./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 600447986a0d0a3d94421aa90c6997a7dd1eb35a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:35:05,700 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:35:05,701 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:35:05,710 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:35:05,710 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:35:05,711 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:35:05,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:35:05,712 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:35:05,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:35:05,714 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:35:05,715 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:35:05,715 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:35:05,716 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:35:05,716 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:35:05,717 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:35:05,718 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:35:05,718 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:35:05,720 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:35:05,721 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:35:05,722 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:35:05,723 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:35:05,724 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:35:05,726 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:35:05,726 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:35:05,726 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:35:05,727 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:35:05,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:35:05,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:35:05,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:35:05,730 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:35:05,730 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:35:05,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:35:05,731 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:35:05,731 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:35:05,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:35:05,732 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:35:05,732 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:35:05,742 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:35:05,742 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:35:05,743 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:35:05,743 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:35:05,743 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:35:05,743 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:35:05,743 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:35:05,743 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:35:05,743 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:35:05,744 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:35:05,744 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:35:05,744 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:35:05,744 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:35:05,744 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:35:05,744 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:35:05,744 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:35:05,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:35:05,745 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:35:05,745 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:35:05,745 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:35:05,745 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:35:05,745 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:35:05,745 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:35:05,745 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:35:05,746 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:35:05,746 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:35:05,746 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:35:05,746 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:35:05,746 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:35:05,746 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:35:05,746 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:35:05,750 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:35:05,750 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600447986a0d0a3d94421aa90c6997a7dd1eb35a [2018-11-18 14:35:05,775 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:35:05,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:35:05,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:35:05,789 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:35:05,789 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:35:05,790 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 14:35:05,832 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/data/7289b8eba/488f2ef6e7ac4caeab97672bd33a0e90/FLAGd57a1608b [2018-11-18 14:35:06,243 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:35:06,244 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 14:35:06,252 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/data/7289b8eba/488f2ef6e7ac4caeab97672bd33a0e90/FLAGd57a1608b [2018-11-18 14:35:06,609 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/data/7289b8eba/488f2ef6e7ac4caeab97672bd33a0e90 [2018-11-18 14:35:06,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:35:06,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:35:06,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:35:06,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:35:06,619 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:35:06,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:06,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3babae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06, skipping insertion in model container [2018-11-18 14:35:06,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:06,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:35:06,672 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:35:06,887 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:35:06,891 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:35:06,965 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:35:06,981 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:35:06,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06 WrapperNode [2018-11-18 14:35:06,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:35:06,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:35:06,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:35:06,982 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:35:06,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:07,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:07,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:35:07,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:35:07,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:35:07,101 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:35:07,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:07,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:07,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:07,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:07,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:07,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:07,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (1/1) ... [2018-11-18 14:35:07,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:35:07,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:35:07,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:35:07,172 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:35:07,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:35:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:35:07,399 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,400 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,403 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,403 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,408 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,408 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,411 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,412 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,413 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,413 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,417 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,417 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,420 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,420 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,424 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,424 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,426 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,426 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,427 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,427 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,433 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,433 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,437 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,437 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,438 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,439 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,440 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,440 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,443 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,443 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,447 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,448 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,458 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,458 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,465 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,465 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,470 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,470 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,475 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,475 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,483 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,483 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,485 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,485 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,486 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,486 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:07,491 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 14:35:07,491 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 14:35:09,757 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:35:09,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:35:09 BoogieIcfgContainer [2018-11-18 14:35:09,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:35:09,758 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:35:09,758 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:35:09,762 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:35:09,763 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:35:09,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:35:06" (1/3) ... [2018-11-18 14:35:09,764 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@404dfe6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:35:09, skipping insertion in model container [2018-11-18 14:35:09,764 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:35:09,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:06" (2/3) ... [2018-11-18 14:35:09,765 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@404dfe6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:35:09, skipping insertion in model container [2018-11-18 14:35:09,765 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:35:09,765 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:35:09" (3/3) ... [2018-11-18 14:35:09,767 INFO L375 chiAutomizerObserver]: Analyzing ICFG floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 14:35:09,825 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:35:09,825 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:35:09,825 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:35:09,825 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:35:09,825 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:35:09,826 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:35:09,826 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:35:09,826 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:35:09,826 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:35:09,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 435 states. [2018-11-18 14:35:09,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-11-18 14:35:09,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:35:09,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:35:09,894 INFO L866 BuchiCegarLoop]: Counterexample stem 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] [2018-11-18 14:35:09,894 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:35:09,894 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:35:09,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 435 states. [2018-11-18 14:35:09,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-11-18 14:35:09,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:35:09,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:35:09,906 INFO L866 BuchiCegarLoop]: Counterexample stem 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] [2018-11-18 14:35:09,906 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:35:09,914 INFO L794 eck$LassoCheckResult]: Stem: 294#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; 193#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet85, main_#t~nondet86, main_#t~nondet87, main_#t~nondet88, main_#t~ret89, main_~tmp_ndt_1~0, main_~status~1, main_~irp~1, main_~pirp~0, main_~pirp__IoStatus__Status~0, main_~irp_choice~0, main_~devobj~0, main_~__cil_tmp8~0;havoc main_~status~1;main_~irp~1 := main_#t~nondet85;havoc main_#t~nondet85;havoc main_~pirp~0;havoc main_~pirp__IoStatus__Status~0;main_~irp_choice~0 := main_#t~nondet86;havoc main_#t~nondet86;main_~devobj~0 := main_#t~nondet87;havoc main_#t~nondet87;havoc main_~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;main_~status~1 := 0;main_~pirp~0 := main_~irp~1;assume { :begin_inline__BLAST_init } true;~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 202#L87true assume { :end_inline__BLAST_init } true; 15#L709true assume main_~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;main_~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; 163#L718true assume !(0 == main_~irp_choice~0); 165#L718-2true assume { :begin_inline_stub_driver_init } true;~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 63#L666true assume { :end_inline_stub_driver_init } true; 321#L726true assume !(main_~status~1 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet88;havoc main_#t~nondet88; 60#L732true assume 3 == main_~tmp_ndt_1~0; 363#L733true assume { :begin_inline_FloppyPnp } true;FloppyPnp_#in~DeviceObject, FloppyPnp_#in~Irp := main_~devobj~0, main_~pirp~0;havoc FloppyPnp_#res;havoc FloppyPnp_#t~nondet12, FloppyPnp_#t~nondet13, FloppyPnp_#t~nondet14, FloppyPnp_#t~nondet15, FloppyPnp_#t~nondet16, FloppyPnp_#t~nondet17, FloppyPnp_#t~nondet18, FloppyPnp_#t~nondet19, FloppyPnp_#t~nondet20, FloppyPnp_#t~nondet21, FloppyPnp_#t~nondet22, FloppyPnp_#t~nondet23, FloppyPnp_#t~nondet24, FloppyPnp_#t~nondet25, FloppyPnp_#t~post26, FloppyPnp_#t~ret27, FloppyPnp_#t~post28, FloppyPnp_#t~post29, FloppyPnp_#t~ret30, FloppyPnp_#t~ret31, FloppyPnp_#t~ret32, FloppyPnp_#t~post33, FloppyPnp_#t~post34, FloppyPnp_#t~ret35, FloppyPnp_#t~post36, FloppyPnp_#t~post37, FloppyPnp_#t~ret38, FloppyPnp_#t~ret39, FloppyPnp_#t~ret40, FloppyPnp_#t~post41, FloppyPnp_#t~post42, FloppyPnp_#t~ret43, FloppyPnp_#t~post44, FloppyPnp_#t~post45, FloppyPnp_#t~ret46, FloppyPnp_#t~ret47, FloppyPnp_#t~ret48, FloppyPnp_#t~post49, FloppyPnp_#t~post50, FloppyPnp_#t~post51, FloppyPnp_#t~ret52, FloppyPnp_#t~post53, FloppyPnp_~DeviceObject, FloppyPnp_~Irp, FloppyPnp_~DeviceObject__DeviceExtension~0, FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0, FloppyPnp_~Irp__IoStatus__Information~1, FloppyPnp_~Irp__IoStatus__Status~1, FloppyPnp_~Irp__CurrentLocation~0, FloppyPnp_~disketteExtension__IsRemoved~0, FloppyPnp_~disketteExtension__IsStarted~0, FloppyPnp_~disketteExtension__TargetObject~0, FloppyPnp_~disketteExtension__HoldNewRequests~0, FloppyPnp_~disketteExtension__FloppyThread~0, FloppyPnp_~disketteExtension__InterfaceString__Buffer~0, FloppyPnp_~disketteExtension__InterfaceString~0, FloppyPnp_~disketteExtension__ArcName__Length~0, FloppyPnp_~disketteExtension__ArcName~0, FloppyPnp_~irpSp__MinorFunction~0, FloppyPnp_~IoGetConfigurationInformation__FloppyCount~0, FloppyPnp_~irpSp~0, FloppyPnp_~disketteExtension~0, FloppyPnp_~ntStatus~0, FloppyPnp_~doneEvent~0, FloppyPnp_~irpSp___0~0, FloppyPnp_~nextIrpSp~0, FloppyPnp_~nextIrpSp__Control~0, FloppyPnp_~irpSp___1~0, FloppyPnp_~irpSp__Context~0, FloppyPnp_~irpSp__Control~0, FloppyPnp_~__cil_tmp29~0, FloppyPnp_~__cil_tmp30~0;FloppyPnp_~DeviceObject := FloppyPnp_#in~DeviceObject;FloppyPnp_~Irp := FloppyPnp_#in~Irp;FloppyPnp_~DeviceObject__DeviceExtension~0 := FloppyPnp_#t~nondet12;havoc FloppyPnp_#t~nondet12;FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0 := FloppyPnp_#t~nondet13;havoc FloppyPnp_#t~nondet13;havoc FloppyPnp_~Irp__IoStatus__Information~1;havoc FloppyPnp_~Irp__IoStatus__Status~1;FloppyPnp_~Irp__CurrentLocation~0 := FloppyPnp_#t~nondet14;havoc FloppyPnp_#t~nondet14;FloppyPnp_~disketteExtension__IsRemoved~0 := FloppyPnp_#t~nondet15;havoc FloppyPnp_#t~nondet15;FloppyPnp_~disketteExtension__IsStarted~0 := FloppyPnp_#t~nondet16;havoc FloppyPnp_#t~nondet16;FloppyPnp_~disketteExtension__TargetObject~0 := FloppyPnp_#t~nondet17;havoc FloppyPnp_#t~nondet17;havoc FloppyPnp_~disketteExtension__HoldNewRequests~0;FloppyPnp_~disketteExtension__FloppyThread~0 := FloppyPnp_#t~nondet18;havoc FloppyPnp_#t~nondet18;FloppyPnp_~disketteExtension__InterfaceString__Buffer~0 := FloppyPnp_#t~nondet19;havoc FloppyPnp_#t~nondet19;FloppyPnp_~disketteExtension__InterfaceString~0 := FloppyPnp_#t~nondet20;havoc FloppyPnp_#t~nondet20;FloppyPnp_~disketteExtension__ArcName__Length~0 := FloppyPnp_#t~nondet21;havoc FloppyPnp_#t~nondet21;FloppyPnp_~disketteExtension__ArcName~0 := FloppyPnp_#t~nondet22;havoc FloppyPnp_#t~nondet22;FloppyPnp_~irpSp__MinorFunction~0 := FloppyPnp_#t~nondet23;havoc FloppyPnp_#t~nondet23;FloppyPnp_~IoGetConfigurationInformation__FloppyCount~0 := FloppyPnp_#t~nondet24;havoc FloppyPnp_#t~nondet24;havoc FloppyPnp_~irpSp~0;havoc FloppyPnp_~disketteExtension~0;havoc FloppyPnp_~ntStatus~0;FloppyPnp_~doneEvent~0 := FloppyPnp_#t~nondet25;havoc FloppyPnp_#t~nondet25;havoc FloppyPnp_~irpSp___0~0;havoc FloppyPnp_~nextIrpSp~0;havoc FloppyPnp_~nextIrpSp__Control~0;havoc FloppyPnp_~irpSp___1~0;havoc FloppyPnp_~irpSp__Context~0;havoc FloppyPnp_~irpSp__Control~0;havoc FloppyPnp_~__cil_tmp29~0;havoc FloppyPnp_~__cil_tmp30~0;FloppyPnp_~ntStatus~0 := 0;FloppyPnp_#t~post26 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + FloppyPnp_#t~post26;havoc FloppyPnp_#t~post26; 417#L195true assume !(1 == ~PagingReferenceCount~0); 414#L195-2true FloppyPnp_~disketteExtension~0 := FloppyPnp_~DeviceObject__DeviceExtension~0;FloppyPnp_~irpSp~0 := FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0; 178#L200true assume !(0 != FloppyPnp_~disketteExtension__IsRemoved~0); 281#L209true assume 0 == FloppyPnp_~irpSp__MinorFunction~0; 108#L210true assume { :begin_inline_FloppyStartDevice } true;FloppyStartDevice_#in~DeviceObject, FloppyStartDevice_#in~Irp := FloppyPnp_~DeviceObject, FloppyPnp_~Irp;havoc FloppyStartDevice_#res;havoc FloppyStartDevice_#t~nondet54, FloppyStartDevice_#t~nondet55, FloppyStartDevice_#t~nondet56, FloppyStartDevice_#t~nondet57, FloppyStartDevice_#t~nondet58, FloppyStartDevice_#t~nondet59, FloppyStartDevice_#t~nondet60, FloppyStartDevice_#t~nondet61, FloppyStartDevice_#t~nondet62, FloppyStartDevice_#t~nondet63, FloppyStartDevice_#t~nondet64, FloppyStartDevice_#t~nondet65, FloppyStartDevice_#t~nondet66, FloppyStartDevice_#t~nondet67, FloppyStartDevice_#t~nondet68, FloppyStartDevice_#t~nondet69, FloppyStartDevice_#t~ret70, FloppyStartDevice_#t~ret71, FloppyStartDevice_#t~ret72, FloppyStartDevice_#t~ret73, FloppyStartDevice_#t~ret74, FloppyStartDevice_#t~post75, FloppyStartDevice_#t~ret76, FloppyStartDevice_#t~ret77, FloppyStartDevice_~DeviceObject, FloppyStartDevice_~Irp, FloppyStartDevice_~DeviceObject__DeviceExtension~1, FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1, FloppyStartDevice_~Irp__IoStatus__Status~2, FloppyStartDevice_~disketteExtension__TargetObject~1, FloppyStartDevice_~disketteExtension__MaxTransferSize~0, FloppyStartDevice_~disketteExtension__DriveType~0, FloppyStartDevice_~disketteExtension__PerpendicularMode~0, FloppyStartDevice_~disketteExtension__DeviceUnit~0, FloppyStartDevice_~disketteExtension__DriveOnValue~0, FloppyStartDevice_~disketteExtension__UnderlyingPDO~0, FloppyStartDevice_~disketteExtension__InterfaceString~1, FloppyStartDevice_~disketteExtension__IsStarted~1, FloppyStartDevice_~disketteExtension__HoldNewRequests~1, FloppyStartDevice_~ntStatus~1, FloppyStartDevice_~pnpStatus~0, FloppyStartDevice_~doneEvent~1, FloppyStartDevice_~fdcInfo~0, FloppyStartDevice_~fdcInfo__BufferCount~0, FloppyStartDevice_~fdcInfo__BufferSize~0, FloppyStartDevice_~fdcInfo__MaxTransferSize~0, FloppyStartDevice_~fdcInfo__AcpiBios~0, FloppyStartDevice_~fdcInfo__AcpiFdiSupported~0, FloppyStartDevice_~fdcInfo__PeripheralNumber~0, FloppyStartDevice_~fdcInfo__BusType~0, FloppyStartDevice_~fdcInfo__ControllerNumber~0, FloppyStartDevice_~fdcInfo__UnitNumber~0, FloppyStartDevice_~fdcInfo__BusNumber~0, FloppyStartDevice_~Dc~0, FloppyStartDevice_~Fp~0, FloppyStartDevice_~disketteExtension~1, FloppyStartDevice_~irpSp~1, FloppyStartDevice_~irpSp___0~1, FloppyStartDevice_~nextIrpSp~1, FloppyStartDevice_~nextIrpSp__Control~1, FloppyStartDevice_~irpSp___1~1, FloppyStartDevice_~irpSp__Control~1, FloppyStartDevice_~irpSp__Context~1, FloppyStartDevice_~InterfaceType~0, FloppyStartDevice_~KUSER_SHARED_DATA__AlternativeArchitecture_NEC98x86~0, FloppyStartDevice_~__cil_tmp42~0, FloppyStartDevice_~__cil_tmp43~0, FloppyStartDevice_~__cil_tmp44~0, FloppyStartDevice_~__cil_tmp45~0, FloppyStartDevice_~__cil_tmp46~0, FloppyStartDevice_~__cil_tmp47~0, FloppyStartDevice_~__cil_tmp48~0, FloppyStartDevice_~__cil_tmp49~0;FloppyStartDevice_~DeviceObject := FloppyStartDevice_#in~DeviceObject;FloppyStartDevice_~Irp := FloppyStartDevice_#in~Irp;FloppyStartDevice_~DeviceObject__DeviceExtension~1 := FloppyStartDevice_#t~nondet54;havoc FloppyStartDevice_#t~nondet54;FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 := FloppyStartDevice_#t~nondet55;havoc FloppyStartDevice_#t~nondet55;havoc FloppyStartDevice_~Irp__IoStatus__Status~2;FloppyStartDevice_~disketteExtension__TargetObject~1 := FloppyStartDevice_#t~nondet56;havoc FloppyStartDevice_#t~nondet56;havoc FloppyStartDevice_~disketteExtension__MaxTransferSize~0;FloppyStartDevice_~disketteExtension__DriveType~0 := FloppyStartDevice_#t~nondet57;havoc FloppyStartDevice_#t~nondet57;havoc FloppyStartDevice_~disketteExtension__PerpendicularMode~0;havoc FloppyStartDevice_~disketteExtension__DeviceUnit~0;havoc FloppyStartDevice_~disketteExtension__DriveOnValue~0;FloppyStartDevice_~disketteExtension__UnderlyingPDO~0 := FloppyStartDevice_#t~nondet58;havoc FloppyStartDevice_#t~nondet58;FloppyStartDevice_~disketteExtension__InterfaceString~1 := FloppyStartDevice_#t~nondet59;havoc FloppyStartDevice_#t~nondet59;havoc FloppyStartDevice_~disketteExtension__IsStarted~1;havoc FloppyStartDevice_~disketteExtension__HoldNewRequests~1;havoc FloppyStartDevice_~ntStatus~1;havoc FloppyStartDevice_~pnpStatus~0;FloppyStartDevice_~doneEvent~1 := FloppyStartDevice_#t~nondet60;havoc FloppyStartDevice_#t~nondet60;FloppyStartDevice_~fdcInfo~0 := FloppyStartDevice_#t~nondet61;havoc FloppyStartDevice_#t~nondet61;havoc FloppyStartDevice_~fdcInfo__BufferCount~0;havoc FloppyStartDevice_~fdcInfo__BufferSize~0;FloppyStartDevice_~fdcInfo__MaxTransferSize~0 := FloppyStartDevice_#t~nondet62;havoc FloppyStartDevice_#t~nondet62;FloppyStartDevice_~fdcInfo__AcpiBios~0 := FloppyStartDevice_#t~nondet63;havoc FloppyStartDevice_#t~nondet63;FloppyStartDevice_~fdcInfo__AcpiFdiSupported~0 := FloppyStartDevice_#t~nondet64;havoc FloppyStartDevice_#t~nondet64;FloppyStartDevice_~fdcInfo__PeripheralNumber~0 := FloppyStartDevice_#t~nondet65;havoc FloppyStartDevice_#t~nondet65;havoc FloppyStartDevice_~fdcInfo__BusType~0;FloppyStartDevice_~fdcInfo__ControllerNumber~0 := FloppyStartDevice_#t~nondet66;havoc FloppyStartDevice_#t~nondet66;FloppyStartDevice_~fdcInfo__UnitNumber~0 := FloppyStartDevice_#t~nondet67;havoc FloppyStartDevice_#t~nondet67;FloppyStartDevice_~fdcInfo__BusNumber~0 := FloppyStartDevice_#t~nondet68;havoc FloppyStartDevice_#t~nondet68;havoc FloppyStartDevice_~Dc~0;havoc FloppyStartDevice_~Fp~0;havoc FloppyStartDevice_~disketteExtension~1;havoc FloppyStartDevice_~irpSp~1;havoc FloppyStartDevice_~irpSp___0~1;havoc FloppyStartDevice_~nextIrpSp~1;havoc FloppyStartDevice_~nextIrpSp__Control~1;havoc FloppyStartDevice_~irpSp___1~1;havoc FloppyStartDevice_~irpSp__Control~1;havoc FloppyStartDevice_~irpSp__Context~1;havoc FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~KUSER_SHARED_DATA__AlternativeArchitecture_NEC98x86~0 := FloppyStartDevice_#t~nondet69;havoc FloppyStartDevice_#t~nondet69;havoc FloppyStartDevice_~__cil_tmp42~0;havoc FloppyStartDevice_~__cil_tmp43~0;havoc FloppyStartDevice_~__cil_tmp44~0;havoc FloppyStartDevice_~__cil_tmp45~0;havoc FloppyStartDevice_~__cil_tmp46~0;havoc FloppyStartDevice_~__cil_tmp47~0;havoc FloppyStartDevice_~__cil_tmp48~0;havoc FloppyStartDevice_~__cil_tmp49~0;FloppyStartDevice_~Dc~0 := ~DiskController~0;FloppyStartDevice_~Fp~0 := ~FloppyDiskPeripheral~0;FloppyStartDevice_~disketteExtension~1 := FloppyStartDevice_~DeviceObject__DeviceExtension~1;FloppyStartDevice_~irpSp~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1;FloppyStartDevice_~irpSp___0~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1;FloppyStartDevice_~nextIrpSp~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 - 1;FloppyStartDevice_~nextIrpSp__Control~1 := 0; 387#L493true assume !(~s~0 != ~NP~0); 160#L498true assume !(0 != ~compRegistered~0);~compRegistered~0 := 1; 162#L498-2true FloppyStartDevice_~irpSp___1~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 - 1;FloppyStartDevice_~irpSp__Context~1 := FloppyStartDevice_~doneEvent~1;FloppyStartDevice_~irpSp__Control~1 := 224;assume { :begin_inline_IofCallDriver } true;IofCallDriver_#in~DeviceObject, IofCallDriver_#in~Irp := FloppyStartDevice_~disketteExtension__TargetObject~1, FloppyStartDevice_~Irp;havoc IofCallDriver_#res;havoc IofCallDriver_#t~nondet96, IofCallDriver_#t~ret97, IofCallDriver_#t~nondet98, IofCallDriver_#t~nondet99, IofCallDriver_~tmp_ndt_7~0, IofCallDriver_~tmp_ndt_12~0, IofCallDriver_~DeviceObject, IofCallDriver_~Irp, IofCallDriver_~returnVal2~0, IofCallDriver_~compRetStatus1~0, IofCallDriver_~lcontext~0, IofCallDriver_~__cil_tmp7~0;IofCallDriver_~DeviceObject := IofCallDriver_#in~DeviceObject;IofCallDriver_~Irp := IofCallDriver_#in~Irp;havoc IofCallDriver_~returnVal2~0;havoc IofCallDriver_~compRetStatus1~0;IofCallDriver_~lcontext~0 := IofCallDriver_#t~nondet96;havoc IofCallDriver_#t~nondet96;havoc IofCallDriver_~__cil_tmp7~0; 351#L943true assume !(0 != ~compRegistered~0); 338#L943-1true havoc IofCallDriver_~tmp_ndt_12~0;IofCallDriver_~tmp_ndt_12~0 := IofCallDriver_#t~nondet98;havoc IofCallDriver_#t~nondet98; 265#L958true assume 0 == IofCallDriver_~tmp_ndt_12~0; 113#L959true IofCallDriver_~returnVal2~0 := 0; 235#L978true assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0; 18#L995-2true IofCallDriver_#res := IofCallDriver_~returnVal2~0; 134#L1005true FloppyStartDevice_#t~ret70 := IofCallDriver_#res;assume { :end_inline_IofCallDriver } true;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret70;havoc FloppyStartDevice_#t~ret70;FloppyStartDevice_~__cil_tmp42~0 := FloppyStartDevice_~ntStatus~1; 423#L514true assume !(259 == FloppyStartDevice_~__cil_tmp42~0); 427#L514-2true FloppyStartDevice_~fdcInfo__BufferCount~0 := 0;FloppyStartDevice_~fdcInfo__BufferSize~0 := 0;FloppyStartDevice_~__cil_tmp43~0 := 3080;FloppyStartDevice_~__cil_tmp44~0 := 458752;FloppyStartDevice_~__cil_tmp45~0 := 461832;FloppyStartDevice_~__cil_tmp46~0 := 461835;assume { :begin_inline_FlFdcDeviceIo } true;FlFdcDeviceIo_#in~DeviceObject, FlFdcDeviceIo_#in~Ioctl, FlFdcDeviceIo_#in~Data := FloppyStartDevice_~disketteExtension__TargetObject~1, FloppyStartDevice_~__cil_tmp46~0, FloppyStartDevice_~fdcInfo~0;havoc FlFdcDeviceIo_#res;havoc FlFdcDeviceIo_#t~nondet79, FlFdcDeviceIo_#t~nondet80, FlFdcDeviceIo_#t~nondet81, FlFdcDeviceIo_#t~ret82, FlFdcDeviceIo_#t~ret83, FlFdcDeviceIo_#t~ret84, FlFdcDeviceIo_~DeviceObject, FlFdcDeviceIo_~Ioctl, FlFdcDeviceIo_~Data, FlFdcDeviceIo_~ntStatus~2, FlFdcDeviceIo_~irp~0, FlFdcDeviceIo_~irpStack~0, FlFdcDeviceIo_~doneEvent~2, FlFdcDeviceIo_~ioStatus~0, FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0, FlFdcDeviceIo_~irpStack__Parameters__DeviceIoControl__Type3InputBuffer~0, FlFdcDeviceIo_~__cil_tmp11~0;FlFdcDeviceIo_~DeviceObject := FlFdcDeviceIo_#in~DeviceObject;FlFdcDeviceIo_~Ioctl := FlFdcDeviceIo_#in~Ioctl;FlFdcDeviceIo_~Data := FlFdcDeviceIo_#in~Data;havoc FlFdcDeviceIo_~ntStatus~2;havoc FlFdcDeviceIo_~irp~0;havoc FlFdcDeviceIo_~irpStack~0;FlFdcDeviceIo_~doneEvent~2 := FlFdcDeviceIo_#t~nondet79;havoc FlFdcDeviceIo_#t~nondet79;FlFdcDeviceIo_~ioStatus~0 := FlFdcDeviceIo_#t~nondet80;havoc FlFdcDeviceIo_#t~nondet80;FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0 := FlFdcDeviceIo_#t~nondet81;havoc FlFdcDeviceIo_#t~nondet81;havoc FlFdcDeviceIo_~irpStack__Parameters__DeviceIoControl__Type3InputBuffer~0;havoc FlFdcDeviceIo_~__cil_tmp11~0;assume { :begin_inline_IoBuildDeviceIoControlRequest } true;IoBuildDeviceIoControlRequest_#in~IoControlCode, IoBuildDeviceIoControlRequest_#in~DeviceObject, IoBuildDeviceIoControlRequest_#in~InputBuffer, IoBuildDeviceIoControlRequest_#in~InputBufferLength, IoBuildDeviceIoControlRequest_#in~OutputBuffer, IoBuildDeviceIoControlRequest_#in~OutputBufferLength, IoBuildDeviceIoControlRequest_#in~InternalDeviceIoControl, IoBuildDeviceIoControlRequest_#in~Event, IoBuildDeviceIoControlRequest_#in~IoStatusBlock := FlFdcDeviceIo_~Ioctl, FlFdcDeviceIo_~DeviceObject, 0, 0, 0, 0, 1, FlFdcDeviceIo_~doneEvent~2, FlFdcDeviceIo_~ioStatus~0;havoc IoBuildDeviceIoControlRequest_#res;havoc IoBuildDeviceIoControlRequest_#t~nondet90, IoBuildDeviceIoControlRequest_#t~nondet91, IoBuildDeviceIoControlRequest_~tmp_ndt_2~0, IoBuildDeviceIoControlRequest_~IoControlCode, IoBuildDeviceIoControlRequest_~DeviceObject, IoBuildDeviceIoControlRequest_~InputBuffer, IoBuildDeviceIoControlRequest_~InputBufferLength, IoBuildDeviceIoControlRequest_~OutputBuffer, IoBuildDeviceIoControlRequest_~OutputBufferLength, IoBuildDeviceIoControlRequest_~InternalDeviceIoControl, IoBuildDeviceIoControlRequest_~Event, IoBuildDeviceIoControlRequest_~IoStatusBlock, IoBuildDeviceIoControlRequest_~malloc~0;IoBuildDeviceIoControlRequest_~IoControlCode := IoBuildDeviceIoControlRequest_#in~IoControlCode;IoBuildDeviceIoControlRequest_~DeviceObject := IoBuildDeviceIoControlRequest_#in~DeviceObject;IoBuildDeviceIoControlRequest_~InputBuffer := IoBuildDeviceIoControlRequest_#in~InputBuffer;IoBuildDeviceIoControlRequest_~InputBufferLength := IoBuildDeviceIoControlRequest_#in~InputBufferLength;IoBuildDeviceIoControlRequest_~OutputBuffer := IoBuildDeviceIoControlRequest_#in~OutputBuffer;IoBuildDeviceIoControlRequest_~OutputBufferLength := IoBuildDeviceIoControlRequest_#in~OutputBufferLength;IoBuildDeviceIoControlRequest_~InternalDeviceIoControl := IoBuildDeviceIoControlRequest_#in~InternalDeviceIoControl;IoBuildDeviceIoControlRequest_~Event := IoBuildDeviceIoControlRequest_#in~Event;IoBuildDeviceIoControlRequest_~IoStatusBlock := IoBuildDeviceIoControlRequest_#in~IoStatusBlock;IoBuildDeviceIoControlRequest_~malloc~0 := IoBuildDeviceIoControlRequest_#t~nondet90;havoc IoBuildDeviceIoControlRequest_#t~nondet90;~customIrp~0 := 1;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_2~0;IoBuildDeviceIoControlRequest_~tmp_ndt_2~0 := IoBuildDeviceIoControlRequest_#t~nondet91;havoc IoBuildDeviceIoControlRequest_#t~nondet91; 10#L819true assume 0 == IoBuildDeviceIoControlRequest_~tmp_ndt_2~0; 54#L820true IoBuildDeviceIoControlRequest_#res := IoBuildDeviceIoControlRequest_~malloc~0; 55#L809true FlFdcDeviceIo_#t~ret82 := IoBuildDeviceIoControlRequest_#res;assume { :end_inline_IoBuildDeviceIoControlRequest } true;FlFdcDeviceIo_~irp~0 := FlFdcDeviceIo_#t~ret82;havoc FlFdcDeviceIo_#t~ret82; 95#L629true assume 0 == FlFdcDeviceIo_~irp~0;FlFdcDeviceIo_#res := -1073741670; 435#L646true FloppyStartDevice_#t~ret72 := FlFdcDeviceIo_#res;assume { :end_inline_FlFdcDeviceIo } true;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret72;havoc FloppyStartDevice_#t~ret72; 86#L530true assume FloppyStartDevice_~ntStatus~1 >= 0;FloppyStartDevice_~disketteExtension__MaxTransferSize~0 := FloppyStartDevice_~fdcInfo__MaxTransferSize~0; 27#L532true assume !(0 != FloppyStartDevice_~fdcInfo__AcpiBios~0); 51#L545true assume !(4 == FloppyStartDevice_~disketteExtension__DriveType~0); 358#L546-1true FloppyStartDevice_~InterfaceType~0 := 0; 90#L552-3true [2018-11-18 14:35:09,915 INFO L796 eck$LassoCheckResult]: Loop: 90#L552-3true assume true; 87#L552-1true assume !false; 157#L553true assume !(FloppyStartDevice_~InterfaceType~0 >= ~MaximumInterfaceType~0);FloppyStartDevice_~fdcInfo__BusType~0 := FloppyStartDevice_~InterfaceType~0;assume { :begin_inline_IoQueryDeviceDescription } true;IoQueryDeviceDescription_#in~BusType, IoQueryDeviceDescription_#in~BusNumber, IoQueryDeviceDescription_#in~ControllerType, IoQueryDeviceDescription_#in~ControllerNumber, IoQueryDeviceDescription_#in~PeripheralType, IoQueryDeviceDescription_#in~PeripheralNumber, IoQueryDeviceDescription_#in~CalloutRoutine, IoQueryDeviceDescription_#in~Context := FloppyStartDevice_~fdcInfo__BusType~0, FloppyStartDevice_~fdcInfo__BusNumber~0, FloppyStartDevice_~Dc~0, FloppyStartDevice_~fdcInfo__ControllerNumber~0, FloppyStartDevice_~Fp~0, FloppyStartDevice_~fdcInfo__PeripheralNumber~0, ~FlConfigCallBack~0, FloppyStartDevice_~disketteExtension~1;havoc IoQueryDeviceDescription_#res;havoc IoQueryDeviceDescription_#t~nondet93, IoQueryDeviceDescription_~tmp_ndt_4~0, IoQueryDeviceDescription_~BusType, IoQueryDeviceDescription_~BusNumber, IoQueryDeviceDescription_~ControllerType, IoQueryDeviceDescription_~ControllerNumber, IoQueryDeviceDescription_~PeripheralType, IoQueryDeviceDescription_~PeripheralNumber, IoQueryDeviceDescription_~CalloutRoutine, IoQueryDeviceDescription_~Context;IoQueryDeviceDescription_~BusType := IoQueryDeviceDescription_#in~BusType;IoQueryDeviceDescription_~BusNumber := IoQueryDeviceDescription_#in~BusNumber;IoQueryDeviceDescription_~ControllerType := IoQueryDeviceDescription_#in~ControllerType;IoQueryDeviceDescription_~ControllerNumber := IoQueryDeviceDescription_#in~ControllerNumber;IoQueryDeviceDescription_~PeripheralType := IoQueryDeviceDescription_#in~PeripheralType;IoQueryDeviceDescription_~PeripheralNumber := IoQueryDeviceDescription_#in~PeripheralNumber;IoQueryDeviceDescription_~CalloutRoutine := IoQueryDeviceDescription_#in~CalloutRoutine;IoQueryDeviceDescription_~Context := IoQueryDeviceDescription_#in~Context;havoc IoQueryDeviceDescription_~tmp_ndt_4~0;IoQueryDeviceDescription_~tmp_ndt_4~0 := IoQueryDeviceDescription_#t~nondet93;havoc IoQueryDeviceDescription_#t~nondet93; 23#L863true assume 0 == IoQueryDeviceDescription_~tmp_ndt_4~0; 69#L864true IoQueryDeviceDescription_#res := 0; 343#L855true FloppyStartDevice_#t~ret74 := IoQueryDeviceDescription_#res;assume { :end_inline_IoQueryDeviceDescription } true;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret74;havoc FloppyStartDevice_#t~ret74; 155#L564true assume !(FloppyStartDevice_~ntStatus~1 >= 0);FloppyStartDevice_#t~post75 := FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~InterfaceType~0 := 1 + FloppyStartDevice_#t~post75;havoc FloppyStartDevice_#t~post75; 90#L552-3true [2018-11-18 14:35:09,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:09,927 INFO L82 PathProgramCache]: Analyzing trace with hash 916684374, now seen corresponding path program 1 times [2018-11-18 14:35:09,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:35:09,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:35:09,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:09,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:35:09,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:35:10,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:35:10,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:35:10,096 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 14:35:10,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:10,096 INFO L82 PathProgramCache]: Analyzing trace with hash 555675315, now seen corresponding path program 1 times [2018-11-18 14:35:10,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:35:10,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:35:10,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:10,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:35:10,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:10,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:35:10,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:35:10,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:35:10,131 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:35:10,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:35:10,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:35:10,147 INFO L87 Difference]: Start difference. First operand 435 states. Second operand 4 states. [2018-11-18 14:35:10,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:35:10,253 INFO L93 Difference]: Finished difference Result 480 states and 645 transitions. [2018-11-18 14:35:10,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:35:10,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 480 states and 645 transitions. [2018-11-18 14:35:10,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-11-18 14:35:10,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 480 states to 100 states and 130 transitions. [2018-11-18 14:35:10,273 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 100 [2018-11-18 14:35:10,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 100 [2018-11-18 14:35:10,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 130 transitions. [2018-11-18 14:35:10,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:35:10,276 INFO L705 BuchiCegarLoop]: Abstraction has 100 states and 130 transitions. [2018-11-18 14:35:10,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 130 transitions. [2018-11-18 14:35:10,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 94. [2018-11-18 14:35:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-18 14:35:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 124 transitions. [2018-11-18 14:35:10,303 INFO L728 BuchiCegarLoop]: Abstraction has 94 states and 124 transitions. [2018-11-18 14:35:10,303 INFO L608 BuchiCegarLoop]: Abstraction has 94 states and 124 transitions. [2018-11-18 14:35:10,303 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:35:10,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 124 transitions. [2018-11-18 14:35:10,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-11-18 14:35:10,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:35:10,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:35:10,305 INFO L866 BuchiCegarLoop]: Counterexample stem 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] [2018-11-18 14:35:10,305 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:35:10,305 INFO L794 eck$LassoCheckResult]: Stem: 1002#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; 959#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet85, main_#t~nondet86, main_#t~nondet87, main_#t~nondet88, main_#t~ret89, main_~tmp_ndt_1~0, main_~status~1, main_~irp~1, main_~pirp~0, main_~pirp__IoStatus__Status~0, main_~irp_choice~0, main_~devobj~0, main_~__cil_tmp8~0;havoc main_~status~1;main_~irp~1 := main_#t~nondet85;havoc main_#t~nondet85;havoc main_~pirp~0;havoc main_~pirp__IoStatus__Status~0;main_~irp_choice~0 := main_#t~nondet86;havoc main_#t~nondet86;main_~devobj~0 := main_#t~nondet87;havoc main_#t~nondet87;havoc main_~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;main_~status~1 := 0;main_~pirp~0 := main_~irp~1;assume { :begin_inline__BLAST_init } true;~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 960#L87 assume { :end_inline__BLAST_init } true; 973#L709 assume main_~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;main_~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; 977#L718 assume !(0 == main_~irp_choice~0); 1013#L718-2 assume { :begin_inline_stub_driver_init } true;~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 1011#L666 assume { :end_inline_stub_driver_init } true; 1012#L726 assume !(main_~status~1 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet88;havoc main_#t~nondet88; 1006#L732 assume 3 == main_~tmp_ndt_1~0; 1007#L733 assume { :begin_inline_FloppyPnp } true;FloppyPnp_#in~DeviceObject, FloppyPnp_#in~Irp := main_~devobj~0, main_~pirp~0;havoc FloppyPnp_#res;havoc FloppyPnp_#t~nondet12, FloppyPnp_#t~nondet13, FloppyPnp_#t~nondet14, FloppyPnp_#t~nondet15, FloppyPnp_#t~nondet16, FloppyPnp_#t~nondet17, FloppyPnp_#t~nondet18, FloppyPnp_#t~nondet19, FloppyPnp_#t~nondet20, FloppyPnp_#t~nondet21, FloppyPnp_#t~nondet22, FloppyPnp_#t~nondet23, FloppyPnp_#t~nondet24, FloppyPnp_#t~nondet25, FloppyPnp_#t~post26, FloppyPnp_#t~ret27, FloppyPnp_#t~post28, FloppyPnp_#t~post29, FloppyPnp_#t~ret30, FloppyPnp_#t~ret31, FloppyPnp_#t~ret32, FloppyPnp_#t~post33, FloppyPnp_#t~post34, FloppyPnp_#t~ret35, FloppyPnp_#t~post36, FloppyPnp_#t~post37, FloppyPnp_#t~ret38, FloppyPnp_#t~ret39, FloppyPnp_#t~ret40, FloppyPnp_#t~post41, FloppyPnp_#t~post42, FloppyPnp_#t~ret43, FloppyPnp_#t~post44, FloppyPnp_#t~post45, FloppyPnp_#t~ret46, FloppyPnp_#t~ret47, FloppyPnp_#t~ret48, FloppyPnp_#t~post49, FloppyPnp_#t~post50, FloppyPnp_#t~post51, FloppyPnp_#t~ret52, FloppyPnp_#t~post53, FloppyPnp_~DeviceObject, FloppyPnp_~Irp, FloppyPnp_~DeviceObject__DeviceExtension~0, FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0, FloppyPnp_~Irp__IoStatus__Information~1, FloppyPnp_~Irp__IoStatus__Status~1, FloppyPnp_~Irp__CurrentLocation~0, FloppyPnp_~disketteExtension__IsRemoved~0, FloppyPnp_~disketteExtension__IsStarted~0, FloppyPnp_~disketteExtension__TargetObject~0, FloppyPnp_~disketteExtension__HoldNewRequests~0, FloppyPnp_~disketteExtension__FloppyThread~0, FloppyPnp_~disketteExtension__InterfaceString__Buffer~0, FloppyPnp_~disketteExtension__InterfaceString~0, FloppyPnp_~disketteExtension__ArcName__Length~0, FloppyPnp_~disketteExtension__ArcName~0, FloppyPnp_~irpSp__MinorFunction~0, FloppyPnp_~IoGetConfigurationInformation__FloppyCount~0, FloppyPnp_~irpSp~0, FloppyPnp_~disketteExtension~0, FloppyPnp_~ntStatus~0, FloppyPnp_~doneEvent~0, FloppyPnp_~irpSp___0~0, FloppyPnp_~nextIrpSp~0, FloppyPnp_~nextIrpSp__Control~0, FloppyPnp_~irpSp___1~0, FloppyPnp_~irpSp__Context~0, FloppyPnp_~irpSp__Control~0, FloppyPnp_~__cil_tmp29~0, FloppyPnp_~__cil_tmp30~0;FloppyPnp_~DeviceObject := FloppyPnp_#in~DeviceObject;FloppyPnp_~Irp := FloppyPnp_#in~Irp;FloppyPnp_~DeviceObject__DeviceExtension~0 := FloppyPnp_#t~nondet12;havoc FloppyPnp_#t~nondet12;FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0 := FloppyPnp_#t~nondet13;havoc FloppyPnp_#t~nondet13;havoc FloppyPnp_~Irp__IoStatus__Information~1;havoc FloppyPnp_~Irp__IoStatus__Status~1;FloppyPnp_~Irp__CurrentLocation~0 := FloppyPnp_#t~nondet14;havoc FloppyPnp_#t~nondet14;FloppyPnp_~disketteExtension__IsRemoved~0 := FloppyPnp_#t~nondet15;havoc FloppyPnp_#t~nondet15;FloppyPnp_~disketteExtension__IsStarted~0 := FloppyPnp_#t~nondet16;havoc FloppyPnp_#t~nondet16;FloppyPnp_~disketteExtension__TargetObject~0 := FloppyPnp_#t~nondet17;havoc FloppyPnp_#t~nondet17;havoc FloppyPnp_~disketteExtension__HoldNewRequests~0;FloppyPnp_~disketteExtension__FloppyThread~0 := FloppyPnp_#t~nondet18;havoc FloppyPnp_#t~nondet18;FloppyPnp_~disketteExtension__InterfaceString__Buffer~0 := FloppyPnp_#t~nondet19;havoc FloppyPnp_#t~nondet19;FloppyPnp_~disketteExtension__InterfaceString~0 := FloppyPnp_#t~nondet20;havoc FloppyPnp_#t~nondet20;FloppyPnp_~disketteExtension__ArcName__Length~0 := FloppyPnp_#t~nondet21;havoc FloppyPnp_#t~nondet21;FloppyPnp_~disketteExtension__ArcName~0 := FloppyPnp_#t~nondet22;havoc FloppyPnp_#t~nondet22;FloppyPnp_~irpSp__MinorFunction~0 := FloppyPnp_#t~nondet23;havoc FloppyPnp_#t~nondet23;FloppyPnp_~IoGetConfigurationInformation__FloppyCount~0 := FloppyPnp_#t~nondet24;havoc FloppyPnp_#t~nondet24;havoc FloppyPnp_~irpSp~0;havoc FloppyPnp_~disketteExtension~0;havoc FloppyPnp_~ntStatus~0;FloppyPnp_~doneEvent~0 := FloppyPnp_#t~nondet25;havoc FloppyPnp_#t~nondet25;havoc FloppyPnp_~irpSp___0~0;havoc FloppyPnp_~nextIrpSp~0;havoc FloppyPnp_~nextIrpSp__Control~0;havoc FloppyPnp_~irpSp___1~0;havoc FloppyPnp_~irpSp__Context~0;havoc FloppyPnp_~irpSp__Control~0;havoc FloppyPnp_~__cil_tmp29~0;havoc FloppyPnp_~__cil_tmp30~0;FloppyPnp_~ntStatus~0 := 0;FloppyPnp_#t~post26 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + FloppyPnp_#t~post26;havoc FloppyPnp_#t~post26; 1016#L195 assume !(1 == ~PagingReferenceCount~0); 1018#L195-2 FloppyPnp_~disketteExtension~0 := FloppyPnp_~DeviceObject__DeviceExtension~0;FloppyPnp_~irpSp~0 := FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0; 1019#L200 assume !(0 != FloppyPnp_~disketteExtension__IsRemoved~0); 982#L209 assume 0 == FloppyPnp_~irpSp__MinorFunction~0; 983#L210 assume { :begin_inline_FloppyStartDevice } true;FloppyStartDevice_#in~DeviceObject, FloppyStartDevice_#in~Irp := FloppyPnp_~DeviceObject, FloppyPnp_~Irp;havoc FloppyStartDevice_#res;havoc FloppyStartDevice_#t~nondet54, FloppyStartDevice_#t~nondet55, FloppyStartDevice_#t~nondet56, FloppyStartDevice_#t~nondet57, FloppyStartDevice_#t~nondet58, FloppyStartDevice_#t~nondet59, FloppyStartDevice_#t~nondet60, FloppyStartDevice_#t~nondet61, FloppyStartDevice_#t~nondet62, FloppyStartDevice_#t~nondet63, FloppyStartDevice_#t~nondet64, FloppyStartDevice_#t~nondet65, FloppyStartDevice_#t~nondet66, FloppyStartDevice_#t~nondet67, FloppyStartDevice_#t~nondet68, FloppyStartDevice_#t~nondet69, FloppyStartDevice_#t~ret70, FloppyStartDevice_#t~ret71, FloppyStartDevice_#t~ret72, FloppyStartDevice_#t~ret73, FloppyStartDevice_#t~ret74, FloppyStartDevice_#t~post75, FloppyStartDevice_#t~ret76, FloppyStartDevice_#t~ret77, FloppyStartDevice_~DeviceObject, FloppyStartDevice_~Irp, FloppyStartDevice_~DeviceObject__DeviceExtension~1, FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1, FloppyStartDevice_~Irp__IoStatus__Status~2, FloppyStartDevice_~disketteExtension__TargetObject~1, FloppyStartDevice_~disketteExtension__MaxTransferSize~0, FloppyStartDevice_~disketteExtension__DriveType~0, FloppyStartDevice_~disketteExtension__PerpendicularMode~0, FloppyStartDevice_~disketteExtension__DeviceUnit~0, FloppyStartDevice_~disketteExtension__DriveOnValue~0, FloppyStartDevice_~disketteExtension__UnderlyingPDO~0, FloppyStartDevice_~disketteExtension__InterfaceString~1, FloppyStartDevice_~disketteExtension__IsStarted~1, FloppyStartDevice_~disketteExtension__HoldNewRequests~1, FloppyStartDevice_~ntStatus~1, FloppyStartDevice_~pnpStatus~0, FloppyStartDevice_~doneEvent~1, FloppyStartDevice_~fdcInfo~0, FloppyStartDevice_~fdcInfo__BufferCount~0, FloppyStartDevice_~fdcInfo__BufferSize~0, FloppyStartDevice_~fdcInfo__MaxTransferSize~0, FloppyStartDevice_~fdcInfo__AcpiBios~0, FloppyStartDevice_~fdcInfo__AcpiFdiSupported~0, FloppyStartDevice_~fdcInfo__PeripheralNumber~0, FloppyStartDevice_~fdcInfo__BusType~0, FloppyStartDevice_~fdcInfo__ControllerNumber~0, FloppyStartDevice_~fdcInfo__UnitNumber~0, FloppyStartDevice_~fdcInfo__BusNumber~0, FloppyStartDevice_~Dc~0, FloppyStartDevice_~Fp~0, FloppyStartDevice_~disketteExtension~1, FloppyStartDevice_~irpSp~1, FloppyStartDevice_~irpSp___0~1, FloppyStartDevice_~nextIrpSp~1, FloppyStartDevice_~nextIrpSp__Control~1, FloppyStartDevice_~irpSp___1~1, FloppyStartDevice_~irpSp__Control~1, FloppyStartDevice_~irpSp__Context~1, FloppyStartDevice_~InterfaceType~0, FloppyStartDevice_~KUSER_SHARED_DATA__AlternativeArchitecture_NEC98x86~0, FloppyStartDevice_~__cil_tmp42~0, FloppyStartDevice_~__cil_tmp43~0, FloppyStartDevice_~__cil_tmp44~0, FloppyStartDevice_~__cil_tmp45~0, FloppyStartDevice_~__cil_tmp46~0, FloppyStartDevice_~__cil_tmp47~0, FloppyStartDevice_~__cil_tmp48~0, FloppyStartDevice_~__cil_tmp49~0;FloppyStartDevice_~DeviceObject := FloppyStartDevice_#in~DeviceObject;FloppyStartDevice_~Irp := FloppyStartDevice_#in~Irp;FloppyStartDevice_~DeviceObject__DeviceExtension~1 := FloppyStartDevice_#t~nondet54;havoc FloppyStartDevice_#t~nondet54;FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 := FloppyStartDevice_#t~nondet55;havoc FloppyStartDevice_#t~nondet55;havoc FloppyStartDevice_~Irp__IoStatus__Status~2;FloppyStartDevice_~disketteExtension__TargetObject~1 := FloppyStartDevice_#t~nondet56;havoc FloppyStartDevice_#t~nondet56;havoc FloppyStartDevice_~disketteExtension__MaxTransferSize~0;FloppyStartDevice_~disketteExtension__DriveType~0 := FloppyStartDevice_#t~nondet57;havoc FloppyStartDevice_#t~nondet57;havoc FloppyStartDevice_~disketteExtension__PerpendicularMode~0;havoc FloppyStartDevice_~disketteExtension__DeviceUnit~0;havoc FloppyStartDevice_~disketteExtension__DriveOnValue~0;FloppyStartDevice_~disketteExtension__UnderlyingPDO~0 := FloppyStartDevice_#t~nondet58;havoc FloppyStartDevice_#t~nondet58;FloppyStartDevice_~disketteExtension__InterfaceString~1 := FloppyStartDevice_#t~nondet59;havoc FloppyStartDevice_#t~nondet59;havoc FloppyStartDevice_~disketteExtension__IsStarted~1;havoc FloppyStartDevice_~disketteExtension__HoldNewRequests~1;havoc FloppyStartDevice_~ntStatus~1;havoc FloppyStartDevice_~pnpStatus~0;FloppyStartDevice_~doneEvent~1 := FloppyStartDevice_#t~nondet60;havoc FloppyStartDevice_#t~nondet60;FloppyStartDevice_~fdcInfo~0 := FloppyStartDevice_#t~nondet61;havoc FloppyStartDevice_#t~nondet61;havoc FloppyStartDevice_~fdcInfo__BufferCount~0;havoc FloppyStartDevice_~fdcInfo__BufferSize~0;FloppyStartDevice_~fdcInfo__MaxTransferSize~0 := FloppyStartDevice_#t~nondet62;havoc FloppyStartDevice_#t~nondet62;FloppyStartDevice_~fdcInfo__AcpiBios~0 := FloppyStartDevice_#t~nondet63;havoc FloppyStartDevice_#t~nondet63;FloppyStartDevice_~fdcInfo__AcpiFdiSupported~0 := FloppyStartDevice_#t~nondet64;havoc FloppyStartDevice_#t~nondet64;FloppyStartDevice_~fdcInfo__PeripheralNumber~0 := FloppyStartDevice_#t~nondet65;havoc FloppyStartDevice_#t~nondet65;havoc FloppyStartDevice_~fdcInfo__BusType~0;FloppyStartDevice_~fdcInfo__ControllerNumber~0 := FloppyStartDevice_#t~nondet66;havoc FloppyStartDevice_#t~nondet66;FloppyStartDevice_~fdcInfo__UnitNumber~0 := FloppyStartDevice_#t~nondet67;havoc FloppyStartDevice_#t~nondet67;FloppyStartDevice_~fdcInfo__BusNumber~0 := FloppyStartDevice_#t~nondet68;havoc FloppyStartDevice_#t~nondet68;havoc FloppyStartDevice_~Dc~0;havoc FloppyStartDevice_~Fp~0;havoc FloppyStartDevice_~disketteExtension~1;havoc FloppyStartDevice_~irpSp~1;havoc FloppyStartDevice_~irpSp___0~1;havoc FloppyStartDevice_~nextIrpSp~1;havoc FloppyStartDevice_~nextIrpSp__Control~1;havoc FloppyStartDevice_~irpSp___1~1;havoc FloppyStartDevice_~irpSp__Control~1;havoc FloppyStartDevice_~irpSp__Context~1;havoc FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~KUSER_SHARED_DATA__AlternativeArchitecture_NEC98x86~0 := FloppyStartDevice_#t~nondet69;havoc FloppyStartDevice_#t~nondet69;havoc FloppyStartDevice_~__cil_tmp42~0;havoc FloppyStartDevice_~__cil_tmp43~0;havoc FloppyStartDevice_~__cil_tmp44~0;havoc FloppyStartDevice_~__cil_tmp45~0;havoc FloppyStartDevice_~__cil_tmp46~0;havoc FloppyStartDevice_~__cil_tmp47~0;havoc FloppyStartDevice_~__cil_tmp48~0;havoc FloppyStartDevice_~__cil_tmp49~0;FloppyStartDevice_~Dc~0 := ~DiskController~0;FloppyStartDevice_~Fp~0 := ~FloppyDiskPeripheral~0;FloppyStartDevice_~disketteExtension~1 := FloppyStartDevice_~DeviceObject__DeviceExtension~1;FloppyStartDevice_~irpSp~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1;FloppyStartDevice_~irpSp___0~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1;FloppyStartDevice_~nextIrpSp~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 - 1;FloppyStartDevice_~nextIrpSp__Control~1 := 0; 944#L493 assume !(~s~0 != ~NP~0); 945#L498 assume !(0 != ~compRegistered~0);~compRegistered~0 := 1; 1003#L498-2 FloppyStartDevice_~irpSp___1~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 - 1;FloppyStartDevice_~irpSp__Context~1 := FloppyStartDevice_~doneEvent~1;FloppyStartDevice_~irpSp__Control~1 := 224;assume { :begin_inline_IofCallDriver } true;IofCallDriver_#in~DeviceObject, IofCallDriver_#in~Irp := FloppyStartDevice_~disketteExtension__TargetObject~1, FloppyStartDevice_~Irp;havoc IofCallDriver_#res;havoc IofCallDriver_#t~nondet96, IofCallDriver_#t~ret97, IofCallDriver_#t~nondet98, IofCallDriver_#t~nondet99, IofCallDriver_~tmp_ndt_7~0, IofCallDriver_~tmp_ndt_12~0, IofCallDriver_~DeviceObject, IofCallDriver_~Irp, IofCallDriver_~returnVal2~0, IofCallDriver_~compRetStatus1~0, IofCallDriver_~lcontext~0, IofCallDriver_~__cil_tmp7~0;IofCallDriver_~DeviceObject := IofCallDriver_#in~DeviceObject;IofCallDriver_~Irp := IofCallDriver_#in~Irp;havoc IofCallDriver_~returnVal2~0;havoc IofCallDriver_~compRetStatus1~0;IofCallDriver_~lcontext~0 := IofCallDriver_#t~nondet96;havoc IofCallDriver_#t~nondet96;havoc IofCallDriver_~__cil_tmp7~0; 979#L943 assume !(0 != ~compRegistered~0); 934#L943-1 havoc IofCallDriver_~tmp_ndt_12~0;IofCallDriver_~tmp_ndt_12~0 := IofCallDriver_#t~nondet98;havoc IofCallDriver_#t~nondet98; 935#L958 assume 0 == IofCallDriver_~tmp_ndt_12~0; 962#L959 IofCallDriver_~returnVal2~0 := 0; 1009#L978 assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0; 975#L995-2 IofCallDriver_#res := IofCallDriver_~returnVal2~0; 940#L1005 FloppyStartDevice_#t~ret70 := IofCallDriver_#res;assume { :end_inline_IofCallDriver } true;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret70;havoc FloppyStartDevice_#t~ret70;FloppyStartDevice_~__cil_tmp42~0 := FloppyStartDevice_~ntStatus~1; 941#L514 assume !(259 == FloppyStartDevice_~__cil_tmp42~0); 1021#L514-2 FloppyStartDevice_~fdcInfo__BufferCount~0 := 0;FloppyStartDevice_~fdcInfo__BufferSize~0 := 0;FloppyStartDevice_~__cil_tmp43~0 := 3080;FloppyStartDevice_~__cil_tmp44~0 := 458752;FloppyStartDevice_~__cil_tmp45~0 := 461832;FloppyStartDevice_~__cil_tmp46~0 := 461835;assume { :begin_inline_FlFdcDeviceIo } true;FlFdcDeviceIo_#in~DeviceObject, FlFdcDeviceIo_#in~Ioctl, FlFdcDeviceIo_#in~Data := FloppyStartDevice_~disketteExtension__TargetObject~1, FloppyStartDevice_~__cil_tmp46~0, FloppyStartDevice_~fdcInfo~0;havoc FlFdcDeviceIo_#res;havoc FlFdcDeviceIo_#t~nondet79, FlFdcDeviceIo_#t~nondet80, FlFdcDeviceIo_#t~nondet81, FlFdcDeviceIo_#t~ret82, FlFdcDeviceIo_#t~ret83, FlFdcDeviceIo_#t~ret84, FlFdcDeviceIo_~DeviceObject, FlFdcDeviceIo_~Ioctl, FlFdcDeviceIo_~Data, FlFdcDeviceIo_~ntStatus~2, FlFdcDeviceIo_~irp~0, FlFdcDeviceIo_~irpStack~0, FlFdcDeviceIo_~doneEvent~2, FlFdcDeviceIo_~ioStatus~0, FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0, FlFdcDeviceIo_~irpStack__Parameters__DeviceIoControl__Type3InputBuffer~0, FlFdcDeviceIo_~__cil_tmp11~0;FlFdcDeviceIo_~DeviceObject := FlFdcDeviceIo_#in~DeviceObject;FlFdcDeviceIo_~Ioctl := FlFdcDeviceIo_#in~Ioctl;FlFdcDeviceIo_~Data := FlFdcDeviceIo_#in~Data;havoc FlFdcDeviceIo_~ntStatus~2;havoc FlFdcDeviceIo_~irp~0;havoc FlFdcDeviceIo_~irpStack~0;FlFdcDeviceIo_~doneEvent~2 := FlFdcDeviceIo_#t~nondet79;havoc FlFdcDeviceIo_#t~nondet79;FlFdcDeviceIo_~ioStatus~0 := FlFdcDeviceIo_#t~nondet80;havoc FlFdcDeviceIo_#t~nondet80;FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0 := FlFdcDeviceIo_#t~nondet81;havoc FlFdcDeviceIo_#t~nondet81;havoc FlFdcDeviceIo_~irpStack__Parameters__DeviceIoControl__Type3InputBuffer~0;havoc FlFdcDeviceIo_~__cil_tmp11~0;assume { :begin_inline_IoBuildDeviceIoControlRequest } true;IoBuildDeviceIoControlRequest_#in~IoControlCode, IoBuildDeviceIoControlRequest_#in~DeviceObject, IoBuildDeviceIoControlRequest_#in~InputBuffer, IoBuildDeviceIoControlRequest_#in~InputBufferLength, IoBuildDeviceIoControlRequest_#in~OutputBuffer, IoBuildDeviceIoControlRequest_#in~OutputBufferLength, IoBuildDeviceIoControlRequest_#in~InternalDeviceIoControl, IoBuildDeviceIoControlRequest_#in~Event, IoBuildDeviceIoControlRequest_#in~IoStatusBlock := FlFdcDeviceIo_~Ioctl, FlFdcDeviceIo_~DeviceObject, 0, 0, 0, 0, 1, FlFdcDeviceIo_~doneEvent~2, FlFdcDeviceIo_~ioStatus~0;havoc IoBuildDeviceIoControlRequest_#res;havoc IoBuildDeviceIoControlRequest_#t~nondet90, IoBuildDeviceIoControlRequest_#t~nondet91, IoBuildDeviceIoControlRequest_~tmp_ndt_2~0, IoBuildDeviceIoControlRequest_~IoControlCode, IoBuildDeviceIoControlRequest_~DeviceObject, IoBuildDeviceIoControlRequest_~InputBuffer, IoBuildDeviceIoControlRequest_~InputBufferLength, IoBuildDeviceIoControlRequest_~OutputBuffer, IoBuildDeviceIoControlRequest_~OutputBufferLength, IoBuildDeviceIoControlRequest_~InternalDeviceIoControl, IoBuildDeviceIoControlRequest_~Event, IoBuildDeviceIoControlRequest_~IoStatusBlock, IoBuildDeviceIoControlRequest_~malloc~0;IoBuildDeviceIoControlRequest_~IoControlCode := IoBuildDeviceIoControlRequest_#in~IoControlCode;IoBuildDeviceIoControlRequest_~DeviceObject := IoBuildDeviceIoControlRequest_#in~DeviceObject;IoBuildDeviceIoControlRequest_~InputBuffer := IoBuildDeviceIoControlRequest_#in~InputBuffer;IoBuildDeviceIoControlRequest_~InputBufferLength := IoBuildDeviceIoControlRequest_#in~InputBufferLength;IoBuildDeviceIoControlRequest_~OutputBuffer := IoBuildDeviceIoControlRequest_#in~OutputBuffer;IoBuildDeviceIoControlRequest_~OutputBufferLength := IoBuildDeviceIoControlRequest_#in~OutputBufferLength;IoBuildDeviceIoControlRequest_~InternalDeviceIoControl := IoBuildDeviceIoControlRequest_#in~InternalDeviceIoControl;IoBuildDeviceIoControlRequest_~Event := IoBuildDeviceIoControlRequest_#in~Event;IoBuildDeviceIoControlRequest_~IoStatusBlock := IoBuildDeviceIoControlRequest_#in~IoStatusBlock;IoBuildDeviceIoControlRequest_~malloc~0 := IoBuildDeviceIoControlRequest_#t~nondet90;havoc IoBuildDeviceIoControlRequest_#t~nondet90;~customIrp~0 := 1;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_2~0;IoBuildDeviceIoControlRequest_~tmp_ndt_2~0 := IoBuildDeviceIoControlRequest_#t~nondet91;havoc IoBuildDeviceIoControlRequest_#t~nondet91; 963#L819 assume 0 == IoBuildDeviceIoControlRequest_~tmp_ndt_2~0; 964#L820 IoBuildDeviceIoControlRequest_#res := IoBuildDeviceIoControlRequest_~malloc~0; 954#L809 FlFdcDeviceIo_#t~ret82 := IoBuildDeviceIoControlRequest_#res;assume { :end_inline_IoBuildDeviceIoControlRequest } true;FlFdcDeviceIo_~irp~0 := FlFdcDeviceIo_#t~ret82;havoc FlFdcDeviceIo_#t~ret82; 994#L629 assume 0 == FlFdcDeviceIo_~irp~0;FlFdcDeviceIo_#res := -1073741670; 995#L646 FloppyStartDevice_#t~ret72 := FlFdcDeviceIo_#res;assume { :end_inline_FlFdcDeviceIo } true;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret72;havoc FloppyStartDevice_#t~ret72; 969#L530 assume FloppyStartDevice_~ntStatus~1 >= 0;FloppyStartDevice_~disketteExtension__MaxTransferSize~0 := FloppyStartDevice_~fdcInfo__MaxTransferSize~0; 970#L532 assume !(0 != FloppyStartDevice_~fdcInfo__AcpiBios~0); 956#L545 assume !(4 == FloppyStartDevice_~disketteExtension__DriveType~0); 987#L546-1 FloppyStartDevice_~InterfaceType~0 := 0; 976#L552-3 [2018-11-18 14:35:10,306 INFO L796 eck$LassoCheckResult]: Loop: 976#L552-3 assume true; 971#L552-1 assume !false; 972#L553 assume !(FloppyStartDevice_~InterfaceType~0 >= ~MaximumInterfaceType~0);FloppyStartDevice_~fdcInfo__BusType~0 := FloppyStartDevice_~InterfaceType~0;assume { :begin_inline_IoQueryDeviceDescription } true;IoQueryDeviceDescription_#in~BusType, IoQueryDeviceDescription_#in~BusNumber, IoQueryDeviceDescription_#in~ControllerType, IoQueryDeviceDescription_#in~ControllerNumber, IoQueryDeviceDescription_#in~PeripheralType, IoQueryDeviceDescription_#in~PeripheralNumber, IoQueryDeviceDescription_#in~CalloutRoutine, IoQueryDeviceDescription_#in~Context := FloppyStartDevice_~fdcInfo__BusType~0, FloppyStartDevice_~fdcInfo__BusNumber~0, FloppyStartDevice_~Dc~0, FloppyStartDevice_~fdcInfo__ControllerNumber~0, FloppyStartDevice_~Fp~0, FloppyStartDevice_~fdcInfo__PeripheralNumber~0, ~FlConfigCallBack~0, FloppyStartDevice_~disketteExtension~1;havoc IoQueryDeviceDescription_#res;havoc IoQueryDeviceDescription_#t~nondet93, IoQueryDeviceDescription_~tmp_ndt_4~0, IoQueryDeviceDescription_~BusType, IoQueryDeviceDescription_~BusNumber, IoQueryDeviceDescription_~ControllerType, IoQueryDeviceDescription_~ControllerNumber, IoQueryDeviceDescription_~PeripheralType, IoQueryDeviceDescription_~PeripheralNumber, IoQueryDeviceDescription_~CalloutRoutine, IoQueryDeviceDescription_~Context;IoQueryDeviceDescription_~BusType := IoQueryDeviceDescription_#in~BusType;IoQueryDeviceDescription_~BusNumber := IoQueryDeviceDescription_#in~BusNumber;IoQueryDeviceDescription_~ControllerType := IoQueryDeviceDescription_#in~ControllerType;IoQueryDeviceDescription_~ControllerNumber := IoQueryDeviceDescription_#in~ControllerNumber;IoQueryDeviceDescription_~PeripheralType := IoQueryDeviceDescription_#in~PeripheralType;IoQueryDeviceDescription_~PeripheralNumber := IoQueryDeviceDescription_#in~PeripheralNumber;IoQueryDeviceDescription_~CalloutRoutine := IoQueryDeviceDescription_#in~CalloutRoutine;IoQueryDeviceDescription_~Context := IoQueryDeviceDescription_#in~Context;havoc IoQueryDeviceDescription_~tmp_ndt_4~0;IoQueryDeviceDescription_~tmp_ndt_4~0 := IoQueryDeviceDescription_#t~nondet93;havoc IoQueryDeviceDescription_#t~nondet93; 998#L863 assume !(0 == IoQueryDeviceDescription_~tmp_ndt_4~0); 946#L866 IoQueryDeviceDescription_#res := -1073741823; 947#L855 FloppyStartDevice_#t~ret74 := IoQueryDeviceDescription_#res;assume { :end_inline_IoQueryDeviceDescription } true;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret74;havoc FloppyStartDevice_#t~ret74; 948#L564 assume !(FloppyStartDevice_~ntStatus~1 >= 0);FloppyStartDevice_#t~post75 := FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~InterfaceType~0 := 1 + FloppyStartDevice_#t~post75;havoc FloppyStartDevice_#t~post75; 976#L552-3 [2018-11-18 14:35:10,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:10,306 INFO L82 PathProgramCache]: Analyzing trace with hash 916684374, now seen corresponding path program 2 times [2018-11-18 14:35:10,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:35:10,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:35:10,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:10,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:35:10,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:35:10,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:35:10,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:35:10,377 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 14:35:10,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:10,378 INFO L82 PathProgramCache]: Analyzing trace with hash 555736819, now seen corresponding path program 1 times [2018-11-18 14:35:10,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:35:10,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:35:10,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:10,379 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:35:10,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:10,553 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-11-18 14:35:10,605 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:35:10,605 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:35:10,606 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:35:10,606 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:35:10,606 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 14:35:10,606 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:10,606 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:35:10,606 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:35:10,606 INFO L131 ssoRankerPreferences]: Filename of dumped script: floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c_Iteration2_Loop [2018-11-18 14:35:10,607 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:35:10,607 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:35:10,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:10,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,023 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:35:11,024 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:11,032 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:11,033 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:11,042 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:11,043 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_IoQueryDeviceDescription_#in~BusNumber=4, ULTIMATE.start_IoQueryDeviceDescription_~BusNumber=4, ULTIMATE.start_FloppyStartDevice_~fdcInfo__BusNumber~0=4} Honda state: {ULTIMATE.start_IoQueryDeviceDescription_#in~BusNumber=4, ULTIMATE.start_IoQueryDeviceDescription_~BusNumber=4, ULTIMATE.start_FloppyStartDevice_~fdcInfo__BusNumber~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-18 14:35:11,075 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:11,075 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:11,081 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:11,081 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_IoQueryDeviceDescription_#t~nondet93=0} Honda state: {ULTIMATE.start_IoQueryDeviceDescription_#t~nondet93=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-18 14:35:11,109 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:11,109 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39cbc7c2-ca97-436e-9962-ced9bfe4b477/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:11,155 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 14:35:11,156 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:11,509 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 14:35:11,511 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:35:11,511 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:35:11,512 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:35:11,512 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:35:11,512 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 14:35:11,512 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:11,512 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:35:11,512 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:35:11,512 INFO L131 ssoRankerPreferences]: Filename of dumped script: floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c_Iteration2_Loop [2018-11-18 14:35:11,512 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:35:11,512 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:35:11,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:11,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:12,071 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:35:12,074 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 14:35:12,075 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:12,077 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:12,078 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:12,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:12,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:12,078 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:12,080 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:12,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:12,083 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:35:12,083 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:12,083 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:12,083 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:12,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:12,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:12,084 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:12,084 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:12,084 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:12,085 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:35:12,085 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:12,086 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:12,086 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:12,086 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:12,086 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:12,086 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:12,087 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:12,087 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:12,090 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:35:12,090 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:12,091 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:12,091 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:12,091 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:12,091 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:12,091 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:12,092 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:12,092 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:12,098 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 14:35:12,106 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 14:35:12,106 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-18 14:35:12,108 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 14:35:12,108 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 14:35:12,108 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 14:35:12,109 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_FloppyStartDevice_~InterfaceType~0, ~MaximumInterfaceType~0) = -1*ULTIMATE.start_FloppyStartDevice_~InterfaceType~0 + 1*~MaximumInterfaceType~0 Supporting invariants [] [2018-11-18 14:35:12,110 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 14:35:12,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:12,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:35:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:12,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:35:12,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:35:12,380 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-18 14:35:12,381 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 94 states and 124 transitions. cyclomatic complexity: 31 Second operand 4 states. [2018-11-18 14:35:12,423 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 94 states and 124 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 101 states and 132 transitions. Complement of second has 6 states. [2018-11-18 14:35:12,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-18 14:35:12,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 14:35:12,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 124 transitions. [2018-11-18 14:35:12,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 124 transitions. Stem has 36 letters. Loop has 7 letters. [2018-11-18 14:35:12,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:35:12,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 124 transitions. Stem has 43 letters. Loop has 7 letters. [2018-11-18 14:35:12,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:35:12,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 124 transitions. Stem has 36 letters. Loop has 14 letters. [2018-11-18 14:35:12,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:35:12,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 132 transitions. [2018-11-18 14:35:12,433 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 14:35:12,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 0 states and 0 transitions. [2018-11-18 14:35:12,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 14:35:12,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 14:35:12,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 14:35:12,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:35:12,433 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:35:12,434 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:35:12,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:35:12,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:35:12,434 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-18 14:35:12,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:35:12,434 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 14:35:12,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:35:12,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-18 14:35:12,435 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 14:35:12,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:35:12,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 14:35:12,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 14:35:12,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 14:35:12,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:35:12,435 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:35:12,435 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:35:12,435 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:35:12,435 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:35:12,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:35:12,435 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 14:35:12,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 14:35:12,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:35:12 BoogieIcfgContainer [2018-11-18 14:35:12,448 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:35:12,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:35:12,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:35:12,448 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:35:12,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:35:09" (3/4) ... [2018-11-18 14:35:12,452 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 14:35:12,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:35:12,453 INFO L168 Benchmark]: Toolchain (without parser) took 5839.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 957.1 MB in the beginning and 992.2 MB in the end (delta: -35.0 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:12,453 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:35:12,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.68 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 935.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:12,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:12,455 INFO L168 Benchmark]: Boogie Preprocessor took 70.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:12,455 INFO L168 Benchmark]: RCFGBuilder took 2585.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 964.3 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:12,456 INFO L168 Benchmark]: BuchiAutomizer took 2689.68 ms. Allocated memory is still 1.1 GB. Free memory was 964.3 MB in the beginning and 992.2 MB in the end (delta: -27.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:35:12,456 INFO L168 Benchmark]: Witness Printer took 4.27 ms. Allocated memory is still 1.1 GB. Free memory is still 992.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:35:12,461 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.68 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 935.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2585.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 964.3 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2689.68 ms. Allocated memory is still 1.1 GB. Free memory was 964.3 MB in the beginning and 992.2 MB in the end (delta: -27.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.27 ms. Allocated memory is still 1.1 GB. Free memory is still 992.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * InterfaceType + MaximumInterfaceType and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 94 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 747 SDtfs, 258 SDslu, 1071 SDs, 0 SdLazy, 28 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital72 mio100 ax100 hnf101 lsp26 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq194 hnf89 smp100 dnf100 smp100 tf106 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...