 740 transitions. Word has length 52 [2022-04-06 08:34:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:22,807 INFO L478 AbstractCegarLoop]: Abstraction has 586 states and 740 transitions. [2022-04-06 08:34:22,807 INFO L479 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) [2022-04-06 08:34:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 740 transitions. [2022-04-06 08:34:22,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 08:34:22,809 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:22,809 INFO L499 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] [2022-04-06 08:34:22,809 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-06 08:34:22,809 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:22,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:22,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1043769892, now seen corresponding path program 1 times [2022-04-06 08:34:22,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:22,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055501273] [2022-04-06 08:34:22,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:22,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:22,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 08:34:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:22,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 08:34:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 08:34:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:23,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:23,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055501273] [2022-04-06 08:34:23,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055501273] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:23,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:23,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-06 08:34:23,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103940257] [2022-04-06 08:34:23,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:23,016 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 08:34:23,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 08:34:23,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-04-06 08:34:23,017 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) [2022-04-06 08:34:23,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:23,591 INFO L93 Difference]: Finished difference Result 572 states and 716 transitions. [2022-04-06 08:34:23,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-06 08:34:23,592 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 [2022-04-06 08:34:23,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:23,595 INFO L225 Difference]: With dead ends: 572 [2022-04-06 08:34:23,595 INFO L226 Difference]: Without dead ends: 572 [2022-04-06 08:34:23,595 INFO L912 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 [2022-04-06 08:34:23,596 INFO L913 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 [2022-04-06 08:34:23,596 INFO L914 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] [2022-04-06 08:34:23,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-04-06 08:34:23,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 534. [2022-04-06 08:34:23,602 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) [2022-04-06 08:34:23,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 667 transitions. [2022-04-06 08:34:23,603 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 667 transitions. Word has length 61 [2022-04-06 08:34:23,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:23,603 INFO L478 AbstractCegarLoop]: Abstraction has 534 states and 667 transitions. [2022-04-06 08:34:23,603 INFO L479 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) [2022-04-06 08:34:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 667 transitions. [2022-04-06 08:34:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-06 08:34:23,606 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:23,606 INFO L499 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] [2022-04-06 08:34:23,606 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-06 08:34:23,606 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:23,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:23,606 INFO L85 PathProgramCache]: Analyzing trace with hash 197420613, now seen corresponding path program 1 times [2022-04-06 08:34:23,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:23,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877992606] [2022-04-06 08:34:23,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:23,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:23,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:23,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:23,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 08:34:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:23,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:23,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877992606] [2022-04-06 08:34:23,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877992606] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:23,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:23,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-06 08:34:23,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087348052] [2022-04-06 08:34:23,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:23,757 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 08:34:23,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:23,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 08:34:23,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-04-06 08:34:23,757 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) [2022-04-06 08:34:24,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:24,349 INFO L93 Difference]: Finished difference Result 587 states and 741 transitions. [2022-04-06 08:34:24,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-06 08:34:24,350 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 [2022-04-06 08:34:24,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:24,351 INFO L225 Difference]: With dead ends: 587 [2022-04-06 08:34:24,351 INFO L226 Difference]: Without dead ends: 587 [2022-04-06 08:34:24,351 INFO L912 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 [2022-04-06 08:34:24,352 INFO L913 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, 0.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:24,352 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 689 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-06 08:34:24,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2022-04-06 08:34:24,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 543. [2022-04-06 08:34:24,358 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) [2022-04-06 08:34:24,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 679 transitions. [2022-04-06 08:34:24,360 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 679 transitions. Word has length 54 [2022-04-06 08:34:24,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:24,360 INFO L478 AbstractCegarLoop]: Abstraction has 543 states and 679 transitions. [2022-04-06 08:34:24,360 INFO L479 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) [2022-04-06 08:34:24,360 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 679 transitions. [2022-04-06 08:34:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-06 08:34:24,361 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:24,361 INFO L499 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] [2022-04-06 08:34:24,361 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-06 08:34:24,361 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:24,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:24,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1550730310, now seen corresponding path program 1 times [2022-04-06 08:34:24,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:24,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483375591] [2022-04-06 08:34:24,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:24,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:24,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 08:34:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:24,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:24,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:24,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483375591] [2022-04-06 08:34:24,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483375591] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:24,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:24,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-04-06 08:34:24,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723287794] [2022-04-06 08:34:24,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:24,522 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-06 08:34:24,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:24,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-06 08:34:24,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-04-06 08:34:24,523 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) [2022-04-06 08:34:25,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:25,559 INFO L93 Difference]: Finished difference Result 555 states and 691 transitions. [2022-04-06 08:34:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 08:34:25,560 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 [2022-04-06 08:34:25,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:25,561 INFO L225 Difference]: With dead ends: 555 [2022-04-06 08:34:25,561 INFO L226 Difference]: Without dead ends: 555 [2022-04-06 08:34:25,561 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2022-04-06 08:34:25,562 INFO L913 BasicCegarLoop]: 317 mSDtfsCounter, 653 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 [2022-04-06 08:34:25,562 INFO L914 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] [2022-04-06 08:34:25,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-04-06 08:34:25,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 524. [2022-04-06 08:34:25,567 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) [2022-04-06 08:34:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 653 transitions. [2022-04-06 08:34:25,569 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 653 transitions. Word has length 54 [2022-04-06 08:34:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:25,569 INFO L478 AbstractCegarLoop]: Abstraction has 524 states and 653 transitions. [2022-04-06 08:34:25,569 INFO L479 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) [2022-04-06 08:34:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 653 transitions. [2022-04-06 08:34:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-06 08:34:25,569 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:25,570 INFO L499 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] [2022-04-06 08:34:25,570 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-06 08:34:25,570 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:25,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:25,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1906967654, now seen corresponding path program 1 times [2022-04-06 08:34:25,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:25,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109046372] [2022-04-06 08:34:25,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:25,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:25,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:25,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:25,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 08:34:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:25,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:25,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109046372] [2022-04-06 08:34:25,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109046372] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:25,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:25,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-06 08:34:25,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462877810] [2022-04-06 08:34:25,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:25,684 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-06 08:34:25,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:25,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-06 08:34:25,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:34:25,684 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) [2022-04-06 08:34:26,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:26,326 INFO L93 Difference]: Finished difference Result 552 states and 681 transitions. [2022-04-06 08:34:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-06 08:34:26,327 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 [2022-04-06 08:34:26,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:26,328 INFO L225 Difference]: With dead ends: 552 [2022-04-06 08:34:26,328 INFO L226 Difference]: Without dead ends: 552 [2022-04-06 08:34:26,328 INFO L912 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 [2022-04-06 08:34:26,329 INFO L913 BasicCegarLoop]: 350 mSDtfsCounter, 290 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-04-06 08:34:26,329 INFO L914 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] [2022-04-06 08:34:26,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2022-04-06 08:34:26,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 519. [2022-04-06 08:34:26,334 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) [2022-04-06 08:34:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 642 transitions. [2022-04-06 08:34:26,337 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 642 transitions. Word has length 54 [2022-04-06 08:34:26,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:26,337 INFO L478 AbstractCegarLoop]: Abstraction has 519 states and 642 transitions. [2022-04-06 08:34:26,337 INFO L479 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) [2022-04-06 08:34:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 642 transitions. [2022-04-06 08:34:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-06 08:34:26,338 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:26,338 INFO L499 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] [2022-04-06 08:34:26,338 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-06 08:34:26,338 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:26,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:26,338 INFO L85 PathProgramCache]: Analyzing trace with hash -982023083, now seen corresponding path program 1 times [2022-04-06 08:34:26,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:26,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729810978] [2022-04-06 08:34:26,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:26,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:26,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:26,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 08:34:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:26,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:26,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729810978] [2022-04-06 08:34:26,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729810978] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:26,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:26,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-04-06 08:34:26,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905228168] [2022-04-06 08:34:26,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:26,502 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-06 08:34:26,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:26,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-06 08:34:26,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-04-06 08:34:26,502 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) [2022-04-06 08:34:27,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:27,251 INFO L93 Difference]: Finished difference Result 581 states and 723 transitions. [2022-04-06 08:34:27,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 08:34:27,252 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 [2022-04-06 08:34:27,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:27,254 INFO L225 Difference]: With dead ends: 581 [2022-04-06 08:34:27,254 INFO L226 Difference]: Without dead ends: 580 [2022-04-06 08:34:27,254 INFO L912 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 [2022-04-06 08:34:27,254 INFO L913 BasicCegarLoop]: 332 mSDtfsCounter, 299 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1563 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:27,255 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 1563 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 08:34:27,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2022-04-06 08:34:27,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 536. [2022-04-06 08:34:27,260 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) [2022-04-06 08:34:27,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 664 transitions. [2022-04-06 08:34:27,261 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 664 transitions. Word has length 55 [2022-04-06 08:34:27,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:27,261 INFO L478 AbstractCegarLoop]: Abstraction has 536 states and 664 transitions. [2022-04-06 08:34:27,262 INFO L479 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) [2022-04-06 08:34:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 664 transitions. [2022-04-06 08:34:27,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-06 08:34:27,262 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:27,262 INFO L499 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] [2022-04-06 08:34:27,262 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-06 08:34:27,263 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:27,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:27,263 INFO L85 PathProgramCache]: Analyzing trace with hash -981991339, now seen corresponding path program 1 times [2022-04-06 08:34:27,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:27,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692493604] [2022-04-06 08:34:27,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:27,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 08:34:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:27,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:27,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692493604] [2022-04-06 08:34:27,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692493604] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:27,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:27,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-04-06 08:34:27,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388657804] [2022-04-06 08:34:27,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:27,406 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-06 08:34:27,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:27,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-06 08:34:27,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-04-06 08:34:27,406 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) [2022-04-06 08:34:28,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:28,116 INFO L93 Difference]: Finished difference Result 576 states and 711 transitions. [2022-04-06 08:34:28,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 08:34:28,117 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 [2022-04-06 08:34:28,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:28,119 INFO L225 Difference]: With dead ends: 576 [2022-04-06 08:34:28,120 INFO L226 Difference]: Without dead ends: 564 [2022-04-06 08:34:28,120 INFO L912 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 [2022-04-06 08:34:28,121 INFO L913 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 [2022-04-06 08:34:28,121 INFO L914 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] [2022-04-06 08:34:28,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-04-06 08:34:28,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 533. [2022-04-06 08:34:28,127 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) [2022-04-06 08:34:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 660 transitions. [2022-04-06 08:34:28,128 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 660 transitions. Word has length 55 [2022-04-06 08:34:28,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:28,128 INFO L478 AbstractCegarLoop]: Abstraction has 533 states and 660 transitions. [2022-04-06 08:34:28,128 INFO L479 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) [2022-04-06 08:34:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 660 transitions. [2022-04-06 08:34:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-04-06 08:34:28,129 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:28,129 INFO L499 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] [2022-04-06 08:34:28,129 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-06 08:34:28,129 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:28,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:28,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1286130686, now seen corresponding path program 1 times [2022-04-06 08:34:28,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:28,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419068916] [2022-04-06 08:34:28,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:28,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 08:34:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:28,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:28,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419068916] [2022-04-06 08:34:28,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419068916] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:28,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:28,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-06 08:34:28,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526212027] [2022-04-06 08:34:28,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:28,433 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 08:34:28,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:28,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 08:34:28,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-04-06 08:34:28,433 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) [2022-04-06 08:34:29,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:29,149 INFO L93 Difference]: Finished difference Result 566 states and 697 transitions. [2022-04-06 08:34:29,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 08:34:29,150 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 [2022-04-06 08:34:29,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:29,151 INFO L225 Difference]: With dead ends: 566 [2022-04-06 08:34:29,151 INFO L226 Difference]: Without dead ends: 552 [2022-04-06 08:34:29,151 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-04-06 08:34:29,152 INFO L913 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 [2022-04-06 08:34:29,152 INFO L914 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] [2022-04-06 08:34:29,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2022-04-06 08:34:29,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 515. [2022-04-06 08:34:29,161 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) [2022-04-06 08:34:29,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 635 transitions. [2022-04-06 08:34:29,161 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 635 transitions. Word has length 56 [2022-04-06 08:34:29,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:29,162 INFO L478 AbstractCegarLoop]: Abstraction has 515 states and 635 transitions. [2022-04-06 08:34:29,162 INFO L479 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) [2022-04-06 08:34:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 635 transitions. [2022-04-06 08:34:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-04-06 08:34:29,163 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:29,163 INFO L499 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] [2022-04-06 08:34:29,163 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-06 08:34:29,163 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:29,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:29,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1409892568, now seen corresponding path program 1 times [2022-04-06 08:34:29,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:29,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487259012] [2022-04-06 08:34:29,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:29,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:29,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-04-06 08:34:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-04-06 08:34:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:29,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:29,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487259012] [2022-04-06 08:34:29,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487259012] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:29,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:29,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 08:34:29,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604341010] [2022-04-06 08:34:29,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:29,306 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 08:34:29,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:29,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 08:34:29,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-04-06 08:34:29,306 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) [2022-04-06 08:34:30,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:30,057 INFO L93 Difference]: Finished difference Result 560 states and 687 transitions. [2022-04-06 08:34:30,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-06 08:34:30,058 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 [2022-04-06 08:34:30,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:30,059 INFO L225 Difference]: With dead ends: 560 [2022-04-06 08:34:30,059 INFO L226 Difference]: Without dead ends: 535 [2022-04-06 08:34:30,060 INFO L912 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 [2022-04-06 08:34:30,060 INFO L913 BasicCegarLoop]: 314 mSDtfsCounter, 737 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:30,060 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [748 Valid, 769 Invalid, 1769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 08:34:30,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-04-06 08:34:30,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 506. [2022-04-06 08:34:30,065 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) [2022-04-06 08:34:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 623 transitions. [2022-04-06 08:34:30,066 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 623 transitions. Word has length 57 [2022-04-06 08:34:30,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:30,066 INFO L478 AbstractCegarLoop]: Abstraction has 506 states and 623 transitions. [2022-04-06 08:34:30,067 INFO L479 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) [2022-04-06 08:34:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 623 transitions. [2022-04-06 08:34:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-06 08:34:30,067 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:30,067 INFO L499 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] [2022-04-06 08:34:30,068 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-06 08:34:30,068 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:30,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:30,068 INFO L85 PathProgramCache]: Analyzing trace with hash -463727783, now seen corresponding path program 1 times [2022-04-06 08:34:30,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:30,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413062971] [2022-04-06 08:34:30,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:30,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:30,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:30,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 08:34:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 08:34:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 08:34:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:30,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:30,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:30,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413062971] [2022-04-06 08:34:30,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413062971] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:30,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:30,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 08:34:30,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380574841] [2022-04-06 08:34:30,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:30,212 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 08:34:30,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:30,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 08:34:30,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-04-06 08:34:30,212 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) [2022-04-06 08:34:31,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:31,097 INFO L93 Difference]: Finished difference Result 539 states and 664 transitions. [2022-04-06 08:34:31,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-06 08:34:31,098 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 [2022-04-06 08:34:31,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:31,099 INFO L225 Difference]: With dead ends: 539 [2022-04-06 08:34:31,099 INFO L226 Difference]: Without dead ends: 539 [2022-04-06 08:34:31,099 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2022-04-06 08:34:31,100 INFO L913 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 [2022-04-06 08:34:31,100 INFO L914 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] [2022-04-06 08:34:31,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2022-04-06 08:34:31,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 506. [2022-04-06 08:34:31,105 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) [2022-04-06 08:34:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 621 transitions. [2022-04-06 08:34:31,105 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 621 transitions. Word has length 65 [2022-04-06 08:34:31,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:31,106 INFO L478 AbstractCegarLoop]: Abstraction has 506 states and 621 transitions. [2022-04-06 08:34:31,106 INFO L479 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) [2022-04-06 08:34:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 621 transitions. [2022-04-06 08:34:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-04-06 08:34:31,106 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:31,106 INFO L499 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] [2022-04-06 08:34:31,106 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-06 08:34:31,107 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:31,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:31,107 INFO L85 PathProgramCache]: Analyzing trace with hash -114011561, now seen corresponding path program 1 times [2022-04-06 08:34:31,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:31,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891693887] [2022-04-06 08:34:31,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:31,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:31,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:31,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-04-06 08:34:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:31,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:31,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:31,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:31,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891693887] [2022-04-06 08:34:31,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891693887] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:31,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:31,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-06 08:34:31,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053282321] [2022-04-06 08:34:31,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:31,224 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 08:34:31,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:31,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 08:34:31,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-04-06 08:34:31,225 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) [2022-04-06 08:34:31,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:31,996 INFO L93 Difference]: Finished difference Result 535 states and 651 transitions. [2022-04-06 08:34:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 08:34:31,996 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 [2022-04-06 08:34:31,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:31,998 INFO L225 Difference]: With dead ends: 535 [2022-04-06 08:34:31,998 INFO L226 Difference]: Without dead ends: 535 [2022-04-06 08:34:31,998 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-04-06 08:34:31,998 INFO L913 BasicCegarLoop]: 326 mSDtfsCounter, 301 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:31,999 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 538 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 08:34:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-04-06 08:34:32,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 505. [2022-04-06 08:34:32,003 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) [2022-04-06 08:34:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 615 transitions. [2022-04-06 08:34:32,004 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 615 transitions. Word has length 59 [2022-04-06 08:34:32,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:32,004 INFO L478 AbstractCegarLoop]: Abstraction has 505 states and 615 transitions. [2022-04-06 08:34:32,004 INFO L479 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) [2022-04-06 08:34:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 615 transitions. [2022-04-06 08:34:32,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-06 08:34:32,005 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:32,005 INFO L499 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] [2022-04-06 08:34:32,005 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-06 08:34:32,005 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:32,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:32,006 INFO L85 PathProgramCache]: Analyzing trace with hash 568579878, now seen corresponding path program 1 times [2022-04-06 08:34:32,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:32,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596638098] [2022-04-06 08:34:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:32,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 08:34:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 08:34:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 08:34:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:32,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:32,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596638098] [2022-04-06 08:34:32,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596638098] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:32,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:32,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 08:34:32,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276724347] [2022-04-06 08:34:32,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:32,187 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 08:34:32,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:32,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 08:34:32,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-04-06 08:34:32,188 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) [2022-04-06 08:34:32,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:32,912 INFO L93 Difference]: Finished difference Result 557 states and 681 transitions. [2022-04-06 08:34:32,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-06 08:34:32,912 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 [2022-04-06 08:34:32,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:32,914 INFO L225 Difference]: With dead ends: 557 [2022-04-06 08:34:32,914 INFO L226 Difference]: Without dead ends: 557 [2022-04-06 08:34:32,915 INFO L912 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 [2022-04-06 08:34:32,915 INFO L913 BasicCegarLoop]: 336 mSDtfsCounter, 332 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:32,916 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 1458 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 08:34:32,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2022-04-06 08:34:32,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 505. [2022-04-06 08:34:32,920 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) [2022-04-06 08:34:32,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 613 transitions. [2022-04-06 08:34:32,921 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 613 transitions. Word has length 68 [2022-04-06 08:34:32,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:32,921 INFO L478 AbstractCegarLoop]: Abstraction has 505 states and 613 transitions. [2022-04-06 08:34:32,921 INFO L479 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) [2022-04-06 08:34:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 613 transitions. [2022-04-06 08:34:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 08:34:32,922 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:32,922 INFO L499 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] [2022-04-06 08:34:32,922 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-06 08:34:32,922 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:32,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:32,922 INFO L85 PathProgramCache]: Analyzing trace with hash -683420303, now seen corresponding path program 1 times [2022-04-06 08:34:32,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:32,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523349580] [2022-04-06 08:34:32,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:32,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:32,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:33,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:33,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-04-06 08:34:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:33,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:33,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523349580] [2022-04-06 08:34:33,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523349580] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:33,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:33,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-06 08:34:33,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810850898] [2022-04-06 08:34:33,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:33,065 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-06 08:34:33,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:33,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-06 08:34:33,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-04-06 08:34:33,065 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) [2022-04-06 08:34:33,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:33,769 INFO L93 Difference]: Finished difference Result 517 states and 631 transitions. [2022-04-06 08:34:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 08:34:33,770 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 [2022-04-06 08:34:33,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:33,784 INFO L225 Difference]: With dead ends: 517 [2022-04-06 08:34:33,784 INFO L226 Difference]: Without dead ends: 517 [2022-04-06 08:34:33,784 INFO L912 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 [2022-04-06 08:34:33,785 INFO L913 BasicCegarLoop]: 319 mSDtfsCounter, 372 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:33,785 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 819 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 08:34:33,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-04-06 08:34:33,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 485. [2022-04-06 08:34:33,790 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) [2022-04-06 08:34:33,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 591 transitions. [2022-04-06 08:34:33,791 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 591 transitions. Word has length 61 [2022-04-06 08:34:33,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:33,791 INFO L478 AbstractCegarLoop]: Abstraction has 485 states and 591 transitions. [2022-04-06 08:34:33,791 INFO L479 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) [2022-04-06 08:34:33,791 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 591 transitions. [2022-04-06 08:34:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-06 08:34:33,792 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:33,792 INFO L499 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] [2022-04-06 08:34:33,792 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-06 08:34:33,792 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:33,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:33,792 INFO L85 PathProgramCache]: Analyzing trace with hash 330084932, now seen corresponding path program 1 times [2022-04-06 08:34:33,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:33,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836435037] [2022-04-06 08:34:33,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:33,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:33,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:33,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:33,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:33,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:33,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836435037] [2022-04-06 08:34:33,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836435037] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:33,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:33,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-06 08:34:33,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658035152] [2022-04-06 08:34:33,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:33,973 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-06 08:34:33,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:33,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-06 08:34:33,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-04-06 08:34:33,974 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) [2022-04-06 08:34:34,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:34,768 INFO L93 Difference]: Finished difference Result 526 states and 639 transitions. [2022-04-06 08:34:34,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 08:34:34,769 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 [2022-04-06 08:34:34,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:34,770 INFO L225 Difference]: With dead ends: 526 [2022-04-06 08:34:34,770 INFO L226 Difference]: Without dead ends: 508 [2022-04-06 08:34:34,770 INFO L912 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 [2022-04-06 08:34:34,771 INFO L913 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, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:34,771 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 1526 Invalid, 1921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1779 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 08:34:34,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2022-04-06 08:34:34,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 481. [2022-04-06 08:34:34,775 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) [2022-04-06 08:34:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 585 transitions. [2022-04-06 08:34:34,776 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 585 transitions. Word has length 60 [2022-04-06 08:34:34,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:34,776 INFO L478 AbstractCegarLoop]: Abstraction has 481 states and 585 transitions. [2022-04-06 08:34:34,776 INFO L479 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) [2022-04-06 08:34:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 585 transitions. [2022-04-06 08:34:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 08:34:34,777 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:34,777 INFO L499 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] [2022-04-06 08:34:34,777 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-06 08:34:34,777 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:34,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:34,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1109788813, now seen corresponding path program 1 times [2022-04-06 08:34:34,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:34,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473207456] [2022-04-06 08:34:34,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:34,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:34,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:34,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:34,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:34,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:34,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473207456] [2022-04-06 08:34:34,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473207456] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:34,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:34,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-06 08:34:34,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264053044] [2022-04-06 08:34:34,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:34,978 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-06 08:34:34,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:34,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-06 08:34:34,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-04-06 08:34:34,978 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) [2022-04-06 08:34:35,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:35,814 INFO L93 Difference]: Finished difference Result 522 states and 633 transitions. [2022-04-06 08:34:35,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 08:34:35,814 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 [2022-04-06 08:34:35,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:35,816 INFO L225 Difference]: With dead ends: 522 [2022-04-06 08:34:35,816 INFO L226 Difference]: Without dead ends: 503 [2022-04-06 08:34:35,816 INFO L912 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 [2022-04-06 08:34:35,817 INFO L913 BasicCegarLoop]: 336 mSDtfsCounter, 237 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:35,817 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 1607 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 08:34:35,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-04-06 08:34:35,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 476. [2022-04-06 08:34:35,822 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) [2022-04-06 08:34:35,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 578 transitions. [2022-04-06 08:34:35,823 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 578 transitions. Word has length 61 [2022-04-06 08:34:35,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:35,823 INFO L478 AbstractCegarLoop]: Abstraction has 476 states and 578 transitions. [2022-04-06 08:34:35,823 INFO L479 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) [2022-04-06 08:34:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 578 transitions. [2022-04-06 08:34:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 08:34:35,824 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:35,824 INFO L499 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] [2022-04-06 08:34:35,824 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-04-06 08:34:35,824 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:35,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:35,824 INFO L85 PathProgramCache]: Analyzing trace with hash 155004021, now seen corresponding path program 1 times [2022-04-06 08:34:35,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:35,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60524391] [2022-04-06 08:34:35,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:35,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:36,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:36,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60524391] [2022-04-06 08:34:36,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60524391] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:36,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:36,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-06 08:34:36,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827687455] [2022-04-06 08:34:36,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:36,012 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-06 08:34:36,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:36,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-06 08:34:36,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-04-06 08:34:36,013 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) [2022-04-06 08:34:36,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:36,736 INFO L93 Difference]: Finished difference Result 517 states and 626 transitions. [2022-04-06 08:34:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 08:34:36,736 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 [2022-04-06 08:34:36,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:36,738 INFO L225 Difference]: With dead ends: 517 [2022-04-06 08:34:36,738 INFO L226 Difference]: Without dead ends: 499 [2022-04-06 08:34:36,738 INFO L912 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 [2022-04-06 08:34:36,739 INFO L913 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 [2022-04-06 08:34:36,739 INFO L914 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] [2022-04-06 08:34:36,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2022-04-06 08:34:36,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 472. [2022-04-06 08:34:36,755 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) [2022-04-06 08:34:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 572 transitions. [2022-04-06 08:34:36,756 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 572 transitions. Word has length 61 [2022-04-06 08:34:36,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:36,756 INFO L478 AbstractCegarLoop]: Abstraction has 472 states and 572 transitions. [2022-04-06 08:34:36,756 INFO L479 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) [2022-04-06 08:34:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 572 transitions. [2022-04-06 08:34:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-06 08:34:36,757 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:36,757 INFO L499 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] [2022-04-06 08:34:36,757 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-04-06 08:34:36,757 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:36,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:36,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1597555542, now seen corresponding path program 1 times [2022-04-06 08:34:36,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:36,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823894446] [2022-04-06 08:34:36,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:36,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:36,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-06 08:34:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 08:34:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:36,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 08:34:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:36,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:36,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:36,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823894446] [2022-04-06 08:34:36,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823894446] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:36,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:36,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-06 08:34:36,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931937756] [2022-04-06 08:34:36,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:36,928 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 08:34:36,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:36,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 08:34:36,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-04-06 08:34:36,929 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) [2022-04-06 08:34:37,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:37,433 INFO L93 Difference]: Finished difference Result 643 states and 778 transitions. [2022-04-06 08:34:37,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 08:34:37,433 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 [2022-04-06 08:34:37,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:37,435 INFO L225 Difference]: With dead ends: 643 [2022-04-06 08:34:37,435 INFO L226 Difference]: Without dead ends: 643 [2022-04-06 08:34:37,435 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-04-06 08:34:37,435 INFO L913 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 [2022-04-06 08:34:37,435 INFO L914 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] [2022-04-06 08:34:37,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-04-06 08:34:37,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 593. [2022-04-06 08:34:37,441 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) [2022-04-06 08:34:37,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 720 transitions. [2022-04-06 08:34:37,442 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 720 transitions. Word has length 67 [2022-04-06 08:34:37,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:37,442 INFO L478 AbstractCegarLoop]: Abstraction has 593 states and 720 transitions. [2022-04-06 08:34:37,442 INFO L479 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) [2022-04-06 08:34:37,442 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 720 transitions. [2022-04-06 08:34:37,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-06 08:34:37,443 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:37,443 INFO L499 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] [2022-04-06 08:34:37,443 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-04-06 08:34:37,443 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:37,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:37,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1775283994, now seen corresponding path program 1 times [2022-04-06 08:34:37,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:37,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940216178] [2022-04-06 08:34:37,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:37,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:37,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-04-06 08:34:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:37,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:37,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940216178] [2022-04-06 08:34:37,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940216178] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:37,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:37,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-06 08:34:37,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596008361] [2022-04-06 08:34:37,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:37,609 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-06 08:34:37,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:37,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-06 08:34:37,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-04-06 08:34:37,609 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) [2022-04-06 08:34:38,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:38,486 INFO L93 Difference]: Finished difference Result 634 states and 769 transitions. [2022-04-06 08:34:38,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 08:34:38,486 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 [2022-04-06 08:34:38,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:38,488 INFO L225 Difference]: With dead ends: 634 [2022-04-06 08:34:38,488 INFO L226 Difference]: Without dead ends: 594 [2022-04-06 08:34:38,488 INFO L912 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 [2022-04-06 08:34:38,488 INFO L913 BasicCegarLoop]: 308 mSDtfsCounter, 187 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:38,489 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 1456 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2028 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 08:34:38,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2022-04-06 08:34:38,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 567. [2022-04-06 08:34:38,494 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) [2022-04-06 08:34:38,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 688 transitions. [2022-04-06 08:34:38,494 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 688 transitions. Word has length 65 [2022-04-06 08:34:38,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:38,495 INFO L478 AbstractCegarLoop]: Abstraction has 567 states and 688 transitions. [2022-04-06 08:34:38,495 INFO L479 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) [2022-04-06 08:34:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 688 transitions. [2022-04-06 08:34:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-04-06 08:34:38,495 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:38,495 INFO L499 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] [2022-04-06 08:34:38,496 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-04-06 08:34:38,496 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:38,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:38,496 INFO L85 PathProgramCache]: Analyzing trace with hash -780637837, now seen corresponding path program 1 times [2022-04-06 08:34:38,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:38,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308545868] [2022-04-06 08:34:38,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:38,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 08:34:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 08:34:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 08:34:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-04-06 08:34:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:38,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:38,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308545868] [2022-04-06 08:34:38,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308545868] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:38,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:38,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-06 08:34:38,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782116469] [2022-04-06 08:34:38,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:38,625 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-06 08:34:38,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:38,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-06 08:34:38,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-04-06 08:34:38,625 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) [2022-04-06 08:34:39,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:39,284 INFO L93 Difference]: Finished difference Result 582 states and 700 transitions. [2022-04-06 08:34:39,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-06 08:34:39,284 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 [2022-04-06 08:34:39,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:39,286 INFO L225 Difference]: With dead ends: 582 [2022-04-06 08:34:39,286 INFO L226 Difference]: Without dead ends: 582 [2022-04-06 08:34:39,286 INFO L912 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 [2022-04-06 08:34:39,286 INFO L913 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 [2022-04-06 08:34:39,286 INFO L914 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] [2022-04-06 08:34:39,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-04-06 08:34:39,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 549. [2022-04-06 08:34:39,291 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) [2022-04-06 08:34:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 658 transitions. [2022-04-06 08:34:39,292 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 658 transitions. Word has length 79 [2022-04-06 08:34:39,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:39,294 INFO L478 AbstractCegarLoop]: Abstraction has 549 states and 658 transitions. [2022-04-06 08:34:39,294 INFO L479 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) [2022-04-06 08:34:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 658 transitions. [2022-04-06 08:34:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-04-06 08:34:39,294 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:39,295 INFO L499 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] [2022-04-06 08:34:39,295 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-04-06 08:34:39,295 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:39,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:39,295 INFO L85 PathProgramCache]: Analyzing trace with hash -503170370, now seen corresponding path program 1 times [2022-04-06 08:34:39,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:39,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454495745] [2022-04-06 08:34:39,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:39,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-06 08:34:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 08:34:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 08:34:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-04-06 08:34:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 08:34:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:39,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:39,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:39,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454495745] [2022-04-06 08:34:39,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454495745] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:39,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:39,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-06 08:34:39,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435528009] [2022-04-06 08:34:39,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:39,522 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-06 08:34:39,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:39,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-06 08:34:39,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-04-06 08:34:39,523 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) [2022-04-06 08:34:40,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:40,199 INFO L93 Difference]: Finished difference Result 658 states and 826 transitions. [2022-04-06 08:34:40,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-06 08:34:40,199 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 [2022-04-06 08:34:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:40,201 INFO L225 Difference]: With dead ends: 658 [2022-04-06 08:34:40,201 INFO L226 Difference]: Without dead ends: 658 [2022-04-06 08:34:40,201 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2022-04-06 08:34:40,202 INFO L913 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 [2022-04-06 08:34:40,202 INFO L914 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] [2022-04-06 08:34:40,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2022-04-06 08:34:40,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 513. [2022-04-06 08:34:40,213 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) [2022-04-06 08:34:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 612 transitions. [2022-04-06 08:34:40,213 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 612 transitions. Word has length 80 [2022-04-06 08:34:40,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:40,213 INFO L478 AbstractCegarLoop]: Abstraction has 513 states and 612 transitions. [2022-04-06 08:34:40,213 INFO L479 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) [2022-04-06 08:34:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 612 transitions. [2022-04-06 08:34:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-06 08:34:40,214 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:40,214 INFO L499 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] [2022-04-06 08:34:40,214 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-04-06 08:34:40,215 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:40,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:40,215 INFO L85 PathProgramCache]: Analyzing trace with hash 350908657, now seen corresponding path program 1 times [2022-04-06 08:34:40,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:40,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248339254] [2022-04-06 08:34:40,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:40,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:40,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:40,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:40,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 08:34:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:40,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 08:34:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-04-06 08:34:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:40,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:40,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248339254] [2022-04-06 08:34:40,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248339254] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:40,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:40,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-06 08:34:40,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194441476] [2022-04-06 08:34:40,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:40,413 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-06 08:34:40,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:40,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-06 08:34:40,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-04-06 08:34:40,413 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) [2022-04-06 08:34:41,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:41,215 INFO L93 Difference]: Finished difference Result 588 states and 701 transitions. [2022-04-06 08:34:41,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-06 08:34:41,215 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 [2022-04-06 08:34:41,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:41,217 INFO L225 Difference]: With dead ends: 588 [2022-04-06 08:34:41,217 INFO L226 Difference]: Without dead ends: 570 [2022-04-06 08:34:41,217 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2022-04-06 08:34:41,218 INFO L913 BasicCegarLoop]: 304 mSDtfsCounter, 477 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:41,218 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 1683 Invalid, 1830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1648 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 08:34:41,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-04-06 08:34:41,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 521. [2022-04-06 08:34:41,223 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) [2022-04-06 08:34:41,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 622 transitions. [2022-04-06 08:34:41,223 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 622 transitions. Word has length 85 [2022-04-06 08:34:41,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:41,224 INFO L478 AbstractCegarLoop]: Abstraction has 521 states and 622 transitions. [2022-04-06 08:34:41,224 INFO L479 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) [2022-04-06 08:34:41,224 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 622 transitions. [2022-04-06 08:34:41,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-04-06 08:34:41,224 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:41,224 INFO L499 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] [2022-04-06 08:34:41,225 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-04-06 08:34:41,225 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:41,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:41,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1483403988, now seen corresponding path program 1 times [2022-04-06 08:34:41,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:41,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066192908] [2022-04-06 08:34:41,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:41,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:41,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:41,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 08:34:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:41,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 08:34:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 08:34:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:41,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-04-06 08:34:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:41,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:41,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:41,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066192908] [2022-04-06 08:34:41,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066192908] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:41,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:41,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-06 08:34:41,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583635963] [2022-04-06 08:34:41,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:41,437 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-06 08:34:41,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:41,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-06 08:34:41,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-04-06 08:34:41,438 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) [2022-04-06 08:34:42,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:42,189 INFO L93 Difference]: Finished difference Result 588 states and 700 transitions. [2022-04-06 08:34:42,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-06 08:34:42,189 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 [2022-04-06 08:34:42,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:42,191 INFO L225 Difference]: With dead ends: 588 [2022-04-06 08:34:42,191 INFO L226 Difference]: Without dead ends: 570 [2022-04-06 08:34:42,191 INFO L912 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 [2022-04-06 08:34:42,191 INFO L913 BasicCegarLoop]: 320 mSDtfsCounter, 369 mSDsluCounter, 1502 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 1896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 08:34:42,191 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 1822 Invalid, 1896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 08:34:42,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-04-06 08:34:42,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 513. [2022-04-06 08:34:42,196 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) [2022-04-06 08:34:42,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 611 transitions. [2022-04-06 08:34:42,196 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 611 transitions. Word has length 86 [2022-04-06 08:34:42,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:42,197 INFO L478 AbstractCegarLoop]: Abstraction has 513 states and 611 transitions. [2022-04-06 08:34:42,197 INFO L479 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) [2022-04-06 08:34:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 611 transitions. [2022-04-06 08:34:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-04-06 08:34:42,197 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:42,198 INFO L499 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] [2022-04-06 08:34:42,198 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-04-06 08:34:42,198 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:42,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:42,198 INFO L85 PathProgramCache]: Analyzing trace with hash 305068683, now seen corresponding path program 1 times [2022-04-06 08:34:42,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:42,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597778322] [2022-04-06 08:34:42,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:42,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:42,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:34:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 08:34:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:42,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 08:34:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:42,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-04-06 08:34:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 08:34:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 08:34:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:34:42,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:34:42,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:34:42,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597778322] [2022-04-06 08:34:42,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597778322] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:34:42,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:34:42,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 08:34:42,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583861105] [2022-04-06 08:34:42,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:34:42,342 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 08:34:42,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:34:42,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 08:34:42,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-04-06 08:34:42,342 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) [2022-04-06 08:34:43,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:34:43,255 INFO L93 Difference]: Finished difference Result 660 states and 770 transitions. [2022-04-06 08:34:43,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-06 08:34:43,256 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 [2022-04-06 08:34:43,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:34:43,257 INFO L225 Difference]: With dead ends: 660 [2022-04-06 08:34:43,257 INFO L226 Difference]: Without dead ends: 660 [2022-04-06 08:34:43,258 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2022-04-06 08:34:43,258 INFO L913 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 [2022-04-06 08:34:43,258 INFO L914 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] [2022-04-06 08:34:43,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-04-06 08:34:43,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 634. [2022-04-06 08:34:43,264 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) [2022-04-06 08:34:43,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 744 transitions. [2022-04-06 08:34:43,265 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 744 transitions. Word has length 81 [2022-04-06 08:34:43,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:34:43,265 INFO L478 AbstractCegarLoop]: Abstraction has 634 states and 744 transitions. [2022-04-06 08:34:43,265 INFO L479 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) [2022-04-06 08:34:43,265 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 744 transitions. [2022-04-06 08:34:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-04-06 08:34:43,266 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:34:43,266 INFO L499 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] [2022-04-06 08:34:43,266 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-04-06 08:34:43,266 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:34:43,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:34:43,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1596391875, now seen corresponding path program 1 times [2022-04-06 08:34:43,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:34:43,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855762758] [2022-04-06 08:34:43,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:34:43,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:34:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-06 08:34:43,278 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-06 08:34:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-06 08:34:43,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-06 08:34:43,322 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-06 08:34:43,322 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 08:34:43,324 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-04-06 08:34:43,325 INFO L719 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] [2022-04-06 08:34:43,327 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 08:34:43,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:34:43 BasicIcfg [2022-04-06 08:34:43,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 08:34:43,394 INFO L158 Benchmark]: Toolchain (without parser) took 36827.52ms. Allocated memory was 190.8MB in the beginning and 448.8MB in the end (delta: 257.9MB). Free memory was 139.9MB in the beginning and 341.1MB in the end (delta: -201.2MB). Peak memory consumption was 58.2MB. Max. memory is 8.0GB. [2022-04-06 08:34:43,394 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory was 157.2MB in the beginning and 157.0MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 08:34:43,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.43ms. Allocated memory is still 190.8MB. Free memory was 139.6MB in the beginning and 157.5MB in the end (delta: -17.8MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-04-06 08:34:43,395 INFO L158 Benchmark]: Boogie Preprocessor took 46.08ms. Allocated memory is still 190.8MB. Free memory was 157.5MB in the beginning and 153.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-06 08:34:43,395 INFO L158 Benchmark]: RCFGBuilder took 605.88ms. Allocated memory is still 190.8MB. Free memory was 153.9MB in the beginning and 114.0MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-04-06 08:34:43,395 INFO L158 Benchmark]: IcfgTransformer took 38.00ms. Allocated memory is still 190.8MB. Free memory was 114.0MB in the beginning and 109.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-06 08:34:43,395 INFO L158 Benchmark]: TraceAbstraction took 35824.58ms. Allocated memory was 190.8MB in the beginning and 448.8MB in the end (delta: 257.9MB). Free memory was 108.8MB in the beginning and 341.1MB in the end (delta: -232.4MB). Peak memory consumption was 26.6MB. Max. memory is 8.0GB. [2022-04-06 08:34:43,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory was 157.2MB in the beginning and 157.0MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 307.43ms. Allocated memory is still 190.8MB. Free memory was 139.6MB in the beginning and 157.5MB in the end (delta: -17.8MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.08ms. Allocated memory is still 190.8MB. Free memory was 157.5MB in the beginning and 153.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 605.88ms. Allocated memory is still 190.8MB. Free memory was 153.9MB in the beginning and 114.0MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * IcfgTransformer took 38.00ms. Allocated memory is still 190.8MB. Free memory was 114.0MB in the beginning and 109.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 35824.58ms. Allocated memory was 190.8MB in the beginning and 448.8MB in the end (delta: 257.9MB). Free memory was 108.8MB in the beginning and 341.1MB in the end (delta: -232.4MB). Peak memory consumption was 26.6MB. 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: 35.7s, OverallIterations: 39, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19946 SdHoareTripleChecker+Valid, 24.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19664 mSDsluCounter, 36826 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23582 mSDsCounter, 6728 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43282 IncrementalHoareTripleChecker+Invalid, 50010 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6728 mSolverCounterUnsat, 13244 mSDtfsCounter, 43282 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 836 GetRequests, 346 SyntacticMatches, 7 SemanticMatches, 483 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 7.0s 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: 0.4s AutomataMinimizationTime, 38 MinimizatonAttempts, 1822 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.6s 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! [2022-04-06 08:34:43,419 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...