./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/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_d0ed50d0-64ee-4a8b-a5f5-f20561925907/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/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 0.1.23-635dfa2 [2018-12-01 22:20:07,332 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:20:07,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:20:07,339 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:20:07,339 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:20:07,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:20:07,340 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:20:07,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:20:07,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:20:07,342 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:20:07,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:20:07,343 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:20:07,343 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:20:07,344 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:20:07,344 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:20:07,344 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:20:07,345 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:20:07,346 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:20:07,346 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:20:07,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:20:07,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:20:07,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:20:07,349 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:20:07,349 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:20:07,349 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:20:07,350 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:20:07,350 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:20:07,351 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:20:07,351 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:20:07,351 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:20:07,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:20:07,352 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:20:07,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:20:07,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:20:07,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:20:07,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:20:07,353 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:20:07,360 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:20:07,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:20:07,360 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:20:07,360 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:20:07,360 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:20:07,360 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:20:07,361 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:20:07,361 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:20:07,361 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:20:07,361 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:20:07,361 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:20:07,361 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:20:07,361 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:20:07,361 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:20:07,361 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:20:07,362 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:20:07,362 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:20:07,362 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:20:07,362 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:20:07,362 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:20:07,362 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:20:07,362 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:20:07,362 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:20:07,362 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:20:07,362 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:20:07,362 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:20:07,363 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:20:07,363 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:20:07,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:20:07,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:20:07,363 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:20:07,363 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:20:07,363 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:20:07,363 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:20:07,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:20:07,363 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:20:07,363 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_d0ed50d0-64ee-4a8b-a5f5-f20561925907/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 [2018-12-01 22:20:07,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:20:07,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:20:07,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:20:07,389 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:20:07,390 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:20:07,390 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/bin-2019/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-01 22:20:07,425 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/bin-2019/utaipan/data/8853da5f5/56ae1e0008d0474a8d4b402e06ed4bce/FLAG6304d89e7 [2018-12-01 22:20:07,869 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:20:07,870 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-01 22:20:07,878 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/bin-2019/utaipan/data/8853da5f5/56ae1e0008d0474a8d4b402e06ed4bce/FLAG6304d89e7 [2018-12-01 22:20:08,271 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/bin-2019/utaipan/data/8853da5f5/56ae1e0008d0474a8d4b402e06ed4bce [2018-12-01 22:20:08,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:20:08,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:20:08,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:20:08,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:20:08,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:20:08,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9d2c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08, skipping insertion in model container [2018-12-01 22:20:08,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:20:08,322 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:20:08,486 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:20:08,489 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:20:08,598 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:20:08,610 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:20:08,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08 WrapperNode [2018-12-01 22:20:08,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:20:08,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:20:08,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:20:08,611 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:20:08,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:20:08,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:20:08,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:20:08,630 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:20:08,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (1/1) ... [2018-12-01 22:20:08,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:20:08,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:20:08,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:20:08,665 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:20:08,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/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 [2018-12-01 22:20:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-12-01 22:20:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-12-01 22:20:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-12-01 22:20:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-12-01 22:20:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-12-01 22:20:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-12-01 22:20:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-12-01 22:20:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-12-01 22:20:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:20:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:20:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-12-01 22:20:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-12-01 22:20:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-12-01 22:20:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-12-01 22:20:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-12-01 22:20:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-12-01 22:20:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-12-01 22:20:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-12-01 22:20:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-12-01 22:20:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-12-01 22:20:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-12-01 22:20:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-12-01 22:20:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-12-01 22:20:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-12-01 22:20:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-12-01 22:20:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-12-01 22:20:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-12-01 22:20:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-12-01 22:20:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-12-01 22:20:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-12-01 22:20:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-12-01 22:20:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-12-01 22:20:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-12-01 22:20:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-12-01 22:20:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-12-01 22:20:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-12-01 22:20:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-12-01 22:20:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-12-01 22:20:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-12-01 22:20:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-12-01 22:20:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-12-01 22:20:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-12-01 22:20:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:20:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:20:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-12-01 22:20:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-12-01 22:20:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-12-01 22:20:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-12-01 22:20:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-12-01 22:20:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-12-01 22:20:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:20:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:20:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-12-01 22:20:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-12-01 22:20:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-12-01 22:20:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-12-01 22:20:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-12-01 22:20:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-12-01 22:20:08,830 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:08,831 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:08,864 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:08,864 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:08,870 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:08,870 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:08,962 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:08,962 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:09,012 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:09,012 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:09,058 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:09,058 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:09,063 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:09,063 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:09,068 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:09,068 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:09,079 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:09,079 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:09,121 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:09,121 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:09,209 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:09,209 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:09,214 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:09,214 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:09,228 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 22:20:09,228 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 22:20:09,239 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:20:09,240 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 22:20:09,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:20:09 BoogieIcfgContainer [2018-12-01 22:20:09,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:20:09,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:20:09,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:20:09,243 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:20:09,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:20:08" (1/3) ... [2018-12-01 22:20:09,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbe64ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:20:09, skipping insertion in model container [2018-12-01 22:20:09,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:20:08" (2/3) ... [2018-12-01 22:20:09,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbe64ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:20:09, skipping insertion in model container [2018-12-01 22:20:09,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:20:09" (3/3) ... [2018-12-01 22:20:09,246 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-01 22:20:09,253 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:20:09,260 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:20:09,272 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:20:09,293 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:20:09,293 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:20:09,293 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:20:09,293 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:20:09,293 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:20:09,293 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:20:09,293 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:20:09,293 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:20:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states. [2018-12-01 22:20:09,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 22:20:09,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:09,314 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:20:09,315 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:09,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:09,318 INFO L82 PathProgramCache]: Analyzing trace with hash 778859383, now seen corresponding path program 1 times [2018-12-01 22:20:09,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:09,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:09,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:09,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:09,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:09,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:09,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:09,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:09,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:09,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:09,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:09,474 INFO L87 Difference]: Start difference. First operand 390 states. Second operand 3 states. [2018-12-01 22:20:09,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:09,542 INFO L93 Difference]: Finished difference Result 626 states and 913 transitions. [2018-12-01 22:20:09,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:09,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-01 22:20:09,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:09,552 INFO L225 Difference]: With dead ends: 626 [2018-12-01 22:20:09,552 INFO L226 Difference]: Without dead ends: 382 [2018-12-01 22:20:09,556 INFO L631 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 [2018-12-01 22:20:09,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-12-01 22:20:09,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-12-01 22:20:09,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-12-01 22:20:09,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 526 transitions. [2018-12-01 22:20:09,598 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 526 transitions. Word has length 20 [2018-12-01 22:20:09,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:09,599 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 526 transitions. [2018-12-01 22:20:09,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 526 transitions. [2018-12-01 22:20:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 22:20:09,600 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:09,600 INFO L402 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] [2018-12-01 22:20:09,600 INFO L423 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:09,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:09,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1420696150, now seen corresponding path program 1 times [2018-12-01 22:20:09,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:09,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:09,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:09,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:09,601 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:09,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:09,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:09,677 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:09,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:09,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:09,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:09,679 INFO L87 Difference]: Start difference. First operand 382 states and 526 transitions. Second operand 3 states. [2018-12-01 22:20:09,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:09,812 INFO L93 Difference]: Finished difference Result 705 states and 959 transitions. [2018-12-01 22:20:09,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:09,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-12-01 22:20:09,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:09,815 INFO L225 Difference]: With dead ends: 705 [2018-12-01 22:20:09,815 INFO L226 Difference]: Without dead ends: 540 [2018-12-01 22:20:09,816 INFO L631 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 [2018-12-01 22:20:09,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-12-01 22:20:09,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 521. [2018-12-01 22:20:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2018-12-01 22:20:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 709 transitions. [2018-12-01 22:20:09,840 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 709 transitions. Word has length 25 [2018-12-01 22:20:09,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:09,841 INFO L480 AbstractCegarLoop]: Abstraction has 521 states and 709 transitions. [2018-12-01 22:20:09,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 709 transitions. [2018-12-01 22:20:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 22:20:09,842 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:09,842 INFO L402 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] [2018-12-01 22:20:09,842 INFO L423 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:09,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:09,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1219018070, now seen corresponding path program 1 times [2018-12-01 22:20:09,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:09,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:09,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:09,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:09,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:09,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:09,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:09,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:09,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:09,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:09,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:09,897 INFO L87 Difference]: Start difference. First operand 521 states and 709 transitions. Second operand 3 states. [2018-12-01 22:20:09,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:09,926 INFO L93 Difference]: Finished difference Result 646 states and 866 transitions. [2018-12-01 22:20:09,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:09,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-12-01 22:20:09,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:09,929 INFO L225 Difference]: With dead ends: 646 [2018-12-01 22:20:09,929 INFO L226 Difference]: Without dead ends: 625 [2018-12-01 22:20:09,929 INFO L631 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 [2018-12-01 22:20:09,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2018-12-01 22:20:09,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 585. [2018-12-01 22:20:09,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-12-01 22:20:09,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 792 transitions. [2018-12-01 22:20:09,950 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 792 transitions. Word has length 31 [2018-12-01 22:20:09,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:09,950 INFO L480 AbstractCegarLoop]: Abstraction has 585 states and 792 transitions. [2018-12-01 22:20:09,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 792 transitions. [2018-12-01 22:20:09,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 22:20:09,951 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:09,951 INFO L402 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] [2018-12-01 22:20:09,951 INFO L423 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:09,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:09,951 INFO L82 PathProgramCache]: Analyzing trace with hash 401481508, now seen corresponding path program 1 times [2018-12-01 22:20:09,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:09,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:09,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:09,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:09,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:09,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:09,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:09,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:09,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:09,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:09,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:09,988 INFO L87 Difference]: Start difference. First operand 585 states and 792 transitions. Second operand 3 states. [2018-12-01 22:20:10,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:10,030 INFO L93 Difference]: Finished difference Result 1096 states and 1479 transitions. [2018-12-01 22:20:10,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:10,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-12-01 22:20:10,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:10,033 INFO L225 Difference]: With dead ends: 1096 [2018-12-01 22:20:10,033 INFO L226 Difference]: Without dead ends: 796 [2018-12-01 22:20:10,034 INFO L631 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 [2018-12-01 22:20:10,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-12-01 22:20:10,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 767. [2018-12-01 22:20:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2018-12-01 22:20:10,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1042 transitions. [2018-12-01 22:20:10,058 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1042 transitions. Word has length 33 [2018-12-01 22:20:10,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:10,058 INFO L480 AbstractCegarLoop]: Abstraction has 767 states and 1042 transitions. [2018-12-01 22:20:10,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:10,058 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1042 transitions. [2018-12-01 22:20:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 22:20:10,059 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:10,059 INFO L402 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] [2018-12-01 22:20:10,059 INFO L423 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:10,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:10,059 INFO L82 PathProgramCache]: Analyzing trace with hash -179441882, now seen corresponding path program 1 times [2018-12-01 22:20:10,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:10,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:10,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,060 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:10,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:10,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:10,084 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:10,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:10,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:10,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:10,085 INFO L87 Difference]: Start difference. First operand 767 states and 1042 transitions. Second operand 3 states. [2018-12-01 22:20:10,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:10,156 INFO L93 Difference]: Finished difference Result 811 states and 1096 transitions. [2018-12-01 22:20:10,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:10,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-12-01 22:20:10,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:10,159 INFO L225 Difference]: With dead ends: 811 [2018-12-01 22:20:10,159 INFO L226 Difference]: Without dead ends: 806 [2018-12-01 22:20:10,160 INFO L631 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 [2018-12-01 22:20:10,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2018-12-01 22:20:10,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 802. [2018-12-01 22:20:10,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2018-12-01 22:20:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1086 transitions. [2018-12-01 22:20:10,184 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1086 transitions. Word has length 38 [2018-12-01 22:20:10,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:10,184 INFO L480 AbstractCegarLoop]: Abstraction has 802 states and 1086 transitions. [2018-12-01 22:20:10,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1086 transitions. [2018-12-01 22:20:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 22:20:10,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:10,185 INFO L402 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] [2018-12-01 22:20:10,186 INFO L423 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:10,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:10,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1987377410, now seen corresponding path program 1 times [2018-12-01 22:20:10,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:10,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:10,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,187 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:10,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:10,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:10,224 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:10,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:10,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:10,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:10,225 INFO L87 Difference]: Start difference. First operand 802 states and 1086 transitions. Second operand 3 states. [2018-12-01 22:20:10,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:10,292 INFO L93 Difference]: Finished difference Result 817 states and 1106 transitions. [2018-12-01 22:20:10,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:10,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-12-01 22:20:10,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:10,294 INFO L225 Difference]: With dead ends: 817 [2018-12-01 22:20:10,294 INFO L226 Difference]: Without dead ends: 814 [2018-12-01 22:20:10,295 INFO L631 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 [2018-12-01 22:20:10,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-12-01 22:20:10,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 813. [2018-12-01 22:20:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2018-12-01 22:20:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1100 transitions. [2018-12-01 22:20:10,314 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1100 transitions. Word has length 38 [2018-12-01 22:20:10,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:10,314 INFO L480 AbstractCegarLoop]: Abstraction has 813 states and 1100 transitions. [2018-12-01 22:20:10,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1100 transitions. [2018-12-01 22:20:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 22:20:10,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:10,315 INFO L402 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] [2018-12-01 22:20:10,315 INFO L423 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:10,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:10,316 INFO L82 PathProgramCache]: Analyzing trace with hash 853385571, now seen corresponding path program 1 times [2018-12-01 22:20:10,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:10,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:10,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,316 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:10,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:10,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:10,351 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:10,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:10,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:10,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:10,351 INFO L87 Difference]: Start difference. First operand 813 states and 1100 transitions. Second operand 5 states. [2018-12-01 22:20:10,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:10,402 INFO L93 Difference]: Finished difference Result 826 states and 1114 transitions. [2018-12-01 22:20:10,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:10,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-12-01 22:20:10,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:10,406 INFO L225 Difference]: With dead ends: 826 [2018-12-01 22:20:10,406 INFO L226 Difference]: Without dead ends: 811 [2018-12-01 22:20:10,407 INFO L631 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 [2018-12-01 22:20:10,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2018-12-01 22:20:10,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2018-12-01 22:20:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-01 22:20:10,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1096 transitions. [2018-12-01 22:20:10,437 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1096 transitions. Word has length 40 [2018-12-01 22:20:10,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:10,438 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 1096 transitions. [2018-12-01 22:20:10,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:10,438 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1096 transitions. [2018-12-01 22:20:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 22:20:10,439 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:10,439 INFO L402 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] [2018-12-01 22:20:10,439 INFO L423 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:10,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:10,439 INFO L82 PathProgramCache]: Analyzing trace with hash -815128834, now seen corresponding path program 1 times [2018-12-01 22:20:10,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:10,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:10,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,440 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:10,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:10,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:10,480 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:10,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:10,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:10,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:10,481 INFO L87 Difference]: Start difference. First operand 811 states and 1096 transitions. Second operand 5 states. [2018-12-01 22:20:10,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:10,525 INFO L93 Difference]: Finished difference Result 824 states and 1110 transitions. [2018-12-01 22:20:10,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:10,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-12-01 22:20:10,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:10,527 INFO L225 Difference]: With dead ends: 824 [2018-12-01 22:20:10,527 INFO L226 Difference]: Without dead ends: 804 [2018-12-01 22:20:10,528 INFO L631 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 [2018-12-01 22:20:10,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-12-01 22:20:10,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-12-01 22:20:10,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-12-01 22:20:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1087 transitions. [2018-12-01 22:20:10,546 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1087 transitions. Word has length 39 [2018-12-01 22:20:10,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:10,546 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1087 transitions. [2018-12-01 22:20:10,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1087 transitions. [2018-12-01 22:20:10,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 22:20:10,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:10,547 INFO L402 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] [2018-12-01 22:20:10,547 INFO L423 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:10,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:10,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1144664803, now seen corresponding path program 1 times [2018-12-01 22:20:10,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:10,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:10,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,548 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:10,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:10,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:10,578 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:10,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:10,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:10,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:10,578 INFO L87 Difference]: Start difference. First operand 804 states and 1087 transitions. Second operand 5 states. [2018-12-01 22:20:10,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:10,824 INFO L93 Difference]: Finished difference Result 817 states and 1099 transitions. [2018-12-01 22:20:10,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:10,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-12-01 22:20:10,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:10,827 INFO L225 Difference]: With dead ends: 817 [2018-12-01 22:20:10,827 INFO L226 Difference]: Without dead ends: 808 [2018-12-01 22:20:10,827 INFO L631 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 [2018-12-01 22:20:10,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2018-12-01 22:20:10,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 804. [2018-12-01 22:20:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-12-01 22:20:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1085 transitions. [2018-12-01 22:20:10,859 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1085 transitions. Word has length 43 [2018-12-01 22:20:10,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:10,859 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1085 transitions. [2018-12-01 22:20:10,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1085 transitions. [2018-12-01 22:20:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 22:20:10,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:10,861 INFO L402 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] [2018-12-01 22:20:10,861 INFO L423 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:10,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:10,861 INFO L82 PathProgramCache]: Analyzing trace with hash -514424031, now seen corresponding path program 1 times [2018-12-01 22:20:10,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:10,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:10,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,862 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:10,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:10,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 22:20:10,900 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:10,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 22:20:10,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 22:20:10,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:20:10,901 INFO L87 Difference]: Start difference. First operand 804 states and 1085 transitions. Second operand 4 states. [2018-12-01 22:20:10,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:10,941 INFO L93 Difference]: Finished difference Result 832 states and 1118 transitions. [2018-12-01 22:20:10,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 22:20:10,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-12-01 22:20:10,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:10,943 INFO L225 Difference]: With dead ends: 832 [2018-12-01 22:20:10,943 INFO L226 Difference]: Without dead ends: 810 [2018-12-01 22:20:10,944 INFO L631 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 [2018-12-01 22:20:10,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-12-01 22:20:10,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 806. [2018-12-01 22:20:10,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-12-01 22:20:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1087 transitions. [2018-12-01 22:20:10,963 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1087 transitions. Word has length 42 [2018-12-01 22:20:10,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:10,963 INFO L480 AbstractCegarLoop]: Abstraction has 806 states and 1087 transitions. [2018-12-01 22:20:10,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 22:20:10,963 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1087 transitions. [2018-12-01 22:20:10,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 22:20:10,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:10,964 INFO L402 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] [2018-12-01 22:20:10,964 INFO L423 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:10,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:10,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1193401920, now seen corresponding path program 1 times [2018-12-01 22:20:10,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:10,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:10,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:10,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:10,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:10,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:10,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:10,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:10,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:10,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:10,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:10,988 INFO L87 Difference]: Start difference. First operand 806 states and 1087 transitions. Second operand 3 states. [2018-12-01 22:20:11,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:11,065 INFO L93 Difference]: Finished difference Result 1186 states and 1614 transitions. [2018-12-01 22:20:11,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:11,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-12-01 22:20:11,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:11,070 INFO L225 Difference]: With dead ends: 1186 [2018-12-01 22:20:11,070 INFO L226 Difference]: Without dead ends: 1183 [2018-12-01 22:20:11,071 INFO L631 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 [2018-12-01 22:20:11,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2018-12-01 22:20:11,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 929. [2018-12-01 22:20:11,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2018-12-01 22:20:11,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1256 transitions. [2018-12-01 22:20:11,115 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1256 transitions. Word has length 44 [2018-12-01 22:20:11,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:11,115 INFO L480 AbstractCegarLoop]: Abstraction has 929 states and 1256 transitions. [2018-12-01 22:20:11,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:11,115 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1256 transitions. [2018-12-01 22:20:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 22:20:11,116 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:11,117 INFO L402 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] [2018-12-01 22:20:11,117 INFO L423 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:11,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:11,117 INFO L82 PathProgramCache]: Analyzing trace with hash 235619149, now seen corresponding path program 1 times [2018-12-01 22:20:11,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:11,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:11,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:11,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:11,118 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:11,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:11,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:11,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:11,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:11,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:11,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:11,161 INFO L87 Difference]: Start difference. First operand 929 states and 1256 transitions. Second operand 5 states. [2018-12-01 22:20:11,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:11,402 INFO L93 Difference]: Finished difference Result 942 states and 1268 transitions. [2018-12-01 22:20:11,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:11,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-12-01 22:20:11,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:11,404 INFO L225 Difference]: With dead ends: 942 [2018-12-01 22:20:11,404 INFO L226 Difference]: Without dead ends: 933 [2018-12-01 22:20:11,405 INFO L631 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 [2018-12-01 22:20:11,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2018-12-01 22:20:11,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 929. [2018-12-01 22:20:11,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2018-12-01 22:20:11,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1254 transitions. [2018-12-01 22:20:11,430 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1254 transitions. Word has length 44 [2018-12-01 22:20:11,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:11,430 INFO L480 AbstractCegarLoop]: Abstraction has 929 states and 1254 transitions. [2018-12-01 22:20:11,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:11,431 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1254 transitions. [2018-12-01 22:20:11,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 22:20:11,431 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:11,431 INFO L402 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] [2018-12-01 22:20:11,431 INFO L423 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:11,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:11,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1952216181, now seen corresponding path program 1 times [2018-12-01 22:20:11,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:11,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:11,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:11,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:11,432 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:11,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:11,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 22:20:11,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:11,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 22:20:11,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 22:20:11,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:20:11,454 INFO L87 Difference]: Start difference. First operand 929 states and 1254 transitions. Second operand 4 states. [2018-12-01 22:20:11,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:11,510 INFO L93 Difference]: Finished difference Result 957 states and 1287 transitions. [2018-12-01 22:20:11,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 22:20:11,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-12-01 22:20:11,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:11,514 INFO L225 Difference]: With dead ends: 957 [2018-12-01 22:20:11,514 INFO L226 Difference]: Without dead ends: 935 [2018-12-01 22:20:11,515 INFO L631 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 [2018-12-01 22:20:11,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2018-12-01 22:20:11,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 929. [2018-12-01 22:20:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2018-12-01 22:20:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1254 transitions. [2018-12-01 22:20:11,556 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1254 transitions. Word has length 43 [2018-12-01 22:20:11,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:11,557 INFO L480 AbstractCegarLoop]: Abstraction has 929 states and 1254 transitions. [2018-12-01 22:20:11,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 22:20:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1254 transitions. [2018-12-01 22:20:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 22:20:11,558 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:11,558 INFO L402 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] [2018-12-01 22:20:11,558 INFO L423 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:11,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:11,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1421186615, now seen corresponding path program 1 times [2018-12-01 22:20:11,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:11,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:11,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:11,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:11,559 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:11,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:11,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:11,602 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:11,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:11,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:11,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:11,603 INFO L87 Difference]: Start difference. First operand 929 states and 1254 transitions. Second operand 5 states. [2018-12-01 22:20:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:12,026 INFO L93 Difference]: Finished difference Result 1673 states and 2232 transitions. [2018-12-01 22:20:12,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:20:12,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-12-01 22:20:12,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:12,029 INFO L225 Difference]: With dead ends: 1673 [2018-12-01 22:20:12,029 INFO L226 Difference]: Without dead ends: 1113 [2018-12-01 22:20:12,030 INFO L631 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 [2018-12-01 22:20:12,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2018-12-01 22:20:12,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 920. [2018-12-01 22:20:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2018-12-01 22:20:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1233 transitions. [2018-12-01 22:20:12,060 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1233 transitions. Word has length 45 [2018-12-01 22:20:12,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:12,061 INFO L480 AbstractCegarLoop]: Abstraction has 920 states and 1233 transitions. [2018-12-01 22:20:12,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1233 transitions. [2018-12-01 22:20:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 22:20:12,061 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:12,061 INFO L402 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] [2018-12-01 22:20:12,062 INFO L423 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:12,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:12,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1230825012, now seen corresponding path program 1 times [2018-12-01 22:20:12,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:12,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:12,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,062 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:12,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:12,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:12,099 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:12,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:12,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:12,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:12,100 INFO L87 Difference]: Start difference. First operand 920 states and 1233 transitions. Second operand 5 states. [2018-12-01 22:20:12,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:12,152 INFO L93 Difference]: Finished difference Result 936 states and 1248 transitions. [2018-12-01 22:20:12,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:12,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-12-01 22:20:12,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:12,155 INFO L225 Difference]: With dead ends: 936 [2018-12-01 22:20:12,155 INFO L226 Difference]: Without dead ends: 918 [2018-12-01 22:20:12,155 INFO L631 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 [2018-12-01 22:20:12,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2018-12-01 22:20:12,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2018-12-01 22:20:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2018-12-01 22:20:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1229 transitions. [2018-12-01 22:20:12,184 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1229 transitions. Word has length 45 [2018-12-01 22:20:12,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:12,184 INFO L480 AbstractCegarLoop]: Abstraction has 918 states and 1229 transitions. [2018-12-01 22:20:12,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1229 transitions. [2018-12-01 22:20:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 22:20:12,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:12,185 INFO L402 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] [2018-12-01 22:20:12,185 INFO L423 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:12,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:12,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1277595138, now seen corresponding path program 1 times [2018-12-01 22:20:12,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:12,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:12,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:12,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:12,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:12,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:12,205 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:12,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:12,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:12,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:12,206 INFO L87 Difference]: Start difference. First operand 918 states and 1229 transitions. Second operand 3 states. [2018-12-01 22:20:12,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:12,241 INFO L93 Difference]: Finished difference Result 948 states and 1265 transitions. [2018-12-01 22:20:12,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:12,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-12-01 22:20:12,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:12,243 INFO L225 Difference]: With dead ends: 948 [2018-12-01 22:20:12,243 INFO L226 Difference]: Without dead ends: 900 [2018-12-01 22:20:12,243 INFO L631 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 [2018-12-01 22:20:12,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-12-01 22:20:12,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 896. [2018-12-01 22:20:12,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2018-12-01 22:20:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1197 transitions. [2018-12-01 22:20:12,270 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1197 transitions. Word has length 46 [2018-12-01 22:20:12,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:12,270 INFO L480 AbstractCegarLoop]: Abstraction has 896 states and 1197 transitions. [2018-12-01 22:20:12,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1197 transitions. [2018-12-01 22:20:12,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 22:20:12,271 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:12,271 INFO L402 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] [2018-12-01 22:20:12,271 INFO L423 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:12,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:12,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1678296023, now seen corresponding path program 1 times [2018-12-01 22:20:12,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:12,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:12,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,272 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:12,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:12,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:12,312 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:12,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:12,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:12,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:12,312 INFO L87 Difference]: Start difference. First operand 896 states and 1197 transitions. Second operand 5 states. [2018-12-01 22:20:12,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:12,352 INFO L93 Difference]: Finished difference Result 912 states and 1212 transitions. [2018-12-01 22:20:12,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:12,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-12-01 22:20:12,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:12,354 INFO L225 Difference]: With dead ends: 912 [2018-12-01 22:20:12,354 INFO L226 Difference]: Without dead ends: 894 [2018-12-01 22:20:12,355 INFO L631 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 [2018-12-01 22:20:12,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-12-01 22:20:12,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2018-12-01 22:20:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-12-01 22:20:12,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1193 transitions. [2018-12-01 22:20:12,381 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1193 transitions. Word has length 47 [2018-12-01 22:20:12,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:12,381 INFO L480 AbstractCegarLoop]: Abstraction has 894 states and 1193 transitions. [2018-12-01 22:20:12,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:12,381 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1193 transitions. [2018-12-01 22:20:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 22:20:12,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:12,382 INFO L402 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] [2018-12-01 22:20:12,382 INFO L423 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:12,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:12,382 INFO L82 PathProgramCache]: Analyzing trace with hash 789546877, now seen corresponding path program 1 times [2018-12-01 22:20:12,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:12,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:12,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,383 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:12,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:12,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:12,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:20:12,423 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:12,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:20:12,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:20:12,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:20:12,423 INFO L87 Difference]: Start difference. First operand 894 states and 1193 transitions. Second operand 6 states. [2018-12-01 22:20:12,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:12,488 INFO L93 Difference]: Finished difference Result 914 states and 1213 transitions. [2018-12-01 22:20:12,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:20:12,488 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-12-01 22:20:12,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:12,490 INFO L225 Difference]: With dead ends: 914 [2018-12-01 22:20:12,490 INFO L226 Difference]: Without dead ends: 894 [2018-12-01 22:20:12,491 INFO L631 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 [2018-12-01 22:20:12,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-12-01 22:20:12,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2018-12-01 22:20:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-12-01 22:20:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1181 transitions. [2018-12-01 22:20:12,524 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1181 transitions. Word has length 50 [2018-12-01 22:20:12,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:12,524 INFO L480 AbstractCegarLoop]: Abstraction has 894 states and 1181 transitions. [2018-12-01 22:20:12,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:20:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1181 transitions. [2018-12-01 22:20:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 22:20:12,525 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:12,525 INFO L402 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] [2018-12-01 22:20:12,525 INFO L423 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:12,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:12,526 INFO L82 PathProgramCache]: Analyzing trace with hash 640091009, now seen corresponding path program 1 times [2018-12-01 22:20:12,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:12,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:12,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,526 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:12,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:12,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:12,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:12,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:12,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:12,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:12,548 INFO L87 Difference]: Start difference. First operand 894 states and 1181 transitions. Second operand 3 states. [2018-12-01 22:20:12,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:12,642 INFO L93 Difference]: Finished difference Result 1217 states and 1631 transitions. [2018-12-01 22:20:12,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:12,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-12-01 22:20:12,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:12,645 INFO L225 Difference]: With dead ends: 1217 [2018-12-01 22:20:12,645 INFO L226 Difference]: Without dead ends: 1205 [2018-12-01 22:20:12,646 INFO L631 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 [2018-12-01 22:20:12,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2018-12-01 22:20:12,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1015. [2018-12-01 22:20:12,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2018-12-01 22:20:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1344 transitions. [2018-12-01 22:20:12,678 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1344 transitions. Word has length 50 [2018-12-01 22:20:12,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:12,678 INFO L480 AbstractCegarLoop]: Abstraction has 1015 states and 1344 transitions. [2018-12-01 22:20:12,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1344 transitions. [2018-12-01 22:20:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 22:20:12,679 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:12,679 INFO L402 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] [2018-12-01 22:20:12,679 INFO L423 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:12,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:12,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1669726055, now seen corresponding path program 1 times [2018-12-01 22:20:12,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:12,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:12,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,680 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:12,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:12,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 22:20:12,707 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:12,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 22:20:12,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 22:20:12,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:20:12,708 INFO L87 Difference]: Start difference. First operand 1015 states and 1344 transitions. Second operand 4 states. [2018-12-01 22:20:12,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:12,836 INFO L93 Difference]: Finished difference Result 1108 states and 1435 transitions. [2018-12-01 22:20:12,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 22:20:12,836 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-12-01 22:20:12,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:12,838 INFO L225 Difference]: With dead ends: 1108 [2018-12-01 22:20:12,838 INFO L226 Difference]: Without dead ends: 708 [2018-12-01 22:20:12,839 INFO L631 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 [2018-12-01 22:20:12,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2018-12-01 22:20:12,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 671. [2018-12-01 22:20:12,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2018-12-01 22:20:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 852 transitions. [2018-12-01 22:20:12,860 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 852 transitions. Word has length 52 [2018-12-01 22:20:12,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:12,860 INFO L480 AbstractCegarLoop]: Abstraction has 671 states and 852 transitions. [2018-12-01 22:20:12,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 22:20:12,860 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 852 transitions. [2018-12-01 22:20:12,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 22:20:12,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:12,861 INFO L402 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] [2018-12-01 22:20:12,861 INFO L423 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:12,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:12,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1003846169, now seen corresponding path program 1 times [2018-12-01 22:20:12,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:12,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:12,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:12,862 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:12,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:12,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:20:12,895 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:12,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:20:12,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:20:12,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:20:12,896 INFO L87 Difference]: Start difference. First operand 671 states and 852 transitions. Second operand 7 states. [2018-12-01 22:20:12,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:12,989 INFO L93 Difference]: Finished difference Result 721 states and 906 transitions. [2018-12-01 22:20:12,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:20:12,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-01 22:20:12,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:12,990 INFO L225 Difference]: With dead ends: 721 [2018-12-01 22:20:12,990 INFO L226 Difference]: Without dead ends: 672 [2018-12-01 22:20:12,991 INFO L631 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 [2018-12-01 22:20:12,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-12-01 22:20:13,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 659. [2018-12-01 22:20:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2018-12-01 22:20:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 833 transitions. [2018-12-01 22:20:13,011 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 833 transitions. Word has length 51 [2018-12-01 22:20:13,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:13,011 INFO L480 AbstractCegarLoop]: Abstraction has 659 states and 833 transitions. [2018-12-01 22:20:13,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:20:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 833 transitions. [2018-12-01 22:20:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 22:20:13,012 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:13,012 INFO L402 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] [2018-12-01 22:20:13,012 INFO L423 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:13,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:13,012 INFO L82 PathProgramCache]: Analyzing trace with hash 2131361818, now seen corresponding path program 1 times [2018-12-01 22:20:13,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:13,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:13,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:13,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:13,013 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:13,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:13,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:20:13,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:13,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:20:13,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:20:13,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:20:13,053 INFO L87 Difference]: Start difference. First operand 659 states and 833 transitions. Second operand 6 states. [2018-12-01 22:20:13,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:13,093 INFO L93 Difference]: Finished difference Result 686 states and 864 transitions. [2018-12-01 22:20:13,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:20:13,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-12-01 22:20:13,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:13,096 INFO L225 Difference]: With dead ends: 686 [2018-12-01 22:20:13,096 INFO L226 Difference]: Without dead ends: 661 [2018-12-01 22:20:13,096 INFO L631 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 [2018-12-01 22:20:13,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-12-01 22:20:13,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2018-12-01 22:20:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2018-12-01 22:20:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 835 transitions. [2018-12-01 22:20:13,116 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 835 transitions. Word has length 51 [2018-12-01 22:20:13,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:13,116 INFO L480 AbstractCegarLoop]: Abstraction has 661 states and 835 transitions. [2018-12-01 22:20:13,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:20:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2018-12-01 22:20:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 22:20:13,117 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:13,117 INFO L402 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] [2018-12-01 22:20:13,117 INFO L423 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:13,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:13,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1179136159, now seen corresponding path program 1 times [2018-12-01 22:20:13,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:13,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:13,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:13,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:13,118 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:13,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:13,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 22:20:13,153 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:13,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 22:20:13,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 22:20:13,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:20:13,153 INFO L87 Difference]: Start difference. First operand 661 states and 835 transitions. Second operand 8 states. [2018-12-01 22:20:13,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:13,275 INFO L93 Difference]: Finished difference Result 691 states and 869 transitions. [2018-12-01 22:20:13,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:20:13,276 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-12-01 22:20:13,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:13,278 INFO L225 Difference]: With dead ends: 691 [2018-12-01 22:20:13,278 INFO L226 Difference]: Without dead ends: 687 [2018-12-01 22:20:13,278 INFO L631 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 [2018-12-01 22:20:13,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2018-12-01 22:20:13,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 679. [2018-12-01 22:20:13,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2018-12-01 22:20:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 856 transitions. [2018-12-01 22:20:13,303 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 856 transitions. Word has length 51 [2018-12-01 22:20:13,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:13,303 INFO L480 AbstractCegarLoop]: Abstraction has 679 states and 856 transitions. [2018-12-01 22:20:13,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 22:20:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 856 transitions. [2018-12-01 22:20:13,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 22:20:13,305 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:13,305 INFO L402 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] [2018-12-01 22:20:13,305 INFO L423 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:13,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:13,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1179412989, now seen corresponding path program 1 times [2018-12-01 22:20:13,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:13,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:13,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:13,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:13,306 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:13,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:13,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 22:20:13,359 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:13,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 22:20:13,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 22:20:13,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:20:13,360 INFO L87 Difference]: Start difference. First operand 679 states and 856 transitions. Second operand 8 states. [2018-12-01 22:20:13,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:13,438 INFO L93 Difference]: Finished difference Result 1079 states and 1387 transitions. [2018-12-01 22:20:13,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:20:13,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-12-01 22:20:13,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:13,440 INFO L225 Difference]: With dead ends: 1079 [2018-12-01 22:20:13,440 INFO L226 Difference]: Without dead ends: 722 [2018-12-01 22:20:13,441 INFO L631 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 [2018-12-01 22:20:13,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2018-12-01 22:20:13,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 705. [2018-12-01 22:20:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2018-12-01 22:20:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 900 transitions. [2018-12-01 22:20:13,463 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 900 transitions. Word has length 51 [2018-12-01 22:20:13,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:13,463 INFO L480 AbstractCegarLoop]: Abstraction has 705 states and 900 transitions. [2018-12-01 22:20:13,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 22:20:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 900 transitions. [2018-12-01 22:20:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 22:20:13,464 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:13,464 INFO L402 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] [2018-12-01 22:20:13,464 INFO L423 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:13,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:13,464 INFO L82 PathProgramCache]: Analyzing trace with hash 123652094, now seen corresponding path program 1 times [2018-12-01 22:20:13,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:13,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:13,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:13,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:13,465 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:13,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:13,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:13,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:20:13,520 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:13,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:20:13,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:20:13,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:20:13,520 INFO L87 Difference]: Start difference. First operand 705 states and 900 transitions. Second operand 9 states. [2018-12-01 22:20:14,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:14,467 INFO L93 Difference]: Finished difference Result 1079 states and 1369 transitions. [2018-12-01 22:20:14,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-01 22:20:14,467 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-12-01 22:20:14,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:14,469 INFO L225 Difference]: With dead ends: 1079 [2018-12-01 22:20:14,470 INFO L226 Difference]: Without dead ends: 991 [2018-12-01 22:20:14,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-12-01 22:20:14,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-12-01 22:20:14,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 784. [2018-12-01 22:20:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-12-01 22:20:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1006 transitions. [2018-12-01 22:20:14,515 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1006 transitions. Word has length 52 [2018-12-01 22:20:14,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:14,516 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 1006 transitions. [2018-12-01 22:20:14,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:20:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1006 transitions. [2018-12-01 22:20:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 22:20:14,517 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:14,517 INFO L402 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] [2018-12-01 22:20:14,518 INFO L423 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:14,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:14,518 INFO L82 PathProgramCache]: Analyzing trace with hash 570806824, now seen corresponding path program 1 times [2018-12-01 22:20:14,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:14,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:14,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:14,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:14,519 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:14,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:14,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:20:14,567 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:14,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:20:14,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:20:14,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:20:14,567 INFO L87 Difference]: Start difference. First operand 784 states and 1006 transitions. Second operand 7 states. [2018-12-01 22:20:15,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:15,021 INFO L93 Difference]: Finished difference Result 910 states and 1159 transitions. [2018-12-01 22:20:15,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 22:20:15,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-01 22:20:15,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:15,023 INFO L225 Difference]: With dead ends: 910 [2018-12-01 22:20:15,024 INFO L226 Difference]: Without dead ends: 793 [2018-12-01 22:20:15,024 INFO L631 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 [2018-12-01 22:20:15,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-12-01 22:20:15,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 747. [2018-12-01 22:20:15,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2018-12-01 22:20:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 942 transitions. [2018-12-01 22:20:15,063 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 942 transitions. Word has length 52 [2018-12-01 22:20:15,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:15,063 INFO L480 AbstractCegarLoop]: Abstraction has 747 states and 942 transitions. [2018-12-01 22:20:15,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:20:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 942 transitions. [2018-12-01 22:20:15,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 22:20:15,064 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:15,064 INFO L402 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] [2018-12-01 22:20:15,064 INFO L423 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:15,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:15,065 INFO L82 PathProgramCache]: Analyzing trace with hash 714086182, now seen corresponding path program 1 times [2018-12-01 22:20:15,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:15,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:15,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:15,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:15,065 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:15,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:15,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:15,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:15,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:15,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:15,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:15,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:15,084 INFO L87 Difference]: Start difference. First operand 747 states and 942 transitions. Second operand 3 states. [2018-12-01 22:20:15,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:15,179 INFO L93 Difference]: Finished difference Result 919 states and 1179 transitions. [2018-12-01 22:20:15,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:15,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-01 22:20:15,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:15,182 INFO L225 Difference]: With dead ends: 919 [2018-12-01 22:20:15,182 INFO L226 Difference]: Without dead ends: 889 [2018-12-01 22:20:15,183 INFO L631 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 [2018-12-01 22:20:15,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2018-12-01 22:20:15,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 741. [2018-12-01 22:20:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-12-01 22:20:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 930 transitions. [2018-12-01 22:20:15,229 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 930 transitions. Word has length 52 [2018-12-01 22:20:15,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:15,229 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 930 transitions. [2018-12-01 22:20:15,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 930 transitions. [2018-12-01 22:20:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 22:20:15,231 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:15,231 INFO L402 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] [2018-12-01 22:20:15,231 INFO L423 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:15,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:15,231 INFO L82 PathProgramCache]: Analyzing trace with hash -770468295, now seen corresponding path program 1 times [2018-12-01 22:20:15,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:15,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:15,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:15,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:15,232 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:15,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:15,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:15,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:15,265 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:15,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:15,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:15,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:15,266 INFO L87 Difference]: Start difference. First operand 741 states and 930 transitions. Second operand 5 states. [2018-12-01 22:20:15,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:15,554 INFO L93 Difference]: Finished difference Result 891 states and 1141 transitions. [2018-12-01 22:20:15,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:15,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-12-01 22:20:15,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:15,556 INFO L225 Difference]: With dead ends: 891 [2018-12-01 22:20:15,556 INFO L226 Difference]: Without dead ends: 873 [2018-12-01 22:20:15,557 INFO L631 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 [2018-12-01 22:20:15,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2018-12-01 22:20:15,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 724. [2018-12-01 22:20:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-12-01 22:20:15,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 903 transitions. [2018-12-01 22:20:15,591 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 903 transitions. Word has length 54 [2018-12-01 22:20:15,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:15,591 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 903 transitions. [2018-12-01 22:20:15,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 903 transitions. [2018-12-01 22:20:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 22:20:15,591 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:15,592 INFO L402 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] [2018-12-01 22:20:15,592 INFO L423 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:15,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:15,592 INFO L82 PathProgramCache]: Analyzing trace with hash -176201959, now seen corresponding path program 1 times [2018-12-01 22:20:15,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:15,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:15,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:15,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:15,593 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:15,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:15,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 22:20:15,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:15,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 22:20:15,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 22:20:15,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:20:15,648 INFO L87 Difference]: Start difference. First operand 724 states and 903 transitions. Second operand 8 states. [2018-12-01 22:20:15,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:15,708 INFO L93 Difference]: Finished difference Result 737 states and 915 transitions. [2018-12-01 22:20:15,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:20:15,708 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-12-01 22:20:15,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:15,710 INFO L225 Difference]: With dead ends: 737 [2018-12-01 22:20:15,710 INFO L226 Difference]: Without dead ends: 709 [2018-12-01 22:20:15,710 INFO L631 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 [2018-12-01 22:20:15,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-12-01 22:20:15,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2018-12-01 22:20:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2018-12-01 22:20:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 884 transitions. [2018-12-01 22:20:15,741 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 884 transitions. Word has length 55 [2018-12-01 22:20:15,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:15,741 INFO L480 AbstractCegarLoop]: Abstraction has 709 states and 884 transitions. [2018-12-01 22:20:15,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 22:20:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 884 transitions. [2018-12-01 22:20:15,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 22:20:15,742 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:15,742 INFO L402 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] [2018-12-01 22:20:15,742 INFO L423 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:15,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:15,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1078587775, now seen corresponding path program 1 times [2018-12-01 22:20:15,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:15,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:15,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:15,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:15,743 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:15,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:15,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:15,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:15,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:15,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:15,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:15,773 INFO L87 Difference]: Start difference. First operand 709 states and 884 transitions. Second operand 3 states. [2018-12-01 22:20:15,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:15,851 INFO L93 Difference]: Finished difference Result 1017 states and 1283 transitions. [2018-12-01 22:20:15,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:15,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-12-01 22:20:15,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:15,854 INFO L225 Difference]: With dead ends: 1017 [2018-12-01 22:20:15,854 INFO L226 Difference]: Without dead ends: 708 [2018-12-01 22:20:15,855 INFO L631 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 [2018-12-01 22:20:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2018-12-01 22:20:15,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2018-12-01 22:20:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2018-12-01 22:20:15,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 880 transitions. [2018-12-01 22:20:15,915 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 880 transitions. Word has length 58 [2018-12-01 22:20:15,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:15,916 INFO L480 AbstractCegarLoop]: Abstraction has 708 states and 880 transitions. [2018-12-01 22:20:15,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:15,916 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 880 transitions. [2018-12-01 22:20:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 22:20:15,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:15,917 INFO L402 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] [2018-12-01 22:20:15,917 INFO L423 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:15,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:15,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1567079756, now seen corresponding path program 1 times [2018-12-01 22:20:15,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:15,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:15,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:15,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:15,918 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:16,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:16,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:16,008 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:16,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:16,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:16,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:16,008 INFO L87 Difference]: Start difference. First operand 708 states and 880 transitions. Second operand 5 states. [2018-12-01 22:20:16,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:16,048 INFO L93 Difference]: Finished difference Result 967 states and 1215 transitions. [2018-12-01 22:20:16,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:16,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-01 22:20:16,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:16,050 INFO L225 Difference]: With dead ends: 967 [2018-12-01 22:20:16,050 INFO L226 Difference]: Without dead ends: 659 [2018-12-01 22:20:16,051 INFO L631 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 [2018-12-01 22:20:16,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2018-12-01 22:20:16,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2018-12-01 22:20:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2018-12-01 22:20:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 812 transitions. [2018-12-01 22:20:16,081 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 812 transitions. Word has length 64 [2018-12-01 22:20:16,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:16,081 INFO L480 AbstractCegarLoop]: Abstraction has 659 states and 812 transitions. [2018-12-01 22:20:16,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 812 transitions. [2018-12-01 22:20:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 22:20:16,082 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:16,082 INFO L402 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] [2018-12-01 22:20:16,082 INFO L423 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:16,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:16,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1911976301, now seen corresponding path program 1 times [2018-12-01 22:20:16,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:16,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:16,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:16,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:16,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:16,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:16,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 22:20:16,125 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:16,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 22:20:16,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 22:20:16,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:20:16,126 INFO L87 Difference]: Start difference. First operand 659 states and 812 transitions. Second operand 8 states. [2018-12-01 22:20:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:16,261 INFO L93 Difference]: Finished difference Result 673 states and 825 transitions. [2018-12-01 22:20:16,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:20:16,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-12-01 22:20:16,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:16,264 INFO L225 Difference]: With dead ends: 673 [2018-12-01 22:20:16,264 INFO L226 Difference]: Without dead ends: 655 [2018-12-01 22:20:16,264 INFO L631 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 [2018-12-01 22:20:16,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2018-12-01 22:20:16,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 655. [2018-12-01 22:20:16,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2018-12-01 22:20:16,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 806 transitions. [2018-12-01 22:20:16,314 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 806 transitions. Word has length 58 [2018-12-01 22:20:16,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:16,314 INFO L480 AbstractCegarLoop]: Abstraction has 655 states and 806 transitions. [2018-12-01 22:20:16,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 22:20:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 806 transitions. [2018-12-01 22:20:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 22:20:16,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:16,315 INFO L402 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] [2018-12-01 22:20:16,315 INFO L423 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:16,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:16,316 INFO L82 PathProgramCache]: Analyzing trace with hash 164533301, now seen corresponding path program 1 times [2018-12-01 22:20:16,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:16,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:16,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:16,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:16,317 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:16,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:16,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:20:16,379 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:16,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:20:16,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:20:16,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:20:16,379 INFO L87 Difference]: Start difference. First operand 655 states and 806 transitions. Second operand 6 states. [2018-12-01 22:20:16,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:16,445 INFO L93 Difference]: Finished difference Result 686 states and 837 transitions. [2018-12-01 22:20:16,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:20:16,445 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-01 22:20:16,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:16,447 INFO L225 Difference]: With dead ends: 686 [2018-12-01 22:20:16,448 INFO L226 Difference]: Without dead ends: 662 [2018-12-01 22:20:16,448 INFO L631 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 [2018-12-01 22:20:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2018-12-01 22:20:16,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 650. [2018-12-01 22:20:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2018-12-01 22:20:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 800 transitions. [2018-12-01 22:20:16,490 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 800 transitions. Word has length 60 [2018-12-01 22:20:16,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:16,490 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 800 transitions. [2018-12-01 22:20:16,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:20:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 800 transitions. [2018-12-01 22:20:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 22:20:16,491 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:16,492 INFO L402 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] [2018-12-01 22:20:16,492 INFO L423 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:16,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:16,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1431488997, now seen corresponding path program 1 times [2018-12-01 22:20:16,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:16,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:16,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:16,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:16,493 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:16,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:16,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:16,532 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:16,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:16,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:16,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:16,533 INFO L87 Difference]: Start difference. First operand 650 states and 800 transitions. Second operand 5 states. [2018-12-01 22:20:16,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:16,731 INFO L93 Difference]: Finished difference Result 909 states and 1129 transitions. [2018-12-01 22:20:16,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:16,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-12-01 22:20:16,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:16,734 INFO L225 Difference]: With dead ends: 909 [2018-12-01 22:20:16,734 INFO L226 Difference]: Without dead ends: 650 [2018-12-01 22:20:16,735 INFO L631 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 [2018-12-01 22:20:16,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2018-12-01 22:20:16,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2018-12-01 22:20:16,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2018-12-01 22:20:16,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 798 transitions. [2018-12-01 22:20:16,770 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 798 transitions. Word has length 68 [2018-12-01 22:20:16,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:16,771 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 798 transitions. [2018-12-01 22:20:16,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:16,771 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 798 transitions. [2018-12-01 22:20:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 22:20:16,772 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:16,772 INFO L402 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] [2018-12-01 22:20:16,772 INFO L423 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:16,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:16,773 INFO L82 PathProgramCache]: Analyzing trace with hash -50568226, now seen corresponding path program 1 times [2018-12-01 22:20:16,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:16,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:16,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:16,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:16,773 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:16,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:16,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:16,798 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:16,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:16,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:16,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:16,799 INFO L87 Difference]: Start difference. First operand 650 states and 798 transitions. Second operand 5 states. [2018-12-01 22:20:16,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:16,833 INFO L93 Difference]: Finished difference Result 769 states and 938 transitions. [2018-12-01 22:20:16,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:16,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-12-01 22:20:16,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:16,836 INFO L225 Difference]: With dead ends: 769 [2018-12-01 22:20:16,836 INFO L226 Difference]: Without dead ends: 656 [2018-12-01 22:20:16,836 INFO L631 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 [2018-12-01 22:20:16,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2018-12-01 22:20:16,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 654. [2018-12-01 22:20:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2018-12-01 22:20:16,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 802 transitions. [2018-12-01 22:20:16,863 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 802 transitions. Word has length 63 [2018-12-01 22:20:16,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:16,864 INFO L480 AbstractCegarLoop]: Abstraction has 654 states and 802 transitions. [2018-12-01 22:20:16,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:16,864 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 802 transitions. [2018-12-01 22:20:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 22:20:16,864 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:16,865 INFO L402 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] [2018-12-01 22:20:16,865 INFO L423 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:16,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:16,865 INFO L82 PathProgramCache]: Analyzing trace with hash -2065737955, now seen corresponding path program 1 times [2018-12-01 22:20:16,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:16,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:16,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:16,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:16,866 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:16,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:16,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:16,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:20:16,912 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:16,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:20:16,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:20:16,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:20:16,912 INFO L87 Difference]: Start difference. First operand 654 states and 802 transitions. Second operand 9 states. [2018-12-01 22:20:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:16,997 INFO L93 Difference]: Finished difference Result 908 states and 1096 transitions. [2018-12-01 22:20:16,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:20:16,998 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-12-01 22:20:16,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:17,000 INFO L225 Difference]: With dead ends: 908 [2018-12-01 22:20:17,000 INFO L226 Difference]: Without dead ends: 656 [2018-12-01 22:20:17,001 INFO L631 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 [2018-12-01 22:20:17,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2018-12-01 22:20:17,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 654. [2018-12-01 22:20:17,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2018-12-01 22:20:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 801 transitions. [2018-12-01 22:20:17,045 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 801 transitions. Word has length 63 [2018-12-01 22:20:17,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:17,046 INFO L480 AbstractCegarLoop]: Abstraction has 654 states and 801 transitions. [2018-12-01 22:20:17,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:20:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 801 transitions. [2018-12-01 22:20:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 22:20:17,047 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:17,047 INFO L402 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] [2018-12-01 22:20:17,047 INFO L423 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:17,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:17,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1277354668, now seen corresponding path program 1 times [2018-12-01 22:20:17,047 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:17,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:17,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,048 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:17,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:17,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:20:17,108 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:17,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:20:17,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:20:17,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:20:17,109 INFO L87 Difference]: Start difference. First operand 654 states and 801 transitions. Second operand 6 states. [2018-12-01 22:20:17,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:17,171 INFO L93 Difference]: Finished difference Result 672 states and 817 transitions. [2018-12-01 22:20:17,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:20:17,172 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-01 22:20:17,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:17,173 INFO L225 Difference]: With dead ends: 672 [2018-12-01 22:20:17,173 INFO L226 Difference]: Without dead ends: 646 [2018-12-01 22:20:17,174 INFO L631 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 [2018-12-01 22:20:17,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-12-01 22:20:17,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2018-12-01 22:20:17,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-12-01 22:20:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 791 transitions. [2018-12-01 22:20:17,200 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 791 transitions. Word has length 63 [2018-12-01 22:20:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:17,201 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 791 transitions. [2018-12-01 22:20:17,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:20:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 791 transitions. [2018-12-01 22:20:17,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 22:20:17,202 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:17,202 INFO L402 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] [2018-12-01 22:20:17,202 INFO L423 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:17,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:17,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1249549235, now seen corresponding path program 1 times [2018-12-01 22:20:17,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:17,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:17,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,203 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:17,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:17,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:17,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:17,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:17,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:17,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:17,223 INFO L87 Difference]: Start difference. First operand 646 states and 791 transitions. Second operand 3 states. [2018-12-01 22:20:17,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:17,275 INFO L93 Difference]: Finished difference Result 931 states and 1157 transitions. [2018-12-01 22:20:17,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:17,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-12-01 22:20:17,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:17,277 INFO L225 Difference]: With dead ends: 931 [2018-12-01 22:20:17,277 INFO L226 Difference]: Without dead ends: 672 [2018-12-01 22:20:17,278 INFO L631 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 [2018-12-01 22:20:17,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-12-01 22:20:17,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 646. [2018-12-01 22:20:17,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-12-01 22:20:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 791 transitions. [2018-12-01 22:20:17,305 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 791 transitions. Word has length 71 [2018-12-01 22:20:17,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:17,305 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 791 transitions. [2018-12-01 22:20:17,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 791 transitions. [2018-12-01 22:20:17,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 22:20:17,306 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:17,306 INFO L402 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] [2018-12-01 22:20:17,306 INFO L423 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:17,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:17,306 INFO L82 PathProgramCache]: Analyzing trace with hash 744486029, now seen corresponding path program 1 times [2018-12-01 22:20:17,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:17,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:17,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:17,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:17,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:20:17,353 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:17,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:20:17,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:20:17,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:20:17,353 INFO L87 Difference]: Start difference. First operand 646 states and 791 transitions. Second operand 6 states. [2018-12-01 22:20:17,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:17,417 INFO L93 Difference]: Finished difference Result 899 states and 1111 transitions. [2018-12-01 22:20:17,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:20:17,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-12-01 22:20:17,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:17,419 INFO L225 Difference]: With dead ends: 899 [2018-12-01 22:20:17,420 INFO L226 Difference]: Without dead ends: 673 [2018-12-01 22:20:17,420 INFO L631 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 [2018-12-01 22:20:17,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2018-12-01 22:20:17,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 646. [2018-12-01 22:20:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-12-01 22:20:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 789 transitions. [2018-12-01 22:20:17,464 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 789 transitions. Word has length 71 [2018-12-01 22:20:17,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:17,464 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 789 transitions. [2018-12-01 22:20:17,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:20:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 789 transitions. [2018-12-01 22:20:17,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 22:20:17,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:17,466 INFO L402 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] [2018-12-01 22:20:17,466 INFO L423 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:17,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:17,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1976935279, now seen corresponding path program 1 times [2018-12-01 22:20:17,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:17,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:17,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,467 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:17,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:17,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:20:17,517 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:17,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:20:17,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:20:17,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:20:17,518 INFO L87 Difference]: Start difference. First operand 646 states and 789 transitions. Second operand 9 states. [2018-12-01 22:20:17,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:17,654 INFO L93 Difference]: Finished difference Result 663 states and 806 transitions. [2018-12-01 22:20:17,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:20:17,655 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-12-01 22:20:17,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:17,656 INFO L225 Difference]: With dead ends: 663 [2018-12-01 22:20:17,656 INFO L226 Difference]: Without dead ends: 642 [2018-12-01 22:20:17,657 INFO L631 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 [2018-12-01 22:20:17,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2018-12-01 22:20:17,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2018-12-01 22:20:17,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2018-12-01 22:20:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 783 transitions. [2018-12-01 22:20:17,699 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 783 transitions. Word has length 63 [2018-12-01 22:20:17,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:17,699 INFO L480 AbstractCegarLoop]: Abstraction has 642 states and 783 transitions. [2018-12-01 22:20:17,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:20:17,699 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 783 transitions. [2018-12-01 22:20:17,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 22:20:17,700 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:17,700 INFO L402 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] [2018-12-01 22:20:17,701 INFO L423 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:17,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:17,701 INFO L82 PathProgramCache]: Analyzing trace with hash 35344969, now seen corresponding path program 1 times [2018-12-01 22:20:17,701 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:17,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:17,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,702 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:17,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:17,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:17,743 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:17,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:17,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:17,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:17,744 INFO L87 Difference]: Start difference. First operand 642 states and 783 transitions. Second operand 5 states. [2018-12-01 22:20:17,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:17,784 INFO L93 Difference]: Finished difference Result 652 states and 793 transitions. [2018-12-01 22:20:17,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:17,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-01 22:20:17,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:17,785 INFO L225 Difference]: With dead ends: 652 [2018-12-01 22:20:17,785 INFO L226 Difference]: Without dead ends: 627 [2018-12-01 22:20:17,786 INFO L631 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 [2018-12-01 22:20:17,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2018-12-01 22:20:17,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 622. [2018-12-01 22:20:17,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2018-12-01 22:20:17,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 761 transitions. [2018-12-01 22:20:17,811 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 761 transitions. Word has length 64 [2018-12-01 22:20:17,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:17,811 INFO L480 AbstractCegarLoop]: Abstraction has 622 states and 761 transitions. [2018-12-01 22:20:17,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:17,811 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 761 transitions. [2018-12-01 22:20:17,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 22:20:17,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:17,812 INFO L402 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] [2018-12-01 22:20:17,812 INFO L423 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:17,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:17,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1750125365, now seen corresponding path program 1 times [2018-12-01 22:20:17,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:17,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:17,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:17,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:17,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:17,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 22:20:17,843 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:17,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 22:20:17,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 22:20:17,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:20:17,844 INFO L87 Difference]: Start difference. First operand 622 states and 761 transitions. Second operand 8 states. [2018-12-01 22:20:17,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:17,959 INFO L93 Difference]: Finished difference Result 633 states and 771 transitions. [2018-12-01 22:20:17,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:20:17,959 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-12-01 22:20:17,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:17,961 INFO L225 Difference]: With dead ends: 633 [2018-12-01 22:20:17,961 INFO L226 Difference]: Without dead ends: 611 [2018-12-01 22:20:17,961 INFO L631 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 [2018-12-01 22:20:17,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2018-12-01 22:20:18,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2018-12-01 22:20:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2018-12-01 22:20:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 746 transitions. [2018-12-01 22:20:18,003 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 746 transitions. Word has length 64 [2018-12-01 22:20:18,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:18,004 INFO L480 AbstractCegarLoop]: Abstraction has 611 states and 746 transitions. [2018-12-01 22:20:18,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 22:20:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 746 transitions. [2018-12-01 22:20:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 22:20:18,005 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:18,005 INFO L402 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] [2018-12-01 22:20:18,005 INFO L423 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:18,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:18,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1236659943, now seen corresponding path program 1 times [2018-12-01 22:20:18,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:18,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:18,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:18,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:18,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:18,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:20:18,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:18,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:20:18,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:20:18,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:20:18,054 INFO L87 Difference]: Start difference. First operand 611 states and 746 transitions. Second operand 9 states. [2018-12-01 22:20:18,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:18,165 INFO L93 Difference]: Finished difference Result 628 states and 763 transitions. [2018-12-01 22:20:18,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:20:18,165 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-12-01 22:20:18,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:18,166 INFO L225 Difference]: With dead ends: 628 [2018-12-01 22:20:18,166 INFO L226 Difference]: Without dead ends: 606 [2018-12-01 22:20:18,167 INFO L631 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 [2018-12-01 22:20:18,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2018-12-01 22:20:18,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 606. [2018-12-01 22:20:18,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2018-12-01 22:20:18,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 739 transitions. [2018-12-01 22:20:18,197 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 739 transitions. Word has length 64 [2018-12-01 22:20:18,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:18,197 INFO L480 AbstractCegarLoop]: Abstraction has 606 states and 739 transitions. [2018-12-01 22:20:18,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:20:18,198 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 739 transitions. [2018-12-01 22:20:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 22:20:18,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:18,199 INFO L402 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] [2018-12-01 22:20:18,199 INFO L423 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:18,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:18,199 INFO L82 PathProgramCache]: Analyzing trace with hash 306548473, now seen corresponding path program 1 times [2018-12-01 22:20:18,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:18,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:18,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,200 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:18,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:18,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:20:18,272 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:18,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:20:18,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:20:18,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:20:18,272 INFO L87 Difference]: Start difference. First operand 606 states and 739 transitions. Second operand 9 states. [2018-12-01 22:20:18,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:18,415 INFO L93 Difference]: Finished difference Result 623 states and 756 transitions. [2018-12-01 22:20:18,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:20:18,415 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-12-01 22:20:18,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:18,416 INFO L225 Difference]: With dead ends: 623 [2018-12-01 22:20:18,416 INFO L226 Difference]: Without dead ends: 602 [2018-12-01 22:20:18,417 INFO L631 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 [2018-12-01 22:20:18,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2018-12-01 22:20:18,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2018-12-01 22:20:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-12-01 22:20:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 733 transitions. [2018-12-01 22:20:18,443 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 733 transitions. Word has length 64 [2018-12-01 22:20:18,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:18,443 INFO L480 AbstractCegarLoop]: Abstraction has 602 states and 733 transitions. [2018-12-01 22:20:18,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:20:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 733 transitions. [2018-12-01 22:20:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 22:20:18,443 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:18,443 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:20:18,444 INFO L423 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:18,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:18,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1598103975, now seen corresponding path program 1 times [2018-12-01 22:20:18,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:18,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:18,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,444 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:18,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:18,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:20:18,472 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:18,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:20:18,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:20:18,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:20:18,473 INFO L87 Difference]: Start difference. First operand 602 states and 733 transitions. Second operand 3 states. [2018-12-01 22:20:18,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:18,516 INFO L93 Difference]: Finished difference Result 959 states and 1180 transitions. [2018-12-01 22:20:18,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:20:18,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-12-01 22:20:18,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:18,518 INFO L225 Difference]: With dead ends: 959 [2018-12-01 22:20:18,518 INFO L226 Difference]: Without dead ends: 706 [2018-12-01 22:20:18,519 INFO L631 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 [2018-12-01 22:20:18,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2018-12-01 22:20:18,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 676. [2018-12-01 22:20:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-12-01 22:20:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 827 transitions. [2018-12-01 22:20:18,566 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 827 transitions. Word has length 73 [2018-12-01 22:20:18,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:18,566 INFO L480 AbstractCegarLoop]: Abstraction has 676 states and 827 transitions. [2018-12-01 22:20:18,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:20:18,567 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 827 transitions. [2018-12-01 22:20:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 22:20:18,567 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:18,568 INFO L402 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] [2018-12-01 22:20:18,568 INFO L423 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:18,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:18,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1910214120, now seen corresponding path program 1 times [2018-12-01 22:20:18,568 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:18,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:18,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,569 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:18,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:18,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:20:18,621 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:18,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:20:18,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:20:18,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:20:18,621 INFO L87 Difference]: Start difference. First operand 676 states and 827 transitions. Second operand 9 states. [2018-12-01 22:20:18,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:18,773 INFO L93 Difference]: Finished difference Result 693 states and 844 transitions. [2018-12-01 22:20:18,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:20:18,773 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-12-01 22:20:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:18,775 INFO L225 Difference]: With dead ends: 693 [2018-12-01 22:20:18,775 INFO L226 Difference]: Without dead ends: 650 [2018-12-01 22:20:18,776 INFO L631 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 [2018-12-01 22:20:18,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2018-12-01 22:20:18,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2018-12-01 22:20:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2018-12-01 22:20:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 795 transitions. [2018-12-01 22:20:18,819 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 795 transitions. Word has length 68 [2018-12-01 22:20:18,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:18,820 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 795 transitions. [2018-12-01 22:20:18,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:20:18,820 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 795 transitions. [2018-12-01 22:20:18,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 22:20:18,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:18,821 INFO L402 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] [2018-12-01 22:20:18,821 INFO L423 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:18,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:18,821 INFO L82 PathProgramCache]: Analyzing trace with hash -786114863, now seen corresponding path program 1 times [2018-12-01 22:20:18,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:18,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:18,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,822 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:18,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:18,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:20:18,892 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:18,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:20:18,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:20:18,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:20:18,893 INFO L87 Difference]: Start difference. First operand 650 states and 795 transitions. Second operand 9 states. [2018-12-01 22:20:18,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:18,953 INFO L93 Difference]: Finished difference Result 778 states and 943 transitions. [2018-12-01 22:20:18,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:20:18,954 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-12-01 22:20:18,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:18,955 INFO L225 Difference]: With dead ends: 778 [2018-12-01 22:20:18,955 INFO L226 Difference]: Without dead ends: 658 [2018-12-01 22:20:18,955 INFO L631 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 [2018-12-01 22:20:18,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2018-12-01 22:20:18,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 656. [2018-12-01 22:20:18,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2018-12-01 22:20:18,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 802 transitions. [2018-12-01 22:20:18,981 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 802 transitions. Word has length 76 [2018-12-01 22:20:18,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:18,982 INFO L480 AbstractCegarLoop]: Abstraction has 656 states and 802 transitions. [2018-12-01 22:20:18,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:20:18,982 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 802 transitions. [2018-12-01 22:20:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 22:20:18,982 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:18,982 INFO L402 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] [2018-12-01 22:20:18,983 INFO L423 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:18,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:18,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1499030864, now seen corresponding path program 1 times [2018-12-01 22:20:18,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:18,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:18,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:18,983 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:19,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:19,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:19,011 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:19,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:19,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:19,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:19,011 INFO L87 Difference]: Start difference. First operand 656 states and 802 transitions. Second operand 5 states. [2018-12-01 22:20:19,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:19,048 INFO L93 Difference]: Finished difference Result 754 states and 914 transitions. [2018-12-01 22:20:19,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:20:19,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-12-01 22:20:19,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:19,050 INFO L225 Difference]: With dead ends: 754 [2018-12-01 22:20:19,050 INFO L226 Difference]: Without dead ends: 614 [2018-12-01 22:20:19,050 INFO L631 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 [2018-12-01 22:20:19,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2018-12-01 22:20:19,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 610. [2018-12-01 22:20:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2018-12-01 22:20:19,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 741 transitions. [2018-12-01 22:20:19,076 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 741 transitions. Word has length 76 [2018-12-01 22:20:19,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:19,076 INFO L480 AbstractCegarLoop]: Abstraction has 610 states and 741 transitions. [2018-12-01 22:20:19,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:19,076 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 741 transitions. [2018-12-01 22:20:19,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 22:20:19,077 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:19,077 INFO L402 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] [2018-12-01 22:20:19,077 INFO L423 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:19,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:19,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1316556743, now seen corresponding path program 1 times [2018-12-01 22:20:19,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:19,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:19,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:19,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:19,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:19,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:19,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:20:19,134 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:19,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:20:19,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:20:19,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:20:19,135 INFO L87 Difference]: Start difference. First operand 610 states and 741 transitions. Second operand 7 states. [2018-12-01 22:20:19,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:19,573 INFO L93 Difference]: Finished difference Result 914 states and 1119 transitions. [2018-12-01 22:20:19,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 22:20:19,574 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-12-01 22:20:19,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:19,575 INFO L225 Difference]: With dead ends: 914 [2018-12-01 22:20:19,575 INFO L226 Difference]: Without dead ends: 605 [2018-12-01 22:20:19,576 INFO L631 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 [2018-12-01 22:20:19,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2018-12-01 22:20:19,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 594. [2018-12-01 22:20:19,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2018-12-01 22:20:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 716 transitions. [2018-12-01 22:20:19,603 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 716 transitions. Word has length 82 [2018-12-01 22:20:19,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:19,603 INFO L480 AbstractCegarLoop]: Abstraction has 594 states and 716 transitions. [2018-12-01 22:20:19,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:20:19,603 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 716 transitions. [2018-12-01 22:20:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 22:20:19,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:19,604 INFO L402 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] [2018-12-01 22:20:19,604 INFO L423 AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:19,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:19,604 INFO L82 PathProgramCache]: Analyzing trace with hash 802319255, now seen corresponding path program 1 times [2018-12-01 22:20:19,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:19,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:19,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:19,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:19,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:19,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:19,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:19,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:20:19,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:19,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:20:19,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:20:19,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:20:19,652 INFO L87 Difference]: Start difference. First operand 594 states and 716 transitions. Second operand 6 states. [2018-12-01 22:20:19,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:19,724 INFO L93 Difference]: Finished difference Result 911 states and 1128 transitions. [2018-12-01 22:20:19,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:20:19,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-01 22:20:19,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:19,726 INFO L225 Difference]: With dead ends: 911 [2018-12-01 22:20:19,726 INFO L226 Difference]: Without dead ends: 657 [2018-12-01 22:20:19,727 INFO L631 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 [2018-12-01 22:20:19,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2018-12-01 22:20:19,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 560. [2018-12-01 22:20:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2018-12-01 22:20:19,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 672 transitions. [2018-12-01 22:20:19,752 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 672 transitions. Word has length 83 [2018-12-01 22:20:19,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:19,753 INFO L480 AbstractCegarLoop]: Abstraction has 560 states and 672 transitions. [2018-12-01 22:20:19,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:20:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 672 transitions. [2018-12-01 22:20:19,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 22:20:19,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:19,753 INFO L402 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] [2018-12-01 22:20:19,753 INFO L423 AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:19,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:19,754 INFO L82 PathProgramCache]: Analyzing trace with hash -159852298, now seen corresponding path program 1 times [2018-12-01 22:20:19,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:19,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:19,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:19,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:19,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:19,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:19,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:20:19,776 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:19,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:20:19,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:20:19,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:20:19,777 INFO L87 Difference]: Start difference. First operand 560 states and 672 transitions. Second operand 5 states. [2018-12-01 22:20:20,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:20,006 INFO L93 Difference]: Finished difference Result 1002 states and 1182 transitions. [2018-12-01 22:20:20,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:20:20,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-12-01 22:20:20,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:20,007 INFO L225 Difference]: With dead ends: 1002 [2018-12-01 22:20:20,007 INFO L226 Difference]: Without dead ends: 622 [2018-12-01 22:20:20,008 INFO L631 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 [2018-12-01 22:20:20,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2018-12-01 22:20:20,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 599. [2018-12-01 22:20:20,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2018-12-01 22:20:20,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 706 transitions. [2018-12-01 22:20:20,050 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 706 transitions. Word has length 78 [2018-12-01 22:20:20,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:20,050 INFO L480 AbstractCegarLoop]: Abstraction has 599 states and 706 transitions. [2018-12-01 22:20:20,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:20:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 706 transitions. [2018-12-01 22:20:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 22:20:20,051 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:20,051 INFO L402 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] [2018-12-01 22:20:20,051 INFO L423 AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:20,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:20,051 INFO L82 PathProgramCache]: Analyzing trace with hash 117807819, now seen corresponding path program 1 times [2018-12-01 22:20:20,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:20,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:20,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:20,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:20,052 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:20,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:20,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:20,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:20:20,088 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:20,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:20:20,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:20:20,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:20:20,089 INFO L87 Difference]: Start difference. First operand 599 states and 706 transitions. Second operand 9 states. [2018-12-01 22:20:20,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:20,187 INFO L93 Difference]: Finished difference Result 601 states and 707 transitions. [2018-12-01 22:20:20,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:20:20,188 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2018-12-01 22:20:20,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:20,188 INFO L225 Difference]: With dead ends: 601 [2018-12-01 22:20:20,188 INFO L226 Difference]: Without dead ends: 534 [2018-12-01 22:20:20,189 INFO L631 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 [2018-12-01 22:20:20,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2018-12-01 22:20:20,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 534. [2018-12-01 22:20:20,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2018-12-01 22:20:20,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 631 transitions. [2018-12-01 22:20:20,214 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 631 transitions. Word has length 81 [2018-12-01 22:20:20,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:20,214 INFO L480 AbstractCegarLoop]: Abstraction has 534 states and 631 transitions. [2018-12-01 22:20:20,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:20:20,214 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 631 transitions. [2018-12-01 22:20:20,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 22:20:20,214 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:20,215 INFO L402 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] [2018-12-01 22:20:20,215 INFO L423 AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:20,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:20,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1402034191, now seen corresponding path program 1 times [2018-12-01 22:20:20,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:20,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:20,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:20,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:20,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:20:20,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:20:20,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:20:20,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:20:20,263 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:20:20,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:20:20,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:20:20,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:20:20,264 INFO L87 Difference]: Start difference. First operand 534 states and 631 transitions. Second operand 9 states. [2018-12-01 22:20:20,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:20:20,357 INFO L93 Difference]: Finished difference Result 561 states and 659 transitions. [2018-12-01 22:20:20,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:20:20,357 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-01 22:20:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:20:20,358 INFO L225 Difference]: With dead ends: 561 [2018-12-01 22:20:20,358 INFO L226 Difference]: Without dead ends: 540 [2018-12-01 22:20:20,358 INFO L631 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 [2018-12-01 22:20:20,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-12-01 22:20:20,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 534. [2018-12-01 22:20:20,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2018-12-01 22:20:20,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 630 transitions. [2018-12-01 22:20:20,384 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 630 transitions. Word has length 88 [2018-12-01 22:20:20,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:20:20,384 INFO L480 AbstractCegarLoop]: Abstraction has 534 states and 630 transitions. [2018-12-01 22:20:20,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:20:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 630 transitions. [2018-12-01 22:20:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 22:20:20,385 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:20:20,385 INFO L402 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] [2018-12-01 22:20:20,385 INFO L423 AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:20:20,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:20:20,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1477382501, now seen corresponding path program 1 times [2018-12-01 22:20:20,386 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:20:20,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:20,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:20:20,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:20:20,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:20:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:20:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:20:20,460 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 22:20:20,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:20:20 BoogieIcfgContainer [2018-12-01 22:20:20,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:20:20,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:20:20,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:20:20,535 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:20:20,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:20:09" (3/4) ... [2018-12-01 22:20:20,536 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 22:20:20,609 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d0ed50d0-64ee-4a8b-a5f5-f20561925907/bin-2019/utaipan/witness.graphml [2018-12-01 22:20:20,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:20:20,609 INFO L168 Benchmark]: Toolchain (without parser) took 12331.47 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 499.6 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -100.3 MB). Peak memory consumption was 399.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:20:20,610 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:20:20,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-12-01 22:20:20,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:20:20,611 INFO L168 Benchmark]: Boogie Preprocessor took 35.36 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:20:20,611 INFO L168 Benchmark]: RCFGBuilder took 574.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 114.8 MB). Peak memory consumption was 114.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:20:20,611 INFO L168 Benchmark]: TraceAbstraction took 11293.72 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 368.6 MB). Free memory was 999.2 MB in the beginning and 1.1 GB in the end (delta: -74.4 MB). Peak memory consumption was 294.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:20:20,611 INFO L168 Benchmark]: Witness Printer took 74.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:20:20,612 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.36 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 574.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 114.8 MB). Peak memory consumption was 114.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11293.72 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 368.6 MB). Free memory was 999.2 MB in the beginning and 1.1 GB in the end (delta: -74.4 MB). Peak memory consumption was 294.2 MB. Max. memory is 11.5 GB. * Witness Printer took 74.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 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] 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] RET _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [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] 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] RET stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [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] 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] RET, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] 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] RET KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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] 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] RET, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=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] 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] RET, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=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, 416 locations, 1 error locations. UNSAFE Result, 11.2s OverallTime, 54 OverallIterations, 1 TraceHistogramMax, 6.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24384 SDtfs, 9872 SDslu, 68148 SDs, 0 SdLazy, 7508 SolverSat, 1631 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 397 GetRequests, 123 SyntacticMatches, 11 SemanticMatches, 263 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1015occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 53 MinimizatonAttempts, 1624 StatesRemovedByMinimization, 34 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3032 NumberOfCodeBlocks, 3032 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 2894 ConstructedInterpolants, 0 QuantifiedInterpolants, 297617 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 53 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...