./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d90cbad8cb6ced9c4f7ef95245e13f326de4004d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:20:20,159 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:20:20,160 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:20:20,166 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:20:20,167 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:20:20,167 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:20:20,168 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:20:20,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:20:20,170 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:20:20,171 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:20:20,171 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:20:20,171 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:20:20,172 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:20:20,173 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:20:20,173 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:20:20,174 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:20:20,175 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:20:20,176 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:20:20,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:20:20,178 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:20:20,179 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:20:20,179 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:20:20,181 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:20:20,181 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:20:20,181 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:20:20,182 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:20:20,182 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:20:20,183 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:20:20,183 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:20:20,184 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:20:20,184 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:20:20,185 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:20:20,185 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:20:20,185 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:20:20,186 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:20:20,186 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:20:20,186 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 09:20:20,196 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:20:20,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:20:20,196 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:20:20,196 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:20:20,197 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:20:20,197 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:20:20,197 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 09:20:20,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:20:20,197 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:20:20,198 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:20:20,198 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:20:20,198 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:20:20,198 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:20:20,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:20:20,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:20:20,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:20:20,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:20:20,199 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:20:20,199 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:20:20,199 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:20:20,199 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:20:20,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 09:20:20,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:20:20,199 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:20:20,200 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:20:20,200 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:20:20,200 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 09:20:20,200 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:20:20,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:20:20,200 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d90cbad8cb6ced9c4f7ef95245e13f326de4004d [2018-11-10 09:20:20,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:20:20,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:20:20,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:20:20,236 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:20:20,236 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:20:20,236 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-10 09:20:20,272 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/data/cc18d076b/f9401f49ba504a72bbd84a9414521962/FLAGbbeaa40f0 [2018-11-10 09:20:20,727 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:20:20,727 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-10 09:20:20,739 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/data/cc18d076b/f9401f49ba504a72bbd84a9414521962/FLAGbbeaa40f0 [2018-11-10 09:20:20,751 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/data/cc18d076b/f9401f49ba504a72bbd84a9414521962 [2018-11-10 09:20:20,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:20:20,755 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 09:20:20,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:20:20,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:20:20,759 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:20:20,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:20:20" (1/1) ... [2018-11-10 09:20:20,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d98d4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:20, skipping insertion in model container [2018-11-10 09:20:20,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:20:20" (1/1) ... [2018-11-10 09:20:20,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:20:20,807 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:20:21,023 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:20:21,027 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:20:21,093 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:20:21,106 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:20:21,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:21 WrapperNode [2018-11-10 09:20:21,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:20:21,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:20:21,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:20:21,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:20:21,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:21" (1/1) ... [2018-11-10 09:20:21,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:21" (1/1) ... [2018-11-10 09:20:21,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:21" (1/1) ... [2018-11-10 09:20:21,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:21" (1/1) ... [2018-11-10 09:20:21,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:21" (1/1) ... [2018-11-10 09:20:21,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:21" (1/1) ... [2018-11-10 09:20:21,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:21" (1/1) ... [2018-11-10 09:20:21,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:20:21,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:20:21,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:20:21,204 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:20:21,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:20:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 09:20:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:20:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-10 09:20:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-11-10 09:20:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-11-10 09:20:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-11-10 09:20:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-11-10 09:20:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-11-10 09:20:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-11-10 09:20:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2018-11-10 09:20:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-10 09:20:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 09:20:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-11-10 09:20:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-11-10 09:20:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-11-10 09:20:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-11-10 09:20:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-11-10 09:20:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-10 09:20:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-10 09:20:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-10 09:20:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-10 09:20:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-10 09:20:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-11-10 09:20:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-11-10 09:20:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-10 09:20:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-11-10 09:20:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-11-10 09:20:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-11-10 09:20:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-11-10 09:20:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-10 09:20:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 09:20:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-10 09:20:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 09:20:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-11-10 09:20:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-10 09:20:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-11-10 09:20:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-11-10 09:20:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-11-10 09:20:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-11-10 09:20:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-11-10 09:20:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-11-10 09:20:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-11-10 09:20:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-11-10 09:20:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-11-10 09:20:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-11-10 09:20:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-11-10 09:20:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-10 09:20:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-10 09:20:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-10 09:20:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-11-10 09:20:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-11-10 09:20:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-10 09:20:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-11-10 09:20:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-11-10 09:20:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-11-10 09:20:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-11-10 09:20:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-10 09:20:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-10 09:20:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-10 09:20:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2018-11-10 09:20:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-10 09:20:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 09:20:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-10 09:20:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 09:20:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:20:21,440 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:21,440 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:21,476 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:21,476 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:21,487 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:21,488 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:21,647 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:21,647 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:21,739 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:21,739 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:21,799 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:21,799 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:21,803 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:21,803 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:21,807 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:21,808 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:21,857 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:21,858 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:21,881 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:21,881 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:22,044 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:22,045 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:22,048 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:22,048 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:22,067 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 09:20:22,067 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 09:20:22,078 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:20:22,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:20:22 BoogieIcfgContainer [2018-11-10 09:20:22,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:20:22,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 09:20:22,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 09:20:22,082 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 09:20:22,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:20:20" (1/3) ... [2018-11-10 09:20:22,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212f189f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:20:22, skipping insertion in model container [2018-11-10 09:20:22,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:20:21" (2/3) ... [2018-11-10 09:20:22,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212f189f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:20:22, skipping insertion in model container [2018-11-10 09:20:22,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:20:22" (3/3) ... [2018-11-10 09:20:22,084 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-10 09:20:22,091 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 09:20:22,096 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 09:20:22,105 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 09:20:22,129 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 09:20:22,129 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 09:20:22,129 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 09:20:22,129 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 09:20:22,129 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 09:20:22,129 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 09:20:22,130 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 09:20:22,130 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 09:20:22,130 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 09:20:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states. [2018-11-10 09:20:22,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 09:20:22,154 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:22,155 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:20:22,157 INFO L424 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:22,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:22,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1729519402, now seen corresponding path program 1 times [2018-11-10 09:20:22,162 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:22,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:22,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:22,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:22,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:22,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:22,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:22,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:22,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:22,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:22,332 INFO L87 Difference]: Start difference. First operand 391 states. Second operand 3 states. [2018-11-10 09:20:22,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:22,418 INFO L93 Difference]: Finished difference Result 628 states and 915 transitions. [2018-11-10 09:20:22,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:22,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-10 09:20:22,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:22,429 INFO L225 Difference]: With dead ends: 628 [2018-11-10 09:20:22,430 INFO L226 Difference]: Without dead ends: 383 [2018-11-10 09:20:22,435 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:22,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-11-10 09:20:22,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2018-11-10 09:20:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-10 09:20:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 527 transitions. [2018-11-10 09:20:22,482 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 527 transitions. Word has length 20 [2018-11-10 09:20:22,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:22,482 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 527 transitions. [2018-11-10 09:20:22,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 527 transitions. [2018-11-10 09:20:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 09:20:22,484 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:22,484 INFO L375 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] [2018-11-10 09:20:22,484 INFO L424 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:22,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:22,485 INFO L82 PathProgramCache]: Analyzing trace with hash 821979631, now seen corresponding path program 1 times [2018-11-10 09:20:22,485 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:22,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:22,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:22,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:22,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:22,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:22,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:22,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:22,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:22,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:22,577 INFO L87 Difference]: Start difference. First operand 383 states and 527 transitions. Second operand 3 states. [2018-11-10 09:20:22,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:22,747 INFO L93 Difference]: Finished difference Result 708 states and 962 transitions. [2018-11-10 09:20:22,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:22,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-10 09:20:22,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:22,753 INFO L225 Difference]: With dead ends: 708 [2018-11-10 09:20:22,753 INFO L226 Difference]: Without dead ends: 542 [2018-11-10 09:20:22,754 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:22,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-11-10 09:20:22,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 523. [2018-11-10 09:20:22,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-11-10 09:20:22,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 711 transitions. [2018-11-10 09:20:22,792 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 711 transitions. Word has length 25 [2018-11-10 09:20:22,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:22,792 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 711 transitions. [2018-11-10 09:20:22,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 711 transitions. [2018-11-10 09:20:22,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 09:20:22,794 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:22,794 INFO L375 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] [2018-11-10 09:20:22,794 INFO L424 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:22,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:22,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1967475866, now seen corresponding path program 1 times [2018-11-10 09:20:22,795 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:22,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:22,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:22,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:22,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:22,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:22,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:22,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:22,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:22,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:22,893 INFO L87 Difference]: Start difference. First operand 523 states and 711 transitions. Second operand 3 states. [2018-11-10 09:20:22,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:22,939 INFO L93 Difference]: Finished difference Result 648 states and 868 transitions. [2018-11-10 09:20:22,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:22,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-10 09:20:22,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:22,943 INFO L225 Difference]: With dead ends: 648 [2018-11-10 09:20:22,943 INFO L226 Difference]: Without dead ends: 627 [2018-11-10 09:20:22,943 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:22,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2018-11-10 09:20:22,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 587. [2018-11-10 09:20:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-11-10 09:20:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 794 transitions. [2018-11-10 09:20:22,970 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 794 transitions. Word has length 31 [2018-11-10 09:20:22,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:22,970 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 794 transitions. [2018-11-10 09:20:22,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 794 transitions. [2018-11-10 09:20:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 09:20:22,971 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:22,972 INFO L375 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] [2018-11-10 09:20:22,972 INFO L424 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:22,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:22,972 INFO L82 PathProgramCache]: Analyzing trace with hash -815055133, now seen corresponding path program 1 times [2018-11-10 09:20:22,973 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:22,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:22,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:22,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:22,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:23,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:23,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:23,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:23,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:23,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:23,025 INFO L87 Difference]: Start difference. First operand 587 states and 794 transitions. Second operand 3 states. [2018-11-10 09:20:23,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:23,078 INFO L93 Difference]: Finished difference Result 1102 states and 1485 transitions. [2018-11-10 09:20:23,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:23,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-11-10 09:20:23,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:23,082 INFO L225 Difference]: With dead ends: 1102 [2018-11-10 09:20:23,082 INFO L226 Difference]: Without dead ends: 800 [2018-11-10 09:20:23,083 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:23,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-10 09:20:23,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 771. [2018-11-10 09:20:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-10 09:20:23,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1046 transitions. [2018-11-10 09:20:23,113 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1046 transitions. Word has length 33 [2018-11-10 09:20:23,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:23,114 INFO L481 AbstractCegarLoop]: Abstraction has 771 states and 1046 transitions. [2018-11-10 09:20:23,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1046 transitions. [2018-11-10 09:20:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 09:20:23,115 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:23,116 INFO L375 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] [2018-11-10 09:20:23,116 INFO L424 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:23,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:23,116 INFO L82 PathProgramCache]: Analyzing trace with hash 484211458, now seen corresponding path program 1 times [2018-11-10 09:20:23,116 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:23,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:23,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:23,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:23,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:23,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:23,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:23,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:23,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:23,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:23,156 INFO L87 Difference]: Start difference. First operand 771 states and 1046 transitions. Second operand 3 states. [2018-11-10 09:20:23,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:23,230 INFO L93 Difference]: Finished difference Result 815 states and 1100 transitions. [2018-11-10 09:20:23,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:23,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-10 09:20:23,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:23,233 INFO L225 Difference]: With dead ends: 815 [2018-11-10 09:20:23,233 INFO L226 Difference]: Without dead ends: 810 [2018-11-10 09:20:23,234 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:23,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-11-10 09:20:23,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 806. [2018-11-10 09:20:23,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-11-10 09:20:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1090 transitions. [2018-11-10 09:20:23,261 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1090 transitions. Word has length 39 [2018-11-10 09:20:23,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:23,261 INFO L481 AbstractCegarLoop]: Abstraction has 806 states and 1090 transitions. [2018-11-10 09:20:23,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1090 transitions. [2018-11-10 09:20:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 09:20:23,264 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:23,264 INFO L375 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] [2018-11-10 09:20:23,264 INFO L424 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:23,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:23,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1405012121, now seen corresponding path program 1 times [2018-11-10 09:20:23,265 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:23,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:23,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:23,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:23,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:23,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:23,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:23,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:23,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:23,333 INFO L87 Difference]: Start difference. First operand 806 states and 1090 transitions. Second operand 3 states. [2018-11-10 09:20:23,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:23,413 INFO L93 Difference]: Finished difference Result 821 states and 1110 transitions. [2018-11-10 09:20:23,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:23,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-10 09:20:23,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:23,416 INFO L225 Difference]: With dead ends: 821 [2018-11-10 09:20:23,417 INFO L226 Difference]: Without dead ends: 818 [2018-11-10 09:20:23,417 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:23,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-11-10 09:20:23,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 817. [2018-11-10 09:20:23,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-11-10 09:20:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1104 transitions. [2018-11-10 09:20:23,438 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1104 transitions. Word has length 38 [2018-11-10 09:20:23,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:23,438 INFO L481 AbstractCegarLoop]: Abstraction has 817 states and 1104 transitions. [2018-11-10 09:20:23,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:23,439 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1104 transitions. [2018-11-10 09:20:23,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 09:20:23,440 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:23,440 INFO L375 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] [2018-11-10 09:20:23,440 INFO L424 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:23,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:23,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1716712732, now seen corresponding path program 1 times [2018-11-10 09:20:23,440 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:23,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:23,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:23,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:23,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:23,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:23,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:23,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:23,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:23,485 INFO L87 Difference]: Start difference. First operand 817 states and 1104 transitions. Second operand 5 states. [2018-11-10 09:20:23,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:23,521 INFO L93 Difference]: Finished difference Result 830 states and 1118 transitions. [2018-11-10 09:20:23,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:23,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-11-10 09:20:23,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:23,524 INFO L225 Difference]: With dead ends: 830 [2018-11-10 09:20:23,524 INFO L226 Difference]: Without dead ends: 815 [2018-11-10 09:20:23,525 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:23,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-10 09:20:23,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 815. [2018-11-10 09:20:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2018-11-10 09:20:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1100 transitions. [2018-11-10 09:20:23,547 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1100 transitions. Word has length 40 [2018-11-10 09:20:23,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:23,547 INFO L481 AbstractCegarLoop]: Abstraction has 815 states and 1100 transitions. [2018-11-10 09:20:23,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1100 transitions. [2018-11-10 09:20:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 09:20:23,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:23,548 INFO L375 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] [2018-11-10 09:20:23,548 INFO L424 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:23,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:23,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1589461021, now seen corresponding path program 1 times [2018-11-10 09:20:23,548 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:23,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:23,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:23,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:23,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:23,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:23,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:23,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:23,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:23,596 INFO L87 Difference]: Start difference. First operand 815 states and 1100 transitions. Second operand 5 states. [2018-11-10 09:20:23,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:23,630 INFO L93 Difference]: Finished difference Result 828 states and 1114 transitions. [2018-11-10 09:20:23,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:23,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-11-10 09:20:23,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:23,634 INFO L225 Difference]: With dead ends: 828 [2018-11-10 09:20:23,635 INFO L226 Difference]: Without dead ends: 808 [2018-11-10 09:20:23,635 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:23,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2018-11-10 09:20:23,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2018-11-10 09:20:23,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-11-10 09:20:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1091 transitions. [2018-11-10 09:20:23,655 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1091 transitions. Word has length 39 [2018-11-10 09:20:23,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:23,655 INFO L481 AbstractCegarLoop]: Abstraction has 808 states and 1091 transitions. [2018-11-10 09:20:23,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1091 transitions. [2018-11-10 09:20:23,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 09:20:23,656 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:23,656 INFO L375 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] [2018-11-10 09:20:23,656 INFO L424 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:23,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:23,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1192219836, now seen corresponding path program 1 times [2018-11-10 09:20:23,657 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:23,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:23,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:23,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:23,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:23,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:23,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:23,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:23,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:23,696 INFO L87 Difference]: Start difference. First operand 808 states and 1091 transitions. Second operand 3 states. [2018-11-10 09:20:23,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:23,772 INFO L93 Difference]: Finished difference Result 1192 states and 1623 transitions. [2018-11-10 09:20:23,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:23,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-10 09:20:23,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:23,776 INFO L225 Difference]: With dead ends: 1192 [2018-11-10 09:20:23,776 INFO L226 Difference]: Without dead ends: 1189 [2018-11-10 09:20:23,776 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:23,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2018-11-10 09:20:23,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 933. [2018-11-10 09:20:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2018-11-10 09:20:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1262 transitions. [2018-11-10 09:20:23,803 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1262 transitions. Word has length 44 [2018-11-10 09:20:23,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:23,804 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 1262 transitions. [2018-11-10 09:20:23,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1262 transitions. [2018-11-10 09:20:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 09:20:23,805 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:23,805 INFO L375 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] [2018-11-10 09:20:23,805 INFO L424 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:23,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:23,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1970793177, now seen corresponding path program 1 times [2018-11-10 09:20:23,805 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:23,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:23,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:23,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:23,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:23,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:23,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:23,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:23,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:23,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:23,870 INFO L87 Difference]: Start difference. First operand 933 states and 1262 transitions. Second operand 5 states. [2018-11-10 09:20:24,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:24,102 INFO L93 Difference]: Finished difference Result 946 states and 1274 transitions. [2018-11-10 09:20:24,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:24,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-11-10 09:20:24,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:24,105 INFO L225 Difference]: With dead ends: 946 [2018-11-10 09:20:24,106 INFO L226 Difference]: Without dead ends: 937 [2018-11-10 09:20:24,106 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:24,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2018-11-10 09:20:24,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 933. [2018-11-10 09:20:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2018-11-10 09:20:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1260 transitions. [2018-11-10 09:20:24,134 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1260 transitions. Word has length 43 [2018-11-10 09:20:24,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:24,134 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 1260 transitions. [2018-11-10 09:20:24,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1260 transitions. [2018-11-10 09:20:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 09:20:24,135 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:24,135 INFO L375 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] [2018-11-10 09:20:24,135 INFO L424 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:24,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:24,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1319762688, now seen corresponding path program 1 times [2018-11-10 09:20:24,136 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:24,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:24,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:24,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:24,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:24,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:24,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 09:20:24,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 09:20:24,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 09:20:24,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 09:20:24,182 INFO L87 Difference]: Start difference. First operand 933 states and 1260 transitions. Second operand 4 states. [2018-11-10 09:20:24,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:24,232 INFO L93 Difference]: Finished difference Result 961 states and 1293 transitions. [2018-11-10 09:20:24,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 09:20:24,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-11-10 09:20:24,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:24,235 INFO L225 Difference]: With dead ends: 961 [2018-11-10 09:20:24,235 INFO L226 Difference]: Without dead ends: 939 [2018-11-10 09:20:24,236 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:24,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-11-10 09:20:24,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 935. [2018-11-10 09:20:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-11-10 09:20:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1262 transitions. [2018-11-10 09:20:24,263 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1262 transitions. Word has length 42 [2018-11-10 09:20:24,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:24,264 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1262 transitions. [2018-11-10 09:20:24,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 09:20:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1262 transitions. [2018-11-10 09:20:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 09:20:24,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:24,265 INFO L375 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] [2018-11-10 09:20:24,265 INFO L424 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:24,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:24,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1457830261, now seen corresponding path program 1 times [2018-11-10 09:20:24,265 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:24,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:24,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:24,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:24,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:24,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:24,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:24,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:24,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:24,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:24,338 INFO L87 Difference]: Start difference. First operand 935 states and 1262 transitions. Second operand 5 states. [2018-11-10 09:20:24,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:24,845 INFO L93 Difference]: Finished difference Result 1686 states and 2249 transitions. [2018-11-10 09:20:24,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 09:20:24,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-10 09:20:24,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:24,849 INFO L225 Difference]: With dead ends: 1686 [2018-11-10 09:20:24,849 INFO L226 Difference]: Without dead ends: 1120 [2018-11-10 09:20:24,850 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:24,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-11-10 09:20:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 926. [2018-11-10 09:20:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-10 09:20:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1241 transitions. [2018-11-10 09:20:24,883 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1241 transitions. Word has length 45 [2018-11-10 09:20:24,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:24,883 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1241 transitions. [2018-11-10 09:20:24,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:24,883 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1241 transitions. [2018-11-10 09:20:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 09:20:24,884 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:24,884 INFO L375 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] [2018-11-10 09:20:24,884 INFO L424 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:24,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:24,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1854298677, now seen corresponding path program 1 times [2018-11-10 09:20:24,885 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:24,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:24,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:24,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:24,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:24,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:24,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:24,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:24,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:24,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:24,929 INFO L87 Difference]: Start difference. First operand 926 states and 1241 transitions. Second operand 5 states. [2018-11-10 09:20:25,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:25,158 INFO L93 Difference]: Finished difference Result 939 states and 1253 transitions. [2018-11-10 09:20:25,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:25,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-11-10 09:20:25,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:25,161 INFO L225 Difference]: With dead ends: 939 [2018-11-10 09:20:25,161 INFO L226 Difference]: Without dead ends: 930 [2018-11-10 09:20:25,162 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:25,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2018-11-10 09:20:25,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 926. [2018-11-10 09:20:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-10 09:20:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1239 transitions. [2018-11-10 09:20:25,192 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1239 transitions. Word has length 44 [2018-11-10 09:20:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:25,193 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1239 transitions. [2018-11-10 09:20:25,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1239 transitions. [2018-11-10 09:20:25,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 09:20:25,194 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:25,194 INFO L375 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] [2018-11-10 09:20:25,194 INFO L424 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:25,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:25,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1571012239, now seen corresponding path program 1 times [2018-11-10 09:20:25,195 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:25,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:25,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:25,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:25,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:25,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 09:20:25,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 09:20:25,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 09:20:25,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 09:20:25,232 INFO L87 Difference]: Start difference. First operand 926 states and 1239 transitions. Second operand 4 states. [2018-11-10 09:20:25,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:25,288 INFO L93 Difference]: Finished difference Result 954 states and 1272 transitions. [2018-11-10 09:20:25,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 09:20:25,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-10 09:20:25,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:25,291 INFO L225 Difference]: With dead ends: 954 [2018-11-10 09:20:25,291 INFO L226 Difference]: Without dead ends: 932 [2018-11-10 09:20:25,292 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:25,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-11-10 09:20:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 926. [2018-11-10 09:20:25,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-10 09:20:25,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1239 transitions. [2018-11-10 09:20:25,323 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1239 transitions. Word has length 43 [2018-11-10 09:20:25,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:25,324 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1239 transitions. [2018-11-10 09:20:25,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 09:20:25,324 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1239 transitions. [2018-11-10 09:20:25,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 09:20:25,325 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:25,325 INFO L375 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] [2018-11-10 09:20:25,325 INFO L424 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:25,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:25,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1593769136, now seen corresponding path program 1 times [2018-11-10 09:20:25,325 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:25,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:25,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:25,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:25,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:25,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:25,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:25,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:25,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:25,365 INFO L87 Difference]: Start difference. First operand 926 states and 1239 transitions. Second operand 5 states. [2018-11-10 09:20:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:25,413 INFO L93 Difference]: Finished difference Result 942 states and 1254 transitions. [2018-11-10 09:20:25,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:25,413 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-10 09:20:25,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:25,416 INFO L225 Difference]: With dead ends: 942 [2018-11-10 09:20:25,416 INFO L226 Difference]: Without dead ends: 924 [2018-11-10 09:20:25,416 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:25,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2018-11-10 09:20:25,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2018-11-10 09:20:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-11-10 09:20:25,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1235 transitions. [2018-11-10 09:20:25,448 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1235 transitions. Word has length 45 [2018-11-10 09:20:25,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:25,448 INFO L481 AbstractCegarLoop]: Abstraction has 924 states and 1235 transitions. [2018-11-10 09:20:25,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1235 transitions. [2018-11-10 09:20:25,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 09:20:25,450 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:25,450 INFO L375 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] [2018-11-10 09:20:25,450 INFO L424 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:25,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:25,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1142229789, now seen corresponding path program 1 times [2018-11-10 09:20:25,450 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:25,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:25,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:25,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:25,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:25,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:25,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:25,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:25,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:25,476 INFO L87 Difference]: Start difference. First operand 924 states and 1235 transitions. Second operand 3 states. [2018-11-10 09:20:25,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:25,519 INFO L93 Difference]: Finished difference Result 954 states and 1271 transitions. [2018-11-10 09:20:25,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:25,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-10 09:20:25,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:25,522 INFO L225 Difference]: With dead ends: 954 [2018-11-10 09:20:25,522 INFO L226 Difference]: Without dead ends: 906 [2018-11-10 09:20:25,523 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:25,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-10 09:20:25,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 902. [2018-11-10 09:20:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-11-10 09:20:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1203 transitions. [2018-11-10 09:20:25,550 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1203 transitions. Word has length 46 [2018-11-10 09:20:25,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:25,551 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1203 transitions. [2018-11-10 09:20:25,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:25,551 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1203 transitions. [2018-11-10 09:20:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 09:20:25,552 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:25,552 INFO L375 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] [2018-11-10 09:20:25,552 INFO L424 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:25,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:25,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1651959336, now seen corresponding path program 1 times [2018-11-10 09:20:25,553 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:25,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:25,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:25,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:25,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:25,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:25,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:25,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:25,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:25,593 INFO L87 Difference]: Start difference. First operand 902 states and 1203 transitions. Second operand 5 states. [2018-11-10 09:20:25,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:25,641 INFO L93 Difference]: Finished difference Result 918 states and 1218 transitions. [2018-11-10 09:20:25,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:25,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-11-10 09:20:25,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:25,645 INFO L225 Difference]: With dead ends: 918 [2018-11-10 09:20:25,645 INFO L226 Difference]: Without dead ends: 900 [2018-11-10 09:20:25,646 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:25,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-11-10 09:20:25,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2018-11-10 09:20:25,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-11-10 09:20:25,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1199 transitions. [2018-11-10 09:20:25,681 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1199 transitions. Word has length 47 [2018-11-10 09:20:25,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:25,682 INFO L481 AbstractCegarLoop]: Abstraction has 900 states and 1199 transitions. [2018-11-10 09:20:25,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:25,682 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1199 transitions. [2018-11-10 09:20:25,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 09:20:25,683 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:25,683 INFO L375 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] [2018-11-10 09:20:25,683 INFO L424 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:25,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:25,684 INFO L82 PathProgramCache]: Analyzing trace with hash -341128887, now seen corresponding path program 1 times [2018-11-10 09:20:25,684 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:25,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:25,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:25,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:25,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:25,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 09:20:25,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 09:20:25,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 09:20:25,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 09:20:25,729 INFO L87 Difference]: Start difference. First operand 900 states and 1199 transitions. Second operand 4 states. [2018-11-10 09:20:25,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:25,882 INFO L93 Difference]: Finished difference Result 984 states and 1282 transitions. [2018-11-10 09:20:25,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 09:20:25,883 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-11-10 09:20:25,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:25,885 INFO L225 Difference]: With dead ends: 984 [2018-11-10 09:20:25,885 INFO L226 Difference]: Without dead ends: 647 [2018-11-10 09:20:25,886 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 09:20:25,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2018-11-10 09:20:25,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 610. [2018-11-10 09:20:25,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2018-11-10 09:20:25,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 788 transitions. [2018-11-10 09:20:25,905 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 788 transitions. Word has length 52 [2018-11-10 09:20:25,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:25,905 INFO L481 AbstractCegarLoop]: Abstraction has 610 states and 788 transitions. [2018-11-10 09:20:25,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 09:20:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 788 transitions. [2018-11-10 09:20:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 09:20:25,907 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:25,907 INFO L375 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] [2018-11-10 09:20:25,907 INFO L424 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:25,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:25,907 INFO L82 PathProgramCache]: Analyzing trace with hash 344016224, now seen corresponding path program 1 times [2018-11-10 09:20:25,907 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:25,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:25,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:25,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:25,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:25,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:25,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:25,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:25,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:25,936 INFO L87 Difference]: Start difference. First operand 610 states and 788 transitions. Second operand 3 states. [2018-11-10 09:20:26,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:26,020 INFO L93 Difference]: Finished difference Result 819 states and 1066 transitions. [2018-11-10 09:20:26,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:26,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-10 09:20:26,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:26,023 INFO L225 Difference]: With dead ends: 819 [2018-11-10 09:20:26,023 INFO L226 Difference]: Without dead ends: 807 [2018-11-10 09:20:26,023 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:26,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2018-11-10 09:20:26,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 673. [2018-11-10 09:20:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-11-10 09:20:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 866 transitions. [2018-11-10 09:20:26,048 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 866 transitions. Word has length 50 [2018-11-10 09:20:26,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:26,048 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 866 transitions. [2018-11-10 09:20:26,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 866 transitions. [2018-11-10 09:20:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 09:20:26,049 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:26,049 INFO L375 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] [2018-11-10 09:20:26,049 INFO L424 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:26,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:26,050 INFO L82 PathProgramCache]: Analyzing trace with hash -37148420, now seen corresponding path program 1 times [2018-11-10 09:20:26,051 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:26,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:26,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:26,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:26,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:26,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:26,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 09:20:26,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 09:20:26,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 09:20:26,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:26,095 INFO L87 Difference]: Start difference. First operand 673 states and 866 transitions. Second operand 6 states. [2018-11-10 09:20:26,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:26,151 INFO L93 Difference]: Finished difference Result 693 states and 886 transitions. [2018-11-10 09:20:26,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 09:20:26,151 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-10 09:20:26,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:26,153 INFO L225 Difference]: With dead ends: 693 [2018-11-10 09:20:26,153 INFO L226 Difference]: Without dead ends: 673 [2018-11-10 09:20:26,154 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:26,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2018-11-10 09:20:26,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2018-11-10 09:20:26,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-11-10 09:20:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 854 transitions. [2018-11-10 09:20:26,176 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 854 transitions. Word has length 50 [2018-11-10 09:20:26,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:26,176 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 854 transitions. [2018-11-10 09:20:26,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 09:20:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 854 transitions. [2018-11-10 09:20:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 09:20:26,177 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:26,177 INFO L375 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] [2018-11-10 09:20:26,178 INFO L424 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:26,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:26,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1767520860, now seen corresponding path program 1 times [2018-11-10 09:20:26,178 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:26,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:26,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:26,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:26,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:26,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:26,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 09:20:26,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 09:20:26,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 09:20:26,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 09:20:26,234 INFO L87 Difference]: Start difference. First operand 673 states and 854 transitions. Second operand 8 states. [2018-11-10 09:20:26,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:26,342 INFO L93 Difference]: Finished difference Result 703 states and 888 transitions. [2018-11-10 09:20:26,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:20:26,342 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-10 09:20:26,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:26,344 INFO L225 Difference]: With dead ends: 703 [2018-11-10 09:20:26,344 INFO L226 Difference]: Without dead ends: 699 [2018-11-10 09:20:26,345 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:26,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-11-10 09:20:26,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 691. [2018-11-10 09:20:26,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2018-11-10 09:20:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 875 transitions. [2018-11-10 09:20:26,368 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 875 transitions. Word has length 51 [2018-11-10 09:20:26,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:26,368 INFO L481 AbstractCegarLoop]: Abstraction has 691 states and 875 transitions. [2018-11-10 09:20:26,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 09:20:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 875 transitions. [2018-11-10 09:20:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 09:20:26,369 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:26,370 INFO L375 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] [2018-11-10 09:20:26,370 INFO L424 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:26,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:26,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1767797690, now seen corresponding path program 1 times [2018-11-10 09:20:26,370 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:26,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:26,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:26,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:26,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:26,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 09:20:26,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 09:20:26,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 09:20:26,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 09:20:26,424 INFO L87 Difference]: Start difference. First operand 691 states and 875 transitions. Second operand 8 states. [2018-11-10 09:20:26,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:26,499 INFO L93 Difference]: Finished difference Result 1093 states and 1408 transitions. [2018-11-10 09:20:26,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:20:26,501 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-10 09:20:26,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:26,503 INFO L225 Difference]: With dead ends: 1093 [2018-11-10 09:20:26,503 INFO L226 Difference]: Without dead ends: 734 [2018-11-10 09:20:26,504 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-10 09:20:26,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2018-11-10 09:20:26,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 717. [2018-11-10 09:20:26,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-11-10 09:20:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 919 transitions. [2018-11-10 09:20:26,528 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 919 transitions. Word has length 51 [2018-11-10 09:20:26,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:26,529 INFO L481 AbstractCegarLoop]: Abstraction has 717 states and 919 transitions. [2018-11-10 09:20:26,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 09:20:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 919 transitions. [2018-11-10 09:20:26,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 09:20:26,530 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:26,530 INFO L375 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] [2018-11-10 09:20:26,530 INFO L424 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:26,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:26,531 INFO L82 PathProgramCache]: Analyzing trace with hash 848725340, now seen corresponding path program 1 times [2018-11-10 09:20:26,531 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:26,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:26,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:26,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:26,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:26,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:26,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 09:20:26,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 09:20:26,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 09:20:26,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:26,575 INFO L87 Difference]: Start difference. First operand 717 states and 919 transitions. Second operand 6 states. [2018-11-10 09:20:26,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:26,623 INFO L93 Difference]: Finished difference Result 748 states and 956 transitions. [2018-11-10 09:20:26,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 09:20:26,624 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-11-10 09:20:26,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:26,626 INFO L225 Difference]: With dead ends: 748 [2018-11-10 09:20:26,626 INFO L226 Difference]: Without dead ends: 726 [2018-11-10 09:20:26,627 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:26,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2018-11-10 09:20:26,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 720. [2018-11-10 09:20:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-10 09:20:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 923 transitions. [2018-11-10 09:20:26,651 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 923 transitions. Word has length 51 [2018-11-10 09:20:26,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:26,652 INFO L481 AbstractCegarLoop]: Abstraction has 720 states and 923 transitions. [2018-11-10 09:20:26,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 09:20:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 923 transitions. [2018-11-10 09:20:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 09:20:26,653 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:26,653 INFO L375 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] [2018-11-10 09:20:26,653 INFO L424 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:26,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:26,653 INFO L82 PathProgramCache]: Analyzing trace with hash -158732917, now seen corresponding path program 1 times [2018-11-10 09:20:26,654 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:26,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:26,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:26,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:26,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:26,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 09:20:26,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 09:20:26,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 09:20:26,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:26,708 INFO L87 Difference]: Start difference. First operand 720 states and 923 transitions. Second operand 7 states. [2018-11-10 09:20:26,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:26,783 INFO L93 Difference]: Finished difference Result 751 states and 953 transitions. [2018-11-10 09:20:26,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:20:26,783 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-10 09:20:26,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:26,785 INFO L225 Difference]: With dead ends: 751 [2018-11-10 09:20:26,785 INFO L226 Difference]: Without dead ends: 720 [2018-11-10 09:20:26,786 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-10 09:20:26,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-11-10 09:20:26,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 707. [2018-11-10 09:20:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2018-11-10 09:20:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 902 transitions. [2018-11-10 09:20:26,810 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 902 transitions. Word has length 51 [2018-11-10 09:20:26,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:26,810 INFO L481 AbstractCegarLoop]: Abstraction has 707 states and 902 transitions. [2018-11-10 09:20:26,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 09:20:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 902 transitions. [2018-11-10 09:20:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 09:20:26,811 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:26,811 INFO L375 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] [2018-11-10 09:20:26,812 INFO L424 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:26,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:26,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1896315781, now seen corresponding path program 1 times [2018-11-10 09:20:26,812 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:26,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:26,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:26,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:26,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:26,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:26,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:26,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:26,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:26,844 INFO L87 Difference]: Start difference. First operand 707 states and 902 transitions. Second operand 3 states. [2018-11-10 09:20:26,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:26,994 INFO L93 Difference]: Finished difference Result 948 states and 1224 transitions. [2018-11-10 09:20:26,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:26,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-10 09:20:26,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:26,996 INFO L225 Difference]: With dead ends: 948 [2018-11-10 09:20:26,997 INFO L226 Difference]: Without dead ends: 918 [2018-11-10 09:20:26,997 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:26,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2018-11-10 09:20:27,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 779. [2018-11-10 09:20:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2018-11-10 09:20:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 993 transitions. [2018-11-10 09:20:27,024 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 993 transitions. Word has length 52 [2018-11-10 09:20:27,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:27,024 INFO L481 AbstractCegarLoop]: Abstraction has 779 states and 993 transitions. [2018-11-10 09:20:27,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 993 transitions. [2018-11-10 09:20:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 09:20:27,026 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:27,026 INFO L375 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] [2018-11-10 09:20:27,026 INFO L424 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:27,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:27,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1753036423, now seen corresponding path program 1 times [2018-11-10 09:20:27,026 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:27,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:27,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:27,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:27,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:27,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:27,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 09:20:27,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 09:20:27,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 09:20:27,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:27,072 INFO L87 Difference]: Start difference. First operand 779 states and 993 transitions. Second operand 7 states. [2018-11-10 09:20:27,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:27,529 INFO L93 Difference]: Finished difference Result 861 states and 1096 transitions. [2018-11-10 09:20:27,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 09:20:27,530 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 09:20:27,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:27,532 INFO L225 Difference]: With dead ends: 861 [2018-11-10 09:20:27,532 INFO L226 Difference]: Without dead ends: 756 [2018-11-10 09:20:27,533 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-11-10 09:20:27,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-11-10 09:20:27,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 730. [2018-11-10 09:20:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2018-11-10 09:20:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 927 transitions. [2018-11-10 09:20:27,564 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 927 transitions. Word has length 52 [2018-11-10 09:20:27,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:27,564 INFO L481 AbstractCegarLoop]: Abstraction has 730 states and 927 transitions. [2018-11-10 09:20:27,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 09:20:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 927 transitions. [2018-11-10 09:20:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 09:20:27,566 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:27,566 INFO L375 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] [2018-11-10 09:20:27,566 INFO L424 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:27,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:27,566 INFO L82 PathProgramCache]: Analyzing trace with hash 967374765, now seen corresponding path program 1 times [2018-11-10 09:20:27,566 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:27,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:27,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:27,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:27,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:27,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:27,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 09:20:27,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 09:20:27,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 09:20:27,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:27,625 INFO L87 Difference]: Start difference. First operand 730 states and 927 transitions. Second operand 9 states. [2018-11-10 09:20:28,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:28,563 INFO L93 Difference]: Finished difference Result 978 states and 1227 transitions. [2018-11-10 09:20:28,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-10 09:20:28,563 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-11-10 09:20:28,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:28,566 INFO L225 Difference]: With dead ends: 978 [2018-11-10 09:20:28,566 INFO L226 Difference]: Without dead ends: 890 [2018-11-10 09:20:28,567 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-11-10 09:20:28,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2018-11-10 09:20:28,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 743. [2018-11-10 09:20:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2018-11-10 09:20:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 932 transitions. [2018-11-10 09:20:28,601 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 932 transitions. Word has length 52 [2018-11-10 09:20:28,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:28,602 INFO L481 AbstractCegarLoop]: Abstraction has 743 states and 932 transitions. [2018-11-10 09:20:28,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 09:20:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 932 transitions. [2018-11-10 09:20:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 09:20:28,603 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:28,603 INFO L375 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] [2018-11-10 09:20:28,604 INFO L424 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:28,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:28,605 INFO L82 PathProgramCache]: Analyzing trace with hash 58350763, now seen corresponding path program 1 times [2018-11-10 09:20:28,605 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:28,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:28,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:28,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:28,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:28,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:28,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:28,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:28,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:28,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:28,637 INFO L87 Difference]: Start difference. First operand 743 states and 932 transitions. Second operand 3 states. [2018-11-10 09:20:28,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:28,711 INFO L93 Difference]: Finished difference Result 1053 states and 1333 transitions. [2018-11-10 09:20:28,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:28,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-10 09:20:28,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:28,714 INFO L225 Difference]: With dead ends: 1053 [2018-11-10 09:20:28,715 INFO L226 Difference]: Without dead ends: 742 [2018-11-10 09:20:28,716 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:28,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-10 09:20:28,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-10 09:20:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-10 09:20:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 928 transitions. [2018-11-10 09:20:28,765 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 928 transitions. Word has length 58 [2018-11-10 09:20:28,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:28,765 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 928 transitions. [2018-11-10 09:20:28,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 928 transitions. [2018-11-10 09:20:28,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 09:20:28,767 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:28,767 INFO L375 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] [2018-11-10 09:20:28,767 INFO L424 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:28,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:28,767 INFO L82 PathProgramCache]: Analyzing trace with hash -910407576, now seen corresponding path program 1 times [2018-11-10 09:20:28,767 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:28,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:28,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:28,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:28,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:28,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:28,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:28,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:28,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:28,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:28,812 INFO L87 Difference]: Start difference. First operand 742 states and 928 transitions. Second operand 5 states. [2018-11-10 09:20:29,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:29,050 INFO L93 Difference]: Finished difference Result 830 states and 1038 transitions. [2018-11-10 09:20:29,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:29,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-11-10 09:20:29,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:29,053 INFO L225 Difference]: With dead ends: 830 [2018-11-10 09:20:29,053 INFO L226 Difference]: Without dead ends: 812 [2018-11-10 09:20:29,053 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:29,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-11-10 09:20:29,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 744. [2018-11-10 09:20:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-10 09:20:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 928 transitions. [2018-11-10 09:20:29,085 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 928 transitions. Word has length 54 [2018-11-10 09:20:29,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:29,086 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 928 transitions. [2018-11-10 09:20:29,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 928 transitions. [2018-11-10 09:20:29,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 09:20:29,087 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:29,087 INFO L375 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] [2018-11-10 09:20:29,087 INFO L424 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:29,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:29,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1270544573, now seen corresponding path program 1 times [2018-11-10 09:20:29,088 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:29,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:29,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:29,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:29,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:29,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:29,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 09:20:29,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 09:20:29,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 09:20:29,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 09:20:29,136 INFO L87 Difference]: Start difference. First operand 744 states and 928 transitions. Second operand 8 states. [2018-11-10 09:20:29,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:29,191 INFO L93 Difference]: Finished difference Result 757 states and 940 transitions. [2018-11-10 09:20:29,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:20:29,192 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-11-10 09:20:29,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:29,194 INFO L225 Difference]: With dead ends: 757 [2018-11-10 09:20:29,194 INFO L226 Difference]: Without dead ends: 729 [2018-11-10 09:20:29,195 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:29,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2018-11-10 09:20:29,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2018-11-10 09:20:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-10 09:20:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 909 transitions. [2018-11-10 09:20:29,225 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 909 transitions. Word has length 55 [2018-11-10 09:20:29,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:29,225 INFO L481 AbstractCegarLoop]: Abstraction has 729 states and 909 transitions. [2018-11-10 09:20:29,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 09:20:29,226 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 909 transitions. [2018-11-10 09:20:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 09:20:29,227 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:29,227 INFO L375 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] [2018-11-10 09:20:29,227 INFO L424 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:29,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:29,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1374204039, now seen corresponding path program 1 times [2018-11-10 09:20:29,227 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:29,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:29,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:29,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:29,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:29,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:29,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:29,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 09:20:29,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 09:20:29,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 09:20:29,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 09:20:29,283 INFO L87 Difference]: Start difference. First operand 729 states and 909 transitions. Second operand 4 states. [2018-11-10 09:20:29,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:29,464 INFO L93 Difference]: Finished difference Result 1787 states and 2188 transitions. [2018-11-10 09:20:29,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 09:20:29,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-11-10 09:20:29,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:29,467 INFO L225 Difference]: With dead ends: 1787 [2018-11-10 09:20:29,468 INFO L226 Difference]: Without dead ends: 1120 [2018-11-10 09:20:29,469 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 09:20:29,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-11-10 09:20:29,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 978. [2018-11-10 09:20:29,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-11-10 09:20:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1200 transitions. [2018-11-10 09:20:29,510 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1200 transitions. Word has length 64 [2018-11-10 09:20:29,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:29,510 INFO L481 AbstractCegarLoop]: Abstraction has 978 states and 1200 transitions. [2018-11-10 09:20:29,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 09:20:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1200 transitions. [2018-11-10 09:20:29,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 09:20:29,512 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:29,512 INFO L375 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] [2018-11-10 09:20:29,512 INFO L424 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:29,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:29,513 INFO L82 PathProgramCache]: Analyzing trace with hash 950557317, now seen corresponding path program 1 times [2018-11-10 09:20:29,513 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:29,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:29,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:29,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:29,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:29,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:29,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:29,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:29,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:29,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:29,569 INFO L87 Difference]: Start difference. First operand 978 states and 1200 transitions. Second operand 5 states. [2018-11-10 09:20:29,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:29,607 INFO L93 Difference]: Finished difference Result 1239 states and 1537 transitions. [2018-11-10 09:20:29,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:29,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-10 09:20:29,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:29,610 INFO L225 Difference]: With dead ends: 1239 [2018-11-10 09:20:29,610 INFO L226 Difference]: Without dead ends: 910 [2018-11-10 09:20:29,612 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:29,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2018-11-10 09:20:29,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 910. [2018-11-10 09:20:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2018-11-10 09:20:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1105 transitions. [2018-11-10 09:20:29,654 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1105 transitions. Word has length 64 [2018-11-10 09:20:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:29,655 INFO L481 AbstractCegarLoop]: Abstraction has 910 states and 1105 transitions. [2018-11-10 09:20:29,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1105 transitions. [2018-11-10 09:20:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 09:20:29,656 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:29,656 INFO L375 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] [2018-11-10 09:20:29,657 INFO L424 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:29,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:29,657 INFO L82 PathProgramCache]: Analyzing trace with hash -448885556, now seen corresponding path program 1 times [2018-11-10 09:20:29,657 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:29,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:29,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:29,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:29,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:29,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:29,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 09:20:29,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 09:20:29,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 09:20:29,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 09:20:29,711 INFO L87 Difference]: Start difference. First operand 910 states and 1105 transitions. Second operand 8 states. [2018-11-10 09:20:29,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:29,821 INFO L93 Difference]: Finished difference Result 924 states and 1118 transitions. [2018-11-10 09:20:29,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:20:29,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-11-10 09:20:29,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:29,825 INFO L225 Difference]: With dead ends: 924 [2018-11-10 09:20:29,825 INFO L226 Difference]: Without dead ends: 906 [2018-11-10 09:20:29,826 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-10 09:20:29,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 906. [2018-11-10 09:20:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-11-10 09:20:29,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1099 transitions. [2018-11-10 09:20:29,869 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1099 transitions. Word has length 58 [2018-11-10 09:20:29,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:29,869 INFO L481 AbstractCegarLoop]: Abstraction has 906 states and 1099 transitions. [2018-11-10 09:20:29,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 09:20:29,869 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1099 transitions. [2018-11-10 09:20:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 09:20:29,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:29,871 INFO L375 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] [2018-11-10 09:20:29,871 INFO L424 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:29,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:29,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1211898903, now seen corresponding path program 1 times [2018-11-10 09:20:29,871 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:29,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:29,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:29,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:29,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:29,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:29,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 09:20:29,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 09:20:29,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 09:20:29,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:29,920 INFO L87 Difference]: Start difference. First operand 906 states and 1099 transitions. Second operand 6 states. [2018-11-10 09:20:30,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:30,003 INFO L93 Difference]: Finished difference Result 937 states and 1129 transitions. [2018-11-10 09:20:30,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 09:20:30,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-10 09:20:30,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:30,006 INFO L225 Difference]: With dead ends: 937 [2018-11-10 09:20:30,006 INFO L226 Difference]: Without dead ends: 906 [2018-11-10 09:20:30,007 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:30,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-10 09:20:30,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2018-11-10 09:20:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-11-10 09:20:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1083 transitions. [2018-11-10 09:20:30,068 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1083 transitions. Word has length 60 [2018-11-10 09:20:30,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:30,068 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1083 transitions. [2018-11-10 09:20:30,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 09:20:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1083 transitions. [2018-11-10 09:20:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 09:20:30,072 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:30,073 INFO L375 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] [2018-11-10 09:20:30,073 INFO L424 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:30,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:30,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1296649100, now seen corresponding path program 1 times [2018-11-10 09:20:30,073 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:30,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:30,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:30,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:30,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:30,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:30,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:30,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:30,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:30,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:30,138 INFO L87 Difference]: Start difference. First operand 894 states and 1083 transitions. Second operand 5 states. [2018-11-10 09:20:30,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:30,438 INFO L93 Difference]: Finished difference Result 1155 states and 1413 transitions. [2018-11-10 09:20:30,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:30,439 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-11-10 09:20:30,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:30,441 INFO L225 Difference]: With dead ends: 1155 [2018-11-10 09:20:30,442 INFO L226 Difference]: Without dead ends: 894 [2018-11-10 09:20:30,443 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:30,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-10 09:20:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2018-11-10 09:20:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-11-10 09:20:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1081 transitions. [2018-11-10 09:20:30,505 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1081 transitions. Word has length 68 [2018-11-10 09:20:30,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:30,505 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1081 transitions. [2018-11-10 09:20:30,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1081 transitions. [2018-11-10 09:20:30,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 09:20:30,507 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:30,507 INFO L375 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] [2018-11-10 09:20:30,507 INFO L424 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:30,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:30,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1277975134, now seen corresponding path program 1 times [2018-11-10 09:20:30,508 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:30,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:30,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:30,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:30,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:30,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:30,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:30,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:30,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:30,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:30,549 INFO L87 Difference]: Start difference. First operand 894 states and 1081 transitions. Second operand 5 states. [2018-11-10 09:20:30,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:30,612 INFO L93 Difference]: Finished difference Result 1080 states and 1301 transitions. [2018-11-10 09:20:30,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:30,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-11-10 09:20:30,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:30,615 INFO L225 Difference]: With dead ends: 1080 [2018-11-10 09:20:30,616 INFO L226 Difference]: Without dead ends: 906 [2018-11-10 09:20:30,616 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:30,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-10 09:20:30,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 902. [2018-11-10 09:20:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-11-10 09:20:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1089 transitions. [2018-11-10 09:20:30,674 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1089 transitions. Word has length 63 [2018-11-10 09:20:30,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:30,674 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1089 transitions. [2018-11-10 09:20:30,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1089 transitions. [2018-11-10 09:20:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 09:20:30,675 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:30,676 INFO L375 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] [2018-11-10 09:20:30,676 INFO L424 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:30,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:30,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1001822433, now seen corresponding path program 1 times [2018-11-10 09:20:30,676 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:30,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:30,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:30,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:30,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:30,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:30,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:30,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 09:20:30,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 09:20:30,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 09:20:30,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:30,757 INFO L87 Difference]: Start difference. First operand 902 states and 1089 transitions. Second operand 9 states. [2018-11-10 09:20:30,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:30,889 INFO L93 Difference]: Finished difference Result 1312 states and 1564 transitions. [2018-11-10 09:20:30,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 09:20:30,890 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-11-10 09:20:30,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:30,892 INFO L225 Difference]: With dead ends: 1312 [2018-11-10 09:20:30,892 INFO L226 Difference]: Without dead ends: 904 [2018-11-10 09:20:30,894 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 09:20:30,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-11-10 09:20:30,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 902. [2018-11-10 09:20:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-11-10 09:20:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1086 transitions. [2018-11-10 09:20:30,955 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1086 transitions. Word has length 63 [2018-11-10 09:20:30,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:30,955 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1086 transitions. [2018-11-10 09:20:30,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 09:20:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1086 transitions. [2018-11-10 09:20:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 09:20:30,957 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:30,957 INFO L375 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] [2018-11-10 09:20:30,957 INFO L424 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:30,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:30,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1579328759, now seen corresponding path program 1 times [2018-11-10 09:20:30,957 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:30,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:30,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:30,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:30,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:31,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:31,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 09:20:31,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 09:20:31,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 09:20:31,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:31,043 INFO L87 Difference]: Start difference. First operand 902 states and 1086 transitions. Second operand 6 states. [2018-11-10 09:20:31,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:31,123 INFO L93 Difference]: Finished difference Result 920 states and 1102 transitions. [2018-11-10 09:20:31,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 09:20:31,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-10 09:20:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:31,126 INFO L225 Difference]: With dead ends: 920 [2018-11-10 09:20:31,126 INFO L226 Difference]: Without dead ends: 882 [2018-11-10 09:20:31,126 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:31,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2018-11-10 09:20:31,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 882. [2018-11-10 09:20:31,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-11-10 09:20:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1063 transitions. [2018-11-10 09:20:31,184 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1063 transitions. Word has length 63 [2018-11-10 09:20:31,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:31,184 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1063 transitions. [2018-11-10 09:20:31,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 09:20:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1063 transitions. [2018-11-10 09:20:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 09:20:31,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:31,186 INFO L375 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] [2018-11-10 09:20:31,186 INFO L424 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:31,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:31,186 INFO L82 PathProgramCache]: Analyzing trace with hash 365918546, now seen corresponding path program 1 times [2018-11-10 09:20:31,186 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:31,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:31,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:31,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:31,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:31,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:31,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:31,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:31,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:31,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:31,241 INFO L87 Difference]: Start difference. First operand 882 states and 1063 transitions. Second operand 3 states. [2018-11-10 09:20:31,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:31,311 INFO L93 Difference]: Finished difference Result 1199 states and 1466 transitions. [2018-11-10 09:20:31,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:31,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-11-10 09:20:31,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:31,315 INFO L225 Difference]: With dead ends: 1199 [2018-11-10 09:20:31,315 INFO L226 Difference]: Without dead ends: 938 [2018-11-10 09:20:31,316 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:31,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2018-11-10 09:20:31,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 882. [2018-11-10 09:20:31,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-11-10 09:20:31,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1063 transitions. [2018-11-10 09:20:31,371 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1063 transitions. Word has length 71 [2018-11-10 09:20:31,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:31,371 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1063 transitions. [2018-11-10 09:20:31,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1063 transitions. [2018-11-10 09:20:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 09:20:31,373 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:31,373 INFO L375 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] [2018-11-10 09:20:31,373 INFO L424 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:31,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:31,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1935013486, now seen corresponding path program 1 times [2018-11-10 09:20:31,374 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:31,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:31,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:31,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:31,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:31,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:31,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 09:20:31,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 09:20:31,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 09:20:31,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:31,462 INFO L87 Difference]: Start difference. First operand 882 states and 1063 transitions. Second operand 6 states. [2018-11-10 09:20:31,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:31,531 INFO L93 Difference]: Finished difference Result 1167 states and 1419 transitions. [2018-11-10 09:20:31,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 09:20:31,532 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-11-10 09:20:31,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:31,535 INFO L225 Difference]: With dead ends: 1167 [2018-11-10 09:20:31,535 INFO L226 Difference]: Without dead ends: 939 [2018-11-10 09:20:31,536 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:31,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-11-10 09:20:31,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 882. [2018-11-10 09:20:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-11-10 09:20:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1061 transitions. [2018-11-10 09:20:31,600 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1061 transitions. Word has length 71 [2018-11-10 09:20:31,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:31,600 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1061 transitions. [2018-11-10 09:20:31,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 09:20:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1061 transitions. [2018-11-10 09:20:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 09:20:31,602 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:31,602 INFO L375 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] [2018-11-10 09:20:31,602 INFO L424 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:31,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:31,602 INFO L82 PathProgramCache]: Analyzing trace with hash -2043827992, now seen corresponding path program 1 times [2018-11-10 09:20:31,603 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:31,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:31,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:31,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:31,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:31,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:31,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:31,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:31,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:31,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:31,656 INFO L87 Difference]: Start difference. First operand 882 states and 1061 transitions. Second operand 5 states. [2018-11-10 09:20:31,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:31,730 INFO L93 Difference]: Finished difference Result 892 states and 1070 transitions. [2018-11-10 09:20:31,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:31,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-10 09:20:31,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:31,734 INFO L225 Difference]: With dead ends: 892 [2018-11-10 09:20:31,734 INFO L226 Difference]: Without dead ends: 860 [2018-11-10 09:20:31,735 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:31,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2018-11-10 09:20:31,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 855. [2018-11-10 09:20:31,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2018-11-10 09:20:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1031 transitions. [2018-11-10 09:20:31,804 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1031 transitions. Word has length 64 [2018-11-10 09:20:31,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:31,804 INFO L481 AbstractCegarLoop]: Abstraction has 855 states and 1031 transitions. [2018-11-10 09:20:31,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1031 transitions. [2018-11-10 09:20:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 09:20:31,806 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:31,806 INFO L375 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] [2018-11-10 09:20:31,807 INFO L424 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:31,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:31,807 INFO L82 PathProgramCache]: Analyzing trace with hash 698875826, now seen corresponding path program 1 times [2018-11-10 09:20:31,807 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:31,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:31,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:31,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:31,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:31,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:31,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 09:20:31,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 09:20:31,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 09:20:31,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:31,905 INFO L87 Difference]: Start difference. First operand 855 states and 1031 transitions. Second operand 9 states. [2018-11-10 09:20:32,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:32,217 INFO L93 Difference]: Finished difference Result 872 states and 1047 transitions. [2018-11-10 09:20:32,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 09:20:32,218 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-11-10 09:20:32,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:32,220 INFO L225 Difference]: With dead ends: 872 [2018-11-10 09:20:32,220 INFO L226 Difference]: Without dead ends: 851 [2018-11-10 09:20:32,220 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 09:20:32,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-11-10 09:20:32,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 851. [2018-11-10 09:20:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2018-11-10 09:20:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1025 transitions. [2018-11-10 09:20:32,278 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1025 transitions. Word has length 63 [2018-11-10 09:20:32,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:32,278 INFO L481 AbstractCegarLoop]: Abstraction has 851 states and 1025 transitions. [2018-11-10 09:20:32,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 09:20:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1025 transitions. [2018-11-10 09:20:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 09:20:32,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:32,280 INFO L375 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] [2018-11-10 09:20:32,280 INFO L424 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:32,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:32,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1549959098, now seen corresponding path program 1 times [2018-11-10 09:20:32,280 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:32,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:32,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:32,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:32,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:32,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:32,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 09:20:32,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 09:20:32,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 09:20:32,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:32,350 INFO L87 Difference]: Start difference. First operand 851 states and 1025 transitions. Second operand 9 states. [2018-11-10 09:20:32,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:32,553 INFO L93 Difference]: Finished difference Result 868 states and 1041 transitions. [2018-11-10 09:20:32,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 09:20:32,554 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-11-10 09:20:32,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:32,556 INFO L225 Difference]: With dead ends: 868 [2018-11-10 09:20:32,556 INFO L226 Difference]: Without dead ends: 846 [2018-11-10 09:20:32,556 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 09:20:32,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2018-11-10 09:20:32,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 846. [2018-11-10 09:20:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-11-10 09:20:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1018 transitions. [2018-11-10 09:20:32,589 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1018 transitions. Word has length 64 [2018-11-10 09:20:32,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:32,589 INFO L481 AbstractCegarLoop]: Abstraction has 846 states and 1018 transitions. [2018-11-10 09:20:32,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 09:20:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1018 transitions. [2018-11-10 09:20:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 09:20:32,590 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:32,591 INFO L375 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] [2018-11-10 09:20:32,591 INFO L424 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:32,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:32,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1814896728, now seen corresponding path program 1 times [2018-11-10 09:20:32,591 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:32,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:32,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:32,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:32,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:32,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:32,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 09:20:32,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 09:20:32,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 09:20:32,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:32,641 INFO L87 Difference]: Start difference. First operand 846 states and 1018 transitions. Second operand 9 states. [2018-11-10 09:20:32,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:32,756 INFO L93 Difference]: Finished difference Result 863 states and 1034 transitions. [2018-11-10 09:20:32,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 09:20:32,757 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-11-10 09:20:32,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:32,759 INFO L225 Difference]: With dead ends: 863 [2018-11-10 09:20:32,759 INFO L226 Difference]: Without dead ends: 842 [2018-11-10 09:20:32,759 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 09:20:32,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2018-11-10 09:20:32,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2018-11-10 09:20:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2018-11-10 09:20:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1012 transitions. [2018-11-10 09:20:32,791 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1012 transitions. Word has length 64 [2018-11-10 09:20:32,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:32,791 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 1012 transitions. [2018-11-10 09:20:32,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 09:20:32,791 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1012 transitions. [2018-11-10 09:20:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 09:20:32,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:32,793 INFO L375 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] [2018-11-10 09:20:32,793 INFO L424 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:32,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:32,793 INFO L82 PathProgramCache]: Analyzing trace with hash 2066215379, now seen corresponding path program 1 times [2018-11-10 09:20:32,793 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:32,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:32,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:32,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:32,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:32,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:32,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 09:20:32,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 09:20:32,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 09:20:32,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 09:20:32,849 INFO L87 Difference]: Start difference. First operand 842 states and 1012 transitions. Second operand 8 states. [2018-11-10 09:20:32,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:32,942 INFO L93 Difference]: Finished difference Result 853 states and 1022 transitions. [2018-11-10 09:20:32,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:20:32,943 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-11-10 09:20:32,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:32,945 INFO L225 Difference]: With dead ends: 853 [2018-11-10 09:20:32,945 INFO L226 Difference]: Without dead ends: 831 [2018-11-10 09:20:32,946 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:32,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-11-10 09:20:32,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 771. [2018-11-10 09:20:32,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-10 09:20:32,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 926 transitions. [2018-11-10 09:20:32,979 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 926 transitions. Word has length 64 [2018-11-10 09:20:32,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:32,979 INFO L481 AbstractCegarLoop]: Abstraction has 771 states and 926 transitions. [2018-11-10 09:20:32,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 09:20:32,979 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 926 transitions. [2018-11-10 09:20:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 09:20:32,980 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:32,981 INFO L375 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] [2018-11-10 09:20:32,981 INFO L424 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:32,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:32,981 INFO L82 PathProgramCache]: Analyzing trace with hash 139756362, now seen corresponding path program 1 times [2018-11-10 09:20:32,981 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:32,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:32,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:32,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:32,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:33,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:33,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 09:20:33,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 09:20:33,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 09:20:33,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:33,021 INFO L87 Difference]: Start difference. First operand 771 states and 926 transitions. Second operand 3 states. [2018-11-10 09:20:33,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:33,063 INFO L93 Difference]: Finished difference Result 1131 states and 1374 transitions. [2018-11-10 09:20:33,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 09:20:33,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-11-10 09:20:33,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:33,067 INFO L225 Difference]: With dead ends: 1131 [2018-11-10 09:20:33,067 INFO L226 Difference]: Without dead ends: 876 [2018-11-10 09:20:33,068 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 09:20:33,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2018-11-10 09:20:33,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 846. [2018-11-10 09:20:33,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-11-10 09:20:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1021 transitions. [2018-11-10 09:20:33,104 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1021 transitions. Word has length 73 [2018-11-10 09:20:33,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:33,104 INFO L481 AbstractCegarLoop]: Abstraction has 846 states and 1021 transitions. [2018-11-10 09:20:33,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 09:20:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1021 transitions. [2018-11-10 09:20:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 09:20:33,106 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:33,106 INFO L375 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] [2018-11-10 09:20:33,106 INFO L424 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:33,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:33,106 INFO L82 PathProgramCache]: Analyzing trace with hash -442637689, now seen corresponding path program 1 times [2018-11-10 09:20:33,106 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:33,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:33,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:33,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:33,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:33,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:33,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:33,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 09:20:33,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 09:20:33,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 09:20:33,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:33,164 INFO L87 Difference]: Start difference. First operand 846 states and 1021 transitions. Second operand 9 states. [2018-11-10 09:20:33,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:33,285 INFO L93 Difference]: Finished difference Result 863 states and 1037 transitions. [2018-11-10 09:20:33,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 09:20:33,286 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-11-10 09:20:33,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:33,287 INFO L225 Difference]: With dead ends: 863 [2018-11-10 09:20:33,287 INFO L226 Difference]: Without dead ends: 820 [2018-11-10 09:20:33,288 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 09:20:33,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2018-11-10 09:20:33,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 820. [2018-11-10 09:20:33,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2018-11-10 09:20:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 989 transitions. [2018-11-10 09:20:33,325 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 989 transitions. Word has length 68 [2018-11-10 09:20:33,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:33,325 INFO L481 AbstractCegarLoop]: Abstraction has 820 states and 989 transitions. [2018-11-10 09:20:33,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 09:20:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 989 transitions. [2018-11-10 09:20:33,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 09:20:33,327 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:33,327 INFO L375 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] [2018-11-10 09:20:33,327 INFO L424 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:33,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:33,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1323707449, now seen corresponding path program 1 times [2018-11-10 09:20:33,328 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:33,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:33,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:33,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:33,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:33,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:33,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 09:20:33,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 09:20:33,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 09:20:33,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:33,403 INFO L87 Difference]: Start difference. First operand 820 states and 989 transitions. Second operand 7 states. [2018-11-10 09:20:33,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:33,816 INFO L93 Difference]: Finished difference Result 1127 states and 1369 transitions. [2018-11-10 09:20:33,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 09:20:33,817 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-10 09:20:33,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:33,819 INFO L225 Difference]: With dead ends: 1127 [2018-11-10 09:20:33,819 INFO L226 Difference]: Without dead ends: 815 [2018-11-10 09:20:33,820 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-11-10 09:20:33,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-10 09:20:33,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 804. [2018-11-10 09:20:33,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-10 09:20:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 964 transitions. [2018-11-10 09:20:33,857 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 964 transitions. Word has length 82 [2018-11-10 09:20:33,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:33,858 INFO L481 AbstractCegarLoop]: Abstraction has 804 states and 964 transitions. [2018-11-10 09:20:33,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 09:20:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 964 transitions. [2018-11-10 09:20:33,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 09:20:33,859 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:33,859 INFO L375 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] [2018-11-10 09:20:33,859 INFO L424 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:33,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:33,860 INFO L82 PathProgramCache]: Analyzing trace with hash -368625105, now seen corresponding path program 1 times [2018-11-10 09:20:33,860 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:33,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:33,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:33,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:33,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:33,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:33,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:33,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:33,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:33,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:33,895 INFO L87 Difference]: Start difference. First operand 804 states and 964 transitions. Second operand 5 states. [2018-11-10 09:20:33,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:33,958 INFO L93 Difference]: Finished difference Result 1000 states and 1193 transitions. [2018-11-10 09:20:33,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:20:33,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-11-10 09:20:33,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:33,961 INFO L225 Difference]: With dead ends: 1000 [2018-11-10 09:20:33,961 INFO L226 Difference]: Without dead ends: 824 [2018-11-10 09:20:33,962 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:33,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-11-10 09:20:33,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 816. [2018-11-10 09:20:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-11-10 09:20:33,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 978 transitions. [2018-11-10 09:20:33,998 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 978 transitions. Word has length 76 [2018-11-10 09:20:33,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:33,999 INFO L481 AbstractCegarLoop]: Abstraction has 816 states and 978 transitions. [2018-11-10 09:20:33,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:33,999 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 978 transitions. [2018-11-10 09:20:34,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 09:20:34,000 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:34,000 INFO L375 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] [2018-11-10 09:20:34,000 INFO L424 AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:34,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:34,001 INFO L82 PathProgramCache]: Analyzing trace with hash 344290896, now seen corresponding path program 1 times [2018-11-10 09:20:34,001 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:34,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:34,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:34,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:34,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:34,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:34,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 09:20:34,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 09:20:34,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 09:20:34,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:34,064 INFO L87 Difference]: Start difference. First operand 816 states and 978 transitions. Second operand 9 states. [2018-11-10 09:20:34,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:34,127 INFO L93 Difference]: Finished difference Result 990 states and 1177 transitions. [2018-11-10 09:20:34,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 09:20:34,128 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-11-10 09:20:34,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:34,129 INFO L225 Difference]: With dead ends: 990 [2018-11-10 09:20:34,130 INFO L226 Difference]: Without dead ends: 770 [2018-11-10 09:20:34,130 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 09:20:34,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2018-11-10 09:20:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 766. [2018-11-10 09:20:34,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2018-11-10 09:20:34,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 912 transitions. [2018-11-10 09:20:34,166 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 912 transitions. Word has length 76 [2018-11-10 09:20:34,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:34,166 INFO L481 AbstractCegarLoop]: Abstraction has 766 states and 912 transitions. [2018-11-10 09:20:34,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 09:20:34,166 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 912 transitions. [2018-11-10 09:20:34,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 09:20:34,168 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:34,168 INFO L375 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] [2018-11-10 09:20:34,168 INFO L424 AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:34,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:34,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1825310314, now seen corresponding path program 1 times [2018-11-10 09:20:34,168 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:34,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:34,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:34,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:34,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:34,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:34,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 09:20:34,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 09:20:34,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 09:20:34,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 09:20:34,233 INFO L87 Difference]: Start difference. First operand 766 states and 912 transitions. Second operand 6 states. [2018-11-10 09:20:34,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:34,291 INFO L93 Difference]: Finished difference Result 1109 states and 1353 transitions. [2018-11-10 09:20:34,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 09:20:34,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-10 09:20:34,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:34,294 INFO L225 Difference]: With dead ends: 1109 [2018-11-10 09:20:34,294 INFO L226 Difference]: Without dead ends: 852 [2018-11-10 09:20:34,295 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:34,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2018-11-10 09:20:34,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 732. [2018-11-10 09:20:34,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2018-11-10 09:20:34,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 868 transitions. [2018-11-10 09:20:34,329 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 868 transitions. Word has length 83 [2018-11-10 09:20:34,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:34,329 INFO L481 AbstractCegarLoop]: Abstraction has 732 states and 868 transitions. [2018-11-10 09:20:34,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 09:20:34,329 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 868 transitions. [2018-11-10 09:20:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 09:20:34,330 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:34,331 INFO L375 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] [2018-11-10 09:20:34,331 INFO L424 AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:34,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:34,331 INFO L82 PathProgramCache]: Analyzing trace with hash 300978297, now seen corresponding path program 1 times [2018-11-10 09:20:34,331 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:34,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:34,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:34,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:34,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:34,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:34,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:34,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:20:34,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:20:34,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:20:34,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:20:34,376 INFO L87 Difference]: Start difference. First operand 732 states and 868 transitions. Second operand 5 states. [2018-11-10 09:20:34,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:34,629 INFO L93 Difference]: Finished difference Result 1194 states and 1394 transitions. [2018-11-10 09:20:34,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 09:20:34,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-10 09:20:34,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:34,631 INFO L225 Difference]: With dead ends: 1194 [2018-11-10 09:20:34,631 INFO L226 Difference]: Without dead ends: 741 [2018-11-10 09:20:34,632 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:20:34,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-10 09:20:34,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 718. [2018-11-10 09:20:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2018-11-10 09:20:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 835 transitions. [2018-11-10 09:20:34,666 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 835 transitions. Word has length 78 [2018-11-10 09:20:34,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:34,667 INFO L481 AbstractCegarLoop]: Abstraction has 718 states and 835 transitions. [2018-11-10 09:20:34,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:20:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 835 transitions. [2018-11-10 09:20:34,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 09:20:34,668 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:34,668 INFO L375 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] [2018-11-10 09:20:34,668 INFO L424 AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:34,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:34,668 INFO L82 PathProgramCache]: Analyzing trace with hash -117597236, now seen corresponding path program 1 times [2018-11-10 09:20:34,668 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:34,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:34,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:34,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:34,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:34,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:34,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 09:20:34,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 09:20:34,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 09:20:34,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:34,728 INFO L87 Difference]: Start difference. First operand 718 states and 835 transitions. Second operand 9 states. [2018-11-10 09:20:34,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:34,889 INFO L93 Difference]: Finished difference Result 720 states and 836 transitions. [2018-11-10 09:20:34,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 09:20:34,889 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2018-11-10 09:20:34,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:34,891 INFO L225 Difference]: With dead ends: 720 [2018-11-10 09:20:34,891 INFO L226 Difference]: Without dead ends: 602 [2018-11-10 09:20:34,891 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-10 09:20:34,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2018-11-10 09:20:34,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2018-11-10 09:20:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-11-10 09:20:34,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 702 transitions. [2018-11-10 09:20:34,940 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 702 transitions. Word has length 81 [2018-11-10 09:20:34,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:34,940 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 702 transitions. [2018-11-10 09:20:34,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 09:20:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 702 transitions. [2018-11-10 09:20:34,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 09:20:34,941 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:34,942 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:20:34,942 INFO L424 AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:34,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:34,942 INFO L82 PathProgramCache]: Analyzing trace with hash 290782018, now seen corresponding path program 1 times [2018-11-10 09:20:34,942 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:34,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:34,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:34,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:34,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:20:35,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:20:35,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:20:35,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 09:20:35,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 09:20:35,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 09:20:35,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 09:20:35,052 INFO L87 Difference]: Start difference. First operand 602 states and 702 transitions. Second operand 9 states. [2018-11-10 09:20:35,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:20:35,252 INFO L93 Difference]: Finished difference Result 635 states and 735 transitions. [2018-11-10 09:20:35,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 09:20:35,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-10 09:20:35,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:20:35,255 INFO L225 Difference]: With dead ends: 635 [2018-11-10 09:20:35,255 INFO L226 Difference]: Without dead ends: 614 [2018-11-10 09:20:35,256 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-11-10 09:20:35,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2018-11-10 09:20:35,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 602. [2018-11-10 09:20:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-11-10 09:20:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 701 transitions. [2018-11-10 09:20:35,307 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 701 transitions. Word has length 88 [2018-11-10 09:20:35,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:20:35,307 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 701 transitions. [2018-11-10 09:20:35,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 09:20:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 701 transitions. [2018-11-10 09:20:35,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-10 09:20:35,308 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:20:35,309 INFO L375 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] [2018-11-10 09:20:35,309 INFO L424 AbstractCegarLoop]: === Iteration 55 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:20:35,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:20:35,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1276127581, now seen corresponding path program 1 times [2018-11-10 09:20:35,309 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:20:35,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:20:35,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:35,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:20:35,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:20:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:20:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:20:35,381 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 09:20:35,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:20:35 BoogieIcfgContainer [2018-11-10 09:20:35,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 09:20:35,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:20:35,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:20:35,465 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:20:35,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:20:22" (3/4) ... [2018-11-10 09:20:35,468 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 09:20:35,563 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a26527b8-5081-4127-a58f-c025ad1a3623/bin-2019/uautomizer/witness.graphml [2018-11-10 09:20:35,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:20:35,564 INFO L168 Benchmark]: Toolchain (without parser) took 14809.38 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 681.1 MB). Free memory was 951.1 MB in the beginning and 907.3 MB in the end (delta: 43.7 MB). Peak memory consumption was 724.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:20:35,565 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:20:35,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 921.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:20:35,565 INFO L168 Benchmark]: Boogie Preprocessor took 96.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 921.5 MB in the beginning and 1.2 GB in the end (delta: -241.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:20:35,565 INFO L168 Benchmark]: RCFGBuilder took 875.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 114.5 MB). Peak memory consumption was 114.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:20:35,565 INFO L168 Benchmark]: TraceAbstraction took 13385.39 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 507.5 MB). Free memory was 1.0 GB in the beginning and 939.9 MB in the end (delta: 109.0 MB). Peak memory consumption was 616.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:20:35,566 INFO L168 Benchmark]: Witness Printer took 97.91 ms. Allocated memory is still 1.7 GB. Free memory was 939.9 MB in the beginning and 907.3 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:20:35,567 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 921.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 921.5 MB in the beginning and 1.2 GB in the end (delta: -241.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 875.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 114.5 MB). Peak memory consumption was 114.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13385.39 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 507.5 MB). Free memory was 1.0 GB in the beginning and 939.9 MB in the end (delta: 109.0 MB). Peak memory consumption was 616.6 MB. Max. memory is 11.5 GB. * Witness Printer took 97.91 ms. Allocated memory is still 1.7 GB. Free memory was 939.9 MB in the beginning and 907.3 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1626]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L41] int FloppyThread ; [L42] int KernelMode ; [L43] int Suspended ; [L44] int Executive ; [L45] int DiskController ; [L46] int FloppyDiskPeripheral ; [L47] int FlConfigCallBack ; [L48] int MaximumInterfaceType ; [L49] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L50] int myStatus ; [L51] int s ; [L52] int UNLOADED ; [L53] int NP ; [L54] int DC ; [L55] int SKIP1 ; [L56] int SKIP2 ; [L57] int MPR1 ; [L58] int MPR3 ; [L59] int IPC ; [L60] int pended ; [L61] int compRegistered ; [L62] int lowerDriverReturn ; [L63] int setEventCalled ; [L64] int customIrp ; [L87] int PagingReferenceCount = 0; [L88] int PagingMutex = 0; VAL [\old(compRegistered)=277, \old(customIrp)=280, \old(DC)=274, \old(DiskController)=276, \old(Executive)=278, \old(FlConfigCallBack)=265, \old(FloppyDiskPeripheral)=275, \old(FloppyThread)=261, \old(IPC)=262, \old(KernelMode)=272, \old(lowerDriverReturn)=285, \old(MaximumInterfaceType)=284, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=260, \old(MPR1)=268, \old(MPR3)=281, \old(myStatus)=283, \old(NP)=279, \old(PagingMutex)=266, \old(PagingReferenceCount)=270, \old(pended)=271, \old(s)=263, \old(setEventCalled)=282, \old(SKIP1)=267, \old(SKIP2)=264, \old(Suspended)=269, \old(UNLOADED)=273, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L667] int status ; [L668] int irp = __VERIFIER_nondet_int() ; [L669] int pirp ; [L670] int pirp__IoStatus__Status ; [L671] int irp_choice = __VERIFIER_nondet_int() ; [L672] int devobj = __VERIFIER_nondet_int() ; [L673] int __cil_tmp8 ; [L675] FloppyThread = 0 [L676] KernelMode = 0 [L677] Suspended = 0 [L678] Executive = 0 [L679] DiskController = 0 [L680] FloppyDiskPeripheral = 0 [L681] FlConfigCallBack = 0 [L682] MaximumInterfaceType = 0 [L683] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L684] myStatus = 0 [L685] s = 0 [L686] UNLOADED = 0 [L687] NP = 0 [L688] DC = 0 [L689] SKIP1 = 0 [L690] SKIP2 = 0 [L691] MPR1 = 0 [L692] MPR3 = 0 [L693] IPC = 0 [L694] pended = 0 [L695] compRegistered = 0 [L696] lowerDriverReturn = 0 [L697] setEventCalled = 0 [L698] customIrp = 0 [L702] status = 0 [L703] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L704] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L70] UNLOADED = 0 [L71] NP = 1 [L72] DC = 2 [L73] SKIP1 = 3 [L74] SKIP2 = 4 [L75] MPR1 = 5 [L76] MPR3 = 6 [L77] IPC = 7 [L78] s = UNLOADED [L79] pended = 0 [L80] compRegistered = 0 [L81] lowerDriverReturn = 0 [L82] setEventCalled = 0 [L83] RET customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L704] _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L706] COND TRUE status >= 0 [L707] s = NP [L708] customIrp = 0 [L709] setEventCalled = customIrp [L710] lowerDriverReturn = setEventCalled [L711] compRegistered = lowerDriverReturn [L712] pended = compRegistered [L713] pirp__IoStatus__Status = 0 [L714] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L715] COND TRUE irp_choice == 0 [L716] pirp__IoStatus__Status = -1073741637 [L717] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L720] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L657] s = NP [L658] pended = 0 [L659] compRegistered = 0 [L660] lowerDriverReturn = 0 [L661] setEventCalled = 0 [L662] RET customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L720] stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L723] COND FALSE !(status < 0) [L727] int tmp_ndt_1; [L728] tmp_ndt_1 = __VERIFIER_nondet_int() [L729] COND FALSE !(tmp_ndt_1 == 0) [L732] int tmp_ndt_2; [L733] tmp_ndt_2 = __VERIFIER_nondet_int() [L734] COND FALSE !(tmp_ndt_2 == 1) [L737] int tmp_ndt_3; [L738] tmp_ndt_3 = __VERIFIER_nondet_int() [L739] COND FALSE !(tmp_ndt_3 == 2) [L742] int tmp_ndt_4; [L743] tmp_ndt_4 = __VERIFIER_nondet_int() [L744] COND TRUE tmp_ndt_4 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L160] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L161] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L162] int Irp__IoStatus__Information ; [L163] int Irp__IoStatus__Status ; [L164] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L165] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L166] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L167] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L168] int disketteExtension__HoldNewRequests ; [L169] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L170] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L171] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L172] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L173] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L174] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L175] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L176] int irpSp ; [L177] int disketteExtension ; [L178] int ntStatus ; [L179] int doneEvent = __VERIFIER_nondet_int() ; [L180] int irpSp___0 ; [L181] int nextIrpSp ; [L182] int nextIrpSp__Control ; [L183] int irpSp___1 ; [L184] int irpSp__Context ; [L185] int irpSp__Control ; [L186] long __cil_tmp29 ; [L187] long __cil_tmp30 ; [L190] ntStatus = 0 [L191] PagingReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L192] COND TRUE PagingReferenceCount == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L195] disketteExtension = DeviceObject__DeviceExtension [L196] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L197] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L206] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L209] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L235] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L238] COND FALSE !(! disketteExtension__IsStarted) [L254] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L97] int status ; [L98] int threadHandle = __VERIFIER_nondet_int() ; [L99] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L100] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L101] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L102] int Irp__IoStatus__Status ; [L103] int Irp__IoStatus__Information ; [L104] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L105] int ObjAttributes = __VERIFIER_nondet_int() ; [L106] int __cil_tmp12 ; [L107] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-3, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L110] COND FALSE !(DisketteExtension__PoweringDown == 1) [L116] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L117] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L149] COND TRUE pended == 0 [L150] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L156] RET 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=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L255] EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, FlQueueIrpToThread(Irp, disketteExtension)=259, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L258] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L261-L262] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1065] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1074] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1078] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1085] int tmp_ndt_12; [L1086] tmp_ndt_12 = __VERIFIER_nondet_int() [L1087] COND FALSE !(tmp_ndt_12 == 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_12=1, UNLOADED=0, WaitMode=0, WaitReason=0] [L1095] RET return (-1073741823); VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, \result=-1073741823, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_12=1, UNLOADED=0, WaitMode=0, WaitReason=0] [L261-L262] KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=-1073741823, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L264] COND FALSE !(disketteExtension__FloppyThread != 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L267] disketteExtension__FloppyThread = 0 [L268] Irp__IoStatus__Status = 0 [L269] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L270] COND TRUE s == NP [L271] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L278] Irp__CurrentLocation ++ [L279] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L967] int returnVal2 ; [L968] int compRetStatus1 ; [L969] int lcontext = __VERIFIER_nondet_int() ; [L970] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L973] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L986] int tmp_ndt_10; [L987] tmp_ndt_10 = __VERIFIER_nondet_int() [L988] COND TRUE tmp_ndt_10 == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L999] returnVal2 = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1012] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1016] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1025] COND TRUE s == SKIP1 [L1026] s = SKIP2 [L1027] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1035] RET return (returnVal2); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L280] EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L426] PagingReferenceCount -- VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L427] COND TRUE PagingReferenceCount == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L430] RET return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L766] EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] status = FloppyPnp(devobj, pirp) [L779] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L780] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L787] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L788] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L795] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L796] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L797] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L811] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L812] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L813] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1626] __VERIFIER_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 420 locations, 1 error locations. UNSAFE Result, 13.3s OverallTime, 55 OverallIterations, 1 TraceHistogramMax, 7.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25063 SDtfs, 10289 SDslu, 68852 SDs, 0 SdLazy, 7381 SolverSat, 1551 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 126 SyntacticMatches, 11 SemanticMatches, 265 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=978occurred in iteration=31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 54 MinimizatonAttempts, 1706 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3097 NumberOfCodeBlocks, 3097 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2958 ConstructedInterpolants, 0 QuantifiedInterpolants, 307042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 54 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...