./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/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_15184e0e-9c99-4b04-9411-83a0b8275e5f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/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 0.1.23-1dbac8b [2018-10-27 00:54:58,341 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:54:58,343 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:54:58,355 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:54:58,355 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:54:58,356 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:54:58,357 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:54:58,359 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:54:58,361 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:54:58,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:54:58,364 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:54:58,364 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:54:58,365 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:54:58,366 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:54:58,367 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:54:58,368 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:54:58,369 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:54:58,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:54:58,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:54:58,375 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:54:58,376 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:54:58,377 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:54:58,379 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:54:58,380 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:54:58,380 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:54:58,381 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:54:58,383 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:54:58,383 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:54:58,384 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:54:58,386 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:54:58,386 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:54:58,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:54:58,387 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:54:58,387 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:54:58,388 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:54:58,389 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:54:58,390 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:54:58,403 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:54:58,404 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:54:58,404 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:54:58,405 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:54:58,405 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:54:58,405 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:54:58,406 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:54:58,406 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:54:58,406 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:54:58,406 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:54:58,406 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:54:58,407 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:54:58,407 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:54:58,407 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:54:58,408 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:54:58,408 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:54:58,408 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:54:58,408 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:54:58,408 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:54:58,408 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:54:58,409 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:54:58,411 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:54:58,411 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:54:58,411 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:54:58,411 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:54:58,412 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:54:58,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:54:58,412 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:54:58,412 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:54:58,412 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:54:58,412 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:54:58,413 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:54:58,413 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:54:58,413 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:54:58,413 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_15184e0e-9c99-4b04-9411-83a0b8275e5f/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 [2018-10-27 00:54:58,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:54:58,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:54:58,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:54:58,463 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:54:58,464 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:54:58,464 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/bin-2019/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-27 00:54:58,518 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/bin-2019/utaipan/data/b29365184/5391b1badea54d8cb563f58b812aaf13/FLAGb03e5ee22 [2018-10-27 00:54:58,952 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:54:58,953 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-27 00:54:58,968 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/bin-2019/utaipan/data/b29365184/5391b1badea54d8cb563f58b812aaf13/FLAGb03e5ee22 [2018-10-27 00:54:58,984 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/bin-2019/utaipan/data/b29365184/5391b1badea54d8cb563f58b812aaf13 [2018-10-27 00:54:58,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:54:58,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:54:58,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:54:58,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:54:58,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:54:58,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:54:58" (1/1) ... [2018-10-27 00:54:58,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28288670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:58, skipping insertion in model container [2018-10-27 00:54:59,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:54:58" (1/1) ... [2018-10-27 00:54:59,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:54:59,067 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:54:59,467 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:54:59,472 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:54:59,583 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:54:59,622 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:54:59,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59 WrapperNode [2018-10-27 00:54:59,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:54:59,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:54:59,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:54:59,624 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:54:59,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (1/1) ... [2018-10-27 00:54:59,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (1/1) ... [2018-10-27 00:54:59,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:54:59,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:54:59,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:54:59,780 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:54:59,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (1/1) ... [2018-10-27 00:54:59,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (1/1) ... [2018-10-27 00:54:59,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (1/1) ... [2018-10-27 00:54:59,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (1/1) ... [2018-10-27 00:54:59,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (1/1) ... [2018-10-27 00:54:59,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (1/1) ... [2018-10-27 00:54:59,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (1/1) ... [2018-10-27 00:54:59,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:54:59,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:54:59,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:54:59,851 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:54:59,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/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 [2018-10-27 00:54:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-10-27 00:54:59,923 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-10-27 00:54:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-10-27 00:54:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-10-27 00:54:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-10-27 00:54:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-10-27 00:54:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-10-27 00:54:59,925 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-10-27 00:54:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:54:59,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:54:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-10-27 00:54:59,926 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-10-27 00:54:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-10-27 00:54:59,926 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-10-27 00:54:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-10-27 00:54:59,926 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-10-27 00:54:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-10-27 00:54:59,926 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-10-27 00:54:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-10-27 00:54:59,927 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-10-27 00:54:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-10-27 00:54:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-10-27 00:54:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-10-27 00:54:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-10-27 00:54:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-10-27 00:54:59,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-10-27 00:54:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-10-27 00:54:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-10-27 00:54:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-10-27 00:54:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-10-27 00:54:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-10-27 00:54:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-10-27 00:54:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-10-27 00:54:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-10-27 00:54:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-10-27 00:54:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-10-27 00:54:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-10-27 00:54:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-10-27 00:54:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-10-27 00:54:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-10-27 00:54:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-10-27 00:54:59,935 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-10-27 00:54:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:54:59,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:54:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-10-27 00:54:59,936 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-10-27 00:54:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-10-27 00:54:59,936 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-10-27 00:54:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-10-27 00:54:59,936 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-10-27 00:54:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:54:59,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:54:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-10-27 00:54:59,937 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-10-27 00:54:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-10-27 00:54:59,937 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-10-27 00:54:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-10-27 00:54:59,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-10-27 00:55:00,273 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:00,273 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:00,484 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:00,484 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:00,589 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:00,589 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:01,033 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:01,034 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:01,422 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:01,423 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:01,485 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:01,485 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:01,572 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:01,573 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:01,590 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:01,590 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:01,728 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:01,729 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:01,859 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:01,860 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:02,752 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:02,753 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:02,757 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:02,757 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:02,825 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 00:55:02,825 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 00:55:02,838 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:55:02,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:55:02 BoogieIcfgContainer [2018-10-27 00:55:02,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:55:02,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:55:02,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:55:02,842 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:55:02,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:54:58" (1/3) ... [2018-10-27 00:55:02,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24233ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:55:02, skipping insertion in model container [2018-10-27 00:55:02,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:59" (2/3) ... [2018-10-27 00:55:02,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24233ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:55:02, skipping insertion in model container [2018-10-27 00:55:02,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:55:02" (3/3) ... [2018-10-27 00:55:02,847 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-27 00:55:02,854 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:55:02,862 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:55:02,878 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:55:02,915 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:55:02,916 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:55:02,916 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:55:02,916 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:55:02,916 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:55:02,916 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:55:02,916 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:55:02,916 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:55:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states. [2018-10-27 00:55:02,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 00:55:02,951 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:02,952 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:02,955 INFO L424 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:02,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:02,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1363723798, now seen corresponding path program 1 times [2018-10-27 00:55:02,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:03,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:03,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:03,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:03,013 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:03,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:03,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:03,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:03,237 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:03,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:03,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:03,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:03,255 INFO L87 Difference]: Start difference. First operand 391 states. Second operand 3 states. [2018-10-27 00:55:03,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:03,496 INFO L93 Difference]: Finished difference Result 628 states and 915 transitions. [2018-10-27 00:55:03,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:03,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-10-27 00:55:03,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:03,516 INFO L225 Difference]: With dead ends: 628 [2018-10-27 00:55:03,516 INFO L226 Difference]: Without dead ends: 383 [2018-10-27 00:55:03,523 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:03,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-10-27 00:55:03,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2018-10-27 00:55:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-27 00:55:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 527 transitions. [2018-10-27 00:55:03,602 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 527 transitions. Word has length 20 [2018-10-27 00:55:03,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:03,602 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 527 transitions. [2018-10-27 00:55:03,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:03,603 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 527 transitions. [2018-10-27 00:55:03,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 00:55:03,604 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:03,605 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:03,606 INFO L424 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:03,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:03,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1818717485, now seen corresponding path program 1 times [2018-10-27 00:55:03,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:03,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:03,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:03,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:03,608 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:03,851 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-27 00:55:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:04,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:04,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:04,012 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:04,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:04,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:04,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:04,018 INFO L87 Difference]: Start difference. First operand 383 states and 527 transitions. Second operand 3 states. [2018-10-27 00:55:04,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:04,621 INFO L93 Difference]: Finished difference Result 708 states and 962 transitions. [2018-10-27 00:55:04,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:04,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-10-27 00:55:04,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:04,628 INFO L225 Difference]: With dead ends: 708 [2018-10-27 00:55:04,628 INFO L226 Difference]: Without dead ends: 542 [2018-10-27 00:55:04,636 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:04,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-10-27 00:55:04,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 523. [2018-10-27 00:55:04,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-10-27 00:55:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 711 transitions. [2018-10-27 00:55:04,729 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 711 transitions. Word has length 25 [2018-10-27 00:55:04,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:04,730 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 711 transitions. [2018-10-27 00:55:04,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 711 transitions. [2018-10-27 00:55:04,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:55:04,734 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:04,734 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:04,735 INFO L424 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:04,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:04,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1022871450, now seen corresponding path program 1 times [2018-10-27 00:55:04,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:04,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:04,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:04,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:04,737 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:04,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:04,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:04,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:04,880 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:04,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:04,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:04,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:04,881 INFO L87 Difference]: Start difference. First operand 523 states and 711 transitions. Second operand 3 states. [2018-10-27 00:55:05,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:05,008 INFO L93 Difference]: Finished difference Result 648 states and 868 transitions. [2018-10-27 00:55:05,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:05,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-10-27 00:55:05,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:05,015 INFO L225 Difference]: With dead ends: 648 [2018-10-27 00:55:05,015 INFO L226 Difference]: Without dead ends: 627 [2018-10-27 00:55:05,016 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:05,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2018-10-27 00:55:05,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 587. [2018-10-27 00:55:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-10-27 00:55:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 794 transitions. [2018-10-27 00:55:05,062 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 794 transitions. Word has length 31 [2018-10-27 00:55:05,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:05,062 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 794 transitions. [2018-10-27 00:55:05,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:05,063 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 794 transitions. [2018-10-27 00:55:05,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-27 00:55:05,064 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:05,064 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:05,065 INFO L424 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:05,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:05,066 INFO L82 PathProgramCache]: Analyzing trace with hash 582638703, now seen corresponding path program 1 times [2018-10-27 00:55:05,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:05,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:05,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:05,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:05,068 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:05,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:05,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:05,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:05,160 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:05,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:05,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:05,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:05,161 INFO L87 Difference]: Start difference. First operand 587 states and 794 transitions. Second operand 3 states. [2018-10-27 00:55:05,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:05,230 INFO L93 Difference]: Finished difference Result 1102 states and 1485 transitions. [2018-10-27 00:55:05,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:05,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-10-27 00:55:05,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:05,237 INFO L225 Difference]: With dead ends: 1102 [2018-10-27 00:55:05,237 INFO L226 Difference]: Without dead ends: 800 [2018-10-27 00:55:05,239 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:05,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-10-27 00:55:05,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 771. [2018-10-27 00:55:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-10-27 00:55:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1046 transitions. [2018-10-27 00:55:05,325 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1046 transitions. Word has length 33 [2018-10-27 00:55:05,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:05,329 INFO L481 AbstractCegarLoop]: Abstraction has 771 states and 1046 transitions. [2018-10-27 00:55:05,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:05,329 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1046 transitions. [2018-10-27 00:55:05,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-27 00:55:05,331 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:05,332 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:05,332 INFO L424 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:05,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:05,332 INFO L82 PathProgramCache]: Analyzing trace with hash 590560547, now seen corresponding path program 1 times [2018-10-27 00:55:05,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:05,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:05,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:05,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:05,346 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:05,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:05,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:05,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:05,460 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:05,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:05,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:05,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:05,463 INFO L87 Difference]: Start difference. First operand 771 states and 1046 transitions. Second operand 3 states. [2018-10-27 00:55:06,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:06,096 INFO L93 Difference]: Finished difference Result 815 states and 1100 transitions. [2018-10-27 00:55:06,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:06,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-10-27 00:55:06,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:06,107 INFO L225 Difference]: With dead ends: 815 [2018-10-27 00:55:06,107 INFO L226 Difference]: Without dead ends: 810 [2018-10-27 00:55:06,108 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:06,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-10-27 00:55:06,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 806. [2018-10-27 00:55:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-10-27 00:55:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1090 transitions. [2018-10-27 00:55:06,154 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1090 transitions. Word has length 38 [2018-10-27 00:55:06,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:06,154 INFO L481 AbstractCegarLoop]: Abstraction has 806 states and 1090 transitions. [2018-10-27 00:55:06,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:06,155 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1090 transitions. [2018-10-27 00:55:06,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-27 00:55:06,156 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:06,156 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:06,156 INFO L424 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:06,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:06,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1817879655, now seen corresponding path program 1 times [2018-10-27 00:55:06,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:06,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:06,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:06,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:06,161 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:06,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:06,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:06,360 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:06,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:06,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:06,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:06,361 INFO L87 Difference]: Start difference. First operand 806 states and 1090 transitions. Second operand 3 states. [2018-10-27 00:55:07,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:07,087 INFO L93 Difference]: Finished difference Result 821 states and 1110 transitions. [2018-10-27 00:55:07,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:07,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-10-27 00:55:07,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:07,094 INFO L225 Difference]: With dead ends: 821 [2018-10-27 00:55:07,094 INFO L226 Difference]: Without dead ends: 818 [2018-10-27 00:55:07,095 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:07,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-10-27 00:55:07,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 817. [2018-10-27 00:55:07,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-10-27 00:55:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1104 transitions. [2018-10-27 00:55:07,138 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1104 transitions. Word has length 38 [2018-10-27 00:55:07,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:07,138 INFO L481 AbstractCegarLoop]: Abstraction has 817 states and 1104 transitions. [2018-10-27 00:55:07,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1104 transitions. [2018-10-27 00:55:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 00:55:07,140 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:07,140 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:07,140 INFO L424 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:07,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:07,141 INFO L82 PathProgramCache]: Analyzing trace with hash 2050678180, now seen corresponding path program 1 times [2018-10-27 00:55:07,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:07,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:07,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:07,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:07,145 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:07,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:07,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:07,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:07,403 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:07,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:07,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:07,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:07,404 INFO L87 Difference]: Start difference. First operand 817 states and 1104 transitions. Second operand 5 states. [2018-10-27 00:55:07,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:07,794 INFO L93 Difference]: Finished difference Result 830 states and 1118 transitions. [2018-10-27 00:55:07,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:07,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-10-27 00:55:07,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:07,799 INFO L225 Difference]: With dead ends: 830 [2018-10-27 00:55:07,799 INFO L226 Difference]: Without dead ends: 815 [2018-10-27 00:55:07,800 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:07,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-10-27 00:55:07,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 815. [2018-10-27 00:55:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2018-10-27 00:55:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1100 transitions. [2018-10-27 00:55:07,841 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1100 transitions. Word has length 40 [2018-10-27 00:55:07,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:07,842 INFO L481 AbstractCegarLoop]: Abstraction has 815 states and 1100 transitions. [2018-10-27 00:55:07,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1100 transitions. [2018-10-27 00:55:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-27 00:55:07,843 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:07,843 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:07,843 INFO L424 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:07,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:07,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1580109025, now seen corresponding path program 1 times [2018-10-27 00:55:07,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:07,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:07,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:07,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:07,847 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:08,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:08,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:08,103 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:08,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:08,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:08,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:08,104 INFO L87 Difference]: Start difference. First operand 815 states and 1100 transitions. Second operand 5 states. [2018-10-27 00:55:08,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:08,471 INFO L93 Difference]: Finished difference Result 828 states and 1114 transitions. [2018-10-27 00:55:08,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:08,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-10-27 00:55:08,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:08,476 INFO L225 Difference]: With dead ends: 828 [2018-10-27 00:55:08,476 INFO L226 Difference]: Without dead ends: 808 [2018-10-27 00:55:08,477 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:08,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2018-10-27 00:55:08,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2018-10-27 00:55:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-10-27 00:55:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1091 transitions. [2018-10-27 00:55:08,512 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1091 transitions. Word has length 39 [2018-10-27 00:55:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:08,513 INFO L481 AbstractCegarLoop]: Abstraction has 808 states and 1091 transitions. [2018-10-27 00:55:08,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1091 transitions. [2018-10-27 00:55:08,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 00:55:08,515 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:08,515 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:08,515 INFO L424 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:08,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:08,516 INFO L82 PathProgramCache]: Analyzing trace with hash 581452453, now seen corresponding path program 1 times [2018-10-27 00:55:08,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:08,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:08,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:08,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:08,517 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:08,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:08,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:08,679 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:08,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:08,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:08,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:08,680 INFO L87 Difference]: Start difference. First operand 808 states and 1091 transitions. Second operand 5 states. [2018-10-27 00:55:08,938 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-10-27 00:55:10,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:10,966 INFO L93 Difference]: Finished difference Result 821 states and 1103 transitions. [2018-10-27 00:55:10,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:10,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-10-27 00:55:10,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:10,972 INFO L225 Difference]: With dead ends: 821 [2018-10-27 00:55:10,972 INFO L226 Difference]: Without dead ends: 812 [2018-10-27 00:55:10,973 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:10,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-10-27 00:55:11,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 808. [2018-10-27 00:55:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-10-27 00:55:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1089 transitions. [2018-10-27 00:55:11,014 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1089 transitions. Word has length 43 [2018-10-27 00:55:11,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:11,015 INFO L481 AbstractCegarLoop]: Abstraction has 808 states and 1089 transitions. [2018-10-27 00:55:11,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1089 transitions. [2018-10-27 00:55:11,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-27 00:55:11,016 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:11,016 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:11,016 INFO L424 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:11,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:11,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1124998528, now seen corresponding path program 1 times [2018-10-27 00:55:11,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:11,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:11,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:11,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:11,021 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:11,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:11,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:55:11,264 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:11,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:55:11,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:55:11,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:55:11,268 INFO L87 Difference]: Start difference. First operand 808 states and 1089 transitions. Second operand 4 states. [2018-10-27 00:55:11,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:11,785 INFO L93 Difference]: Finished difference Result 836 states and 1122 transitions. [2018-10-27 00:55:11,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:55:11,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-10-27 00:55:11,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:11,791 INFO L225 Difference]: With dead ends: 836 [2018-10-27 00:55:11,792 INFO L226 Difference]: Without dead ends: 814 [2018-10-27 00:55:11,792 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:11,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-10-27 00:55:11,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 810. [2018-10-27 00:55:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2018-10-27 00:55:11,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1091 transitions. [2018-10-27 00:55:11,836 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1091 transitions. Word has length 42 [2018-10-27 00:55:11,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:11,839 INFO L481 AbstractCegarLoop]: Abstraction has 810 states and 1091 transitions. [2018-10-27 00:55:11,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:55:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1091 transitions. [2018-10-27 00:55:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 00:55:11,842 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:11,842 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:11,842 INFO L424 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:11,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:11,843 INFO L82 PathProgramCache]: Analyzing trace with hash 195281538, now seen corresponding path program 1 times [2018-10-27 00:55:11,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:11,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:11,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:11,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:11,844 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:11,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:11,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:11,959 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:11,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:11,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:11,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:11,960 INFO L87 Difference]: Start difference. First operand 810 states and 1091 transitions. Second operand 3 states. [2018-10-27 00:55:12,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:12,886 INFO L93 Difference]: Finished difference Result 1194 states and 1622 transitions. [2018-10-27 00:55:12,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:12,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-10-27 00:55:12,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:12,892 INFO L225 Difference]: With dead ends: 1194 [2018-10-27 00:55:12,893 INFO L226 Difference]: Without dead ends: 1191 [2018-10-27 00:55:12,896 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:12,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2018-10-27 00:55:12,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 935. [2018-10-27 00:55:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-10-27 00:55:12,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1262 transitions. [2018-10-27 00:55:12,955 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1262 transitions. Word has length 44 [2018-10-27 00:55:12,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:12,955 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1262 transitions. [2018-10-27 00:55:12,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1262 transitions. [2018-10-27 00:55:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 00:55:12,957 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:12,957 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:12,959 INFO L424 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:12,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:12,959 INFO L82 PathProgramCache]: Analyzing trace with hash -44095477, now seen corresponding path program 1 times [2018-10-27 00:55:12,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:12,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:12,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:12,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:12,961 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:13,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:13,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:13,256 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:13,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:13,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:13,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:13,257 INFO L87 Difference]: Start difference. First operand 935 states and 1262 transitions. Second operand 5 states. [2018-10-27 00:55:14,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:14,248 INFO L93 Difference]: Finished difference Result 948 states and 1274 transitions. [2018-10-27 00:55:14,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:14,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-10-27 00:55:14,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:14,252 INFO L225 Difference]: With dead ends: 948 [2018-10-27 00:55:14,252 INFO L226 Difference]: Without dead ends: 939 [2018-10-27 00:55:14,253 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:14,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-10-27 00:55:14,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 935. [2018-10-27 00:55:14,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-10-27 00:55:14,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1260 transitions. [2018-10-27 00:55:14,313 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1260 transitions. Word has length 44 [2018-10-27 00:55:14,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:14,314 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1260 transitions. [2018-10-27 00:55:14,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:14,314 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1260 transitions. [2018-10-27 00:55:14,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 00:55:14,315 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:14,315 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:14,315 INFO L424 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:14,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:14,316 INFO L82 PathProgramCache]: Analyzing trace with hash -171709427, now seen corresponding path program 1 times [2018-10-27 00:55:14,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:14,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:14,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:14,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:14,321 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:14,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:14,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:55:14,432 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:14,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:55:14,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:55:14,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:55:14,433 INFO L87 Difference]: Start difference. First operand 935 states and 1260 transitions. Second operand 4 states. [2018-10-27 00:55:14,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:14,562 INFO L93 Difference]: Finished difference Result 963 states and 1293 transitions. [2018-10-27 00:55:14,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:55:14,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-10-27 00:55:14,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:14,567 INFO L225 Difference]: With dead ends: 963 [2018-10-27 00:55:14,568 INFO L226 Difference]: Without dead ends: 941 [2018-10-27 00:55:14,568 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:14,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-10-27 00:55:14,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 935. [2018-10-27 00:55:14,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-10-27 00:55:14,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1260 transitions. [2018-10-27 00:55:14,623 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1260 transitions. Word has length 43 [2018-10-27 00:55:14,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:14,623 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1260 transitions. [2018-10-27 00:55:14,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:55:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1260 transitions. [2018-10-27 00:55:14,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 00:55:14,624 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:14,625 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:14,627 INFO L424 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:14,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:14,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1520699893, now seen corresponding path program 1 times [2018-10-27 00:55:14,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:14,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:14,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:14,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:14,629 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:14,978 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 4 [2018-10-27 00:55:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:14,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:14,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:14,982 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:14,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:14,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:14,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:14,983 INFO L87 Difference]: Start difference. First operand 935 states and 1260 transitions. Second operand 5 states. [2018-10-27 00:55:16,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:16,151 INFO L93 Difference]: Finished difference Result 1686 states and 2245 transitions. [2018-10-27 00:55:16,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:55:16,151 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-10-27 00:55:16,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:16,156 INFO L225 Difference]: With dead ends: 1686 [2018-10-27 00:55:16,156 INFO L226 Difference]: Without dead ends: 1120 [2018-10-27 00:55:16,158 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:16,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-10-27 00:55:16,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 926. [2018-10-27 00:55:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-10-27 00:55:16,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1239 transitions. [2018-10-27 00:55:16,222 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1239 transitions. Word has length 45 [2018-10-27 00:55:16,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:16,222 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1239 transitions. [2018-10-27 00:55:16,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1239 transitions. [2018-10-27 00:55:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 00:55:16,226 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:16,226 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:16,226 INFO L424 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:16,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:16,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1312044786, now seen corresponding path program 1 times [2018-10-27 00:55:16,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:16,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:16,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:16,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:16,230 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:16,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:16,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:16,503 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:16,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:16,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:16,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:16,503 INFO L87 Difference]: Start difference. First operand 926 states and 1239 transitions. Second operand 5 states. [2018-10-27 00:55:16,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:16,616 INFO L93 Difference]: Finished difference Result 942 states and 1254 transitions. [2018-10-27 00:55:16,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:16,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-10-27 00:55:16,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:16,622 INFO L225 Difference]: With dead ends: 942 [2018-10-27 00:55:16,623 INFO L226 Difference]: Without dead ends: 924 [2018-10-27 00:55:16,625 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:16,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2018-10-27 00:55:16,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2018-10-27 00:55:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-10-27 00:55:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1235 transitions. [2018-10-27 00:55:16,688 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1235 transitions. Word has length 45 [2018-10-27 00:55:16,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:16,688 INFO L481 AbstractCegarLoop]: Abstraction has 924 states and 1235 transitions. [2018-10-27 00:55:16,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1235 transitions. [2018-10-27 00:55:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:55:16,690 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:16,690 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:16,690 INFO L424 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:16,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:16,690 INFO L82 PathProgramCache]: Analyzing trace with hash 468101595, now seen corresponding path program 1 times [2018-10-27 00:55:16,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:16,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:16,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:16,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:16,691 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:16,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:16,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:16,791 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:16,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:16,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:16,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:16,792 INFO L87 Difference]: Start difference. First operand 924 states and 1235 transitions. Second operand 3 states. [2018-10-27 00:55:17,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:17,024 INFO L93 Difference]: Finished difference Result 954 states and 1271 transitions. [2018-10-27 00:55:17,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:17,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-10-27 00:55:17,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:17,030 INFO L225 Difference]: With dead ends: 954 [2018-10-27 00:55:17,030 INFO L226 Difference]: Without dead ends: 906 [2018-10-27 00:55:17,031 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:17,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-10-27 00:55:17,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 902. [2018-10-27 00:55:17,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-10-27 00:55:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1203 transitions. [2018-10-27 00:55:17,088 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1203 transitions. Word has length 46 [2018-10-27 00:55:17,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:17,089 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1203 transitions. [2018-10-27 00:55:17,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:17,089 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1203 transitions. [2018-10-27 00:55:17,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 00:55:17,090 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:17,090 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:17,091 INFO L424 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:17,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:17,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1363785192, now seen corresponding path program 1 times [2018-10-27 00:55:17,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:17,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:17,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:17,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:17,092 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:17,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:17,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:17,344 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:17,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:17,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:17,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:17,345 INFO L87 Difference]: Start difference. First operand 902 states and 1203 transitions. Second operand 5 states. [2018-10-27 00:55:17,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:17,610 INFO L93 Difference]: Finished difference Result 918 states and 1218 transitions. [2018-10-27 00:55:17,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:17,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-10-27 00:55:17,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:17,616 INFO L225 Difference]: With dead ends: 918 [2018-10-27 00:55:17,617 INFO L226 Difference]: Without dead ends: 900 [2018-10-27 00:55:17,618 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:17,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-10-27 00:55:17,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2018-10-27 00:55:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-10-27 00:55:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1199 transitions. [2018-10-27 00:55:17,668 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1199 transitions. Word has length 47 [2018-10-27 00:55:17,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:17,668 INFO L481 AbstractCegarLoop]: Abstraction has 900 states and 1199 transitions. [2018-10-27 00:55:17,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1199 transitions. [2018-10-27 00:55:17,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:55:17,672 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:17,672 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:17,672 INFO L424 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:17,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:17,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1242376828, now seen corresponding path program 1 times [2018-10-27 00:55:17,673 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:17,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:17,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:17,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:17,674 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:17,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:17,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:55:17,925 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:17,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:55:17,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:55:17,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:17,926 INFO L87 Difference]: Start difference. First operand 900 states and 1199 transitions. Second operand 6 states. [2018-10-27 00:55:18,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:18,185 INFO L93 Difference]: Finished difference Result 920 states and 1219 transitions. [2018-10-27 00:55:18,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:55:18,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-10-27 00:55:18,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:18,190 INFO L225 Difference]: With dead ends: 920 [2018-10-27 00:55:18,190 INFO L226 Difference]: Without dead ends: 900 [2018-10-27 00:55:18,191 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:18,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-10-27 00:55:18,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2018-10-27 00:55:18,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-10-27 00:55:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1187 transitions. [2018-10-27 00:55:18,244 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1187 transitions. Word has length 50 [2018-10-27 00:55:18,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:18,244 INFO L481 AbstractCegarLoop]: Abstraction has 900 states and 1187 transitions. [2018-10-27 00:55:18,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:55:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1187 transitions. [2018-10-27 00:55:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:55:18,248 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:18,248 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:18,248 INFO L424 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:18,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:18,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1623541472, now seen corresponding path program 1 times [2018-10-27 00:55:18,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:18,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:18,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:18,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:18,250 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:18,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:18,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:18,339 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:18,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:18,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:18,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:18,340 INFO L87 Difference]: Start difference. First operand 900 states and 1187 transitions. Second operand 3 states. [2018-10-27 00:55:18,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:18,613 INFO L93 Difference]: Finished difference Result 1226 states and 1640 transitions. [2018-10-27 00:55:18,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:18,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-10-27 00:55:18,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:18,617 INFO L225 Difference]: With dead ends: 1226 [2018-10-27 00:55:18,617 INFO L226 Difference]: Without dead ends: 1214 [2018-10-27 00:55:18,618 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:18,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2018-10-27 00:55:18,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1022. [2018-10-27 00:55:18,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2018-10-27 00:55:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1351 transitions. [2018-10-27 00:55:18,684 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1351 transitions. Word has length 50 [2018-10-27 00:55:18,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:18,684 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 1351 transitions. [2018-10-27 00:55:18,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1351 transitions. [2018-10-27 00:55:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 00:55:18,688 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:18,688 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:18,688 INFO L424 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:18,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:18,689 INFO L82 PathProgramCache]: Analyzing trace with hash 2060535303, now seen corresponding path program 1 times [2018-10-27 00:55:18,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:18,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:18,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:18,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:18,690 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:18,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:18,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:55:18,875 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:18,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:55:18,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:55:18,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:55:18,876 INFO L87 Difference]: Start difference. First operand 1022 states and 1351 transitions. Second operand 4 states. [2018-10-27 00:55:19,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:19,185 INFO L93 Difference]: Finished difference Result 1115 states and 1442 transitions. [2018-10-27 00:55:19,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:55:19,187 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-10-27 00:55:19,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:19,189 INFO L225 Difference]: With dead ends: 1115 [2018-10-27 00:55:19,189 INFO L226 Difference]: Without dead ends: 710 [2018-10-27 00:55:19,191 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:55:19,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-10-27 00:55:19,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 673. [2018-10-27 00:55:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-10-27 00:55:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 854 transitions. [2018-10-27 00:55:19,238 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 854 transitions. Word has length 52 [2018-10-27 00:55:19,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:19,239 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 854 transitions. [2018-10-27 00:55:19,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:55:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 854 transitions. [2018-10-27 00:55:19,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 00:55:19,240 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:19,240 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:19,241 INFO L424 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:19,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:19,244 INFO L82 PathProgramCache]: Analyzing trace with hash 851844105, now seen corresponding path program 1 times [2018-10-27 00:55:19,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:19,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:19,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:19,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:19,245 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:19,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:19,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:55:19,569 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:19,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:55:19,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:55:19,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:19,570 INFO L87 Difference]: Start difference. First operand 673 states and 854 transitions. Second operand 7 states. [2018-10-27 00:55:19,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:19,760 INFO L93 Difference]: Finished difference Result 723 states and 908 transitions. [2018-10-27 00:55:19,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:55:19,760 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-10-27 00:55:19,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:19,762 INFO L225 Difference]: With dead ends: 723 [2018-10-27 00:55:19,763 INFO L226 Difference]: Without dead ends: 674 [2018-10-27 00:55:19,763 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:55:19,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-10-27 00:55:19,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 661. [2018-10-27 00:55:19,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2018-10-27 00:55:19,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 835 transitions. [2018-10-27 00:55:19,807 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 835 transitions. Word has length 51 [2018-10-27 00:55:19,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:19,808 INFO L481 AbstractCegarLoop]: Abstraction has 661 states and 835 transitions. [2018-10-27 00:55:19,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:55:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2018-10-27 00:55:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 00:55:19,811 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:19,812 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:19,812 INFO L424 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:19,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:19,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1859302362, now seen corresponding path program 1 times [2018-10-27 00:55:19,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:19,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:19,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:19,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:19,813 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:19,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:19,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:55:19,954 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:19,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:55:19,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:55:19,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:19,955 INFO L87 Difference]: Start difference. First operand 661 states and 835 transitions. Second operand 6 states. [2018-10-27 00:55:20,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:20,044 INFO L93 Difference]: Finished difference Result 688 states and 866 transitions. [2018-10-27 00:55:20,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:55:20,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-10-27 00:55:20,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:20,048 INFO L225 Difference]: With dead ends: 688 [2018-10-27 00:55:20,048 INFO L226 Difference]: Without dead ends: 663 [2018-10-27 00:55:20,049 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:20,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2018-10-27 00:55:20,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2018-10-27 00:55:20,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2018-10-27 00:55:20,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 837 transitions. [2018-10-27 00:55:20,091 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 837 transitions. Word has length 51 [2018-10-27 00:55:20,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:20,091 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 837 transitions. [2018-10-27 00:55:20,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:55:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 837 transitions. [2018-10-27 00:55:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 00:55:20,093 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:20,095 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:20,096 INFO L424 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:20,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:20,096 INFO L82 PathProgramCache]: Analyzing trace with hash -756943838, now seen corresponding path program 1 times [2018-10-27 00:55:20,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:20,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:20,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:20,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:20,097 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:20,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:20,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:20,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:55:20,316 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:20,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:55:20,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:55:20,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:55:20,317 INFO L87 Difference]: Start difference. First operand 663 states and 837 transitions. Second operand 8 states. [2018-10-27 00:55:20,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:20,493 INFO L93 Difference]: Finished difference Result 693 states and 871 transitions. [2018-10-27 00:55:20,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:55:20,494 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-10-27 00:55:20,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:20,496 INFO L225 Difference]: With dead ends: 693 [2018-10-27 00:55:20,496 INFO L226 Difference]: Without dead ends: 689 [2018-10-27 00:55:20,497 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:20,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-10-27 00:55:20,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 681. [2018-10-27 00:55:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2018-10-27 00:55:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 858 transitions. [2018-10-27 00:55:20,562 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 858 transitions. Word has length 51 [2018-10-27 00:55:20,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:20,562 INFO L481 AbstractCegarLoop]: Abstraction has 681 states and 858 transitions. [2018-10-27 00:55:20,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:55:20,563 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 858 transitions. [2018-10-27 00:55:20,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 00:55:20,567 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:20,567 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:20,567 INFO L424 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:20,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:20,568 INFO L82 PathProgramCache]: Analyzing trace with hash -757220668, now seen corresponding path program 1 times [2018-10-27 00:55:20,568 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:20,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:20,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:20,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:20,571 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:21,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:21,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:55:21,328 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:21,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:55:21,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:55:21,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:55:21,329 INFO L87 Difference]: Start difference. First operand 681 states and 858 transitions. Second operand 8 states. [2018-10-27 00:55:22,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:22,300 INFO L93 Difference]: Finished difference Result 1083 states and 1391 transitions. [2018-10-27 00:55:22,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:55:22,302 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-10-27 00:55:22,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:22,305 INFO L225 Difference]: With dead ends: 1083 [2018-10-27 00:55:22,305 INFO L226 Difference]: Without dead ends: 724 [2018-10-27 00:55:22,308 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:55:22,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2018-10-27 00:55:22,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 707. [2018-10-27 00:55:22,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2018-10-27 00:55:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 902 transitions. [2018-10-27 00:55:22,355 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 902 transitions. Word has length 51 [2018-10-27 00:55:22,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:22,355 INFO L481 AbstractCegarLoop]: Abstraction has 707 states and 902 transitions. [2018-10-27 00:55:22,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:55:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 902 transitions. [2018-10-27 00:55:22,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 00:55:22,357 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:22,359 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:22,360 INFO L424 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:22,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:22,360 INFO L82 PathProgramCache]: Analyzing trace with hash -2064475923, now seen corresponding path program 1 times [2018-10-27 00:55:22,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:22,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:22,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:22,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:22,361 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:22,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:22,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:22,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:55:22,641 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:22,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:55:22,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:55:22,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:22,642 INFO L87 Difference]: Start difference. First operand 707 states and 902 transitions. Second operand 9 states. [2018-10-27 00:55:24,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:24,593 INFO L93 Difference]: Finished difference Result 1082 states and 1372 transitions. [2018-10-27 00:55:24,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 00:55:24,594 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-10-27 00:55:24,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:24,598 INFO L225 Difference]: With dead ends: 1082 [2018-10-27 00:55:24,598 INFO L226 Difference]: Without dead ends: 994 [2018-10-27 00:55:24,599 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-10-27 00:55:24,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-10-27 00:55:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 786. [2018-10-27 00:55:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2018-10-27 00:55:24,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1008 transitions. [2018-10-27 00:55:24,662 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1008 transitions. Word has length 52 [2018-10-27 00:55:24,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:24,663 INFO L481 AbstractCegarLoop]: Abstraction has 786 states and 1008 transitions. [2018-10-27 00:55:24,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:55:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1008 transitions. [2018-10-27 00:55:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 00:55:24,664 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:24,664 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:24,665 INFO L424 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:24,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:24,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1278814265, now seen corresponding path program 1 times [2018-10-27 00:55:24,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:24,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:24,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:24,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:24,670 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:25,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:25,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:55:25,236 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:25,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:55:25,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:55:25,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:25,237 INFO L87 Difference]: Start difference. First operand 786 states and 1008 transitions. Second operand 7 states. [2018-10-27 00:55:26,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:26,935 INFO L93 Difference]: Finished difference Result 912 states and 1161 transitions. [2018-10-27 00:55:26,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 00:55:26,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-10-27 00:55:26,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:26,938 INFO L225 Difference]: With dead ends: 912 [2018-10-27 00:55:26,938 INFO L226 Difference]: Without dead ends: 795 [2018-10-27 00:55:26,939 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-10-27 00:55:26,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-10-27 00:55:26,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 749. [2018-10-27 00:55:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2018-10-27 00:55:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 944 transitions. [2018-10-27 00:55:26,996 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 944 transitions. Word has length 52 [2018-10-27 00:55:26,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:26,996 INFO L481 AbstractCegarLoop]: Abstraction has 749 states and 944 transitions. [2018-10-27 00:55:26,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:55:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 944 transitions. [2018-10-27 00:55:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 00:55:27,001 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:27,001 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:27,001 INFO L424 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:27,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:27,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1135534907, now seen corresponding path program 1 times [2018-10-27 00:55:27,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:27,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:27,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:27,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:27,006 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:27,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:27,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:27,091 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:27,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:27,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:27,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:27,092 INFO L87 Difference]: Start difference. First operand 749 states and 944 transitions. Second operand 3 states. [2018-10-27 00:55:27,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:27,494 INFO L93 Difference]: Finished difference Result 922 states and 1182 transitions. [2018-10-27 00:55:27,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:27,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-10-27 00:55:27,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:27,499 INFO L225 Difference]: With dead ends: 922 [2018-10-27 00:55:27,499 INFO L226 Difference]: Without dead ends: 892 [2018-10-27 00:55:27,500 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:27,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-10-27 00:55:27,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 743. [2018-10-27 00:55:27,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2018-10-27 00:55:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 932 transitions. [2018-10-27 00:55:27,564 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 932 transitions. Word has length 52 [2018-10-27 00:55:27,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:27,565 INFO L481 AbstractCegarLoop]: Abstraction has 743 states and 932 transitions. [2018-10-27 00:55:27,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 932 transitions. [2018-10-27 00:55:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-27 00:55:27,569 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:27,569 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:27,569 INFO L424 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:27,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:27,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1763875176, now seen corresponding path program 1 times [2018-10-27 00:55:27,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:27,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:27,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:27,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:27,575 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:27,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:27,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:27,836 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:27,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:27,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:27,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:27,837 INFO L87 Difference]: Start difference. First operand 743 states and 932 transitions. Second operand 5 states. [2018-10-27 00:55:28,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:28,456 INFO L93 Difference]: Finished difference Result 894 states and 1144 transitions. [2018-10-27 00:55:28,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:28,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-10-27 00:55:28,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:28,459 INFO L225 Difference]: With dead ends: 894 [2018-10-27 00:55:28,459 INFO L226 Difference]: Without dead ends: 876 [2018-10-27 00:55:28,460 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:28,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2018-10-27 00:55:28,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 726. [2018-10-27 00:55:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-10-27 00:55:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 905 transitions. [2018-10-27 00:55:28,515 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 905 transitions. Word has length 54 [2018-10-27 00:55:28,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:28,515 INFO L481 AbstractCegarLoop]: Abstraction has 726 states and 905 transitions. [2018-10-27 00:55:28,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:28,515 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 905 transitions. [2018-10-27 00:55:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-27 00:55:28,516 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:28,516 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:28,516 INFO L424 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:28,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:28,517 INFO L82 PathProgramCache]: Analyzing trace with hash -339832643, now seen corresponding path program 1 times [2018-10-27 00:55:28,521 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:28,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:28,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:28,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:28,522 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:28,749 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-10-27 00:55:28,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:28,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:28,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:55:28,872 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:28,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:55:28,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:55:28,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:55:28,872 INFO L87 Difference]: Start difference. First operand 726 states and 905 transitions. Second operand 4 states. [2018-10-27 00:55:29,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:29,647 INFO L93 Difference]: Finished difference Result 1663 states and 2050 transitions. [2018-10-27 00:55:29,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:55:29,648 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2018-10-27 00:55:29,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:29,652 INFO L225 Difference]: With dead ends: 1663 [2018-10-27 00:55:29,652 INFO L226 Difference]: Without dead ends: 1385 [2018-10-27 00:55:29,654 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:55:29,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2018-10-27 00:55:29,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1272. [2018-10-27 00:55:29,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2018-10-27 00:55:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1602 transitions. [2018-10-27 00:55:29,763 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1602 transitions. Word has length 55 [2018-10-27 00:55:29,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:29,763 INFO L481 AbstractCegarLoop]: Abstraction has 1272 states and 1602 transitions. [2018-10-27 00:55:29,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:55:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1602 transitions. [2018-10-27 00:55:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-27 00:55:29,766 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:29,766 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:29,766 INFO L424 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:29,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:29,766 INFO L82 PathProgramCache]: Analyzing trace with hash 82869183, now seen corresponding path program 1 times [2018-10-27 00:55:29,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:29,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:29,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:29,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:29,767 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:30,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:30,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:55:30,212 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:30,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:55:30,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:55:30,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:55:30,213 INFO L87 Difference]: Start difference. First operand 1272 states and 1602 transitions. Second operand 8 states. [2018-10-27 00:55:30,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:30,307 INFO L93 Difference]: Finished difference Result 1285 states and 1614 transitions. [2018-10-27 00:55:30,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:55:30,308 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-10-27 00:55:30,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:30,311 INFO L225 Difference]: With dead ends: 1285 [2018-10-27 00:55:30,312 INFO L226 Difference]: Without dead ends: 1253 [2018-10-27 00:55:30,313 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2018-10-27 00:55:30,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2018-10-27 00:55:30,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1253 states. [2018-10-27 00:55:30,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1578 transitions. [2018-10-27 00:55:30,409 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1578 transitions. Word has length 55 [2018-10-27 00:55:30,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:30,410 INFO L481 AbstractCegarLoop]: Abstraction has 1253 states and 1578 transitions. [2018-10-27 00:55:30,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:55:30,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1578 transitions. [2018-10-27 00:55:30,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-27 00:55:30,412 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:30,413 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:30,413 INFO L424 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:30,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:30,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1440386313, now seen corresponding path program 1 times [2018-10-27 00:55:30,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:30,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:30,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:30,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:30,414 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:30,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:30,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:30,520 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:30,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:30,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:30,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:30,521 INFO L87 Difference]: Start difference. First operand 1253 states and 1578 transitions. Second operand 3 states. [2018-10-27 00:55:30,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:30,646 INFO L93 Difference]: Finished difference Result 1852 states and 2359 transitions. [2018-10-27 00:55:30,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:30,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-10-27 00:55:30,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:30,651 INFO L225 Difference]: With dead ends: 1852 [2018-10-27 00:55:30,652 INFO L226 Difference]: Without dead ends: 1251 [2018-10-27 00:55:30,654 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:30,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2018-10-27 00:55:30,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2018-10-27 00:55:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1251 states. [2018-10-27 00:55:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1570 transitions. [2018-10-27 00:55:30,772 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1570 transitions. Word has length 61 [2018-10-27 00:55:30,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:30,772 INFO L481 AbstractCegarLoop]: Abstraction has 1251 states and 1570 transitions. [2018-10-27 00:55:30,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1570 transitions. [2018-10-27 00:55:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 00:55:30,774 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:30,775 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:30,775 INFO L424 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:30,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:30,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1592527429, now seen corresponding path program 1 times [2018-10-27 00:55:30,775 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:30,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:30,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:30,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:30,776 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:31,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:31,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:31,240 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:31,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:31,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:31,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:31,241 INFO L87 Difference]: Start difference. First operand 1251 states and 1570 transitions. Second operand 5 states. [2018-10-27 00:55:31,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:31,408 INFO L93 Difference]: Finished difference Result 1753 states and 2224 transitions. [2018-10-27 00:55:31,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:31,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-10-27 00:55:31,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:31,413 INFO L225 Difference]: With dead ends: 1753 [2018-10-27 00:55:31,413 INFO L226 Difference]: Without dead ends: 1154 [2018-10-27 00:55:31,415 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:31,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2018-10-27 00:55:31,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1154. [2018-10-27 00:55:31,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2018-10-27 00:55:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1435 transitions. [2018-10-27 00:55:31,497 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1435 transitions. Word has length 64 [2018-10-27 00:55:31,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:31,497 INFO L481 AbstractCegarLoop]: Abstraction has 1154 states and 1435 transitions. [2018-10-27 00:55:31,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1435 transitions. [2018-10-27 00:55:31,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-27 00:55:31,500 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:31,500 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:31,500 INFO L424 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:31,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:31,500 INFO L82 PathProgramCache]: Analyzing trace with hash -686592692, now seen corresponding path program 1 times [2018-10-27 00:55:31,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:31,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:31,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:31,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:31,507 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:31,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:31,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:55:31,971 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:31,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:55:31,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:55:31,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:55:31,972 INFO L87 Difference]: Start difference. First operand 1154 states and 1435 transitions. Second operand 8 states. [2018-10-27 00:55:32,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:32,279 INFO L93 Difference]: Finished difference Result 1168 states and 1448 transitions. [2018-10-27 00:55:32,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:55:32,280 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-10-27 00:55:32,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:32,283 INFO L225 Difference]: With dead ends: 1168 [2018-10-27 00:55:32,283 INFO L226 Difference]: Without dead ends: 1147 [2018-10-27 00:55:32,284 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:32,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2018-10-27 00:55:32,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1147. [2018-10-27 00:55:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2018-10-27 00:55:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1424 transitions. [2018-10-27 00:55:32,349 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1424 transitions. Word has length 58 [2018-10-27 00:55:32,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:32,350 INFO L481 AbstractCegarLoop]: Abstraction has 1147 states and 1424 transitions. [2018-10-27 00:55:32,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:55:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1424 transitions. [2018-10-27 00:55:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-27 00:55:32,352 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:32,352 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:32,353 INFO L424 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:32,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:32,358 INFO L82 PathProgramCache]: Analyzing trace with hash 408607831, now seen corresponding path program 1 times [2018-10-27 00:55:32,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:32,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:32,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:32,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:32,359 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:32,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:32,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:32,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:55:32,741 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:32,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:55:32,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:55:32,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:32,742 INFO L87 Difference]: Start difference. First operand 1147 states and 1424 transitions. Second operand 6 states. [2018-10-27 00:55:33,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:33,132 INFO L93 Difference]: Finished difference Result 1180 states and 1457 transitions. [2018-10-27 00:55:33,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:55:33,133 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-10-27 00:55:33,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:33,136 INFO L225 Difference]: With dead ends: 1180 [2018-10-27 00:55:33,136 INFO L226 Difference]: Without dead ends: 1149 [2018-10-27 00:55:33,137 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:33,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2018-10-27 00:55:33,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1137. [2018-10-27 00:55:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1137 states. [2018-10-27 00:55:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1412 transitions. [2018-10-27 00:55:33,229 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1412 transitions. Word has length 60 [2018-10-27 00:55:33,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:33,229 INFO L481 AbstractCegarLoop]: Abstraction has 1137 states and 1412 transitions. [2018-10-27 00:55:33,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:55:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1412 transitions. [2018-10-27 00:55:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 00:55:33,231 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:33,232 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:33,232 INFO L424 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:33,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:33,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1185819340, now seen corresponding path program 1 times [2018-10-27 00:55:33,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:33,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:33,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:33,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:33,233 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:33,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:33,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:33,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:33,510 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:33,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:33,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:33,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:33,511 INFO L87 Difference]: Start difference. First operand 1137 states and 1412 transitions. Second operand 5 states. [2018-10-27 00:55:34,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:34,522 INFO L93 Difference]: Finished difference Result 1639 states and 2054 transitions. [2018-10-27 00:55:34,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:34,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-10-27 00:55:34,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:34,537 INFO L225 Difference]: With dead ends: 1639 [2018-10-27 00:55:34,537 INFO L226 Difference]: Without dead ends: 1137 [2018-10-27 00:55:34,539 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:34,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2018-10-27 00:55:34,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137. [2018-10-27 00:55:34,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1137 states. [2018-10-27 00:55:34,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1408 transitions. [2018-10-27 00:55:34,612 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1408 transitions. Word has length 68 [2018-10-27 00:55:34,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:34,612 INFO L481 AbstractCegarLoop]: Abstraction has 1137 states and 1408 transitions. [2018-10-27 00:55:34,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1408 transitions. [2018-10-27 00:55:34,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 00:55:34,614 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:34,614 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:34,615 INFO L424 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:34,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:34,615 INFO L82 PathProgramCache]: Analyzing trace with hash -2002193163, now seen corresponding path program 1 times [2018-10-27 00:55:34,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:34,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:34,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:34,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:34,616 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:34,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:34,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:55:34,757 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:34,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:55:34,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:55:34,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:34,758 INFO L87 Difference]: Start difference. First operand 1137 states and 1408 transitions. Second operand 6 states. [2018-10-27 00:55:35,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:35,024 INFO L93 Difference]: Finished difference Result 1159 states and 1427 transitions. [2018-10-27 00:55:35,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:55:35,029 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-10-27 00:55:35,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:35,035 INFO L225 Difference]: With dead ends: 1159 [2018-10-27 00:55:35,035 INFO L226 Difference]: Without dead ends: 1125 [2018-10-27 00:55:35,036 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:35,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2018-10-27 00:55:35,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1125. [2018-10-27 00:55:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1125 states. [2018-10-27 00:55:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1392 transitions. [2018-10-27 00:55:35,101 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1392 transitions. Word has length 63 [2018-10-27 00:55:35,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:35,101 INFO L481 AbstractCegarLoop]: Abstraction has 1125 states and 1392 transitions. [2018-10-27 00:55:35,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:55:35,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1392 transitions. [2018-10-27 00:55:35,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 00:55:35,103 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:35,103 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:35,103 INFO L424 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:35,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:35,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1866830368, now seen corresponding path program 1 times [2018-10-27 00:55:35,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:35,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:35,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:35,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:35,105 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:35,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:35,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:35,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:35,234 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:35,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:35,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:35,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:35,235 INFO L87 Difference]: Start difference. First operand 1125 states and 1392 transitions. Second operand 5 states. [2018-10-27 00:55:35,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:35,306 INFO L93 Difference]: Finished difference Result 1317 states and 1620 transitions. [2018-10-27 00:55:35,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:35,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-10-27 00:55:35,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:35,311 INFO L225 Difference]: With dead ends: 1317 [2018-10-27 00:55:35,311 INFO L226 Difference]: Without dead ends: 1137 [2018-10-27 00:55:35,312 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:35,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2018-10-27 00:55:35,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1133. [2018-10-27 00:55:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1133 states. [2018-10-27 00:55:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1400 transitions. [2018-10-27 00:55:35,392 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1400 transitions. Word has length 63 [2018-10-27 00:55:35,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:35,392 INFO L481 AbstractCegarLoop]: Abstraction has 1133 states and 1400 transitions. [2018-10-27 00:55:35,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:35,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1400 transitions. [2018-10-27 00:55:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 00:55:35,394 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:35,394 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:35,394 INFO L424 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:35,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:35,395 INFO L82 PathProgramCache]: Analyzing trace with hash -148339361, now seen corresponding path program 1 times [2018-10-27 00:55:35,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:35,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:35,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:35,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:35,396 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:35,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:35,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:55:35,623 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:35,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:55:35,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:55:35,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:35,623 INFO L87 Difference]: Start difference. First operand 1133 states and 1400 transitions. Second operand 9 states. [2018-10-27 00:55:35,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:35,761 INFO L93 Difference]: Finished difference Result 1537 states and 1872 transitions. [2018-10-27 00:55:35,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:55:35,762 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-10-27 00:55:35,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:35,765 INFO L225 Difference]: With dead ends: 1537 [2018-10-27 00:55:35,765 INFO L226 Difference]: Without dead ends: 1137 [2018-10-27 00:55:35,766 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:55:35,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2018-10-27 00:55:35,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1135. [2018-10-27 00:55:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-10-27 00:55:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1400 transitions. [2018-10-27 00:55:35,879 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1400 transitions. Word has length 63 [2018-10-27 00:55:35,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:35,880 INFO L481 AbstractCegarLoop]: Abstraction has 1135 states and 1400 transitions. [2018-10-27 00:55:35,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:55:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1400 transitions. [2018-10-27 00:55:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-27 00:55:35,885 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:35,886 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:35,886 INFO L424 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:35,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:35,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1466387024, now seen corresponding path program 1 times [2018-10-27 00:55:35,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:35,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:35,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:35,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:35,887 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:35,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:35,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:55:35,969 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:35,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:55:35,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:55:35,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:35,970 INFO L87 Difference]: Start difference. First operand 1135 states and 1400 transitions. Second operand 3 states. [2018-10-27 00:55:36,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:36,157 INFO L93 Difference]: Finished difference Result 1689 states and 2115 transitions. [2018-10-27 00:55:36,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:55:36,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-10-27 00:55:36,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:36,170 INFO L225 Difference]: With dead ends: 1689 [2018-10-27 00:55:36,171 INFO L226 Difference]: Without dead ends: 1187 [2018-10-27 00:55:36,174 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:55:36,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2018-10-27 00:55:36,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1135. [2018-10-27 00:55:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-10-27 00:55:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1400 transitions. [2018-10-27 00:55:36,276 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1400 transitions. Word has length 71 [2018-10-27 00:55:36,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:36,277 INFO L481 AbstractCegarLoop]: Abstraction has 1135 states and 1400 transitions. [2018-10-27 00:55:36,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:55:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1400 transitions. [2018-10-27 00:55:36,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-27 00:55:36,284 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:36,284 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:36,284 INFO L424 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:36,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:36,284 INFO L82 PathProgramCache]: Analyzing trace with hash -834545008, now seen corresponding path program 1 times [2018-10-27 00:55:36,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:36,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:36,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:36,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:36,285 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:36,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:36,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:55:36,476 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:36,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:55:36,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:55:36,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:36,477 INFO L87 Difference]: Start difference. First operand 1135 states and 1400 transitions. Second operand 6 states. [2018-10-27 00:55:36,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:36,564 INFO L93 Difference]: Finished difference Result 1623 states and 2020 transitions. [2018-10-27 00:55:36,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:55:36,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-10-27 00:55:36,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:36,569 INFO L225 Difference]: With dead ends: 1623 [2018-10-27 00:55:36,569 INFO L226 Difference]: Without dead ends: 1186 [2018-10-27 00:55:36,570 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:36,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2018-10-27 00:55:36,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1135. [2018-10-27 00:55:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2018-10-27 00:55:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1396 transitions. [2018-10-27 00:55:36,683 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1396 transitions. Word has length 71 [2018-10-27 00:55:36,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:36,683 INFO L481 AbstractCegarLoop]: Abstraction has 1135 states and 1396 transitions. [2018-10-27 00:55:36,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:55:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1396 transitions. [2018-10-27 00:55:36,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 00:55:36,688 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:36,688 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:36,689 INFO L424 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:36,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:36,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1412321200, now seen corresponding path program 1 times [2018-10-27 00:55:36,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:36,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:36,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:36,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:36,690 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:37,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:37,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:55:37,218 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:37,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:55:37,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:55:37,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:37,218 INFO L87 Difference]: Start difference. First operand 1135 states and 1396 transitions. Second operand 9 states. [2018-10-27 00:55:37,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:37,411 INFO L93 Difference]: Finished difference Result 1154 states and 1415 transitions. [2018-10-27 00:55:37,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:55:37,413 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-10-27 00:55:37,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:37,418 INFO L225 Difference]: With dead ends: 1154 [2018-10-27 00:55:37,418 INFO L226 Difference]: Without dead ends: 1127 [2018-10-27 00:55:37,419 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:55:37,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2018-10-27 00:55:37,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2018-10-27 00:55:37,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2018-10-27 00:55:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1384 transitions. [2018-10-27 00:55:37,533 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1384 transitions. Word has length 63 [2018-10-27 00:55:37,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:37,533 INFO L481 AbstractCegarLoop]: Abstraction has 1127 states and 1384 transitions. [2018-10-27 00:55:37,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:55:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1384 transitions. [2018-10-27 00:55:37,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 00:55:37,535 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:37,535 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:37,535 INFO L424 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:37,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:37,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1401857880, now seen corresponding path program 1 times [2018-10-27 00:55:37,536 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:37,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:37,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:37,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:37,537 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:37,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:37,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:37,851 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:37,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:37,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:37,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:37,852 INFO L87 Difference]: Start difference. First operand 1127 states and 1384 transitions. Second operand 5 states. [2018-10-27 00:55:37,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:37,917 INFO L93 Difference]: Finished difference Result 1139 states and 1396 transitions. [2018-10-27 00:55:37,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:37,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-10-27 00:55:37,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:37,921 INFO L225 Difference]: With dead ends: 1139 [2018-10-27 00:55:37,922 INFO L226 Difference]: Without dead ends: 1107 [2018-10-27 00:55:37,922 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:37,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2018-10-27 00:55:38,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1100. [2018-10-27 00:55:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2018-10-27 00:55:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1354 transitions. [2018-10-27 00:55:38,031 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1354 transitions. Word has length 64 [2018-10-27 00:55:38,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:38,031 INFO L481 AbstractCegarLoop]: Abstraction has 1100 states and 1354 transitions. [2018-10-27 00:55:38,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1354 transitions. [2018-10-27 00:55:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 00:55:38,036 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:38,037 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:38,037 INFO L424 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:38,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:38,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1586781805, now seen corresponding path program 1 times [2018-10-27 00:55:38,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:38,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:38,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:38,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:38,038 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:38,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:38,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:55:38,400 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:38,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:55:38,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:55:38,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:55:38,401 INFO L87 Difference]: Start difference. First operand 1100 states and 1354 transitions. Second operand 8 states. [2018-10-27 00:55:38,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:38,673 INFO L93 Difference]: Finished difference Result 1111 states and 1364 transitions. [2018-10-27 00:55:38,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:55:38,674 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-10-27 00:55:38,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:38,676 INFO L225 Difference]: With dead ends: 1111 [2018-10-27 00:55:38,677 INFO L226 Difference]: Without dead ends: 1089 [2018-10-27 00:55:38,677 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:38,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2018-10-27 00:55:38,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2018-10-27 00:55:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2018-10-27 00:55:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1339 transitions. [2018-10-27 00:55:38,764 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1339 transitions. Word has length 64 [2018-10-27 00:55:38,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:38,765 INFO L481 AbstractCegarLoop]: Abstraction has 1089 states and 1339 transitions. [2018-10-27 00:55:38,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:55:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1339 transitions. [2018-10-27 00:55:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 00:55:38,767 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:38,767 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:38,768 INFO L424 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:38,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:38,768 INFO L82 PathProgramCache]: Analyzing trace with hash -907988986, now seen corresponding path program 1 times [2018-10-27 00:55:38,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:38,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:38,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:38,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:38,773 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:38,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:38,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:38,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:55:38,997 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:38,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:55:38,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:55:38,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:38,998 INFO L87 Difference]: Start difference. First operand 1089 states and 1339 transitions. Second operand 9 states. [2018-10-27 00:55:39,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:39,163 INFO L93 Difference]: Finished difference Result 1108 states and 1358 transitions. [2018-10-27 00:55:39,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:55:39,165 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-10-27 00:55:39,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:39,168 INFO L225 Difference]: With dead ends: 1108 [2018-10-27 00:55:39,168 INFO L226 Difference]: Without dead ends: 1079 [2018-10-27 00:55:39,169 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:55:39,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2018-10-27 00:55:39,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1079. [2018-10-27 00:55:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1079 states. [2018-10-27 00:55:39,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1325 transitions. [2018-10-27 00:55:39,277 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1325 transitions. Word has length 64 [2018-10-27 00:55:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:39,279 INFO L481 AbstractCegarLoop]: Abstraction has 1079 states and 1325 transitions. [2018-10-27 00:55:39,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:55:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1325 transitions. [2018-10-27 00:55:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 00:55:39,281 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:39,281 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:39,281 INFO L424 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:39,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:39,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1838100456, now seen corresponding path program 1 times [2018-10-27 00:55:39,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:39,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:39,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:39,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:39,282 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:39,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:39,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:39,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:55:39,522 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:39,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:55:39,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:55:39,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:39,522 INFO L87 Difference]: Start difference. First operand 1079 states and 1325 transitions. Second operand 9 states. [2018-10-27 00:55:39,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:39,739 INFO L93 Difference]: Finished difference Result 1098 states and 1344 transitions. [2018-10-27 00:55:39,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:55:39,740 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-10-27 00:55:39,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:39,743 INFO L225 Difference]: With dead ends: 1098 [2018-10-27 00:55:39,743 INFO L226 Difference]: Without dead ends: 1071 [2018-10-27 00:55:39,744 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:55:39,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2018-10-27 00:55:39,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1071. [2018-10-27 00:55:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2018-10-27 00:55:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1313 transitions. [2018-10-27 00:55:39,814 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1313 transitions. Word has length 64 [2018-10-27 00:55:39,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:39,814 INFO L481 AbstractCegarLoop]: Abstraction has 1071 states and 1313 transitions. [2018-10-27 00:55:39,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:55:39,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1313 transitions. [2018-10-27 00:55:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-27 00:55:39,816 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:39,816 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:39,816 INFO L424 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:39,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:39,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1147470312, now seen corresponding path program 1 times [2018-10-27 00:55:39,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:39,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:39,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:39,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:39,818 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:40,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:40,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:40,016 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:40,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:40,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:40,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:40,017 INFO L87 Difference]: Start difference. First operand 1071 states and 1313 transitions. Second operand 5 states. [2018-10-27 00:55:40,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:40,770 INFO L93 Difference]: Finished difference Result 1767 states and 2189 transitions. [2018-10-27 00:55:40,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:55:40,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-10-27 00:55:40,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:40,774 INFO L225 Difference]: With dead ends: 1767 [2018-10-27 00:55:40,774 INFO L226 Difference]: Without dead ends: 1277 [2018-10-27 00:55:40,775 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:55:40,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2018-10-27 00:55:40,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1222. [2018-10-27 00:55:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2018-10-27 00:55:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1504 transitions. [2018-10-27 00:55:40,944 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1504 transitions. Word has length 70 [2018-10-27 00:55:40,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:40,944 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 1504 transitions. [2018-10-27 00:55:40,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:40,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1504 transitions. [2018-10-27 00:55:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 00:55:40,946 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:40,946 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:40,947 INFO L424 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:40,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:40,947 INFO L82 PathProgramCache]: Analyzing trace with hash -553467449, now seen corresponding path program 1 times [2018-10-27 00:55:40,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:40,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:40,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:40,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:40,948 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:41,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:41,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:55:41,151 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:41,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:55:41,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:55:41,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:41,152 INFO L87 Difference]: Start difference. First operand 1222 states and 1504 transitions. Second operand 9 states. [2018-10-27 00:55:41,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:41,378 INFO L93 Difference]: Finished difference Result 1241 states and 1523 transitions. [2018-10-27 00:55:41,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:55:41,379 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2018-10-27 00:55:41,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:41,382 INFO L225 Difference]: With dead ends: 1241 [2018-10-27 00:55:41,382 INFO L226 Difference]: Without dead ends: 1170 [2018-10-27 00:55:41,383 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:55:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2018-10-27 00:55:41,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2018-10-27 00:55:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1170 states. [2018-10-27 00:55:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1440 transitions. [2018-10-27 00:55:41,454 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1440 transitions. Word has length 68 [2018-10-27 00:55:41,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:41,454 INFO L481 AbstractCegarLoop]: Abstraction has 1170 states and 1440 transitions. [2018-10-27 00:55:41,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:55:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1440 transitions. [2018-10-27 00:55:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-27 00:55:41,457 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:41,457 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:41,457 INFO L424 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:41,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:41,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1928420626, now seen corresponding path program 1 times [2018-10-27 00:55:41,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:41,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:41,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:41,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:41,458 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:41,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:41,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:41,729 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:41,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:41,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:41,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:41,733 INFO L87 Difference]: Start difference. First operand 1170 states and 1440 transitions. Second operand 5 states. [2018-10-27 00:55:42,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:42,037 INFO L93 Difference]: Finished difference Result 1366 states and 1672 transitions. [2018-10-27 00:55:42,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:55:42,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-10-27 00:55:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:42,042 INFO L225 Difference]: With dead ends: 1366 [2018-10-27 00:55:42,042 INFO L226 Difference]: Without dead ends: 1190 [2018-10-27 00:55:42,043 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:42,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2018-10-27 00:55:42,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1186. [2018-10-27 00:55:42,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2018-10-27 00:55:42,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1458 transitions. [2018-10-27 00:55:42,167 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1458 transitions. Word has length 76 [2018-10-27 00:55:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:42,167 INFO L481 AbstractCegarLoop]: Abstraction has 1186 states and 1458 transitions. [2018-10-27 00:55:42,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1458 transitions. [2018-10-27 00:55:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-27 00:55:42,169 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:42,170 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:42,170 INFO L424 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:42,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:42,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1215504625, now seen corresponding path program 1 times [2018-10-27 00:55:42,170 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:42,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:42,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:42,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:42,171 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:42,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:42,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:55:42,643 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:42,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:55:42,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:55:42,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:42,644 INFO L87 Difference]: Start difference. First operand 1186 states and 1458 transitions. Second operand 9 states. [2018-10-27 00:55:42,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:42,744 INFO L93 Difference]: Finished difference Result 1358 states and 1655 transitions. [2018-10-27 00:55:42,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:55:42,744 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-10-27 00:55:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:42,747 INFO L225 Difference]: With dead ends: 1358 [2018-10-27 00:55:42,747 INFO L226 Difference]: Without dead ends: 1142 [2018-10-27 00:55:42,748 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:55:42,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2018-10-27 00:55:42,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1142. [2018-10-27 00:55:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1142 states. [2018-10-27 00:55:42,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1396 transitions. [2018-10-27 00:55:42,829 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1396 transitions. Word has length 76 [2018-10-27 00:55:42,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:42,830 INFO L481 AbstractCegarLoop]: Abstraction has 1142 states and 1396 transitions. [2018-10-27 00:55:42,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:55:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1396 transitions. [2018-10-27 00:55:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-27 00:55:42,832 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:42,832 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:42,832 INFO L424 AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:42,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:42,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1535169304, now seen corresponding path program 1 times [2018-10-27 00:55:42,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:42,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:42,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:42,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:42,833 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:43,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:43,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:55:43,019 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:43,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:55:43,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:55:43,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:43,020 INFO L87 Difference]: Start difference. First operand 1142 states and 1396 transitions. Second operand 7 states. [2018-10-27 00:55:43,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:43,712 INFO L93 Difference]: Finished difference Result 1735 states and 2138 transitions. [2018-10-27 00:55:43,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 00:55:43,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-10-27 00:55:43,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:43,716 INFO L225 Difference]: With dead ends: 1735 [2018-10-27 00:55:43,716 INFO L226 Difference]: Without dead ends: 1130 [2018-10-27 00:55:43,718 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-10-27 00:55:43,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2018-10-27 00:55:43,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1110. [2018-10-27 00:55:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2018-10-27 00:55:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1346 transitions. [2018-10-27 00:55:43,839 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1346 transitions. Word has length 82 [2018-10-27 00:55:43,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:43,840 INFO L481 AbstractCegarLoop]: Abstraction has 1110 states and 1346 transitions. [2018-10-27 00:55:43,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:55:43,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1346 transitions. [2018-10-27 00:55:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-27 00:55:43,846 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:43,846 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:43,846 INFO L424 AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:43,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:43,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1559428245, now seen corresponding path program 1 times [2018-10-27 00:55:43,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:43,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:43,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:43,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:43,848 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:44,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:44,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:55:44,384 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:44,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:55:44,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:55:44,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:55:44,385 INFO L87 Difference]: Start difference. First operand 1110 states and 1346 transitions. Second operand 6 states. [2018-10-27 00:55:44,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:44,465 INFO L93 Difference]: Finished difference Result 1738 states and 2164 transitions. [2018-10-27 00:55:44,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:55:44,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-10-27 00:55:44,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:44,468 INFO L225 Difference]: With dead ends: 1738 [2018-10-27 00:55:44,468 INFO L226 Difference]: Without dead ends: 1243 [2018-10-27 00:55:44,469 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:44,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2018-10-27 00:55:44,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1043. [2018-10-27 00:55:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2018-10-27 00:55:44,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1259 transitions. [2018-10-27 00:55:44,536 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1259 transitions. Word has length 83 [2018-10-27 00:55:44,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:44,537 INFO L481 AbstractCegarLoop]: Abstraction has 1043 states and 1259 transitions. [2018-10-27 00:55:44,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:55:44,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1259 transitions. [2018-10-27 00:55:44,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-27 00:55:44,538 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:44,538 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:44,538 INFO L424 AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:44,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:44,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1205681528, now seen corresponding path program 1 times [2018-10-27 00:55:44,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:44,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:44,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:44,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:44,540 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:44,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:44,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:55:44,791 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:44,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:55:44,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:55:44,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:55:44,792 INFO L87 Difference]: Start difference. First operand 1043 states and 1259 transitions. Second operand 5 states. [2018-10-27 00:55:46,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:46,387 INFO L93 Difference]: Finished difference Result 1873 states and 2223 transitions. [2018-10-27 00:55:46,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:55:46,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-10-27 00:55:46,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:46,391 INFO L225 Difference]: With dead ends: 1873 [2018-10-27 00:55:46,391 INFO L226 Difference]: Without dead ends: 1176 [2018-10-27 00:55:46,392 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:55:46,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2018-10-27 00:55:46,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1147. [2018-10-27 00:55:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2018-10-27 00:55:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1358 transitions. [2018-10-27 00:55:46,484 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1358 transitions. Word has length 78 [2018-10-27 00:55:46,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:46,484 INFO L481 AbstractCegarLoop]: Abstraction has 1147 states and 1358 transitions. [2018-10-27 00:55:46,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:55:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1358 transitions. [2018-10-27 00:55:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-27 00:55:46,489 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:46,489 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:46,490 INFO L424 AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:46,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:46,490 INFO L82 PathProgramCache]: Analyzing trace with hash -707993271, now seen corresponding path program 1 times [2018-10-27 00:55:46,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:46,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:46,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:46,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:46,491 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:46,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:46,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:46,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:55:46,718 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:46,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:55:46,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:55:46,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:46,719 INFO L87 Difference]: Start difference. First operand 1147 states and 1358 transitions. Second operand 9 states. [2018-10-27 00:55:46,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:46,912 INFO L93 Difference]: Finished difference Result 1149 states and 1359 transitions. [2018-10-27 00:55:46,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:55:46,913 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2018-10-27 00:55:46,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:46,915 INFO L225 Difference]: With dead ends: 1149 [2018-10-27 00:55:46,915 INFO L226 Difference]: Without dead ends: 1024 [2018-10-27 00:55:46,916 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:55:46,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2018-10-27 00:55:46,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1024. [2018-10-27 00:55:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2018-10-27 00:55:46,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1215 transitions. [2018-10-27 00:55:46,985 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1215 transitions. Word has length 81 [2018-10-27 00:55:46,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:46,986 INFO L481 AbstractCegarLoop]: Abstraction has 1024 states and 1215 transitions. [2018-10-27 00:55:46,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:55:46,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1215 transitions. [2018-10-27 00:55:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-27 00:55:46,987 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:46,987 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:46,987 INFO L424 AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:46,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:46,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1597536254, now seen corresponding path program 1 times [2018-10-27 00:55:46,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:46,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:46,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:46,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:46,989 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:47,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:47,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:55:47,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 00:55:47,171 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:47,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 00:55:47,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 00:55:47,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:55:47,172 INFO L87 Difference]: Start difference. First operand 1024 states and 1215 transitions. Second operand 9 states. [2018-10-27 00:55:47,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:55:47,315 INFO L93 Difference]: Finished difference Result 1061 states and 1254 transitions. [2018-10-27 00:55:47,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:55:47,316 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-10-27 00:55:47,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:55:47,318 INFO L225 Difference]: With dead ends: 1061 [2018-10-27 00:55:47,318 INFO L226 Difference]: Without dead ends: 1036 [2018-10-27 00:55:47,319 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-10-27 00:55:47,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-10-27 00:55:47,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1024. [2018-10-27 00:55:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2018-10-27 00:55:47,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1213 transitions. [2018-10-27 00:55:47,391 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1213 transitions. Word has length 88 [2018-10-27 00:55:47,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:55:47,391 INFO L481 AbstractCegarLoop]: Abstraction has 1024 states and 1213 transitions. [2018-10-27 00:55:47,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 00:55:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1213 transitions. [2018-10-27 00:55:47,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-27 00:55:47,392 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:55:47,393 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:55:47,393 INFO L424 AbstractCegarLoop]: === Iteration 55 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:55:47,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:55:47,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1371250876, now seen corresponding path program 1 times [2018-10-27 00:55:47,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:55:47,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:47,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:55:47,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:55:47,394 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:55:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:55:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:55:47,489 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 00:55:47,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:55:47 BoogieIcfgContainer [2018-10-27 00:55:47,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:55:47,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:55:47,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:55:47,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:55:47,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:55:02" (3/4) ... [2018-10-27 00:55:47,620 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 00:55:47,792 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_15184e0e-9c99-4b04-9411-83a0b8275e5f/bin-2019/utaipan/witness.graphml [2018-10-27 00:55:47,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:55:47,792 INFO L168 Benchmark]: Toolchain (without parser) took 48804.01 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 478.7 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -224.7 MB). Peak memory consumption was 253.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:55:47,794 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:55:47,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 927.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:55:47,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 927.5 MB in the beginning and 1.1 GB in the end (delta: -209.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:55:47,795 INFO L168 Benchmark]: Boogie Preprocessor took 71.23 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. [2018-10-27 00:55:47,795 INFO L168 Benchmark]: RCFGBuilder took 2988.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 120.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:55:47,796 INFO L168 Benchmark]: TraceAbstraction took 44777.43 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 335.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -190.6 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:55:47,796 INFO L168 Benchmark]: Witness Printer took 174.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:55:47,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 632.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 927.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 155.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 927.5 MB in the beginning and 1.1 GB in the end (delta: -209.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.23 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. * RCFGBuilder took 2988.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 120.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 44777.43 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 335.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -190.6 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. * Witness Printer took 174.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1626]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L41] int FloppyThread ; [L42] int KernelMode ; [L43] int Suspended ; [L44] int Executive ; [L45] int DiskController ; [L46] int FloppyDiskPeripheral ; [L47] int FlConfigCallBack ; [L48] int MaximumInterfaceType ; [L49] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L50] int myStatus ; [L51] int s ; [L52] int UNLOADED ; [L53] int NP ; [L54] int DC ; [L55] int SKIP1 ; [L56] int SKIP2 ; [L57] int MPR1 ; [L58] int MPR3 ; [L59] int IPC ; [L60] int pended ; [L61] int compRegistered ; [L62] int lowerDriverReturn ; [L63] int setEventCalled ; [L64] int customIrp ; [L87] int PagingReferenceCount = 0; [L88] int PagingMutex = 0; VAL [\old(compRegistered)=277, \old(customIrp)=280, \old(DC)=274, \old(DiskController)=276, \old(Executive)=278, \old(FlConfigCallBack)=265, \old(FloppyDiskPeripheral)=275, \old(FloppyThread)=261, \old(IPC)=262, \old(KernelMode)=272, \old(lowerDriverReturn)=285, \old(MaximumInterfaceType)=284, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=260, \old(MPR1)=268, \old(MPR3)=281, \old(myStatus)=283, \old(NP)=279, \old(PagingMutex)=266, \old(PagingReferenceCount)=270, \old(pended)=271, \old(s)=263, \old(setEventCalled)=282, \old(SKIP1)=267, \old(SKIP2)=264, \old(Suspended)=269, \old(UNLOADED)=273, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L667] int status ; [L668] int irp = __VERIFIER_nondet_int() ; [L669] int pirp ; [L670] int pirp__IoStatus__Status ; [L671] int irp_choice = __VERIFIER_nondet_int() ; [L672] int devobj = __VERIFIER_nondet_int() ; [L673] int __cil_tmp8 ; [L675] FloppyThread = 0 [L676] KernelMode = 0 [L677] Suspended = 0 [L678] Executive = 0 [L679] DiskController = 0 [L680] FloppyDiskPeripheral = 0 [L681] FlConfigCallBack = 0 [L682] MaximumInterfaceType = 0 [L683] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L684] myStatus = 0 [L685] s = 0 [L686] UNLOADED = 0 [L687] NP = 0 [L688] DC = 0 [L689] SKIP1 = 0 [L690] SKIP2 = 0 [L691] MPR1 = 0 [L692] MPR3 = 0 [L693] IPC = 0 [L694] pended = 0 [L695] compRegistered = 0 [L696] lowerDriverReturn = 0 [L697] setEventCalled = 0 [L698] customIrp = 0 [L702] status = 0 [L703] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L704] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L70] UNLOADED = 0 [L71] NP = 1 [L72] DC = 2 [L73] SKIP1 = 3 [L74] SKIP2 = 4 [L75] MPR1 = 5 [L76] MPR3 = 6 [L77] IPC = 7 [L78] s = UNLOADED [L79] pended = 0 [L80] compRegistered = 0 [L81] lowerDriverReturn = 0 [L82] setEventCalled = 0 [L83] RET customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L704] _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L706] COND TRUE status >= 0 [L707] s = NP [L708] customIrp = 0 [L709] setEventCalled = customIrp [L710] lowerDriverReturn = setEventCalled [L711] compRegistered = lowerDriverReturn [L712] pended = compRegistered [L713] pirp__IoStatus__Status = 0 [L714] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L715] COND TRUE irp_choice == 0 [L716] pirp__IoStatus__Status = -1073741637 [L717] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L720] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L657] s = NP [L658] pended = 0 [L659] compRegistered = 0 [L660] lowerDriverReturn = 0 [L661] setEventCalled = 0 [L662] RET customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L720] stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L723] COND FALSE !(status < 0) [L727] int tmp_ndt_1; [L728] tmp_ndt_1 = __VERIFIER_nondet_int() [L729] COND FALSE !(tmp_ndt_1 == 0) [L732] int tmp_ndt_2; [L733] tmp_ndt_2 = __VERIFIER_nondet_int() [L734] COND FALSE !(tmp_ndt_2 == 1) [L737] int tmp_ndt_3; [L738] tmp_ndt_3 = __VERIFIER_nondet_int() [L739] COND FALSE !(tmp_ndt_3 == 2) [L742] int tmp_ndt_4; [L743] tmp_ndt_4 = __VERIFIER_nondet_int() [L744] COND TRUE tmp_ndt_4 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L160] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L161] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L162] int Irp__IoStatus__Information ; [L163] int Irp__IoStatus__Status ; [L164] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L165] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L166] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L167] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L168] int disketteExtension__HoldNewRequests ; [L169] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L170] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L171] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L172] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L173] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L174] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L175] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L176] int irpSp ; [L177] int disketteExtension ; [L178] int ntStatus ; [L179] int doneEvent = __VERIFIER_nondet_int() ; [L180] int irpSp___0 ; [L181] int nextIrpSp ; [L182] int nextIrpSp__Control ; [L183] int irpSp___1 ; [L184] int irpSp__Context ; [L185] int irpSp__Control ; [L186] long __cil_tmp29 ; [L187] long __cil_tmp30 ; [L190] ntStatus = 0 [L191] PagingReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L192] COND TRUE PagingReferenceCount == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L195] disketteExtension = DeviceObject__DeviceExtension [L196] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L197] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L206] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L209] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L235] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L238] COND FALSE !(! disketteExtension__IsStarted) [L254] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L97] int status ; [L98] int threadHandle = __VERIFIER_nondet_int() ; [L99] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L100] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L101] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L102] int Irp__IoStatus__Status ; [L103] int Irp__IoStatus__Information ; [L104] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L105] int ObjAttributes = __VERIFIER_nondet_int() ; [L106] int __cil_tmp12 ; [L107] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-3, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L110] COND FALSE !(DisketteExtension__PoweringDown == 1) [L116] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L117] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L149] COND TRUE pended == 0 [L150] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L156] RET return (259); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L255] EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, FlQueueIrpToThread(Irp, disketteExtension)=259, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L258] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L261-L262] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1065] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1074] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1078] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1085] int tmp_ndt_12; [L1086] tmp_ndt_12 = __VERIFIER_nondet_int() [L1087] COND TRUE tmp_ndt_12 == 0 VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_12=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1093] RET return (0); VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, \result=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_12=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L261-L262] KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L264] COND TRUE disketteExtension__FloppyThread != 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L267] disketteExtension__FloppyThread = 0 [L268] Irp__IoStatus__Status = 0 [L269] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L270] COND TRUE s == NP [L271] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L278] Irp__CurrentLocation ++ [L279] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L967] int returnVal2 ; [L968] int compRetStatus1 ; [L969] int lcontext = __VERIFIER_nondet_int() ; [L970] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L973] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L986] int tmp_ndt_10; [L987] tmp_ndt_10 = __VERIFIER_nondet_int() [L988] COND TRUE tmp_ndt_10 == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L999] returnVal2 = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1012] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1016] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1025] COND TRUE s == SKIP1 [L1026] s = SKIP2 [L1027] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L1035] RET return (returnVal2); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0] [L280] EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L426] PagingReferenceCount -- VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L427] COND TRUE PagingReferenceCount == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L430] RET return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L766] EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] status = FloppyPnp(devobj, pirp) [L779] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L780] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L787] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L788] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L795] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L796] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L797] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L811] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L812] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L813] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1626] __VERIFIER_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 417 locations, 1 error locations. UNSAFE Result, 44.7s OverallTime, 55 OverallIterations, 1 TraceHistogramMax, 25.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25212 SDtfs, 11521 SDslu, 68955 SDs, 0 SdLazy, 7770 SolverSat, 1933 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 411 GetRequests, 129 SyntacticMatches, 12 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1272occurred in iteration=29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 54 MinimizatonAttempts, 1946 StatesRemovedByMinimization, 34 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 3087 NumberOfCodeBlocks, 3087 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2948 ConstructedInterpolants, 0 QuantifiedInterpolants, 309764 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 54 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...