/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/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 13:35:41,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 13:35:41,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 13:35:41,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 13:35:41,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 13:35:41,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 13:35:41,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 13:35:41,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 13:35:41,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 13:35:41,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 13:35:41,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 13:35:41,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 13:35:41,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 13:35:41,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 13:35:41,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 13:35:41,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 13:35:41,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 13:35:41,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 13:35:41,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 13:35:41,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 13:35:41,102 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 13:35:41,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 13:35:41,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 13:35:41,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 13:35:41,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 13:35:41,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-06 13:35:41,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 13:35:41,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 13:35:41,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 13:35:41,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-06 13:35:41,148 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 13:35:41,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 13:35:41,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-06 13:35:41,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-06 13:35:41,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-06 13:35:41,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-06 13:35:41,150 INFO L138 SettingsManager]: * Use SBE=true [2022-04-06 13:35:41,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 13:35:41,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 13:35:41,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 13:35:41,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 13:35:41,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 13:35:41,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 13:35:41,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 13:35:41,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 13:35:41,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 13:35:41,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 13:35:41,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 13:35:41,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 13:35:41,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:35:41,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 13:35:41,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-06 13:35:41,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-06 13:35:41,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 13:35:41,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-06 13:35:41,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-06 13:35:41,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-06 13:35:41,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-06 13:35:41,154 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 13:35:41,154 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 13:35:41,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 13:35:41,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 13:35:41,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 13:35:41,354 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 13:35:41,356 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 13:35:41,358 INFO L432 ainManager$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 13:35:41,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8feae1013/1e82e37a4ed0437483dc5905c8b64ada/FLAGac03d924d [2022-04-06 13:35:41,759 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 13:35:41,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2022-04-06 13:35:41,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8feae1013/1e82e37a4ed0437483dc5905c8b64ada/FLAGac03d924d [2022-04-06 13:35:41,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8feae1013/1e82e37a4ed0437483dc5905c8b64ada [2022-04-06 13:35:41,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 13:35:41,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 13:35:41,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 13:35:41,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 13:35:41,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 13:35:41,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:35:41" (1/1) ... [2022-04-06 13:35:41,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22cb56e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:41, skipping insertion in model container [2022-04-06 13:35:41,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:35:41" (1/1) ... [2022-04-06 13:35:41,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 13:35:41,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 13:35:41,953 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 13:35:42,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:35:42,038 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 13:35:42,048 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 13:35:42,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:35:42,117 INFO L208 MainTranslator]: Completed translation [2022-04-06 13:35:42,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:42 WrapperNode [2022-04-06 13:35:42,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 13:35:42,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 13:35:42,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 13:35:42,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 13:35:42,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:42" (1/1) ... [2022-04-06 13:35:42,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:42" (1/1) ... [2022-04-06 13:35:42,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:42" (1/1) ... [2022-04-06 13:35:42,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:42" (1/1) ... [2022-04-06 13:35:42,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:42" (1/1) ... [2022-04-06 13:35:42,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:42" (1/1) ... [2022-04-06 13:35:42,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:42" (1/1) ... [2022-04-06 13:35:42,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 13:35:42,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 13:35:42,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 13:35:42,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 13:35:42,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:42" (1/1) ... [2022-04-06 13:35:42,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:35:42,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:35:42,194 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 13:35:42,218 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 13:35:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 13:35:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 13:35:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 13:35:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-04-06 13:35:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-04-06 13:35:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-04-06 13:35:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-04-06 13:35:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-04-06 13:35:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-04-06 13:35:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-04-06 13:35:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-04-06 13:35:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-04-06 13:35:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-04-06 13:35:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-04-06 13:35:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-04-06 13:35:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-04-06 13:35:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 13:35:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 13:35:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-04-06 13:35:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2022-04-06 13:35:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-04-06 13:35:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 13:35:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-04-06 13:35:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 13:35:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 13:35:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 13:35:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 13:35:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 13:35:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 13:35:42,396 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 13:35:42,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 13:35:42,413 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,442 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 13:35:42,442 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 13:35:42,450 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 13:35:42,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 13:35:42,460 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,566 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-04-06 13:35:42,567 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-04-06 13:35:42,568 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,601 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2022-04-06 13:35:42,601 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2022-04-06 13:35:42,607 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,616 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-04-06 13:35:42,617 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-04-06 13:35:42,708 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,713 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 13:35:42,713 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 13:35:42,714 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,722 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 13:35:42,722 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 13:35:42,722 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,728 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 13:35:42,729 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 13:35:42,754 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,786 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-04-06 13:35:42,786 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-04-06 13:35:42,821 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,826 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 13:35:42,826 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 13:35:42,826 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,837 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 13:35:42,837 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 13:35:42,838 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:35:42,841 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-06 13:35:42,841 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-06 13:35:42,855 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 13:35:42,870 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 13:35:42,871 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 13:35:42,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:35:42 BoogieIcfgContainer [2022-04-06 13:35:42,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 13:35:42,873 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 13:35:42,873 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 13:35:42,874 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 13:35:42,876 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:35:42" (1/1) ... [2022-04-06 13:35:42,878 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-06 13:35:42,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:35:42 BasicIcfg [2022-04-06 13:35:42,928 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 13:35:42,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 13:35:42,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 13:35:42,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 13:35:42,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 01:35:41" (1/4) ... [2022-04-06 13:35:42,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f222508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:35:42, skipping insertion in model container [2022-04-06 13:35:42,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:35:42" (2/4) ... [2022-04-06 13:35:42,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f222508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:35:42, skipping insertion in model container [2022-04-06 13:35:42,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:35:42" (3/4) ... [2022-04-06 13:35:42,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f222508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:35:42, skipping insertion in model container [2022-04-06 13:35:42,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:35:42" (4/4) ... [2022-04-06 13:35:42,938 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.cqvasr [2022-04-06 13:35:42,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-06 13:35:42,943 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 13:35:42,988 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 13:35:42,993 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 13:35:42,994 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 13:35:43,034 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 13:35:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-06 13:35:43,040 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:43,050 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 13:35:43,052 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:43,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:43,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1586821705, now seen corresponding path program 1 times [2022-04-06 13:35:43,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:43,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422438000] [2022-04-06 13:35:43,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:43,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:43,335 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 13:35:43,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:43,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422438000] [2022-04-06 13:35:43,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422438000] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:43,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:43,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:35:43,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729333749] [2022-04-06 13:35:43,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:43,341 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:35:43,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:43,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:35:43,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:35:43,360 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 13:35:44,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:44,231 INFO L93 Difference]: Finished difference Result 539 states and 782 transitions. [2022-04-06 13:35:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:35:44,233 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 13:35:44,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:44,252 INFO L225 Difference]: With dead ends: 539 [2022-04-06 13:35:44,252 INFO L226 Difference]: Without dead ends: 324 [2022-04-06 13:35:44,259 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 13:35:44,261 INFO L913 BasicCegarLoop]: 366 mSDtfsCounter, 154 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:44,262 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 575 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 13:35:44,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-04-06 13:35:44,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 294. [2022-04-06 13:35:44,327 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 13:35:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 388 transitions. [2022-04-06 13:35:44,329 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 388 transitions. Word has length 20 [2022-04-06 13:35:44,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:44,329 INFO L478 AbstractCegarLoop]: Abstraction has 294 states and 388 transitions. [2022-04-06 13:35:44,330 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 13:35:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 388 transitions. [2022-04-06 13:35:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-06 13:35:44,331 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:44,331 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 13:35:44,331 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 13:35:44,331 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:44,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:44,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1593983850, now seen corresponding path program 1 times [2022-04-06 13:35:44,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:44,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718733843] [2022-04-06 13:35:44,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:44,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:44,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:44,508 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 13:35:44,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:44,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718733843] [2022-04-06 13:35:44,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718733843] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:44,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:44,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 13:35:44,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122023671] [2022-04-06 13:35:44,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:44,511 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 13:35:44,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:44,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 13:35:44,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:35:44,514 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 13:35:45,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:45,417 INFO L93 Difference]: Finished difference Result 643 states and 865 transitions. [2022-04-06 13:35:45,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 13:35:45,418 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 13:35:45,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:45,421 INFO L225 Difference]: With dead ends: 643 [2022-04-06 13:35:45,421 INFO L226 Difference]: Without dead ends: 480 [2022-04-06 13:35:45,422 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 13:35:45,422 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 13:35:45,423 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 13:35:45,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-04-06 13:35:45,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 431. [2022-04-06 13:35:45,450 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 13:35:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 573 transitions. [2022-04-06 13:35:45,452 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 573 transitions. Word has length 28 [2022-04-06 13:35:45,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:45,453 INFO L478 AbstractCegarLoop]: Abstraction has 431 states and 573 transitions. [2022-04-06 13:35:45,453 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 13:35:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 573 transitions. [2022-04-06 13:35:45,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-06 13:35:45,453 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:45,453 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 13:35:45,454 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 13:35:45,454 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:45,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:45,454 INFO L85 PathProgramCache]: Analyzing trace with hash -149155043, now seen corresponding path program 1 times [2022-04-06 13:35:45,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:45,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268806269] [2022-04-06 13:35:45,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:45,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:45,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:45,572 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 13:35:45,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:45,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268806269] [2022-04-06 13:35:45,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268806269] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:45,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:45,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 13:35:45,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801453214] [2022-04-06 13:35:45,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:45,573 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 13:35:45,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:45,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 13:35:45,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:35:45,573 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 13:35:46,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:46,183 INFO L93 Difference]: Finished difference Result 949 states and 1266 transitions. [2022-04-06 13:35:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 13:35:46,186 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 13:35:46,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:46,194 INFO L225 Difference]: With dead ends: 949 [2022-04-06 13:35:46,195 INFO L226 Difference]: Without dead ends: 679 [2022-04-06 13:35:46,196 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 13:35:46,200 INFO L913 BasicCegarLoop]: 353 mSDtfsCounter, 766 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:46,201 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [773 Valid, 558 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 13:35:46,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2022-04-06 13:35:46,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 634. [2022-04-06 13:35:46,253 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 13:35:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 848 transitions. [2022-04-06 13:35:46,258 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 848 transitions. Word has length 30 [2022-04-06 13:35:46,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:46,258 INFO L478 AbstractCegarLoop]: Abstraction has 634 states and 848 transitions. [2022-04-06 13:35:46,258 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 13:35:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 848 transitions. [2022-04-06 13:35:46,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-06 13:35:46,261 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:46,261 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 13:35:46,261 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 13:35:46,261 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:46,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:46,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2019248335, now seen corresponding path program 1 times [2022-04-06 13:35:46,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:46,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488908337] [2022-04-06 13:35:46,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:46,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:46,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:35:46,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:46,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488908337] [2022-04-06 13:35:46,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488908337] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:46,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:46,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 13:35:46,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013711568] [2022-04-06 13:35:46,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:46,375 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 13:35:46,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:46,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 13:35:46,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:35:46,375 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 13:35:46,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:46,967 INFO L93 Difference]: Finished difference Result 815 states and 1090 transitions. [2022-04-06 13:35:46,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 13:35:46,967 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 13:35:46,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:46,971 INFO L225 Difference]: With dead ends: 815 [2022-04-06 13:35:46,972 INFO L226 Difference]: Without dead ends: 685 [2022-04-06 13:35:46,973 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 13:35:46,979 INFO L913 BasicCegarLoop]: 354 mSDtfsCounter, 399 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:46,981 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 618 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 13:35:46,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2022-04-06 13:35:47,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 635. [2022-04-06 13:35:47,021 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 13:35:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 849 transitions. [2022-04-06 13:35:47,023 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 849 transitions. Word has length 34 [2022-04-06 13:35:47,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:47,024 INFO L478 AbstractCegarLoop]: Abstraction has 635 states and 849 transitions. [2022-04-06 13:35:47,024 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 13:35:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 849 transitions. [2022-04-06 13:35:47,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-06 13:35:47,024 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:47,024 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 13:35:47,025 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 13:35:47,025 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:47,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:47,025 INFO L85 PathProgramCache]: Analyzing trace with hash -468264498, now seen corresponding path program 1 times [2022-04-06 13:35:47,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:47,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500904012] [2022-04-06 13:35:47,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:47,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:47,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:47,127 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 13:35:47,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:47,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500904012] [2022-04-06 13:35:47,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500904012] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:47,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:47,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 13:35:47,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947152777] [2022-04-06 13:35:47,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:47,128 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 13:35:47,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:47,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 13:35:47,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:35:47,128 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 13:35:47,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:47,736 INFO L93 Difference]: Finished difference Result 744 states and 987 transitions. [2022-04-06 13:35:47,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 13:35:47,736 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 13:35:47,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:47,739 INFO L225 Difference]: With dead ends: 744 [2022-04-06 13:35:47,739 INFO L226 Difference]: Without dead ends: 724 [2022-04-06 13:35:47,740 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 13:35:47,740 INFO L913 BasicCegarLoop]: 328 mSDtfsCounter, 586 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:47,740 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [593 Valid, 450 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 13:35:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2022-04-06 13:35:47,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 679. [2022-04-06 13:35:47,765 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 13:35:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 907 transitions. [2022-04-06 13:35:47,767 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 907 transitions. Word has length 34 [2022-04-06 13:35:47,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:47,768 INFO L478 AbstractCegarLoop]: Abstraction has 679 states and 907 transitions. [2022-04-06 13:35:47,768 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 13:35:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 907 transitions. [2022-04-06 13:35:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-06 13:35:47,769 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:47,769 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 13:35:47,769 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 13:35:47,769 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:47,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:47,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1317256940, now seen corresponding path program 1 times [2022-04-06 13:35:47,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:47,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006482301] [2022-04-06 13:35:47,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:47,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:47,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:47,896 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 13:35:47,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:47,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006482301] [2022-04-06 13:35:47,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006482301] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:47,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:47,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 13:35:47,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944415272] [2022-04-06 13:35:47,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:47,897 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 13:35:47,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:47,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 13:35:47,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:35:47,897 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 13:35:48,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:48,525 INFO L93 Difference]: Finished difference Result 706 states and 941 transitions. [2022-04-06 13:35:48,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 13:35:48,526 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 13:35:48,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:48,529 INFO L225 Difference]: With dead ends: 706 [2022-04-06 13:35:48,529 INFO L226 Difference]: Without dead ends: 703 [2022-04-06 13:35:48,529 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 13:35:48,530 INFO L913 BasicCegarLoop]: 352 mSDtfsCounter, 243 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:48,530 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 582 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:35:48,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2022-04-06 13:35:48,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 690. [2022-04-06 13:35:48,553 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 13:35:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 921 transitions. [2022-04-06 13:35:48,556 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 921 transitions. Word has length 40 [2022-04-06 13:35:48,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:48,556 INFO L478 AbstractCegarLoop]: Abstraction has 690 states and 921 transitions. [2022-04-06 13:35:48,556 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 13:35:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 921 transitions. [2022-04-06 13:35:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-06 13:35:48,557 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:48,557 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 13:35:48,557 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 13:35:48,558 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:48,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:48,558 INFO L85 PathProgramCache]: Analyzing trace with hash 291374002, now seen corresponding path program 1 times [2022-04-06 13:35:48,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:48,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579095901] [2022-04-06 13:35:48,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:48,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-06 13:35:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:48,699 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 13:35:48,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:48,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579095901] [2022-04-06 13:35:48,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579095901] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:48,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:48,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-06 13:35:48,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189556110] [2022-04-06 13:35:48,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:48,700 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 13:35:48,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:48,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 13:35:48,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-06 13:35:48,700 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 13:35:49,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:49,507 INFO L93 Difference]: Finished difference Result 782 states and 1034 transitions. [2022-04-06 13:35:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-06 13:35:49,507 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 13:35:49,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:49,510 INFO L225 Difference]: With dead ends: 782 [2022-04-06 13:35:49,510 INFO L226 Difference]: Without dead ends: 716 [2022-04-06 13:35:49,510 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 13:35:49,511 INFO L913 BasicCegarLoop]: 326 mSDtfsCounter, 436 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:49,511 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [450 Valid, 738 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 13:35:49,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-04-06 13:35:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 694. [2022-04-06 13:35:49,535 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 13:35:49,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 925 transitions. [2022-04-06 13:35:49,538 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 925 transitions. Word has length 41 [2022-04-06 13:35:49,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:49,538 INFO L478 AbstractCegarLoop]: Abstraction has 694 states and 925 transitions. [2022-04-06 13:35:49,538 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 13:35:49,538 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 925 transitions. [2022-04-06 13:35:49,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-06 13:35:49,539 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:49,539 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 13:35:49,539 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 13:35:49,539 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:49,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:49,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1620668477, now seen corresponding path program 1 times [2022-04-06 13:35:49,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:49,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018532925] [2022-04-06 13:35:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:49,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:35:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-04-06 13:35:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:49,651 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 13:35:49,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:49,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018532925] [2022-04-06 13:35:49,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018532925] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:49,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:49,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-06 13:35:49,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101077011] [2022-04-06 13:35:49,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:49,652 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-06 13:35:49,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:49,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-06 13:35:49,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-04-06 13:35:49,653 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 13:35:50,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:50,189 INFO L93 Difference]: Finished difference Result 769 states and 1019 transitions. [2022-04-06 13:35:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-06 13:35:50,189 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 13:35:50,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:50,192 INFO L225 Difference]: With dead ends: 769 [2022-04-06 13:35:50,192 INFO L226 Difference]: Without dead ends: 764 [2022-04-06 13:35:50,192 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 13:35:50,193 INFO L913 BasicCegarLoop]: 333 mSDtfsCounter, 509 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:50,193 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [512 Valid, 673 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 13:35:50,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-04-06 13:35:50,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 733. [2022-04-06 13:35:50,218 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 13:35:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 973 transitions. [2022-04-06 13:35:50,221 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 973 transitions. Word has length 41 [2022-04-06 13:35:50,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:50,222 INFO L478 AbstractCegarLoop]: Abstraction has 733 states and 973 transitions. [2022-04-06 13:35:50,222 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 13:35:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 973 transitions. [2022-04-06 13:35:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-04-06 13:35:50,222 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:50,222 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 13:35:50,223 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 13:35:50,223 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:50,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:50,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1267362978, now seen corresponding path program 1 times [2022-04-06 13:35:50,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:50,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751693981] [2022-04-06 13:35:50,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:50,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:50,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:35:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-04-06 13:35:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:50,408 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 13:35:50,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:50,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751693981] [2022-04-06 13:35:50,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751693981] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:50,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:50,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 13:35:50,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626127709] [2022-04-06 13:35:50,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:50,409 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 13:35:50,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:50,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 13:35:50,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:35:50,410 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 13:35:51,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:51,524 INFO L93 Difference]: Finished difference Result 773 states and 1021 transitions. [2022-04-06 13:35:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 13:35:51,525 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 13:35:51,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:51,528 INFO L225 Difference]: With dead ends: 773 [2022-04-06 13:35:51,528 INFO L226 Difference]: Without dead ends: 764 [2022-04-06 13:35:51,528 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 13:35:51,529 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 973 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:51,529 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [983 Valid, 797 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 13:35:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-04-06 13:35:51,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 733. [2022-04-06 13:35:51,561 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 13:35:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 971 transitions. [2022-04-06 13:35:51,564 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 971 transitions. Word has length 42 [2022-04-06 13:35:51,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:51,564 INFO L478 AbstractCegarLoop]: Abstraction has 733 states and 971 transitions. [2022-04-06 13:35:51,564 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 13:35:51,564 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 971 transitions. [2022-04-06 13:35:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-06 13:35:51,565 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:51,565 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 13:35:51,565 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 13:35:51,565 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:51,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1584928940, now seen corresponding path program 1 times [2022-04-06 13:35:51,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:51,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925511785] [2022-04-06 13:35:51,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:51,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:51,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:51,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:35:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-04-06 13:35:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:51,781 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 13:35:51,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:51,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925511785] [2022-04-06 13:35:51,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925511785] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:51,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:51,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 13:35:51,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984800037] [2022-04-06 13:35:51,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:51,782 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 13:35:51,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:51,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 13:35:51,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:35:51,783 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 13:35:52,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:52,852 INFO L93 Difference]: Finished difference Result 773 states and 1019 transitions. [2022-04-06 13:35:52,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 13:35:52,853 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 13:35:52,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:52,855 INFO L225 Difference]: With dead ends: 773 [2022-04-06 13:35:52,855 INFO L226 Difference]: Without dead ends: 764 [2022-04-06 13:35:52,856 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 13:35:52,856 INFO L913 BasicCegarLoop]: 317 mSDtfsCounter, 671 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:52,857 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [681 Valid, 693 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 13:35:52,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-04-06 13:35:52,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 733. [2022-04-06 13:35:52,888 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 13:35:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 969 transitions. [2022-04-06 13:35:52,891 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 969 transitions. Word has length 43 [2022-04-06 13:35:52,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:52,891 INFO L478 AbstractCegarLoop]: Abstraction has 733 states and 969 transitions. [2022-04-06 13:35:52,892 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 13:35:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 969 transitions. [2022-04-06 13:35:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-06 13:35:52,892 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:52,892 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 13:35:52,892 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 13:35:52,893 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:52,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:52,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1688052930, now seen corresponding path program 1 times [2022-04-06 13:35:52,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:52,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123008297] [2022-04-06 13:35:52,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:52,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:52,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-06 13:35:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:52,989 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 13:35:52,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:52,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123008297] [2022-04-06 13:35:52,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123008297] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:52,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:52,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-06 13:35:52,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271076783] [2022-04-06 13:35:52,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:52,990 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 13:35:52,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:52,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 13:35:52,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-04-06 13:35:52,991 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 13:35:54,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:54,060 INFO L93 Difference]: Finished difference Result 1110 states and 1487 transitions. [2022-04-06 13:35:54,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-06 13:35:54,061 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 13:35:54,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:54,064 INFO L225 Difference]: With dead ends: 1110 [2022-04-06 13:35:54,064 INFO L226 Difference]: Without dead ends: 1107 [2022-04-06 13:35:54,065 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 13:35:54,065 INFO L913 BasicCegarLoop]: 440 mSDtfsCounter, 408 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:54,065 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [421 Valid, 649 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-06 13:35:54,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2022-04-06 13:35:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 846. [2022-04-06 13:35:54,106 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 13:35:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1123 transitions. [2022-04-06 13:35:54,108 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1123 transitions. Word has length 44 [2022-04-06 13:35:54,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:54,109 INFO L478 AbstractCegarLoop]: Abstraction has 846 states and 1123 transitions. [2022-04-06 13:35:54,109 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 13:35:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1123 transitions. [2022-04-06 13:35:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-06 13:35:54,110 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:54,110 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 13:35:54,110 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-06 13:35:54,110 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:54,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:54,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1627203032, now seen corresponding path program 1 times [2022-04-06 13:35:54,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:54,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643393499] [2022-04-06 13:35:54,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:54,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:54,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:35:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:54,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-04-06 13:35:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:54,262 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 13:35:54,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:54,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643393499] [2022-04-06 13:35:54,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643393499] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:54,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:54,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-06 13:35:54,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436006075] [2022-04-06 13:35:54,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:54,263 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 13:35:54,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:54,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 13:35:54,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-04-06 13:35:54,264 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 13:35:55,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:55,037 INFO L93 Difference]: Finished difference Result 889 states and 1174 transitions. [2022-04-06 13:35:55,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 13:35:55,037 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 13:35:55,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:55,043 INFO L225 Difference]: With dead ends: 889 [2022-04-06 13:35:55,043 INFO L226 Difference]: Without dead ends: 871 [2022-04-06 13:35:55,043 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 13:35:55,044 INFO L913 BasicCegarLoop]: 343 mSDtfsCounter, 220 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:55,044 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 1033 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 13:35:55,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-04-06 13:35:55,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 844. [2022-04-06 13:35:55,086 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 13:35:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1119 transitions. [2022-04-06 13:35:55,089 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1119 transitions. Word has length 44 [2022-04-06 13:35:55,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:55,090 INFO L478 AbstractCegarLoop]: Abstraction has 844 states and 1119 transitions. [2022-04-06 13:35:55,091 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 13:35:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1119 transitions. [2022-04-06 13:35:55,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-06 13:35:55,091 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:55,091 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 13:35:55,091 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 13:35:55,092 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:55,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:55,092 INFO L85 PathProgramCache]: Analyzing trace with hash -821084774, now seen corresponding path program 1 times [2022-04-06 13:35:55,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:55,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201758285] [2022-04-06 13:35:55,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:55,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:55,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:55,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-06 13:35:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:55,286 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 13:35:55,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:55,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201758285] [2022-04-06 13:35:55,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201758285] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:55,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:55,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-06 13:35:55,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009320234] [2022-04-06 13:35:55,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:55,286 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 13:35:55,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:55,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 13:35:55,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-06 13:35:55,287 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 13:35:56,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:56,660 INFO L93 Difference]: Finished difference Result 1460 states and 1912 transitions. [2022-04-06 13:35:56,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 13:35:56,661 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 13:35:56,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:56,664 INFO L225 Difference]: With dead ends: 1460 [2022-04-06 13:35:56,664 INFO L226 Difference]: Without dead ends: 898 [2022-04-06 13:35:56,665 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 13:35:56,666 INFO L913 BasicCegarLoop]: 447 mSDtfsCounter, 1173 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:56,666 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [1185 Valid, 662 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-06 13:35:56,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2022-04-06 13:35:56,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 835. [2022-04-06 13:35:56,710 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 13:35:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1098 transitions. [2022-04-06 13:35:56,713 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1098 transitions. Word has length 45 [2022-04-06 13:35:56,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:56,713 INFO L478 AbstractCegarLoop]: Abstraction has 835 states and 1098 transitions. [2022-04-06 13:35:56,713 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 13:35:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1098 transitions. [2022-04-06 13:35:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-04-06 13:35:56,714 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:56,714 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 13:35:56,714 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 13:35:56,714 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:56,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:56,714 INFO L85 PathProgramCache]: Analyzing trace with hash 926060866, now seen corresponding path program 1 times [2022-04-06 13:35:56,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:56,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823260571] [2022-04-06 13:35:56,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:56,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:56,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-06 13:35:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:56,835 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 13:35:56,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:56,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823260571] [2022-04-06 13:35:56,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823260571] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:56,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:56,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-06 13:35:56,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47322298] [2022-04-06 13:35:56,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:56,836 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-06 13:35:56,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:56,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-06 13:35:56,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-04-06 13:35:56,837 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 13:35:57,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:57,658 INFO L93 Difference]: Finished difference Result 934 states and 1199 transitions. [2022-04-06 13:35:57,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-06 13:35:57,659 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 13:35:57,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:57,661 INFO L225 Difference]: With dead ends: 934 [2022-04-06 13:35:57,661 INFO L226 Difference]: Without dead ends: 595 [2022-04-06 13:35:57,662 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 13:35:57,662 INFO L913 BasicCegarLoop]: 383 mSDtfsCounter, 632 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:57,662 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [639 Valid, 703 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 13:35:57,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-04-06 13:35:57,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 543. [2022-04-06 13:35:57,691 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 13:35:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 687 transitions. [2022-04-06 13:35:57,693 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 687 transitions. Word has length 49 [2022-04-06 13:35:57,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:57,693 INFO L478 AbstractCegarLoop]: Abstraction has 543 states and 687 transitions. [2022-04-06 13:35:57,693 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 13:35:57,693 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 687 transitions. [2022-04-06 13:35:57,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-04-06 13:35:57,694 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:57,694 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 13:35:57,694 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 13:35:57,694 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:57,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:57,694 INFO L85 PathProgramCache]: Analyzing trace with hash -399707783, now seen corresponding path program 1 times [2022-04-06 13:35:57,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:57,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974784199] [2022-04-06 13:35:57,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:57,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:57,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:57,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-04-06 13:35:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 13:35:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-06 13:35:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:57,807 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 13:35:57,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:57,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974784199] [2022-04-06 13:35:57,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974784199] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:57,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:57,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-06 13:35:57,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168760579] [2022-04-06 13:35:57,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:57,808 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-06 13:35:57,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:57,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-06 13:35:57,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-04-06 13:35:57,808 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 13:35:58,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:35:58,528 INFO L93 Difference]: Finished difference Result 849 states and 1082 transitions. [2022-04-06 13:35:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 13:35:58,529 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 13:35:58,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:35:58,531 INFO L225 Difference]: With dead ends: 849 [2022-04-06 13:35:58,531 INFO L226 Difference]: Without dead ends: 584 [2022-04-06 13:35:58,531 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 13:35:58,532 INFO L913 BasicCegarLoop]: 339 mSDtfsCounter, 320 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:35:58,532 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 748 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:35:58,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-04-06 13:35:58,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 557. [2022-04-06 13:35:58,577 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 13:35:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 707 transitions. [2022-04-06 13:35:58,578 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 707 transitions. Word has length 58 [2022-04-06 13:35:58,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:35:58,578 INFO L478 AbstractCegarLoop]: Abstraction has 557 states and 707 transitions. [2022-04-06 13:35:58,579 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 13:35:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 707 transitions. [2022-04-06 13:35:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-04-06 13:35:58,579 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:35:58,579 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 13:35:58,579 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 13:35:58,580 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:35:58,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:35:58,580 INFO L85 PathProgramCache]: Analyzing trace with hash -4114481, now seen corresponding path program 1 times [2022-04-06 13:35:58,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:35:58,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203895470] [2022-04-06 13:35:58,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:35:58,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:35:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:35:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:58,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:35:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:35:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:35:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 13:35:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:35:58,737 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 13:35:58,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:35:58,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203895470] [2022-04-06 13:35:58,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203895470] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:35:58,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:35:58,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 13:35:58,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134969996] [2022-04-06 13:35:58,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:35:58,738 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 13:35:58,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:35:58,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 13:35:58,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:35:58,739 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 13:36:00,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:00,502 INFO L93 Difference]: Finished difference Result 804 states and 1023 transitions. [2022-04-06 13:36:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-06 13:36:00,503 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 13:36:00,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:00,505 INFO L225 Difference]: With dead ends: 804 [2022-04-06 13:36:00,505 INFO L226 Difference]: Without dead ends: 729 [2022-04-06 13:36:00,505 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 13:36:00,506 INFO L913 BasicCegarLoop]: 436 mSDtfsCounter, 736 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 2466 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 2750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 2466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:00,506 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [738 Valid, 1288 Invalid, 2750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 2466 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-06 13:36:00,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2022-04-06 13:36:00,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 586. [2022-04-06 13:36:00,538 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 13:36:00,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 740 transitions. [2022-04-06 13:36:00,540 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 740 transitions. Word has length 52 [2022-04-06 13:36:00,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:00,540 INFO L478 AbstractCegarLoop]: Abstraction has 586 states and 740 transitions. [2022-04-06 13:36:00,540 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 13:36:00,540 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 740 transitions. [2022-04-06 13:36:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 13:36:00,541 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:00,541 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 13:36:00,541 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-06 13:36:00,541 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:00,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:00,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1043769892, now seen corresponding path program 1 times [2022-04-06 13:36:00,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:00,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141583455] [2022-04-06 13:36:00,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:00,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:00,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:00,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 13:36:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 13:36:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 13:36:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:00,721 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 13:36:00,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:00,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141583455] [2022-04-06 13:36:00,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141583455] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:00,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:00,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-06 13:36:00,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599864736] [2022-04-06 13:36:00,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:00,722 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 13:36:00,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:00,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 13:36:00,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-04-06 13:36:00,723 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 13:36:01,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:01,416 INFO L93 Difference]: Finished difference Result 880 states and 1120 transitions. [2022-04-06 13:36:01,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-06 13:36:01,416 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 13:36:01,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:01,418 INFO L225 Difference]: With dead ends: 880 [2022-04-06 13:36:01,418 INFO L226 Difference]: Without dead ends: 572 [2022-04-06 13:36:01,419 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 13:36:01,420 INFO L913 BasicCegarLoop]: 344 mSDtfsCounter, 340 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:01,420 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 1177 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:36:01,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-04-06 13:36:01,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 534. [2022-04-06 13:36:01,453 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 13:36:01,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 667 transitions. [2022-04-06 13:36:01,454 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 667 transitions. Word has length 61 [2022-04-06 13:36:01,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:01,454 INFO L478 AbstractCegarLoop]: Abstraction has 534 states and 667 transitions. [2022-04-06 13:36:01,454 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 13:36:01,454 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 667 transitions. [2022-04-06 13:36:01,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-06 13:36:01,455 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:01,455 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 13:36:01,455 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-06 13:36:01,455 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:01,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:01,455 INFO L85 PathProgramCache]: Analyzing trace with hash 197420613, now seen corresponding path program 1 times [2022-04-06 13:36:01,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:01,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650289583] [2022-04-06 13:36:01,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:01,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:01,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 13:36:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:01,583 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 13:36:01,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:01,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650289583] [2022-04-06 13:36:01,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650289583] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:01,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:01,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-06 13:36:01,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699179364] [2022-04-06 13:36:01,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:01,584 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 13:36:01,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:01,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 13:36:01,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-04-06 13:36:01,584 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 13:36:02,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:02,331 INFO L93 Difference]: Finished difference Result 912 states and 1160 transitions. [2022-04-06 13:36:02,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-06 13:36:02,332 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 13:36:02,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:02,334 INFO L225 Difference]: With dead ends: 912 [2022-04-06 13:36:02,334 INFO L226 Difference]: Without dead ends: 587 [2022-04-06 13:36:02,334 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 13:36:02,335 INFO L913 BasicCegarLoop]: 319 mSDtfsCounter, 906 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:02,335 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [919 Valid, 741 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:36:02,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2022-04-06 13:36:02,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 543. [2022-04-06 13:36:02,369 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 13:36:02,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 679 transitions. [2022-04-06 13:36:02,370 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 679 transitions. Word has length 54 [2022-04-06 13:36:02,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:02,370 INFO L478 AbstractCegarLoop]: Abstraction has 543 states and 679 transitions. [2022-04-06 13:36:02,370 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 13:36:02,370 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 679 transitions. [2022-04-06 13:36:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-06 13:36:02,371 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:02,371 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 13:36:02,371 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-06 13:36:02,371 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:02,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:02,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1550730310, now seen corresponding path program 1 times [2022-04-06 13:36:02,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:02,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088301084] [2022-04-06 13:36:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:02,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:02,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:02,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:02,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:02,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 13:36:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:02,535 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 13:36:02,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:02,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088301084] [2022-04-06 13:36:02,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088301084] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:02,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:02,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-04-06 13:36:02,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315949983] [2022-04-06 13:36:02,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:02,536 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-06 13:36:02,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:02,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-06 13:36:02,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-04-06 13:36:02,536 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 13:36:03,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:03,567 INFO L93 Difference]: Finished difference Result 645 states and 809 transitions. [2022-04-06 13:36:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 13:36:03,569 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 13:36:03,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:03,570 INFO L225 Difference]: With dead ends: 645 [2022-04-06 13:36:03,570 INFO L226 Difference]: Without dead ends: 555 [2022-04-06 13:36:03,571 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 13:36:03,571 INFO L913 BasicCegarLoop]: 317 mSDtfsCounter, 586 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:03,571 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [593 Valid, 943 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 13:36:03,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-04-06 13:36:03,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 524. [2022-04-06 13:36:03,605 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 13:36:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 653 transitions. [2022-04-06 13:36:03,606 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 653 transitions. Word has length 54 [2022-04-06 13:36:03,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:03,606 INFO L478 AbstractCegarLoop]: Abstraction has 524 states and 653 transitions. [2022-04-06 13:36:03,606 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 13:36:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 653 transitions. [2022-04-06 13:36:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-06 13:36:03,607 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:03,607 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 13:36:03,607 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-06 13:36:03,607 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:03,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:03,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1906967654, now seen corresponding path program 1 times [2022-04-06 13:36:03,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:03,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14626043] [2022-04-06 13:36:03,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:03,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 13:36:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:03,721 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 13:36:03,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:03,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14626043] [2022-04-06 13:36:03,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14626043] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:03,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:03,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-06 13:36:03,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136015147] [2022-04-06 13:36:03,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:03,722 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-06 13:36:03,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:03,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-06 13:36:03,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-04-06 13:36:03,723 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 13:36:04,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:04,457 INFO L93 Difference]: Finished difference Result 571 states and 708 transitions. [2022-04-06 13:36:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-06 13:36:04,458 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 13:36:04,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:04,459 INFO L225 Difference]: With dead ends: 571 [2022-04-06 13:36:04,459 INFO L226 Difference]: Without dead ends: 552 [2022-04-06 13:36:04,460 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 13:36:04,463 INFO L913 BasicCegarLoop]: 350 mSDtfsCounter, 253 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:04,463 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 666 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:36:04,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2022-04-06 13:36:04,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 519. [2022-04-06 13:36:04,500 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 13:36:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 642 transitions. [2022-04-06 13:36:04,501 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 642 transitions. Word has length 54 [2022-04-06 13:36:04,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:04,501 INFO L478 AbstractCegarLoop]: Abstraction has 519 states and 642 transitions. [2022-04-06 13:36:04,501 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 13:36:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 642 transitions. [2022-04-06 13:36:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-06 13:36:04,502 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:04,502 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 13:36:04,502 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-06 13:36:04,502 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:04,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:04,502 INFO L85 PathProgramCache]: Analyzing trace with hash -982023083, now seen corresponding path program 1 times [2022-04-06 13:36:04,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:04,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641845087] [2022-04-06 13:36:04,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:04,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:04,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:04,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:04,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 13:36:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:04,685 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 13:36:04,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:04,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641845087] [2022-04-06 13:36:04,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641845087] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:04,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:04,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-04-06 13:36:04,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031082134] [2022-04-06 13:36:04,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:04,686 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-06 13:36:04,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:04,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-06 13:36:04,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-04-06 13:36:04,687 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 13:36:05,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:05,489 INFO L93 Difference]: Finished difference Result 584 states and 726 transitions. [2022-04-06 13:36:05,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 13:36:05,490 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 13:36:05,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:05,491 INFO L225 Difference]: With dead ends: 584 [2022-04-06 13:36:05,491 INFO L226 Difference]: Without dead ends: 580 [2022-04-06 13:36:05,492 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 13:36:05,492 INFO L913 BasicCegarLoop]: 332 mSDtfsCounter, 299 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 13:36:05,492 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 13:36:05,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2022-04-06 13:36:05,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 536. [2022-04-06 13:36:05,527 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 13:36:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 664 transitions. [2022-04-06 13:36:05,528 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 664 transitions. Word has length 55 [2022-04-06 13:36:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:05,528 INFO L478 AbstractCegarLoop]: Abstraction has 536 states and 664 transitions. [2022-04-06 13:36:05,528 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 13:36:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 664 transitions. [2022-04-06 13:36:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-06 13:36:05,529 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:05,529 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 13:36:05,529 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-06 13:36:05,529 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:05,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:05,530 INFO L85 PathProgramCache]: Analyzing trace with hash -981991339, now seen corresponding path program 1 times [2022-04-06 13:36:05,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:05,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144334913] [2022-04-06 13:36:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:05,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:05,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:05,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:05,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 13:36:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:05,663 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 13:36:05,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:05,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144334913] [2022-04-06 13:36:05,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144334913] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:05,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:05,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-04-06 13:36:05,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933316436] [2022-04-06 13:36:05,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:05,664 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-06 13:36:05,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:05,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-06 13:36:05,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-04-06 13:36:05,665 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 13:36:06,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:06,622 INFO L93 Difference]: Finished difference Result 579 states and 714 transitions. [2022-04-06 13:36:06,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 13:36:06,623 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 13:36:06,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:06,625 INFO L225 Difference]: With dead ends: 579 [2022-04-06 13:36:06,625 INFO L226 Difference]: Without dead ends: 564 [2022-04-06 13:36:06,625 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 13:36:06,626 INFO L913 BasicCegarLoop]: 336 mSDtfsCounter, 201 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 1987 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:06,626 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 1439 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1987 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-06 13:36:06,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-04-06 13:36:06,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 533. [2022-04-06 13:36:06,660 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 13:36:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 660 transitions. [2022-04-06 13:36:06,661 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 660 transitions. Word has length 55 [2022-04-06 13:36:06,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:06,661 INFO L478 AbstractCegarLoop]: Abstraction has 533 states and 660 transitions. [2022-04-06 13:36:06,661 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 13:36:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 660 transitions. [2022-04-06 13:36:06,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-04-06 13:36:06,665 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:06,665 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 13:36:06,665 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-06 13:36:06,665 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:06,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:06,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1286130686, now seen corresponding path program 1 times [2022-04-06 13:36:06,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:06,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555844539] [2022-04-06 13:36:06,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:06,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:06,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:06,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 13:36:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:06,825 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 13:36:06,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:06,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555844539] [2022-04-06 13:36:06,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555844539] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:06,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:06,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-06 13:36:06,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693260288] [2022-04-06 13:36:06,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:06,825 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 13:36:06,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:06,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 13:36:06,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-04-06 13:36:06,826 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 13:36:07,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:07,928 INFO L93 Difference]: Finished difference Result 570 states and 702 transitions. [2022-04-06 13:36:07,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 13:36:07,929 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 13:36:07,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:07,930 INFO L225 Difference]: With dead ends: 570 [2022-04-06 13:36:07,931 INFO L226 Difference]: Without dead ends: 552 [2022-04-06 13:36:07,931 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-04-06 13:36:07,931 INFO L913 BasicCegarLoop]: 339 mSDtfsCounter, 549 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:07,931 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [560 Valid, 756 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 13:36:07,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2022-04-06 13:36:07,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 515. [2022-04-06 13:36:07,976 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 13:36:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 635 transitions. [2022-04-06 13:36:07,976 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 635 transitions. Word has length 56 [2022-04-06 13:36:07,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:07,977 INFO L478 AbstractCegarLoop]: Abstraction has 515 states and 635 transitions. [2022-04-06 13:36:07,977 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 13:36:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 635 transitions. [2022-04-06 13:36:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-04-06 13:36:07,978 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:07,978 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 13:36:07,978 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-06 13:36:07,978 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:07,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:07,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1409892568, now seen corresponding path program 1 times [2022-04-06 13:36:07,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:07,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817822602] [2022-04-06 13:36:07,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:07,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:08,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:08,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-04-06 13:36:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-04-06 13:36:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:08,173 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 13:36:08,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:08,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817822602] [2022-04-06 13:36:08,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817822602] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:08,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:08,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 13:36:08,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474407421] [2022-04-06 13:36:08,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:08,176 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 13:36:08,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:08,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 13:36:08,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:36:08,177 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 13:36:09,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:09,144 INFO L93 Difference]: Finished difference Result 563 states and 690 transitions. [2022-04-06 13:36:09,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-06 13:36:09,144 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 13:36:09,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:09,146 INFO L225 Difference]: With dead ends: 563 [2022-04-06 13:36:09,146 INFO L226 Difference]: Without dead ends: 535 [2022-04-06 13:36:09,146 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-04-06 13:36:09,147 INFO L913 BasicCegarLoop]: 314 mSDtfsCounter, 407 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:09,147 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 861 Invalid, 2176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-06 13:36:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-04-06 13:36:09,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 506. [2022-04-06 13:36:09,179 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 13:36:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 623 transitions. [2022-04-06 13:36:09,180 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 623 transitions. Word has length 57 [2022-04-06 13:36:09,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:09,180 INFO L478 AbstractCegarLoop]: Abstraction has 506 states and 623 transitions. [2022-04-06 13:36:09,180 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 13:36:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 623 transitions. [2022-04-06 13:36:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-06 13:36:09,181 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:09,181 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 13:36:09,181 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-06 13:36:09,181 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:09,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:09,182 INFO L85 PathProgramCache]: Analyzing trace with hash -463727783, now seen corresponding path program 1 times [2022-04-06 13:36:09,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:09,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954134103] [2022-04-06 13:36:09,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:09,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:09,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:09,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 13:36:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:09,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 13:36:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 13:36:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:09,347 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 13:36:09,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:09,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954134103] [2022-04-06 13:36:09,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954134103] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:09,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:09,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 13:36:09,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785689466] [2022-04-06 13:36:09,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:09,348 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 13:36:09,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:09,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 13:36:09,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:36:09,348 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 13:36:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:10,069 INFO L93 Difference]: Finished difference Result 798 states and 995 transitions. [2022-04-06 13:36:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-06 13:36:10,069 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 13:36:10,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:10,071 INFO L225 Difference]: With dead ends: 798 [2022-04-06 13:36:10,071 INFO L226 Difference]: Without dead ends: 539 [2022-04-06 13:36:10,072 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 13:36:10,072 INFO L913 BasicCegarLoop]: 314 mSDtfsCounter, 764 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:10,072 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [775 Valid, 786 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 13:36:10,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2022-04-06 13:36:10,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 506. [2022-04-06 13:36:10,106 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 13:36:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 621 transitions. [2022-04-06 13:36:10,107 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 621 transitions. Word has length 65 [2022-04-06 13:36:10,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:10,107 INFO L478 AbstractCegarLoop]: Abstraction has 506 states and 621 transitions. [2022-04-06 13:36:10,107 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 13:36:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 621 transitions. [2022-04-06 13:36:10,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-04-06 13:36:10,108 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:10,108 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 13:36:10,108 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-06 13:36:10,108 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:10,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:10,108 INFO L85 PathProgramCache]: Analyzing trace with hash -114011561, now seen corresponding path program 1 times [2022-04-06 13:36:10,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:10,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190184469] [2022-04-06 13:36:10,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:10,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:10,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:10,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:10,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-04-06 13:36:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:10,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:10,229 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 13:36:10,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:10,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190184469] [2022-04-06 13:36:10,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190184469] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:10,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:10,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-06 13:36:10,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466442617] [2022-04-06 13:36:10,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:10,230 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 13:36:10,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:10,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 13:36:10,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-04-06 13:36:10,231 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 13:36:10,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:10,889 INFO L93 Difference]: Finished difference Result 556 states and 679 transitions. [2022-04-06 13:36:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 13:36:10,890 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 13:36:10,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:10,891 INFO L225 Difference]: With dead ends: 556 [2022-04-06 13:36:10,891 INFO L226 Difference]: Without dead ends: 535 [2022-04-06 13:36:10,892 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 13:36:10,892 INFO L913 BasicCegarLoop]: 326 mSDtfsCounter, 393 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:10,892 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 536 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:36:10,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-04-06 13:36:10,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 505. [2022-04-06 13:36:10,933 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 13:36:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 615 transitions. [2022-04-06 13:36:10,934 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 615 transitions. Word has length 59 [2022-04-06 13:36:10,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:10,934 INFO L478 AbstractCegarLoop]: Abstraction has 505 states and 615 transitions. [2022-04-06 13:36:10,934 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 13:36:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 615 transitions. [2022-04-06 13:36:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-06 13:36:10,935 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:10,935 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 13:36:10,935 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-06 13:36:10,935 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:10,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:10,935 INFO L85 PathProgramCache]: Analyzing trace with hash 568579878, now seen corresponding path program 1 times [2022-04-06 13:36:10,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:10,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932151084] [2022-04-06 13:36:10,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:10,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:11,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:11,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 13:36:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 13:36:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 13:36:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:11,135 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 13:36:11,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:11,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932151084] [2022-04-06 13:36:11,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932151084] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:11,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:11,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 13:36:11,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299823867] [2022-04-06 13:36:11,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:11,135 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 13:36:11,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:11,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 13:36:11,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:36:11,136 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 13:36:12,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:12,027 INFO L93 Difference]: Finished difference Result 783 states and 965 transitions. [2022-04-06 13:36:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-06 13:36:12,027 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 13:36:12,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:12,029 INFO L225 Difference]: With dead ends: 783 [2022-04-06 13:36:12,030 INFO L226 Difference]: Without dead ends: 557 [2022-04-06 13:36:12,030 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 13:36:12,030 INFO L913 BasicCegarLoop]: 336 mSDtfsCounter, 369 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:12,031 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [377 Valid, 1293 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 13:36:12,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2022-04-06 13:36:12,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 505. [2022-04-06 13:36:12,065 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 13:36:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 613 transitions. [2022-04-06 13:36:12,066 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 613 transitions. Word has length 68 [2022-04-06 13:36:12,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:12,066 INFO L478 AbstractCegarLoop]: Abstraction has 505 states and 613 transitions. [2022-04-06 13:36:12,066 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 13:36:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 613 transitions. [2022-04-06 13:36:12,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 13:36:12,067 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:12,067 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] [2022-04-06 13:36:12,067 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-06 13:36:12,067 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:12,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:12,068 INFO L85 PathProgramCache]: Analyzing trace with hash -683420303, now seen corresponding path program 1 times [2022-04-06 13:36:12,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:12,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681354828] [2022-04-06 13:36:12,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:12,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:12,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-04-06 13:36:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:12,221 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 13:36:12,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:12,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681354828] [2022-04-06 13:36:12,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681354828] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:12,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:12,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-06 13:36:12,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150822763] [2022-04-06 13:36:12,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:12,222 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-06 13:36:12,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:12,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-06 13:36:12,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-04-06 13:36:12,223 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 13:36:12,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:12,897 INFO L93 Difference]: Finished difference Result 542 states and 657 transitions. [2022-04-06 13:36:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 13:36:12,898 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 13:36:12,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:12,899 INFO L225 Difference]: With dead ends: 542 [2022-04-06 13:36:12,899 INFO L226 Difference]: Without dead ends: 517 [2022-04-06 13:36:12,900 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 13:36:12,900 INFO L913 BasicCegarLoop]: 319 mSDtfsCounter, 605 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:12,900 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [617 Valid, 722 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:36:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-04-06 13:36:12,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 485. [2022-04-06 13:36:12,934 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 13:36:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 591 transitions. [2022-04-06 13:36:12,935 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 591 transitions. Word has length 61 [2022-04-06 13:36:12,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:12,935 INFO L478 AbstractCegarLoop]: Abstraction has 485 states and 591 transitions. [2022-04-06 13:36:12,935 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 13:36:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 591 transitions. [2022-04-06 13:36:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-06 13:36:12,936 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:12,936 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 13:36:12,936 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-06 13:36:12,936 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:12,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:12,936 INFO L85 PathProgramCache]: Analyzing trace with hash 330084932, now seen corresponding path program 1 times [2022-04-06 13:36:12,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:12,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294930490] [2022-04-06 13:36:12,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:12,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,081 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 13:36:13,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:13,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294930490] [2022-04-06 13:36:13,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294930490] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:13,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:13,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-06 13:36:13,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770434976] [2022-04-06 13:36:13,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:13,082 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-06 13:36:13,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:13,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-06 13:36:13,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-04-06 13:36:13,083 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 13:36:13,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:13,780 INFO L93 Difference]: Finished difference Result 529 states and 642 transitions. [2022-04-06 13:36:13,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 13:36:13,780 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 13:36:13,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:13,781 INFO L225 Difference]: With dead ends: 529 [2022-04-06 13:36:13,782 INFO L226 Difference]: Without dead ends: 508 [2022-04-06 13:36:13,782 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 13:36:13,782 INFO L913 BasicCegarLoop]: 327 mSDtfsCounter, 402 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:13,782 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 1532 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1719 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:36:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2022-04-06 13:36:13,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 481. [2022-04-06 13:36:13,824 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 13:36:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 585 transitions. [2022-04-06 13:36:13,824 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 585 transitions. Word has length 60 [2022-04-06 13:36:13,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:13,825 INFO L478 AbstractCegarLoop]: Abstraction has 481 states and 585 transitions. [2022-04-06 13:36:13,825 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 13:36:13,825 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 585 transitions. [2022-04-06 13:36:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 13:36:13,825 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:13,825 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 13:36:13,825 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-06 13:36:13,826 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:13,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:13,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1109788813, now seen corresponding path program 1 times [2022-04-06 13:36:13,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:13,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274292212] [2022-04-06 13:36:13,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:13,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:13,968 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 13:36:13,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:13,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274292212] [2022-04-06 13:36:13,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274292212] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:13,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:13,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-06 13:36:13,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192038297] [2022-04-06 13:36:13,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:13,968 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-06 13:36:13,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:13,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-06 13:36:13,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-04-06 13:36:13,969 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 13:36:14,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:14,974 INFO L93 Difference]: Finished difference Result 525 states and 636 transitions. [2022-04-06 13:36:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 13:36:14,974 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 13:36:14,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:14,976 INFO L225 Difference]: With dead ends: 525 [2022-04-06 13:36:14,976 INFO L226 Difference]: Without dead ends: 503 [2022-04-06 13:36:14,976 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 13:36:14,976 INFO L913 BasicCegarLoop]: 322 mSDtfsCounter, 152 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 2245 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 2245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:14,977 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 1554 Invalid, 2300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 2245 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-06 13:36:14,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-04-06 13:36:15,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 476. [2022-04-06 13:36:15,010 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 13:36:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 578 transitions. [2022-04-06 13:36:15,010 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 578 transitions. Word has length 61 [2022-04-06 13:36:15,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:15,011 INFO L478 AbstractCegarLoop]: Abstraction has 476 states and 578 transitions. [2022-04-06 13:36:15,011 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 13:36:15,011 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 578 transitions. [2022-04-06 13:36:15,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 13:36:15,011 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:15,011 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 13:36:15,012 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-04-06 13:36:15,012 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:15,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:15,012 INFO L85 PathProgramCache]: Analyzing trace with hash 155004021, now seen corresponding path program 1 times [2022-04-06 13:36:15,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:15,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838465878] [2022-04-06 13:36:15,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:15,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:15,162 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 13:36:15,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:15,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838465878] [2022-04-06 13:36:15,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838465878] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:15,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:15,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-06 13:36:15,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479001074] [2022-04-06 13:36:15,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:15,163 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-06 13:36:15,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:15,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-06 13:36:15,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-04-06 13:36:15,163 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 13:36:15,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:15,864 INFO L93 Difference]: Finished difference Result 520 states and 629 transitions. [2022-04-06 13:36:15,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 13:36:15,865 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 13:36:15,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:15,866 INFO L225 Difference]: With dead ends: 520 [2022-04-06 13:36:15,866 INFO L226 Difference]: Without dead ends: 499 [2022-04-06 13:36:15,867 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 13:36:15,867 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 430 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 1685 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:15,867 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [433 Valid, 1477 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1685 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:36:15,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2022-04-06 13:36:15,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 472. [2022-04-06 13:36:15,900 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 13:36:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 572 transitions. [2022-04-06 13:36:15,901 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 572 transitions. Word has length 61 [2022-04-06 13:36:15,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:15,901 INFO L478 AbstractCegarLoop]: Abstraction has 472 states and 572 transitions. [2022-04-06 13:36:15,901 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 13:36:15,901 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 572 transitions. [2022-04-06 13:36:15,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-04-06 13:36:15,902 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:15,902 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] [2022-04-06 13:36:15,902 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-04-06 13:36:15,902 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:15,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:15,903 INFO L85 PathProgramCache]: Analyzing trace with hash 602415460, now seen corresponding path program 1 times [2022-04-06 13:36:15,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:15,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712734227] [2022-04-06 13:36:15,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:15,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 13:36:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 13:36:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 13:36:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,027 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 13:36:16,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:16,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712734227] [2022-04-06 13:36:16,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712734227] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:16,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:16,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-06 13:36:16,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978553846] [2022-04-06 13:36:16,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:16,027 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 13:36:16,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:16,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 13:36:16,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-04-06 13:36:16,028 INFO L87 Difference]: Start difference. First operand 472 states and 572 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (11), 9 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-06 13:36:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:16,620 INFO L93 Difference]: Finished difference Result 896 states and 1099 transitions. [2022-04-06 13:36:16,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 13:36:16,620 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (11), 9 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2022-04-06 13:36:16,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:16,622 INFO L225 Difference]: With dead ends: 896 [2022-04-06 13:36:16,622 INFO L226 Difference]: Without dead ends: 643 [2022-04-06 13:36:16,629 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 13:36:16,629 INFO L913 BasicCegarLoop]: 369 mSDtfsCounter, 745 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:16,630 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [756 Valid, 877 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 13:36:16,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-04-06 13:36:16,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 593. [2022-04-06 13:36:16,679 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 13:36:16,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 720 transitions. [2022-04-06 13:36:16,680 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 720 transitions. Word has length 70 [2022-04-06 13:36:16,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:16,680 INFO L478 AbstractCegarLoop]: Abstraction has 593 states and 720 transitions. [2022-04-06 13:36:16,680 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (11), 9 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-06 13:36:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 720 transitions. [2022-04-06 13:36:16,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-06 13:36:16,681 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:16,681 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, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:36:16,681 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-04-06 13:36:16,681 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:16,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:16,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1775283994, now seen corresponding path program 1 times [2022-04-06 13:36:16,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:16,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314767141] [2022-04-06 13:36:16,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:16,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-04-06 13:36:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:16,822 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 13:36:16,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:16,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314767141] [2022-04-06 13:36:16,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314767141] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:16,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:16,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-06 13:36:16,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56342696] [2022-04-06 13:36:16,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:16,823 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-06 13:36:16,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:16,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-06 13:36:16,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-04-06 13:36:16,824 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 13:36:17,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:17,500 INFO L93 Difference]: Finished difference Result 637 states and 772 transitions. [2022-04-06 13:36:17,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-06 13:36:17,500 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 13:36:17,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:17,502 INFO L225 Difference]: With dead ends: 637 [2022-04-06 13:36:17,502 INFO L226 Difference]: Without dead ends: 594 [2022-04-06 13:36:17,502 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 13:36:17,503 INFO L913 BasicCegarLoop]: 308 mSDtfsCounter, 424 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 1795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:17,503 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 1420 Invalid, 1795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1630 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:36:17,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2022-04-06 13:36:17,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 567. [2022-04-06 13:36:17,541 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 13:36:17,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 688 transitions. [2022-04-06 13:36:17,542 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 688 transitions. Word has length 65 [2022-04-06 13:36:17,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:17,542 INFO L478 AbstractCegarLoop]: Abstraction has 567 states and 688 transitions. [2022-04-06 13:36:17,542 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 13:36:17,542 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 688 transitions. [2022-04-06 13:36:17,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-04-06 13:36:17,543 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:17,543 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 13:36:17,543 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-04-06 13:36:17,543 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:17,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:17,543 INFO L85 PathProgramCache]: Analyzing trace with hash -780637837, now seen corresponding path program 1 times [2022-04-06 13:36:17,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:17,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211221741] [2022-04-06 13:36:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:17,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:17,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 13:36:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:17,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 13:36:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 13:36:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:17,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-04-06 13:36:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:17,708 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 13:36:17,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:17,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211221741] [2022-04-06 13:36:17,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211221741] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:17,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:17,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-06 13:36:17,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901272423] [2022-04-06 13:36:17,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:17,708 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-06 13:36:17,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:17,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-06 13:36:17,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-04-06 13:36:17,709 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 13:36:18,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:18,408 INFO L93 Difference]: Finished difference Result 899 states and 1097 transitions. [2022-04-06 13:36:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-06 13:36:18,409 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 13:36:18,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:18,410 INFO L225 Difference]: With dead ends: 899 [2022-04-06 13:36:18,410 INFO L226 Difference]: Without dead ends: 582 [2022-04-06 13:36:18,411 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 13:36:18,411 INFO L913 BasicCegarLoop]: 403 mSDtfsCounter, 412 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:18,411 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [419 Valid, 1047 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 13:36:18,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-04-06 13:36:18,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 549. [2022-04-06 13:36:18,449 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 13:36:18,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 658 transitions. [2022-04-06 13:36:18,450 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 658 transitions. Word has length 79 [2022-04-06 13:36:18,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:18,450 INFO L478 AbstractCegarLoop]: Abstraction has 549 states and 658 transitions. [2022-04-06 13:36:18,450 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 13:36:18,450 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 658 transitions. [2022-04-06 13:36:18,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-04-06 13:36:18,451 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:18,451 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 13:36:18,451 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-04-06 13:36:18,451 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:18,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:18,451 INFO L85 PathProgramCache]: Analyzing trace with hash -503170370, now seen corresponding path program 1 times [2022-04-06 13:36:18,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:18,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103520014] [2022-04-06 13:36:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:18,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-06 13:36:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 13:36:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 13:36:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-04-06 13:36:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 13:36:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:18,631 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 13:36:18,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:18,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103520014] [2022-04-06 13:36:18,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103520014] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:18,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:18,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-06 13:36:18,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341528548] [2022-04-06 13:36:18,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:18,632 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-06 13:36:18,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:18,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-06 13:36:18,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-04-06 13:36:18,632 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 13:36:19,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:19,520 INFO L93 Difference]: Finished difference Result 912 states and 1132 transitions. [2022-04-06 13:36:19,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-06 13:36:19,520 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 13:36:19,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:19,522 INFO L225 Difference]: With dead ends: 912 [2022-04-06 13:36:19,522 INFO L226 Difference]: Without dead ends: 658 [2022-04-06 13:36:19,523 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 13:36:19,523 INFO L913 BasicCegarLoop]: 354 mSDtfsCounter, 438 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:19,523 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 1645 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 13:36:19,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2022-04-06 13:36:19,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 513. [2022-04-06 13:36:19,560 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 13:36:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 612 transitions. [2022-04-06 13:36:19,561 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 612 transitions. Word has length 80 [2022-04-06 13:36:19,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:19,561 INFO L478 AbstractCegarLoop]: Abstraction has 513 states and 612 transitions. [2022-04-06 13:36:19,561 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 13:36:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 612 transitions. [2022-04-06 13:36:19,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-06 13:36:19,562 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:19,562 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 13:36:19,562 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-04-06 13:36:19,562 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:19,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:19,562 INFO L85 PathProgramCache]: Analyzing trace with hash 350908657, now seen corresponding path program 1 times [2022-04-06 13:36:19,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:19,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62494948] [2022-04-06 13:36:19,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:19,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:19,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:19,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:19,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 13:36:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:19,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 13:36:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-04-06 13:36:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:19,745 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 13:36:19,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:19,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62494948] [2022-04-06 13:36:19,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62494948] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:19,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:19,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-06 13:36:19,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862802493] [2022-04-06 13:36:19,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:19,746 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-06 13:36:19,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:19,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-06 13:36:19,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-04-06 13:36:19,746 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 13:36:20,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:20,696 INFO L93 Difference]: Finished difference Result 591 states and 704 transitions. [2022-04-06 13:36:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-06 13:36:20,697 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 13:36:20,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:20,699 INFO L225 Difference]: With dead ends: 591 [2022-04-06 13:36:20,699 INFO L226 Difference]: Without dead ends: 570 [2022-04-06 13:36:20,699 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 13:36:20,699 INFO L913 BasicCegarLoop]: 304 mSDtfsCounter, 270 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:20,699 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 1790 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1954 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 13:36:20,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-04-06 13:36:20,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 521. [2022-04-06 13:36:20,745 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 13:36:20,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 622 transitions. [2022-04-06 13:36:20,746 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 622 transitions. Word has length 85 [2022-04-06 13:36:20,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:20,746 INFO L478 AbstractCegarLoop]: Abstraction has 521 states and 622 transitions. [2022-04-06 13:36:20,746 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 13:36:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 622 transitions. [2022-04-06 13:36:20,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-04-06 13:36:20,747 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:20,747 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 13:36:20,747 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-04-06 13:36:20,747 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:20,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:20,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1483403988, now seen corresponding path program 1 times [2022-04-06 13:36:20,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:20,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095270741] [2022-04-06 13:36:20,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:20,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:20,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:20,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-04-06 13:36:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:20,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-04-06 13:36:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-04-06 13:36:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:20,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-04-06 13:36:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:20,980 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 13:36:20,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:20,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095270741] [2022-04-06 13:36:20,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095270741] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:20,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:20,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-06 13:36:20,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745910978] [2022-04-06 13:36:20,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:20,982 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-06 13:36:20,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:20,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-06 13:36:20,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-04-06 13:36:20,984 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 13:36:21,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:21,922 INFO L93 Difference]: Finished difference Result 591 states and 703 transitions. [2022-04-06 13:36:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-06 13:36:21,923 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 13:36:21,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:21,924 INFO L225 Difference]: With dead ends: 591 [2022-04-06 13:36:21,924 INFO L226 Difference]: Without dead ends: 570 [2022-04-06 13:36:21,925 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 13:36:21,926 INFO L913 BasicCegarLoop]: 320 mSDtfsCounter, 346 mSDsluCounter, 1508 mSDsCounter, 0 mSdLazyCounter, 1949 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:21,926 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [350 Valid, 1828 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1949 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 13:36:21,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-04-06 13:36:21,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 513. [2022-04-06 13:36:21,964 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 13:36:21,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 611 transitions. [2022-04-06 13:36:21,965 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 611 transitions. Word has length 86 [2022-04-06 13:36:21,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:21,965 INFO L478 AbstractCegarLoop]: Abstraction has 513 states and 611 transitions. [2022-04-06 13:36:21,965 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 13:36:21,965 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 611 transitions. [2022-04-06 13:36:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-04-06 13:36:21,966 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:21,966 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 13:36:21,966 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-04-06 13:36:21,966 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:21,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:21,966 INFO L85 PathProgramCache]: Analyzing trace with hash 305068683, now seen corresponding path program 1 times [2022-04-06 13:36:21,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:21,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293189247] [2022-04-06 13:36:21,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:21,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:36:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 13:36:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 13:36:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-04-06 13:36:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-04-06 13:36:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 13:36:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:36:22,124 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 13:36:22,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:36:22,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293189247] [2022-04-06 13:36:22,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293189247] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:36:22,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:36:22,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-06 13:36:22,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381611107] [2022-04-06 13:36:22,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:36:22,126 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 13:36:22,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:36:22,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 13:36:22,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:36:22,127 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 13:36:23,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:36:23,096 INFO L93 Difference]: Finished difference Result 1002 states and 1178 transitions. [2022-04-06 13:36:23,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-06 13:36:23,097 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 13:36:23,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:36:23,099 INFO L225 Difference]: With dead ends: 1002 [2022-04-06 13:36:23,099 INFO L226 Difference]: Without dead ends: 660 [2022-04-06 13:36:23,100 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 13:36:23,100 INFO L913 BasicCegarLoop]: 333 mSDtfsCounter, 796 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 1690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 13:36:23,100 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [803 Valid, 581 Invalid, 1690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 13:36:23,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-04-06 13:36:23,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 634. [2022-04-06 13:36:23,148 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 13:36:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 744 transitions. [2022-04-06 13:36:23,149 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 744 transitions. Word has length 81 [2022-04-06 13:36:23,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:36:23,149 INFO L478 AbstractCegarLoop]: Abstraction has 634 states and 744 transitions. [2022-04-06 13:36:23,149 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 13:36:23,149 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 744 transitions. [2022-04-06 13:36:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-04-06 13:36:23,150 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:36:23,150 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 13:36:23,150 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-04-06 13:36:23,150 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:36:23,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:36:23,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1596391875, now seen corresponding path program 1 times [2022-04-06 13:36:23,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:36:23,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709794588] [2022-04-06 13:36:23,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:36:23,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:36:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-06 13:36:23,162 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-06 13:36:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-06 13:36:23,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-06 13:36:23,205 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-06 13:36:23,206 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 13:36:23,207 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-04-06 13:36:23,209 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 13:36:23,211 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 13:36:23,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:36:23 BasicIcfg [2022-04-06 13:36:23,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 13:36:23,289 INFO L158 Benchmark]: Toolchain (without parser) took 41503.45ms. Allocated memory was 255.9MB in the beginning and 496.0MB in the end (delta: 240.1MB). Free memory was 194.8MB in the beginning and 222.7MB in the end (delta: -27.9MB). Peak memory consumption was 212.4MB. Max. memory is 8.0GB. [2022-04-06 13:36:23,289 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 255.9MB. Free memory is still 211.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 13:36:23,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.06ms. Allocated memory was 255.9MB in the beginning and 320.9MB in the end (delta: 65.0MB). Free memory was 194.6MB in the beginning and 280.7MB in the end (delta: -86.1MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. [2022-04-06 13:36:23,290 INFO L158 Benchmark]: Boogie Preprocessor took 48.93ms. Allocated memory is still 320.9MB. Free memory was 280.7MB in the beginning and 277.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-06 13:36:23,291 INFO L158 Benchmark]: RCFGBuilder took 703.57ms. Allocated memory is still 320.9MB. Free memory was 277.3MB in the beginning and 237.1MB in the end (delta: 40.2MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2022-04-06 13:36:23,291 INFO L158 Benchmark]: IcfgTransformer took 54.65ms. Allocated memory is still 320.9MB. Free memory was 237.1MB in the beginning and 232.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-06 13:36:23,291 INFO L158 Benchmark]: TraceAbstraction took 40353.02ms. Allocated memory was 320.9MB in the beginning and 496.0MB in the end (delta: 175.1MB). Free memory was 231.4MB in the beginning and 222.7MB in the end (delta: 8.7MB). Peak memory consumption was 185.1MB. Max. memory is 8.0GB. [2022-04-06 13:36:23,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 255.9MB. Free memory is still 211.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 336.06ms. Allocated memory was 255.9MB in the beginning and 320.9MB in the end (delta: 65.0MB). Free memory was 194.6MB in the beginning and 280.7MB in the end (delta: -86.1MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.93ms. Allocated memory is still 320.9MB. Free memory was 280.7MB in the beginning and 277.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 703.57ms. Allocated memory is still 320.9MB. Free memory was 277.3MB in the beginning and 237.1MB in the end (delta: 40.2MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * IcfgTransformer took 54.65ms. Allocated memory is still 320.9MB. Free memory was 237.1MB in the beginning and 232.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 40353.02ms. Allocated memory was 320.9MB in the beginning and 496.0MB in the end (delta: 175.1MB). Free memory was 231.4MB in the beginning and 222.7MB in the end (delta: 8.7MB). Peak memory consumption was 185.1MB. 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: 40.2s, OverallIterations: 39, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19171 SdHoareTripleChecker+Valid, 26.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18889 mSDsluCounter, 36734 SdHoareTripleChecker+Invalid, 22.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23509 mSDsCounter, 6351 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45674 IncrementalHoareTripleChecker+Invalid, 52025 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6351 mSolverCounterUnsat, 13225 mSDtfsCounter, 45674 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 836 GetRequests, 346 SyntacticMatches, 7 SemanticMatches, 483 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 6.7s 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: 1.4s AutomataMinimizationTime, 38 MinimizatonAttempts, 1822 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 2154 NumberOfCodeBlocks, 2154 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 2034 ConstructedInterpolants, 0 QuantifiedInterpolants, 10522 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 13:36:23,322 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...