./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/config/TaipanReach.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_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan --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 Taipan --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 0.1.23-5842f4b [2018-11-18 13:48:32,123 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:48:32,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:48:32,131 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:48:32,131 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:48:32,132 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:48:32,133 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:48:32,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:48:32,135 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:48:32,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:48:32,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:48:32,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:48:32,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:48:32,138 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:48:32,138 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:48:32,139 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:48:32,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:48:32,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:48:32,142 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:48:32,143 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:48:32,144 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:48:32,145 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:48:32,146 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:48:32,146 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:48:32,146 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:48:32,146 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:48:32,147 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:48:32,147 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:48:32,148 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:48:32,148 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:48:32,148 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:48:32,149 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:48:32,149 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:48:32,149 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:48:32,150 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:48:32,150 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:48:32,150 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:48:32,158 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:48:32,158 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:48:32,159 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:48:32,159 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:48:32,159 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:48:32,159 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:48:32,159 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:48:32,159 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:48:32,159 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:48:32,160 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:48:32,160 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:48:32,160 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:48:32,160 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:48:32,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:48:32,160 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:48:32,161 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:48:32,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:48:32,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:48:32,161 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:48:32,161 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:48:32,161 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:48:32,161 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:48:32,161 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:48:32,161 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:48:32,162 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:48:32,162 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:48:32,162 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:48:32,162 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:48:32,162 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:48:32,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:48:32,162 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:48:32,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:48:32,163 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:48:32,163 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:48:32,163 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:48:32,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:48:32,163 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:48:32,163 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan 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 -> Taipan 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 [2018-11-18 13:48:32,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:48:32,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:48:32,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:48:32,197 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:48:32,197 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:48:32,198 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 13:48:32,232 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/data/284eb27a0/8d7dc762ff3f4081903f5324567acd80/FLAG8602ac8bf [2018-11-18 13:48:32,670 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:48:32,671 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 13:48:32,684 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/data/284eb27a0/8d7dc762ff3f4081903f5324567acd80/FLAG8602ac8bf [2018-11-18 13:48:32,694 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/data/284eb27a0/8d7dc762ff3f4081903f5324567acd80 [2018-11-18 13:48:32,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:48:32,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:48:32,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:48:32,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:48:32,701 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:48:32,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:48:32" (1/1) ... [2018-11-18 13:48:32,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf57369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:32, skipping insertion in model container [2018-11-18 13:48:32,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:48:32" (1/1) ... [2018-11-18 13:48:32,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:48:32,746 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:48:32,960 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:48:32,964 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:48:33,031 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:48:33,096 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:48:33,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33 WrapperNode [2018-11-18 13:48:33,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:48:33,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:48:33,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:48:33,097 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:48:33,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (1/1) ... [2018-11-18 13:48:33,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (1/1) ... [2018-11-18 13:48:33,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:48:33,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:48:33,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:48:33,118 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:48:33,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (1/1) ... [2018-11-18 13:48:33,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (1/1) ... [2018-11-18 13:48:33,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (1/1) ... [2018-11-18 13:48:33,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (1/1) ... [2018-11-18 13:48:33,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (1/1) ... [2018-11-18 13:48:33,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (1/1) ... [2018-11-18 13:48:33,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (1/1) ... [2018-11-18 13:48:33,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:48:33,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:48:33,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:48:33,167 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:48:33,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/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 [2018-11-18 13:48:33,219 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-11-18 13:48:33,219 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-11-18 13:48:33,219 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-18 13:48:33,219 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-18 13:48:33,219 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-11-18 13:48:33,219 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-11-18 13:48:33,220 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-11-18 13:48:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-11-18 13:48:33,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:48:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:48:33,220 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-11-18 13:48:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-11-18 13:48:33,220 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-18 13:48:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-18 13:48:33,220 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-11-18 13:48:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-11-18 13:48:33,221 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-18 13:48:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-18 13:48:33,221 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-18 13:48:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-18 13:48:33,221 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-11-18 13:48:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-11-18 13:48:33,221 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-11-18 13:48:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-11-18 13:48:33,222 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-11-18 13:48:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-11-18 13:48:33,222 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-11-18 13:48:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-11-18 13:48:33,222 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-18 13:48:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-18 13:48:33,222 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-18 13:48:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-18 13:48:33,222 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-18 13:48:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-18 13:48:33,223 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-18 13:48:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-18 13:48:33,223 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-11-18 13:48:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-11-18 13:48:33,223 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-11-18 13:48:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-11-18 13:48:33,223 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-11-18 13:48:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-11-18 13:48:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:48:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:48:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-11-18 13:48:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-11-18 13:48:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-11-18 13:48:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-11-18 13:48:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-11-18 13:48:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-11-18 13:48:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:48:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:48:33,225 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-11-18 13:48:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-11-18 13:48:33,225 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-11-18 13:48:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-11-18 13:48:33,225 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-18 13:48:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-18 13:48:33,453 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:33,453 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:33,503 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:33,503 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:33,518 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:33,518 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:33,704 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:33,704 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:33,800 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:33,800 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:33,887 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:33,887 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:33,895 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:33,895 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:33,902 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:33,902 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:33,939 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:33,939 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:34,000 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:34,000 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:34,136 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:34,136 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:34,140 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:34,140 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:34,156 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:48:34,156 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:48:34,166 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:48:34,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:48:34 BoogieIcfgContainer [2018-11-18 13:48:34,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:48:34,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:48:34,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:48:34,169 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:48:34,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:48:32" (1/3) ... [2018-11-18 13:48:34,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ef77da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:48:34, skipping insertion in model container [2018-11-18 13:48:34,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:33" (2/3) ... [2018-11-18 13:48:34,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ef77da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:48:34, skipping insertion in model container [2018-11-18 13:48:34,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:48:34" (3/3) ... [2018-11-18 13:48:34,172 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 13:48:34,178 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:48:34,183 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:48:34,193 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:48:34,217 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:48:34,217 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:48:34,217 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:48:34,217 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:48:34,217 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:48:34,217 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:48:34,217 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:48:34,217 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:48:34,237 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states. [2018-11-18 13:48:34,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:48:34,241 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:34,242 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] [2018-11-18 13:48:34,244 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:34,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:34,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1363723798, now seen corresponding path program 1 times [2018-11-18 13:48:34,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:34,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:34,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:34,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:34,278 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:34,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:34,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:34,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:34,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:34,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:34,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:34,416 INFO L87 Difference]: Start difference. First operand 391 states. Second operand 3 states. [2018-11-18 13:48:34,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:34,505 INFO L93 Difference]: Finished difference Result 628 states and 915 transitions. [2018-11-18 13:48:34,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:34,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-18 13:48:34,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:34,517 INFO L225 Difference]: With dead ends: 628 [2018-11-18 13:48:34,517 INFO L226 Difference]: Without dead ends: 383 [2018-11-18 13:48:34,521 INFO L604 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 [2018-11-18 13:48:34,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-11-18 13:48:34,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2018-11-18 13:48:34,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 13:48:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 527 transitions. [2018-11-18 13:48:34,567 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 527 transitions. Word has length 20 [2018-11-18 13:48:34,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:34,567 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 527 transitions. [2018-11-18 13:48:34,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 527 transitions. [2018-11-18 13:48:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:48:34,569 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:34,569 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] [2018-11-18 13:48:34,569 INFO L423 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:34,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:34,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1818717485, now seen corresponding path program 1 times [2018-11-18 13:48:34,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:34,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:34,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:34,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:34,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:34,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:34,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:34,677 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:34,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:34,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:34,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:34,679 INFO L87 Difference]: Start difference. First operand 383 states and 527 transitions. Second operand 3 states. [2018-11-18 13:48:34,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:34,827 INFO L93 Difference]: Finished difference Result 708 states and 962 transitions. [2018-11-18 13:48:34,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:34,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-18 13:48:34,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:34,832 INFO L225 Difference]: With dead ends: 708 [2018-11-18 13:48:34,832 INFO L226 Difference]: Without dead ends: 542 [2018-11-18 13:48:34,833 INFO L604 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 [2018-11-18 13:48:34,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-11-18 13:48:34,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 523. [2018-11-18 13:48:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-11-18 13:48:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 711 transitions. [2018-11-18 13:48:34,869 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 711 transitions. Word has length 25 [2018-11-18 13:48:34,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:34,869 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 711 transitions. [2018-11-18 13:48:34,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 711 transitions. [2018-11-18 13:48:34,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:48:34,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:34,871 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] [2018-11-18 13:48:34,871 INFO L423 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:34,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:34,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1022871450, now seen corresponding path program 1 times [2018-11-18 13:48:34,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:34,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:34,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:34,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:34,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:34,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:34,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:34,946 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:34,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:34,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:34,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:34,947 INFO L87 Difference]: Start difference. First operand 523 states and 711 transitions. Second operand 3 states. [2018-11-18 13:48:35,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:35,006 INFO L93 Difference]: Finished difference Result 648 states and 868 transitions. [2018-11-18 13:48:35,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:35,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-18 13:48:35,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:35,011 INFO L225 Difference]: With dead ends: 648 [2018-11-18 13:48:35,011 INFO L226 Difference]: Without dead ends: 627 [2018-11-18 13:48:35,012 INFO L604 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 [2018-11-18 13:48:35,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2018-11-18 13:48:35,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 587. [2018-11-18 13:48:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-11-18 13:48:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 794 transitions. [2018-11-18 13:48:35,041 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 794 transitions. Word has length 31 [2018-11-18 13:48:35,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:35,041 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 794 transitions. [2018-11-18 13:48:35,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 794 transitions. [2018-11-18 13:48:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 13:48:35,043 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:35,043 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] [2018-11-18 13:48:35,043 INFO L423 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:35,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:35,043 INFO L82 PathProgramCache]: Analyzing trace with hash 571187427, now seen corresponding path program 1 times [2018-11-18 13:48:35,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:35,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:35,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,044 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:35,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:35,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:35,104 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:35,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:35,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:35,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:35,105 INFO L87 Difference]: Start difference. First operand 587 states and 794 transitions. Second operand 3 states. [2018-11-18 13:48:35,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:35,172 INFO L93 Difference]: Finished difference Result 1102 states and 1485 transitions. [2018-11-18 13:48:35,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:35,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-11-18 13:48:35,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:35,177 INFO L225 Difference]: With dead ends: 1102 [2018-11-18 13:48:35,177 INFO L226 Difference]: Without dead ends: 800 [2018-11-18 13:48:35,178 INFO L604 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 [2018-11-18 13:48:35,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-18 13:48:35,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 771. [2018-11-18 13:48:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-18 13:48:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1046 transitions. [2018-11-18 13:48:35,216 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1046 transitions. Word has length 33 [2018-11-18 13:48:35,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:35,216 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1046 transitions. [2018-11-18 13:48:35,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1046 transitions. [2018-11-18 13:48:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:48:35,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:35,218 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] [2018-11-18 13:48:35,218 INFO L423 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:35,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:35,220 INFO L82 PathProgramCache]: Analyzing trace with hash -641185792, now seen corresponding path program 1 times [2018-11-18 13:48:35,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:35,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:35,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,221 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:35,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:35,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:35,268 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:35,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:35,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:35,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:35,269 INFO L87 Difference]: Start difference. First operand 771 states and 1046 transitions. Second operand 3 states. [2018-11-18 13:48:35,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:35,360 INFO L93 Difference]: Finished difference Result 815 states and 1100 transitions. [2018-11-18 13:48:35,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:35,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-18 13:48:35,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:35,364 INFO L225 Difference]: With dead ends: 815 [2018-11-18 13:48:35,364 INFO L226 Difference]: Without dead ends: 810 [2018-11-18 13:48:35,365 INFO L604 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 [2018-11-18 13:48:35,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-11-18 13:48:35,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 806. [2018-11-18 13:48:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-11-18 13:48:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1090 transitions. [2018-11-18 13:48:35,396 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1090 transitions. Word has length 39 [2018-11-18 13:48:35,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:35,396 INFO L480 AbstractCegarLoop]: Abstraction has 806 states and 1090 transitions. [2018-11-18 13:48:35,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1090 transitions. [2018-11-18 13:48:35,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 13:48:35,397 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:35,397 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] [2018-11-18 13:48:35,398 INFO L423 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:35,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:35,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1713173281, now seen corresponding path program 1 times [2018-11-18 13:48:35,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:35,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:35,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,401 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:35,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:35,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:35,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:35,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:35,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:35,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:35,463 INFO L87 Difference]: Start difference. First operand 806 states and 1090 transitions. Second operand 3 states. [2018-11-18 13:48:35,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:35,610 INFO L93 Difference]: Finished difference Result 821 states and 1110 transitions. [2018-11-18 13:48:35,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:35,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-18 13:48:35,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:35,615 INFO L225 Difference]: With dead ends: 821 [2018-11-18 13:48:35,615 INFO L226 Difference]: Without dead ends: 818 [2018-11-18 13:48:35,616 INFO L604 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 [2018-11-18 13:48:35,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-11-18 13:48:35,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 817. [2018-11-18 13:48:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-11-18 13:48:35,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1104 transitions. [2018-11-18 13:48:35,650 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1104 transitions. Word has length 38 [2018-11-18 13:48:35,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:35,650 INFO L480 AbstractCegarLoop]: Abstraction has 817 states and 1104 transitions. [2018-11-18 13:48:35,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1104 transitions. [2018-11-18 13:48:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:48:35,652 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:35,652 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] [2018-11-18 13:48:35,652 INFO L423 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:35,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:35,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1580109025, now seen corresponding path program 1 times [2018-11-18 13:48:35,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:35,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:35,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,654 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:35,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:35,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:35,707 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:35,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:35,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:35,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:35,707 INFO L87 Difference]: Start difference. First operand 817 states and 1104 transitions. Second operand 5 states. [2018-11-18 13:48:35,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:35,769 INFO L93 Difference]: Finished difference Result 830 states and 1118 transitions. [2018-11-18 13:48:35,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:35,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-11-18 13:48:35,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:35,773 INFO L225 Difference]: With dead ends: 830 [2018-11-18 13:48:35,773 INFO L226 Difference]: Without dead ends: 815 [2018-11-18 13:48:35,774 INFO L604 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 [2018-11-18 13:48:35,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-18 13:48:35,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 815. [2018-11-18 13:48:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2018-11-18 13:48:35,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1100 transitions. [2018-11-18 13:48:35,803 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1100 transitions. Word has length 39 [2018-11-18 13:48:35,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:35,803 INFO L480 AbstractCegarLoop]: Abstraction has 815 states and 1100 transitions. [2018-11-18 13:48:35,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1100 transitions. [2018-11-18 13:48:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:48:35,804 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:35,804 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] [2018-11-18 13:48:35,804 INFO L423 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:35,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:35,805 INFO L82 PathProgramCache]: Analyzing trace with hash 2050678180, now seen corresponding path program 1 times [2018-11-18 13:48:35,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:35,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:35,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,806 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:35,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:35,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:35,843 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:35,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:35,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:35,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:35,844 INFO L87 Difference]: Start difference. First operand 815 states and 1100 transitions. Second operand 5 states. [2018-11-18 13:48:35,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:35,908 INFO L93 Difference]: Finished difference Result 828 states and 1114 transitions. [2018-11-18 13:48:35,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:35,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-11-18 13:48:35,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:35,912 INFO L225 Difference]: With dead ends: 828 [2018-11-18 13:48:35,912 INFO L226 Difference]: Without dead ends: 808 [2018-11-18 13:48:35,913 INFO L604 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 [2018-11-18 13:48:35,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2018-11-18 13:48:35,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2018-11-18 13:48:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-11-18 13:48:35,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1091 transitions. [2018-11-18 13:48:35,944 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1091 transitions. Word has length 40 [2018-11-18 13:48:35,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:35,945 INFO L480 AbstractCegarLoop]: Abstraction has 808 states and 1091 transitions. [2018-11-18 13:48:35,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1091 transitions. [2018-11-18 13:48:35,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:48:35,946 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:35,948 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] [2018-11-18 13:48:35,948 INFO L423 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:35,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:35,948 INFO L82 PathProgramCache]: Analyzing trace with hash 581452453, now seen corresponding path program 1 times [2018-11-18 13:48:35,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:35,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:35,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:35,949 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:36,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:36,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:36,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:36,003 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:36,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:36,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:36,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:36,004 INFO L87 Difference]: Start difference. First operand 808 states and 1091 transitions. Second operand 5 states. [2018-11-18 13:48:36,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:36,302 INFO L93 Difference]: Finished difference Result 821 states and 1103 transitions. [2018-11-18 13:48:36,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:36,303 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-11-18 13:48:36,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:36,307 INFO L225 Difference]: With dead ends: 821 [2018-11-18 13:48:36,307 INFO L226 Difference]: Without dead ends: 812 [2018-11-18 13:48:36,308 INFO L604 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 [2018-11-18 13:48:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-11-18 13:48:36,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 808. [2018-11-18 13:48:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-11-18 13:48:36,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1089 transitions. [2018-11-18 13:48:36,339 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1089 transitions. Word has length 43 [2018-11-18 13:48:36,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:36,339 INFO L480 AbstractCegarLoop]: Abstraction has 808 states and 1089 transitions. [2018-11-18 13:48:36,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:36,339 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1089 transitions. [2018-11-18 13:48:36,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 13:48:36,340 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:36,340 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] [2018-11-18 13:48:36,341 INFO L423 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:36,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:36,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1124998528, now seen corresponding path program 1 times [2018-11-18 13:48:36,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:36,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:36,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:36,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:36,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:36,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:36,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:48:36,392 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:36,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:48:36,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:48:36,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:48:36,393 INFO L87 Difference]: Start difference. First operand 808 states and 1089 transitions. Second operand 4 states. [2018-11-18 13:48:36,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:36,455 INFO L93 Difference]: Finished difference Result 836 states and 1122 transitions. [2018-11-18 13:48:36,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:48:36,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-11-18 13:48:36,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:36,459 INFO L225 Difference]: With dead ends: 836 [2018-11-18 13:48:36,461 INFO L226 Difference]: Without dead ends: 814 [2018-11-18 13:48:36,461 INFO L604 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 [2018-11-18 13:48:36,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-11-18 13:48:36,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 810. [2018-11-18 13:48:36,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2018-11-18 13:48:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1091 transitions. [2018-11-18 13:48:36,493 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1091 transitions. Word has length 42 [2018-11-18 13:48:36,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:36,493 INFO L480 AbstractCegarLoop]: Abstraction has 810 states and 1091 transitions. [2018-11-18 13:48:36,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:48:36,493 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1091 transitions. [2018-11-18 13:48:36,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:48:36,494 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:36,494 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] [2018-11-18 13:48:36,495 INFO L423 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:36,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:36,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1144476288, now seen corresponding path program 1 times [2018-11-18 13:48:36,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:36,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:36,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:36,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:36,496 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:36,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:36,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:36,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:36,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:36,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:36,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:36,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:36,543 INFO L87 Difference]: Start difference. First operand 810 states and 1091 transitions. Second operand 3 states. [2018-11-18 13:48:36,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:36,644 INFO L93 Difference]: Finished difference Result 1194 states and 1622 transitions. [2018-11-18 13:48:36,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:36,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-18 13:48:36,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:36,649 INFO L225 Difference]: With dead ends: 1194 [2018-11-18 13:48:36,649 INFO L226 Difference]: Without dead ends: 1191 [2018-11-18 13:48:36,651 INFO L604 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 [2018-11-18 13:48:36,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2018-11-18 13:48:36,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 935. [2018-11-18 13:48:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-11-18 13:48:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1262 transitions. [2018-11-18 13:48:36,693 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1262 transitions. Word has length 44 [2018-11-18 13:48:36,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:36,693 INFO L480 AbstractCegarLoop]: Abstraction has 935 states and 1262 transitions. [2018-11-18 13:48:36,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1262 transitions. [2018-11-18 13:48:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:48:36,695 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:36,695 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] [2018-11-18 13:48:36,695 INFO L423 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:36,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:36,695 INFO L82 PathProgramCache]: Analyzing trace with hash -44095477, now seen corresponding path program 1 times [2018-11-18 13:48:36,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:36,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:36,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:36,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:36,696 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:36,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:36,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:36,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:36,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:36,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:36,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:36,770 INFO L87 Difference]: Start difference. First operand 935 states and 1262 transitions. Second operand 5 states. [2018-11-18 13:48:37,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:37,079 INFO L93 Difference]: Finished difference Result 948 states and 1274 transitions. [2018-11-18 13:48:37,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:37,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-11-18 13:48:37,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:37,084 INFO L225 Difference]: With dead ends: 948 [2018-11-18 13:48:37,084 INFO L226 Difference]: Without dead ends: 939 [2018-11-18 13:48:37,084 INFO L604 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 [2018-11-18 13:48:37,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-11-18 13:48:37,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 935. [2018-11-18 13:48:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-11-18 13:48:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1260 transitions. [2018-11-18 13:48:37,124 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1260 transitions. Word has length 44 [2018-11-18 13:48:37,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:37,124 INFO L480 AbstractCegarLoop]: Abstraction has 935 states and 1260 transitions. [2018-11-18 13:48:37,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1260 transitions. [2018-11-18 13:48:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:48:37,125 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:37,125 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] [2018-11-18 13:48:37,125 INFO L423 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:37,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:37,126 INFO L82 PathProgramCache]: Analyzing trace with hash -171709427, now seen corresponding path program 1 times [2018-11-18 13:48:37,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:37,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:37,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:37,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:37,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:37,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:37,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:48:37,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:37,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:48:37,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:48:37,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:48:37,171 INFO L87 Difference]: Start difference. First operand 935 states and 1260 transitions. Second operand 4 states. [2018-11-18 13:48:37,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:37,232 INFO L93 Difference]: Finished difference Result 963 states and 1293 transitions. [2018-11-18 13:48:37,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:48:37,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-18 13:48:37,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:37,236 INFO L225 Difference]: With dead ends: 963 [2018-11-18 13:48:37,236 INFO L226 Difference]: Without dead ends: 941 [2018-11-18 13:48:37,237 INFO L604 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 [2018-11-18 13:48:37,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-11-18 13:48:37,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 935. [2018-11-18 13:48:37,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-11-18 13:48:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1260 transitions. [2018-11-18 13:48:37,278 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1260 transitions. Word has length 43 [2018-11-18 13:48:37,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:37,278 INFO L480 AbstractCegarLoop]: Abstraction has 935 states and 1260 transitions. [2018-11-18 13:48:37,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:48:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1260 transitions. [2018-11-18 13:48:37,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:48:37,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:37,279 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] [2018-11-18 13:48:37,280 INFO L423 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:37,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:37,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1357087049, now seen corresponding path program 1 times [2018-11-18 13:48:37,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:37,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:37,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:37,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:37,281 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:37,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:37,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:37,348 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:37,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:37,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:37,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:37,348 INFO L87 Difference]: Start difference. First operand 935 states and 1260 transitions. Second operand 5 states. [2018-11-18 13:48:37,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:37,902 INFO L93 Difference]: Finished difference Result 1686 states and 2245 transitions. [2018-11-18 13:48:37,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:48:37,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-18 13:48:37,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:37,907 INFO L225 Difference]: With dead ends: 1686 [2018-11-18 13:48:37,907 INFO L226 Difference]: Without dead ends: 1120 [2018-11-18 13:48:37,909 INFO L604 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 [2018-11-18 13:48:37,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-11-18 13:48:37,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 926. [2018-11-18 13:48:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-18 13:48:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1239 transitions. [2018-11-18 13:48:37,957 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1239 transitions. Word has length 45 [2018-11-18 13:48:37,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:37,957 INFO L480 AbstractCegarLoop]: Abstraction has 926 states and 1239 transitions. [2018-11-18 13:48:37,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1239 transitions. [2018-11-18 13:48:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:48:37,959 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:37,959 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] [2018-11-18 13:48:37,959 INFO L423 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:37,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:37,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1312044786, now seen corresponding path program 1 times [2018-11-18 13:48:37,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:37,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:37,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:37,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:37,960 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:37,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:37,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:37,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:37,995 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:37,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:37,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:37,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:37,996 INFO L87 Difference]: Start difference. First operand 926 states and 1239 transitions. Second operand 5 states. [2018-11-18 13:48:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:38,054 INFO L93 Difference]: Finished difference Result 942 states and 1254 transitions. [2018-11-18 13:48:38,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:38,055 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-18 13:48:38,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:38,058 INFO L225 Difference]: With dead ends: 942 [2018-11-18 13:48:38,058 INFO L226 Difference]: Without dead ends: 924 [2018-11-18 13:48:38,059 INFO L604 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 [2018-11-18 13:48:38,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2018-11-18 13:48:38,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2018-11-18 13:48:38,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-11-18 13:48:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1235 transitions. [2018-11-18 13:48:38,103 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1235 transitions. Word has length 45 [2018-11-18 13:48:38,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:38,103 INFO L480 AbstractCegarLoop]: Abstraction has 924 states and 1235 transitions. [2018-11-18 13:48:38,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1235 transitions. [2018-11-18 13:48:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:48:38,104 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:38,104 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] [2018-11-18 13:48:38,104 INFO L423 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:38,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:38,105 INFO L82 PathProgramCache]: Analyzing trace with hash 468101595, now seen corresponding path program 1 times [2018-11-18 13:48:38,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:38,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:38,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:38,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:38,106 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:38,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:38,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:38,156 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:38,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:38,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:38,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:38,156 INFO L87 Difference]: Start difference. First operand 924 states and 1235 transitions. Second operand 3 states. [2018-11-18 13:48:38,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:38,203 INFO L93 Difference]: Finished difference Result 954 states and 1271 transitions. [2018-11-18 13:48:38,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:38,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-18 13:48:38,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:38,207 INFO L225 Difference]: With dead ends: 954 [2018-11-18 13:48:38,207 INFO L226 Difference]: Without dead ends: 906 [2018-11-18 13:48:38,208 INFO L604 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 [2018-11-18 13:48:38,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-18 13:48:38,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 902. [2018-11-18 13:48:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-11-18 13:48:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1203 transitions. [2018-11-18 13:48:38,252 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1203 transitions. Word has length 46 [2018-11-18 13:48:38,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:38,253 INFO L480 AbstractCegarLoop]: Abstraction has 902 states and 1203 transitions. [2018-11-18 13:48:38,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1203 transitions. [2018-11-18 13:48:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:48:38,254 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:38,254 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] [2018-11-18 13:48:38,254 INFO L423 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:38,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:38,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1363785192, now seen corresponding path program 1 times [2018-11-18 13:48:38,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:38,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:38,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:38,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:38,255 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:38,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:38,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:38,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:38,302 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:38,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:38,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:38,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:38,303 INFO L87 Difference]: Start difference. First operand 902 states and 1203 transitions. Second operand 5 states. [2018-11-18 13:48:38,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:38,356 INFO L93 Difference]: Finished difference Result 918 states and 1218 transitions. [2018-11-18 13:48:38,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:38,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-11-18 13:48:38,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:38,360 INFO L225 Difference]: With dead ends: 918 [2018-11-18 13:48:38,360 INFO L226 Difference]: Without dead ends: 900 [2018-11-18 13:48:38,361 INFO L604 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 [2018-11-18 13:48:38,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-11-18 13:48:38,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2018-11-18 13:48:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-11-18 13:48:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1199 transitions. [2018-11-18 13:48:38,406 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1199 transitions. Word has length 47 [2018-11-18 13:48:38,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:38,406 INFO L480 AbstractCegarLoop]: Abstraction has 900 states and 1199 transitions. [2018-11-18 13:48:38,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1199 transitions. [2018-11-18 13:48:38,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:48:38,407 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:38,407 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] [2018-11-18 13:48:38,408 INFO L423 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:38,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:38,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1242376828, now seen corresponding path program 1 times [2018-11-18 13:48:38,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:38,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:38,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:38,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:38,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:38,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:38,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:48:38,448 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:38,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:48:38,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:48:38,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:48:38,448 INFO L87 Difference]: Start difference. First operand 900 states and 1199 transitions. Second operand 6 states. [2018-11-18 13:48:38,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:38,540 INFO L93 Difference]: Finished difference Result 920 states and 1219 transitions. [2018-11-18 13:48:38,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:48:38,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-18 13:48:38,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:38,544 INFO L225 Difference]: With dead ends: 920 [2018-11-18 13:48:38,544 INFO L226 Difference]: Without dead ends: 900 [2018-11-18 13:48:38,545 INFO L604 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 [2018-11-18 13:48:38,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-11-18 13:48:38,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2018-11-18 13:48:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-11-18 13:48:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1187 transitions. [2018-11-18 13:48:38,605 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1187 transitions. Word has length 50 [2018-11-18 13:48:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:38,605 INFO L480 AbstractCegarLoop]: Abstraction has 900 states and 1187 transitions. [2018-11-18 13:48:38,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:48:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1187 transitions. [2018-11-18 13:48:38,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:48:38,606 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:38,607 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] [2018-11-18 13:48:38,607 INFO L423 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:38,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:38,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1176248160, now seen corresponding path program 1 times [2018-11-18 13:48:38,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:38,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:38,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:38,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:38,608 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:38,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:38,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:38,648 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:38,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:38,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:38,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:38,649 INFO L87 Difference]: Start difference. First operand 900 states and 1187 transitions. Second operand 3 states. [2018-11-18 13:48:38,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:38,770 INFO L93 Difference]: Finished difference Result 1226 states and 1640 transitions. [2018-11-18 13:48:38,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:38,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-18 13:48:38,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:38,776 INFO L225 Difference]: With dead ends: 1226 [2018-11-18 13:48:38,776 INFO L226 Difference]: Without dead ends: 1214 [2018-11-18 13:48:38,777 INFO L604 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 [2018-11-18 13:48:38,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2018-11-18 13:48:38,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1022. [2018-11-18 13:48:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2018-11-18 13:48:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1351 transitions. [2018-11-18 13:48:38,829 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1351 transitions. Word has length 50 [2018-11-18 13:48:38,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:38,829 INFO L480 AbstractCegarLoop]: Abstraction has 1022 states and 1351 transitions. [2018-11-18 13:48:38,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:38,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1351 transitions. [2018-11-18 13:48:38,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:48:38,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:38,831 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] [2018-11-18 13:48:38,831 INFO L423 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:38,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:38,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1482647289, now seen corresponding path program 1 times [2018-11-18 13:48:38,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:38,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:38,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:38,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:38,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:38,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:38,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:38,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:48:38,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:38,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:48:38,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:48:38,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:48:38,865 INFO L87 Difference]: Start difference. First operand 1022 states and 1351 transitions. Second operand 4 states. [2018-11-18 13:48:39,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:39,088 INFO L93 Difference]: Finished difference Result 1115 states and 1442 transitions. [2018-11-18 13:48:39,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:48:39,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-11-18 13:48:39,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:39,091 INFO L225 Difference]: With dead ends: 1115 [2018-11-18 13:48:39,091 INFO L226 Difference]: Without dead ends: 710 [2018-11-18 13:48:39,093 INFO L604 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 [2018-11-18 13:48:39,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-11-18 13:48:39,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 673. [2018-11-18 13:48:39,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-11-18 13:48:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 854 transitions. [2018-11-18 13:48:39,130 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 854 transitions. Word has length 52 [2018-11-18 13:48:39,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:39,131 INFO L480 AbstractCegarLoop]: Abstraction has 673 states and 854 transitions. [2018-11-18 13:48:39,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:48:39,131 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 854 transitions. [2018-11-18 13:48:39,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:48:39,132 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:39,132 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] [2018-11-18 13:48:39,132 INFO L423 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:39,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:39,133 INFO L82 PathProgramCache]: Analyzing trace with hash 851844105, now seen corresponding path program 1 times [2018-11-18 13:48:39,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:39,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:39,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:39,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:39,134 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:39,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:39,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:48:39,191 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:39,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:48:39,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:48:39,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:48:39,192 INFO L87 Difference]: Start difference. First operand 673 states and 854 transitions. Second operand 7 states. [2018-11-18 13:48:39,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:39,303 INFO L93 Difference]: Finished difference Result 723 states and 908 transitions. [2018-11-18 13:48:39,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:48:39,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-18 13:48:39,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:39,307 INFO L225 Difference]: With dead ends: 723 [2018-11-18 13:48:39,307 INFO L226 Difference]: Without dead ends: 674 [2018-11-18 13:48:39,308 INFO L604 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 [2018-11-18 13:48:39,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-11-18 13:48:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 661. [2018-11-18 13:48:39,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2018-11-18 13:48:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 835 transitions. [2018-11-18 13:48:39,345 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 835 transitions. Word has length 51 [2018-11-18 13:48:39,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:39,345 INFO L480 AbstractCegarLoop]: Abstraction has 661 states and 835 transitions. [2018-11-18 13:48:39,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:48:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2018-11-18 13:48:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:48:39,349 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:39,349 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] [2018-11-18 13:48:39,349 INFO L423 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:39,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:39,350 INFO L82 PathProgramCache]: Analyzing trace with hash -224588004, now seen corresponding path program 1 times [2018-11-18 13:48:39,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:39,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:39,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:39,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:39,353 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:39,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:39,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:48:39,425 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:39,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:48:39,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:48:39,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:48:39,426 INFO L87 Difference]: Start difference. First operand 661 states and 835 transitions. Second operand 6 states. [2018-11-18 13:48:39,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:39,499 INFO L93 Difference]: Finished difference Result 688 states and 866 transitions. [2018-11-18 13:48:39,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:48:39,500 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-11-18 13:48:39,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:39,502 INFO L225 Difference]: With dead ends: 688 [2018-11-18 13:48:39,502 INFO L226 Difference]: Without dead ends: 663 [2018-11-18 13:48:39,503 INFO L604 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 [2018-11-18 13:48:39,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2018-11-18 13:48:39,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2018-11-18 13:48:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2018-11-18 13:48:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 837 transitions. [2018-11-18 13:48:39,538 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 837 transitions. Word has length 51 [2018-11-18 13:48:39,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:39,538 INFO L480 AbstractCegarLoop]: Abstraction has 663 states and 837 transitions. [2018-11-18 13:48:39,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:48:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 837 transitions. [2018-11-18 13:48:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:48:39,540 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:39,540 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] [2018-11-18 13:48:39,540 INFO L423 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:39,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:39,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1738134622, now seen corresponding path program 1 times [2018-11-18 13:48:39,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:39,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:39,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:39,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:39,541 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:39,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:39,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 13:48:39,593 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:39,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:48:39,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:48:39,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:48:39,594 INFO L87 Difference]: Start difference. First operand 663 states and 837 transitions. Second operand 8 states. [2018-11-18 13:48:39,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:39,740 INFO L93 Difference]: Finished difference Result 693 states and 871 transitions. [2018-11-18 13:48:39,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:48:39,741 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-18 13:48:39,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:39,743 INFO L225 Difference]: With dead ends: 693 [2018-11-18 13:48:39,743 INFO L226 Difference]: Without dead ends: 689 [2018-11-18 13:48:39,744 INFO L604 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 [2018-11-18 13:48:39,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-11-18 13:48:39,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 681. [2018-11-18 13:48:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2018-11-18 13:48:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 858 transitions. [2018-11-18 13:48:39,785 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 858 transitions. Word has length 51 [2018-11-18 13:48:39,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:39,785 INFO L480 AbstractCegarLoop]: Abstraction has 681 states and 858 transitions. [2018-11-18 13:48:39,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:48:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 858 transitions. [2018-11-18 13:48:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:48:39,787 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:39,787 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] [2018-11-18 13:48:39,787 INFO L423 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:39,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:39,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1738411452, now seen corresponding path program 1 times [2018-11-18 13:48:39,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:39,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:39,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:39,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:39,789 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:39,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:39,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:39,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 13:48:39,908 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:39,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:48:39,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:48:39,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:48:39,909 INFO L87 Difference]: Start difference. First operand 681 states and 858 transitions. Second operand 8 states. [2018-11-18 13:48:40,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:40,026 INFO L93 Difference]: Finished difference Result 1083 states and 1391 transitions. [2018-11-18 13:48:40,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:48:40,027 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-18 13:48:40,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:40,029 INFO L225 Difference]: With dead ends: 1083 [2018-11-18 13:48:40,029 INFO L226 Difference]: Without dead ends: 724 [2018-11-18 13:48:40,032 INFO L604 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 [2018-11-18 13:48:40,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2018-11-18 13:48:40,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 707. [2018-11-18 13:48:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2018-11-18 13:48:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 902 transitions. [2018-11-18 13:48:40,068 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 902 transitions. Word has length 51 [2018-11-18 13:48:40,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:40,068 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 902 transitions. [2018-11-18 13:48:40,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:48:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 902 transitions. [2018-11-18 13:48:40,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:48:40,070 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:40,070 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] [2018-11-18 13:48:40,070 INFO L423 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:40,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:40,070 INFO L82 PathProgramCache]: Analyzing trace with hash 103650684, now seen corresponding path program 1 times [2018-11-18 13:48:40,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:40,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:40,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:40,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:40,071 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:40,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:40,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:48:40,157 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:40,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:48:40,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:48:40,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:48:40,158 INFO L87 Difference]: Start difference. First operand 707 states and 902 transitions. Second operand 9 states. [2018-11-18 13:48:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:41,143 INFO L93 Difference]: Finished difference Result 1082 states and 1372 transitions. [2018-11-18 13:48:41,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:48:41,143 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-11-18 13:48:41,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:41,146 INFO L225 Difference]: With dead ends: 1082 [2018-11-18 13:48:41,146 INFO L226 Difference]: Without dead ends: 994 [2018-11-18 13:48:41,147 INFO L604 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 [2018-11-18 13:48:41,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-11-18 13:48:41,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 786. [2018-11-18 13:48:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2018-11-18 13:48:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1008 transitions. [2018-11-18 13:48:41,212 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1008 transitions. Word has length 52 [2018-11-18 13:48:41,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:41,212 INFO L480 AbstractCegarLoop]: Abstraction has 786 states and 1008 transitions. [2018-11-18 13:48:41,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:48:41,212 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1008 transitions. [2018-11-18 13:48:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:48:41,213 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:41,213 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] [2018-11-18 13:48:41,213 INFO L423 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:41,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:41,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1102866587, now seen corresponding path program 1 times [2018-11-18 13:48:41,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:41,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:41,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:41,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:41,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:41,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:41,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:41,244 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:41,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:41,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:41,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:41,244 INFO L87 Difference]: Start difference. First operand 786 states and 1008 transitions. Second operand 3 states. [2018-11-18 13:48:41,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:41,335 INFO L93 Difference]: Finished difference Result 1034 states and 1340 transitions. [2018-11-18 13:48:41,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:41,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-18 13:48:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:41,338 INFO L225 Difference]: With dead ends: 1034 [2018-11-18 13:48:41,338 INFO L226 Difference]: Without dead ends: 1004 [2018-11-18 13:48:41,339 INFO L604 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 [2018-11-18 13:48:41,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2018-11-18 13:48:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 852. [2018-11-18 13:48:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2018-11-18 13:48:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1079 transitions. [2018-11-18 13:48:41,371 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1079 transitions. Word has length 52 [2018-11-18 13:48:41,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:41,371 INFO L480 AbstractCegarLoop]: Abstraction has 852 states and 1079 transitions. [2018-11-18 13:48:41,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1079 transitions. [2018-11-18 13:48:41,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:48:41,372 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:41,372 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] [2018-11-18 13:48:41,373 INFO L423 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:41,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:41,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1246145945, now seen corresponding path program 1 times [2018-11-18 13:48:41,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:41,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:41,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:41,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:41,374 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:41,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:41,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:48:41,418 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:41,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:48:41,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:48:41,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:48:41,419 INFO L87 Difference]: Start difference. First operand 852 states and 1079 transitions. Second operand 7 states. [2018-11-18 13:48:41,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:41,851 INFO L93 Difference]: Finished difference Result 901 states and 1137 transitions. [2018-11-18 13:48:41,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 13:48:41,851 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 13:48:41,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:41,853 INFO L225 Difference]: With dead ends: 901 [2018-11-18 13:48:41,853 INFO L226 Difference]: Without dead ends: 787 [2018-11-18 13:48:41,854 INFO L604 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 [2018-11-18 13:48:41,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2018-11-18 13:48:41,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 743. [2018-11-18 13:48:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2018-11-18 13:48:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 932 transitions. [2018-11-18 13:48:41,902 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 932 transitions. Word has length 52 [2018-11-18 13:48:41,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:41,902 INFO L480 AbstractCegarLoop]: Abstraction has 743 states and 932 transitions. [2018-11-18 13:48:41,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:48:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 932 transitions. [2018-11-18 13:48:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:48:41,903 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:41,904 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] [2018-11-18 13:48:41,904 INFO L423 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:41,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:41,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1318662167, now seen corresponding path program 1 times [2018-11-18 13:48:41,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:41,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:41,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:41,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:41,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:41,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:41,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:41,958 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:41,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:41,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:41,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:41,959 INFO L87 Difference]: Start difference. First operand 743 states and 932 transitions. Second operand 5 states. [2018-11-18 13:48:42,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:42,297 INFO L93 Difference]: Finished difference Result 894 states and 1144 transitions. [2018-11-18 13:48:42,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:42,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-11-18 13:48:42,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:42,300 INFO L225 Difference]: With dead ends: 894 [2018-11-18 13:48:42,300 INFO L226 Difference]: Without dead ends: 876 [2018-11-18 13:48:42,301 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:48:42,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2018-11-18 13:48:42,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 726. [2018-11-18 13:48:42,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-11-18 13:48:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 905 transitions. [2018-11-18 13:48:42,335 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 905 transitions. Word has length 54 [2018-11-18 13:48:42,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:42,335 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 905 transitions. [2018-11-18 13:48:42,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:42,336 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 905 transitions. [2018-11-18 13:48:42,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:48:42,337 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:42,337 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] [2018-11-18 13:48:42,337 INFO L423 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:42,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:42,338 INFO L82 PathProgramCache]: Analyzing trace with hash -339832643, now seen corresponding path program 1 times [2018-11-18 13:48:42,338 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:42,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:42,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:42,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:42,339 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:42,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:42,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:48:42,383 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:42,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:48:42,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:48:42,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:48:42,383 INFO L87 Difference]: Start difference. First operand 726 states and 905 transitions. Second operand 4 states. [2018-11-18 13:48:42,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:42,660 INFO L93 Difference]: Finished difference Result 1663 states and 2050 transitions. [2018-11-18 13:48:42,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:48:42,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2018-11-18 13:48:42,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:42,664 INFO L225 Difference]: With dead ends: 1663 [2018-11-18 13:48:42,664 INFO L226 Difference]: Without dead ends: 1385 [2018-11-18 13:48:42,665 INFO L604 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 [2018-11-18 13:48:42,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2018-11-18 13:48:42,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1272. [2018-11-18 13:48:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2018-11-18 13:48:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1602 transitions. [2018-11-18 13:48:42,724 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1602 transitions. Word has length 55 [2018-11-18 13:48:42,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:42,724 INFO L480 AbstractCegarLoop]: Abstraction has 1272 states and 1602 transitions. [2018-11-18 13:48:42,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:48:42,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1602 transitions. [2018-11-18 13:48:42,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:48:42,726 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:42,726 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] [2018-11-18 13:48:42,726 INFO L423 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:42,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:42,727 INFO L82 PathProgramCache]: Analyzing trace with hash 82869183, now seen corresponding path program 1 times [2018-11-18 13:48:42,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:42,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:42,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:42,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:42,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:42,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:42,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 13:48:42,780 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:42,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:48:42,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:48:42,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:48:42,781 INFO L87 Difference]: Start difference. First operand 1272 states and 1602 transitions. Second operand 8 states. [2018-11-18 13:48:42,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:42,860 INFO L93 Difference]: Finished difference Result 1285 states and 1614 transitions. [2018-11-18 13:48:42,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:48:42,861 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-11-18 13:48:42,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:42,864 INFO L225 Difference]: With dead ends: 1285 [2018-11-18 13:48:42,864 INFO L226 Difference]: Without dead ends: 1253 [2018-11-18 13:48:42,865 INFO L604 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 [2018-11-18 13:48:42,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2018-11-18 13:48:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2018-11-18 13:48:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1253 states. [2018-11-18 13:48:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1578 transitions. [2018-11-18 13:48:42,926 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1578 transitions. Word has length 55 [2018-11-18 13:48:42,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:42,926 INFO L480 AbstractCegarLoop]: Abstraction has 1253 states and 1578 transitions. [2018-11-18 13:48:42,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:48:42,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1578 transitions. [2018-11-18 13:48:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:48:42,928 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:42,928 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] [2018-11-18 13:48:42,928 INFO L423 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:42,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:42,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1092298753, now seen corresponding path program 1 times [2018-11-18 13:48:42,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:42,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:42,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:42,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:42,929 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:42,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:42,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:42,963 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:42,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:42,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:42,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:42,964 INFO L87 Difference]: Start difference. First operand 1253 states and 1578 transitions. Second operand 3 states. [2018-11-18 13:48:43,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:43,060 INFO L93 Difference]: Finished difference Result 1852 states and 2359 transitions. [2018-11-18 13:48:43,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:43,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-18 13:48:43,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:43,065 INFO L225 Difference]: With dead ends: 1852 [2018-11-18 13:48:43,065 INFO L226 Difference]: Without dead ends: 1251 [2018-11-18 13:48:43,067 INFO L604 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 [2018-11-18 13:48:43,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2018-11-18 13:48:43,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2018-11-18 13:48:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1251 states. [2018-11-18 13:48:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1570 transitions. [2018-11-18 13:48:43,126 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1570 transitions. Word has length 58 [2018-11-18 13:48:43,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:43,126 INFO L480 AbstractCegarLoop]: Abstraction has 1251 states and 1570 transitions. [2018-11-18 13:48:43,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1570 transitions. [2018-11-18 13:48:43,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:48:43,128 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:43,128 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] [2018-11-18 13:48:43,128 INFO L423 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:43,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:43,128 INFO L82 PathProgramCache]: Analyzing trace with hash -600585739, now seen corresponding path program 1 times [2018-11-18 13:48:43,128 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:43,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:43,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:43,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:43,129 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:43,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:43,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:43,213 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:43,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:43,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:43,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:43,214 INFO L87 Difference]: Start difference. First operand 1251 states and 1570 transitions. Second operand 5 states. [2018-11-18 13:48:43,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:43,280 INFO L93 Difference]: Finished difference Result 1753 states and 2224 transitions. [2018-11-18 13:48:43,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:43,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-18 13:48:43,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:43,285 INFO L225 Difference]: With dead ends: 1753 [2018-11-18 13:48:43,285 INFO L226 Difference]: Without dead ends: 1154 [2018-11-18 13:48:43,288 INFO L604 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 [2018-11-18 13:48:43,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2018-11-18 13:48:43,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1154. [2018-11-18 13:48:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2018-11-18 13:48:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1435 transitions. [2018-11-18 13:48:43,347 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1435 transitions. Word has length 64 [2018-11-18 13:48:43,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:43,347 INFO L480 AbstractCegarLoop]: Abstraction has 1154 states and 1435 transitions. [2018-11-18 13:48:43,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1435 transitions. [2018-11-18 13:48:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:48:43,349 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:43,349 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] [2018-11-18 13:48:43,350 INFO L423 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:43,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:43,350 INFO L82 PathProgramCache]: Analyzing trace with hash 326125228, now seen corresponding path program 1 times [2018-11-18 13:48:43,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:43,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:43,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:43,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:43,351 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:43,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:43,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 13:48:43,411 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:43,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:48:43,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:48:43,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:48:43,412 INFO L87 Difference]: Start difference. First operand 1154 states and 1435 transitions. Second operand 8 states. [2018-11-18 13:48:43,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:43,571 INFO L93 Difference]: Finished difference Result 1168 states and 1448 transitions. [2018-11-18 13:48:43,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:48:43,572 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-11-18 13:48:43,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:43,575 INFO L225 Difference]: With dead ends: 1168 [2018-11-18 13:48:43,575 INFO L226 Difference]: Without dead ends: 1147 [2018-11-18 13:48:43,576 INFO L604 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 [2018-11-18 13:48:43,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2018-11-18 13:48:43,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1147. [2018-11-18 13:48:43,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2018-11-18 13:48:43,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1424 transitions. [2018-11-18 13:48:43,630 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1424 transitions. Word has length 58 [2018-11-18 13:48:43,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:43,630 INFO L480 AbstractCegarLoop]: Abstraction has 1147 states and 1424 transitions. [2018-11-18 13:48:43,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:48:43,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1424 transitions. [2018-11-18 13:48:43,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:48:43,632 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:43,632 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] [2018-11-18 13:48:43,633 INFO L423 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:43,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:43,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1307970389, now seen corresponding path program 1 times [2018-11-18 13:48:43,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:43,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:43,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:43,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:43,634 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:43,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:43,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:43,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:48:43,682 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:43,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:48:43,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:48:43,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:48:43,682 INFO L87 Difference]: Start difference. First operand 1147 states and 1424 transitions. Second operand 6 states. [2018-11-18 13:48:43,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:43,768 INFO L93 Difference]: Finished difference Result 1180 states and 1457 transitions. [2018-11-18 13:48:43,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:48:43,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-18 13:48:43,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:43,771 INFO L225 Difference]: With dead ends: 1180 [2018-11-18 13:48:43,771 INFO L226 Difference]: Without dead ends: 1149 [2018-11-18 13:48:43,772 INFO L604 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 [2018-11-18 13:48:43,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2018-11-18 13:48:43,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1137. [2018-11-18 13:48:43,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1137 states. [2018-11-18 13:48:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1412 transitions. [2018-11-18 13:48:43,825 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1412 transitions. Word has length 60 [2018-11-18 13:48:43,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:43,826 INFO L480 AbstractCegarLoop]: Abstraction has 1137 states and 1412 transitions. [2018-11-18 13:48:43,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:48:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1412 transitions. [2018-11-18 13:48:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:48:43,828 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:43,828 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] [2018-11-18 13:48:43,828 INFO L423 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:43,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:43,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1968151172, now seen corresponding path program 1 times [2018-11-18 13:48:43,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:43,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:43,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:43,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:43,829 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:43,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:43,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:43,877 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:43,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:43,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:43,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:43,878 INFO L87 Difference]: Start difference. First operand 1137 states and 1412 transitions. Second operand 5 states. [2018-11-18 13:48:44,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:44,105 INFO L93 Difference]: Finished difference Result 1639 states and 2054 transitions. [2018-11-18 13:48:44,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:44,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-11-18 13:48:44,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:44,109 INFO L225 Difference]: With dead ends: 1639 [2018-11-18 13:48:44,109 INFO L226 Difference]: Without dead ends: 1137 [2018-11-18 13:48:44,110 INFO L604 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 [2018-11-18 13:48:44,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2018-11-18 13:48:44,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137. [2018-11-18 13:48:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1137 states. [2018-11-18 13:48:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1408 transitions. [2018-11-18 13:48:44,163 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1408 transitions. Word has length 68 [2018-11-18 13:48:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:44,164 INFO L480 AbstractCegarLoop]: Abstraction has 1137 states and 1408 transitions. [2018-11-18 13:48:44,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1408 transitions. [2018-11-18 13:48:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:48:44,165 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:44,166 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] [2018-11-18 13:48:44,166 INFO L423 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:44,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:44,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1814120608, now seen corresponding path program 1 times [2018-11-18 13:48:44,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:44,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:44,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:44,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:44,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:44,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:44,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:44,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:44,211 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:44,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:44,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:44,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:44,211 INFO L87 Difference]: Start difference. First operand 1137 states and 1408 transitions. Second operand 5 states. [2018-11-18 13:48:44,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:44,268 INFO L93 Difference]: Finished difference Result 1329 states and 1636 transitions. [2018-11-18 13:48:44,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:44,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-11-18 13:48:44,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:44,272 INFO L225 Difference]: With dead ends: 1329 [2018-11-18 13:48:44,272 INFO L226 Difference]: Without dead ends: 1149 [2018-11-18 13:48:44,273 INFO L604 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 [2018-11-18 13:48:44,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2018-11-18 13:48:44,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1145. [2018-11-18 13:48:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1145 states. [2018-11-18 13:48:44,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1416 transitions. [2018-11-18 13:48:44,324 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1416 transitions. Word has length 63 [2018-11-18 13:48:44,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:44,325 INFO L480 AbstractCegarLoop]: Abstraction has 1145 states and 1416 transitions. [2018-11-18 13:48:44,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:44,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1416 transitions. [2018-11-18 13:48:44,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:48:44,327 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:44,327 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] [2018-11-18 13:48:44,327 INFO L423 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:44,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:44,327 INFO L82 PathProgramCache]: Analyzing trace with hash -201049121, now seen corresponding path program 1 times [2018-11-18 13:48:44,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:44,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:44,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:44,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:44,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:44,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:44,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:44,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:48:44,389 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:44,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:48:44,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:48:44,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:48:44,389 INFO L87 Difference]: Start difference. First operand 1145 states and 1416 transitions. Second operand 9 states. [2018-11-18 13:48:44,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:44,490 INFO L93 Difference]: Finished difference Result 1561 states and 1904 transitions. [2018-11-18 13:48:44,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:48:44,491 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-11-18 13:48:44,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:44,494 INFO L225 Difference]: With dead ends: 1561 [2018-11-18 13:48:44,494 INFO L226 Difference]: Without dead ends: 1149 [2018-11-18 13:48:44,496 INFO L604 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 [2018-11-18 13:48:44,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2018-11-18 13:48:44,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1147. [2018-11-18 13:48:44,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2018-11-18 13:48:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1416 transitions. [2018-11-18 13:48:44,586 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1416 transitions. Word has length 63 [2018-11-18 13:48:44,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:44,586 INFO L480 AbstractCegarLoop]: Abstraction has 1147 states and 1416 transitions. [2018-11-18 13:48:44,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:48:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1416 transitions. [2018-11-18 13:48:44,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:48:44,588 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:44,588 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] [2018-11-18 13:48:44,589 INFO L423 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:44,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:44,589 INFO L82 PathProgramCache]: Analyzing trace with hash -198857675, now seen corresponding path program 1 times [2018-11-18 13:48:44,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:44,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:44,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:44,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:44,590 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:44,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:44,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:48:44,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:44,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:48:44,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:48:44,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:48:44,743 INFO L87 Difference]: Start difference. First operand 1147 states and 1416 transitions. Second operand 6 states. [2018-11-18 13:48:44,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:44,841 INFO L93 Difference]: Finished difference Result 1169 states and 1435 transitions. [2018-11-18 13:48:44,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:48:44,841 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 13:48:44,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:44,844 INFO L225 Difference]: With dead ends: 1169 [2018-11-18 13:48:44,844 INFO L226 Difference]: Without dead ends: 1135 [2018-11-18 13:48:44,845 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:48:44,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2018-11-18 13:48:44,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1135. [2018-11-18 13:48:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-11-18 13:48:44,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1400 transitions. [2018-11-18 13:48:44,929 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1400 transitions. Word has length 63 [2018-11-18 13:48:44,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:44,929 INFO L480 AbstractCegarLoop]: Abstraction has 1135 states and 1400 transitions. [2018-11-18 13:48:44,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:48:44,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1400 transitions. [2018-11-18 13:48:44,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:48:44,931 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:44,931 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] [2018-11-18 13:48:44,932 INFO L423 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:44,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:44,932 INFO L82 PathProgramCache]: Analyzing trace with hash -37953777, now seen corresponding path program 1 times [2018-11-18 13:48:44,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:44,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:44,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:44,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:44,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:44,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:44,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:48:44,962 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:44,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:48:44,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:48:44,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:48:44,963 INFO L87 Difference]: Start difference. First operand 1135 states and 1400 transitions. Second operand 3 states. [2018-11-18 13:48:45,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:45,060 INFO L93 Difference]: Finished difference Result 1689 states and 2115 transitions. [2018-11-18 13:48:45,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:48:45,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-11-18 13:48:45,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:45,064 INFO L225 Difference]: With dead ends: 1689 [2018-11-18 13:48:45,064 INFO L226 Difference]: Without dead ends: 1187 [2018-11-18 13:48:45,065 INFO L604 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 [2018-11-18 13:48:45,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2018-11-18 13:48:45,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1135. [2018-11-18 13:48:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-11-18 13:48:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1400 transitions. [2018-11-18 13:48:45,153 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1400 transitions. Word has length 71 [2018-11-18 13:48:45,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:45,153 INFO L480 AbstractCegarLoop]: Abstraction has 1135 states and 1400 transitions. [2018-11-18 13:48:45,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:48:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1400 transitions. [2018-11-18 13:48:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:48:45,155 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:45,155 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:48:45,156 INFO L423 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:45,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:45,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1956081487, now seen corresponding path program 1 times [2018-11-18 13:48:45,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:45,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:45,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:45,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:45,157 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:45,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:45,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:48:45,272 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:45,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:48:45,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:48:45,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:48:45,273 INFO L87 Difference]: Start difference. First operand 1135 states and 1400 transitions. Second operand 6 states. [2018-11-18 13:48:45,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:45,408 INFO L93 Difference]: Finished difference Result 1623 states and 2020 transitions. [2018-11-18 13:48:45,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:48:45,410 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-11-18 13:48:45,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:45,413 INFO L225 Difference]: With dead ends: 1623 [2018-11-18 13:48:45,413 INFO L226 Difference]: Without dead ends: 1186 [2018-11-18 13:48:45,416 INFO L604 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 [2018-11-18 13:48:45,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2018-11-18 13:48:45,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1135. [2018-11-18 13:48:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-11-18 13:48:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1396 transitions. [2018-11-18 13:48:45,501 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1396 transitions. Word has length 71 [2018-11-18 13:48:45,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:45,502 INFO L480 AbstractCegarLoop]: Abstraction has 1135 states and 1396 transitions. [2018-11-18 13:48:45,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:48:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1396 transitions. [2018-11-18 13:48:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:48:45,504 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:45,504 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] [2018-11-18 13:48:45,504 INFO L423 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:45,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:45,504 INFO L82 PathProgramCache]: Analyzing trace with hash -853378480, now seen corresponding path program 1 times [2018-11-18 13:48:45,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:45,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:45,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:45,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:45,505 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:45,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:45,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:48:45,580 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:45,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:48:45,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:48:45,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:48:45,581 INFO L87 Difference]: Start difference. First operand 1135 states and 1396 transitions. Second operand 9 states. [2018-11-18 13:48:45,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:45,826 INFO L93 Difference]: Finished difference Result 1154 states and 1415 transitions. [2018-11-18 13:48:45,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:48:45,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-11-18 13:48:45,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:45,830 INFO L225 Difference]: With dead ends: 1154 [2018-11-18 13:48:45,830 INFO L226 Difference]: Without dead ends: 1127 [2018-11-18 13:48:45,831 INFO L604 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 [2018-11-18 13:48:45,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2018-11-18 13:48:45,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2018-11-18 13:48:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2018-11-18 13:48:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1384 transitions. [2018-11-18 13:48:45,916 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1384 transitions. Word has length 63 [2018-11-18 13:48:45,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:45,916 INFO L480 AbstractCegarLoop]: Abstraction has 1127 states and 1384 transitions. [2018-11-18 13:48:45,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:48:45,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1384 transitions. [2018-11-18 13:48:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:48:45,918 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:45,918 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] [2018-11-18 13:48:45,918 INFO L423 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:45,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:45,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1333032600, now seen corresponding path program 1 times [2018-11-18 13:48:45,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:45,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:45,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:45,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:45,920 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:45,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:45,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:45,986 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:45,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:45,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:45,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:45,987 INFO L87 Difference]: Start difference. First operand 1127 states and 1384 transitions. Second operand 5 states. [2018-11-18 13:48:46,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:46,073 INFO L93 Difference]: Finished difference Result 1139 states and 1396 transitions. [2018-11-18 13:48:46,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:46,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-18 13:48:46,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:46,076 INFO L225 Difference]: With dead ends: 1139 [2018-11-18 13:48:46,076 INFO L226 Difference]: Without dead ends: 1107 [2018-11-18 13:48:46,077 INFO L604 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 [2018-11-18 13:48:46,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2018-11-18 13:48:46,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1100. [2018-11-18 13:48:46,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2018-11-18 13:48:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1354 transitions. [2018-11-18 13:48:46,178 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1354 transitions. Word has length 64 [2018-11-18 13:48:46,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:46,178 INFO L480 AbstractCegarLoop]: Abstraction has 1100 states and 1354 transitions. [2018-11-18 13:48:46,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1354 transitions. [2018-11-18 13:48:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:48:46,182 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:46,182 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] [2018-11-18 13:48:46,182 INFO L423 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:46,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:46,182 INFO L82 PathProgramCache]: Analyzing trace with hash -574063885, now seen corresponding path program 1 times [2018-11-18 13:48:46,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:46,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:46,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:46,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:46,183 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:46,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:46,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 13:48:46,262 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:46,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:48:46,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:48:46,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:48:46,262 INFO L87 Difference]: Start difference. First operand 1100 states and 1354 transitions. Second operand 8 states. [2018-11-18 13:48:46,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:46,554 INFO L93 Difference]: Finished difference Result 1111 states and 1364 transitions. [2018-11-18 13:48:46,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:48:46,554 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-11-18 13:48:46,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:46,557 INFO L225 Difference]: With dead ends: 1111 [2018-11-18 13:48:46,557 INFO L226 Difference]: Without dead ends: 1089 [2018-11-18 13:48:46,558 INFO L604 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 [2018-11-18 13:48:46,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2018-11-18 13:48:46,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2018-11-18 13:48:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2018-11-18 13:48:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1339 transitions. [2018-11-18 13:48:46,637 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1339 transitions. Word has length 64 [2018-11-18 13:48:46,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:46,637 INFO L480 AbstractCegarLoop]: Abstraction has 1089 states and 1339 transitions. [2018-11-18 13:48:46,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:48:46,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1339 transitions. [2018-11-18 13:48:46,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:48:46,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:46,639 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] [2018-11-18 13:48:46,639 INFO L423 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:46,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:46,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1121278630, now seen corresponding path program 1 times [2018-11-18 13:48:46,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:46,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:46,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:46,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:46,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:46,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:46,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:48:46,696 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:46,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:48:46,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:48:46,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:48:46,697 INFO L87 Difference]: Start difference. First operand 1089 states and 1339 transitions. Second operand 9 states. [2018-11-18 13:48:46,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:46,984 INFO L93 Difference]: Finished difference Result 1108 states and 1358 transitions. [2018-11-18 13:48:46,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:48:46,985 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-11-18 13:48:46,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:46,987 INFO L225 Difference]: With dead ends: 1108 [2018-11-18 13:48:46,987 INFO L226 Difference]: Without dead ends: 1079 [2018-11-18 13:48:46,988 INFO L604 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 [2018-11-18 13:48:46,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2018-11-18 13:48:47,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1079. [2018-11-18 13:48:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1079 states. [2018-11-18 13:48:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1325 transitions. [2018-11-18 13:48:47,069 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1325 transitions. Word has length 64 [2018-11-18 13:48:47,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:47,069 INFO L480 AbstractCegarLoop]: Abstraction has 1079 states and 1325 transitions. [2018-11-18 13:48:47,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:48:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1325 transitions. [2018-11-18 13:48:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:48:47,071 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:47,071 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] [2018-11-18 13:48:47,071 INFO L423 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:47,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:47,071 INFO L82 PathProgramCache]: Analyzing trace with hash 191167160, now seen corresponding path program 1 times [2018-11-18 13:48:47,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:47,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:47,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:47,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:47,072 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:47,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:47,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:48:47,148 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:47,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:48:47,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:48:47,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:48:47,148 INFO L87 Difference]: Start difference. First operand 1079 states and 1325 transitions. Second operand 9 states. [2018-11-18 13:48:47,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:47,312 INFO L93 Difference]: Finished difference Result 1098 states and 1344 transitions. [2018-11-18 13:48:47,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:48:47,313 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-11-18 13:48:47,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:47,315 INFO L225 Difference]: With dead ends: 1098 [2018-11-18 13:48:47,315 INFO L226 Difference]: Without dead ends: 1071 [2018-11-18 13:48:47,316 INFO L604 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 [2018-11-18 13:48:47,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2018-11-18 13:48:47,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1071. [2018-11-18 13:48:47,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2018-11-18 13:48:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1313 transitions. [2018-11-18 13:48:47,400 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1313 transitions. Word has length 64 [2018-11-18 13:48:47,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:47,400 INFO L480 AbstractCegarLoop]: Abstraction has 1071 states and 1313 transitions. [2018-11-18 13:48:47,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:48:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1313 transitions. [2018-11-18 13:48:47,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:48:47,401 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:47,402 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] [2018-11-18 13:48:47,402 INFO L423 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:47,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:47,402 INFO L82 PathProgramCache]: Analyzing trace with hash -749830553, now seen corresponding path program 1 times [2018-11-18 13:48:47,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:47,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:47,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:47,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:47,403 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:47,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:47,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:47,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:47,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:47,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:47,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:47,547 INFO L87 Difference]: Start difference. First operand 1071 states and 1313 transitions. Second operand 5 states. [2018-11-18 13:48:48,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:48,058 INFO L93 Difference]: Finished difference Result 1767 states and 2189 transitions. [2018-11-18 13:48:48,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:48:48,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-18 13:48:48,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:48,063 INFO L225 Difference]: With dead ends: 1767 [2018-11-18 13:48:48,063 INFO L226 Difference]: Without dead ends: 1277 [2018-11-18 13:48:48,065 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:48:48,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2018-11-18 13:48:48,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1222. [2018-11-18 13:48:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2018-11-18 13:48:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1504 transitions. [2018-11-18 13:48:48,187 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1504 transitions. Word has length 70 [2018-11-18 13:48:48,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:48,187 INFO L480 AbstractCegarLoop]: Abstraction has 1222 states and 1504 transitions. [2018-11-18 13:48:48,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1504 transitions. [2018-11-18 13:48:48,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:48:48,189 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:48,189 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] [2018-11-18 13:48:48,190 INFO L423 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:48,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:48,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1693389607, now seen corresponding path program 1 times [2018-11-18 13:48:48,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:48,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:48,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:48,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:48,191 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:48,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:48,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:48:48,307 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:48,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:48:48,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:48:48,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:48:48,308 INFO L87 Difference]: Start difference. First operand 1222 states and 1504 transitions. Second operand 9 states. [2018-11-18 13:48:48,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:48,450 INFO L93 Difference]: Finished difference Result 1241 states and 1523 transitions. [2018-11-18 13:48:48,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:48:48,450 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-11-18 13:48:48,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:48,452 INFO L225 Difference]: With dead ends: 1241 [2018-11-18 13:48:48,452 INFO L226 Difference]: Without dead ends: 1170 [2018-11-18 13:48:48,453 INFO L604 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 [2018-11-18 13:48:48,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2018-11-18 13:48:48,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2018-11-18 13:48:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1170 states. [2018-11-18 13:48:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1440 transitions. [2018-11-18 13:48:48,509 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1440 transitions. Word has length 68 [2018-11-18 13:48:48,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:48,509 INFO L480 AbstractCegarLoop]: Abstraction has 1170 states and 1440 transitions. [2018-11-18 13:48:48,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:48:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1440 transitions. [2018-11-18 13:48:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:48:48,511 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:48,511 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] [2018-11-18 13:48:48,511 INFO L423 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:48,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:48,512 INFO L82 PathProgramCache]: Analyzing trace with hash -94423442, now seen corresponding path program 1 times [2018-11-18 13:48:48,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:48,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:48,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:48,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:48,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:48,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:48,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:48,560 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:48,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:48,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:48,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:48,560 INFO L87 Difference]: Start difference. First operand 1170 states and 1440 transitions. Second operand 5 states. [2018-11-18 13:48:48,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:48,623 INFO L93 Difference]: Finished difference Result 1366 states and 1672 transitions. [2018-11-18 13:48:48,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:48:48,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-11-18 13:48:48,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:48,626 INFO L225 Difference]: With dead ends: 1366 [2018-11-18 13:48:48,626 INFO L226 Difference]: Without dead ends: 1190 [2018-11-18 13:48:48,627 INFO L604 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 [2018-11-18 13:48:48,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2018-11-18 13:48:48,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1186. [2018-11-18 13:48:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2018-11-18 13:48:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1458 transitions. [2018-11-18 13:48:48,683 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1458 transitions. Word has length 76 [2018-11-18 13:48:48,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:48,683 INFO L480 AbstractCegarLoop]: Abstraction has 1186 states and 1458 transitions. [2018-11-18 13:48:48,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1458 transitions. [2018-11-18 13:48:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:48:48,685 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:48,685 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] [2018-11-18 13:48:48,685 INFO L423 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:48,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:48,685 INFO L82 PathProgramCache]: Analyzing trace with hash 618492559, now seen corresponding path program 1 times [2018-11-18 13:48:48,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:48,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:48,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:48,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:48,686 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:48,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:48,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:48,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:48:48,780 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:48,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:48:48,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:48:48,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:48:48,780 INFO L87 Difference]: Start difference. First operand 1186 states and 1458 transitions. Second operand 9 states. [2018-11-18 13:48:48,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:48,869 INFO L93 Difference]: Finished difference Result 1358 states and 1655 transitions. [2018-11-18 13:48:48,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:48:48,869 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-11-18 13:48:48,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:48,871 INFO L225 Difference]: With dead ends: 1358 [2018-11-18 13:48:48,871 INFO L226 Difference]: Without dead ends: 1142 [2018-11-18 13:48:48,872 INFO L604 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 [2018-11-18 13:48:48,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2018-11-18 13:48:48,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1142. [2018-11-18 13:48:48,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1142 states. [2018-11-18 13:48:48,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1396 transitions. [2018-11-18 13:48:48,926 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1396 transitions. Word has length 76 [2018-11-18 13:48:48,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:48,926 INFO L480 AbstractCegarLoop]: Abstraction has 1142 states and 1396 transitions. [2018-11-18 13:48:48,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:48:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1396 transitions. [2018-11-18 13:48:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 13:48:48,927 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:48,928 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] [2018-11-18 13:48:48,928 INFO L423 AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:48,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:48,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1328619769, now seen corresponding path program 1 times [2018-11-18 13:48:48,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:48,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:48,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:48,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:48,929 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:48,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:48,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:48:48,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:49,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:48:49,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:48:49,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:48:49,000 INFO L87 Difference]: Start difference. First operand 1142 states and 1396 transitions. Second operand 7 states. [2018-11-18 13:48:49,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:49,594 INFO L93 Difference]: Finished difference Result 1735 states and 2138 transitions. [2018-11-18 13:48:49,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 13:48:49,594 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-18 13:48:49,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:49,596 INFO L225 Difference]: With dead ends: 1735 [2018-11-18 13:48:49,596 INFO L226 Difference]: Without dead ends: 1130 [2018-11-18 13:48:49,597 INFO L604 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 [2018-11-18 13:48:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2018-11-18 13:48:49,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1110. [2018-11-18 13:48:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2018-11-18 13:48:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1346 transitions. [2018-11-18 13:48:49,664 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1346 transitions. Word has length 82 [2018-11-18 13:48:49,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:49,664 INFO L480 AbstractCegarLoop]: Abstraction has 1110 states and 1346 transitions. [2018-11-18 13:48:49,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:48:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1346 transitions. [2018-11-18 13:48:49,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 13:48:49,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:49,665 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] [2018-11-18 13:48:49,665 INFO L423 AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:49,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:49,665 INFO L82 PathProgramCache]: Analyzing trace with hash -2040824970, now seen corresponding path program 1 times [2018-11-18 13:48:49,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:49,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:49,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:49,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:49,666 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:49,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:49,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:49,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:48:49,764 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:49,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:48:49,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:48:49,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:48:49,764 INFO L87 Difference]: Start difference. First operand 1110 states and 1346 transitions. Second operand 6 states. [2018-11-18 13:48:49,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:49,840 INFO L93 Difference]: Finished difference Result 1738 states and 2164 transitions. [2018-11-18 13:48:49,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:48:49,841 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-18 13:48:49,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:49,843 INFO L225 Difference]: With dead ends: 1738 [2018-11-18 13:48:49,844 INFO L226 Difference]: Without dead ends: 1243 [2018-11-18 13:48:49,845 INFO L604 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 [2018-11-18 13:48:49,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2018-11-18 13:48:49,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1043. [2018-11-18 13:48:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2018-11-18 13:48:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1259 transitions. [2018-11-18 13:48:49,898 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1259 transitions. Word has length 83 [2018-11-18 13:48:49,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:49,898 INFO L480 AbstractCegarLoop]: Abstraction has 1043 states and 1259 transitions. [2018-11-18 13:48:49,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:48:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1259 transitions. [2018-11-18 13:48:49,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 13:48:49,900 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:49,900 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] [2018-11-18 13:48:49,900 INFO L423 AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:49,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:49,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1317831030, now seen corresponding path program 1 times [2018-11-18 13:48:49,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:49,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:49,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:49,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:49,901 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:49,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:49,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:48:49,939 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:49,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:48:49,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:48:49,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:48:49,940 INFO L87 Difference]: Start difference. First operand 1043 states and 1259 transitions. Second operand 5 states. [2018-11-18 13:48:50,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:50,214 INFO L93 Difference]: Finished difference Result 1873 states and 2223 transitions. [2018-11-18 13:48:50,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:48:50,215 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-18 13:48:50,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:50,216 INFO L225 Difference]: With dead ends: 1873 [2018-11-18 13:48:50,216 INFO L226 Difference]: Without dead ends: 1176 [2018-11-18 13:48:50,217 INFO L604 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 [2018-11-18 13:48:50,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2018-11-18 13:48:50,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1147. [2018-11-18 13:48:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2018-11-18 13:48:50,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1358 transitions. [2018-11-18 13:48:50,278 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1358 transitions. Word has length 78 [2018-11-18 13:48:50,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:50,278 INFO L480 AbstractCegarLoop]: Abstraction has 1147 states and 1358 transitions. [2018-11-18 13:48:50,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:48:50,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1358 transitions. [2018-11-18 13:48:50,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 13:48:50,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:50,279 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] [2018-11-18 13:48:50,279 INFO L423 AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:50,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:50,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1203910741, now seen corresponding path program 1 times [2018-11-18 13:48:50,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:50,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:50,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:50,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:50,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:50,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:50,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:50,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:48:50,346 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:50,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:48:50,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:48:50,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:48:50,346 INFO L87 Difference]: Start difference. First operand 1147 states and 1358 transitions. Second operand 9 states. [2018-11-18 13:48:50,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:50,479 INFO L93 Difference]: Finished difference Result 1149 states and 1359 transitions. [2018-11-18 13:48:50,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:48:50,479 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2018-11-18 13:48:50,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:50,481 INFO L225 Difference]: With dead ends: 1149 [2018-11-18 13:48:50,481 INFO L226 Difference]: Without dead ends: 1024 [2018-11-18 13:48:50,482 INFO L604 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 [2018-11-18 13:48:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2018-11-18 13:48:50,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1024. [2018-11-18 13:48:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2018-11-18 13:48:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1215 transitions. [2018-11-18 13:48:50,538 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1215 transitions. Word has length 81 [2018-11-18 13:48:50,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:50,538 INFO L480 AbstractCegarLoop]: Abstraction has 1024 states and 1215 transitions. [2018-11-18 13:48:50,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:48:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1215 transitions. [2018-11-18 13:48:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 13:48:50,538 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:50,539 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] [2018-11-18 13:48:50,539 INFO L423 AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:50,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:50,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1418083474, now seen corresponding path program 1 times [2018-11-18 13:48:50,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:50,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:50,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:50,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:50,540 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:48:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:48:50,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:48:50,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:48:50,603 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:48:50,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:48:50,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:48:50,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:48:50,604 INFO L87 Difference]: Start difference. First operand 1024 states and 1215 transitions. Second operand 9 states. [2018-11-18 13:48:50,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:48:50,727 INFO L93 Difference]: Finished difference Result 1061 states and 1254 transitions. [2018-11-18 13:48:50,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:48:50,728 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-18 13:48:50,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:48:50,730 INFO L225 Difference]: With dead ends: 1061 [2018-11-18 13:48:50,730 INFO L226 Difference]: Without dead ends: 1036 [2018-11-18 13:48:50,732 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:48:50,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-11-18 13:48:50,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1024. [2018-11-18 13:48:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2018-11-18 13:48:50,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1213 transitions. [2018-11-18 13:48:50,787 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1213 transitions. Word has length 88 [2018-11-18 13:48:50,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:48:50,788 INFO L480 AbstractCegarLoop]: Abstraction has 1024 states and 1213 transitions. [2018-11-18 13:48:50,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:48:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1213 transitions. [2018-11-18 13:48:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 13:48:50,789 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:48:50,789 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] [2018-11-18 13:48:50,789 INFO L423 AbstractCegarLoop]: === Iteration 55 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:48:50,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:48:50,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1589416284, now seen corresponding path program 1 times [2018-11-18 13:48:50,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:48:50,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:50,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:48:50,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:48:50,790 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:48:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:48:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:48:50,843 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 13:48:50,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:48:50 BoogieIcfgContainer [2018-11-18 13:48:50,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:48:50,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:48:50,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:48:50,922 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:48:50,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:48:34" (3/4) ... [2018-11-18 13:48:50,927 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 13:48:51,030 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_08894cf9-fb1c-4808-aa00-1899fe13dab9/bin-2019/utaipan/witness.graphml [2018-11-18 13:48:51,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:48:51,031 INFO L168 Benchmark]: Toolchain (without parser) took 18333.64 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 607.1 MB). Free memory was 955.5 MB in the beginning and 889.3 MB in the end (delta: 66.2 MB). Peak memory consumption was 673.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:51,032 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:48:51,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:51,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:51,033 INFO L168 Benchmark]: Boogie Preprocessor took 48.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:51,033 INFO L168 Benchmark]: RCFGBuilder took 999.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 115.2 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:51,033 INFO L168 Benchmark]: TraceAbstraction took 16754.35 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 475.5 MB). Free memory was 1.0 GB in the beginning and 920.0 MB in the end (delta: 85.0 MB). Peak memory consumption was 560.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:51,033 INFO L168 Benchmark]: Witness Printer took 108.19 ms. Allocated memory is still 1.6 GB. Free memory was 920.0 MB in the beginning and 889.3 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:48:51,035 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 999.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 115.2 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16754.35 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 475.5 MB). Free memory was 1.0 GB in the beginning and 920.0 MB in the end (delta: 85.0 MB). Peak memory consumption was 560.5 MB. Max. memory is 11.5 GB. * Witness Printer took 108.19 ms. Allocated memory is still 1.6 GB. Free memory was 920.0 MB in the beginning and 889.3 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 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=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__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=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__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=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] [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=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] [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=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] [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=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] [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=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] [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=1, 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=1, 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=1, 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=1, 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)=1, \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)=1, \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=1, 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)=1, \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=1, 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)=1, \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=1, 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 TRUE 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)=1, \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=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_12=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1093] RET return (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)=1, \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=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=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_12=0, 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=1, 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)=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] [L264] COND TRUE 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=1, 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 29 procedures, 417 locations, 1 error locations. UNSAFE Result, 16.7s OverallTime, 55 OverallIterations, 1 TraceHistogramMax, 9.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25233 SDtfs, 11454 SDslu, 69211 SDs, 0 SdLazy, 7919 SolverSat, 1909 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 411 GetRequests, 129 SyntacticMatches, 12 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1272occurred in iteration=29, 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: 2.9s AutomataMinimizationTime, 54 MinimizatonAttempts, 1947 StatesRemovedByMinimization, 34 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 3085 NumberOfCodeBlocks, 3085 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2946 ConstructedInterpolants, 0 QuantifiedInterpolants, 310165 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...