./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/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 d90cbad8cb6ced9c4f7ef95245e13f326de4004d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:11:51,353 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:11:51,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:11:51,363 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:11:51,363 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:11:51,364 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:11:51,365 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:11:51,366 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:11:51,367 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:11:51,368 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:11:51,369 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:11:51,369 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:11:51,369 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:11:51,370 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:11:51,371 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:11:51,371 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:11:51,372 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:11:51,373 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:11:51,375 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:11:51,376 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:11:51,376 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:11:51,377 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:11:51,379 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:11:51,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:11:51,379 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:11:51,386 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:11:51,387 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:11:51,387 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:11:51,388 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:11:51,389 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:11:51,389 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:11:51,389 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:11:51,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:11:51,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:11:51,390 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:11:51,391 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:11:51,391 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:11:51,407 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:11:51,407 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:11:51,410 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:11:51,410 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:11:51,410 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:11:51,411 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:11:51,411 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:11:51,411 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:11:51,411 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:11:51,411 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:11:51,411 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:11:51,411 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:11:51,412 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:11:51,412 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:11:51,412 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:11:51,412 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:11:51,412 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:11:51,412 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:11:51,412 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:11:51,412 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:11:51,413 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:11:51,413 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:11:51,413 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:11:51,413 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:11:51,413 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:11:51,413 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:11:51,413 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:11:51,413 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:11:51,414 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:11:51,414 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:11:51,414 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:11:51,415 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_0a3995f6-bccf-4476-bc8c-19909e6f70e5/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 -> d90cbad8cb6ced9c4f7ef95245e13f326de4004d [2018-10-27 06:11:51,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:11:51,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:11:51,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:11:51,464 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:11:51,465 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:11:51,465 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/bin-2019/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-27 06:11:51,520 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/bin-2019/uautomizer/data/dc65abfa9/a83591a0f2a44ac18d2ae764cb243b8d/FLAG11e3255a2 [2018-10-27 06:11:51,958 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:11:51,959 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-27 06:11:51,972 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/bin-2019/uautomizer/data/dc65abfa9/a83591a0f2a44ac18d2ae764cb243b8d/FLAG11e3255a2 [2018-10-27 06:11:51,984 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/bin-2019/uautomizer/data/dc65abfa9/a83591a0f2a44ac18d2ae764cb243b8d [2018-10-27 06:11:51,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:11:51,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:11:51,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:51,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:11:51,992 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:11:51,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:51" (1/1) ... [2018-10-27 06:11:51,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35985d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:51, skipping insertion in model container [2018-10-27 06:11:51,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:51" (1/1) ... [2018-10-27 06:11:52,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:11:52,074 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:11:52,396 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:52,401 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:11:52,505 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:52,522 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:11:52,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52 WrapperNode [2018-10-27 06:11:52,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:52,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:52,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:11:52,524 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:11:52,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (1/1) ... [2018-10-27 06:11:52,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (1/1) ... [2018-10-27 06:11:52,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:52,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:11:52,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:11:52,707 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:11:52,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (1/1) ... [2018-10-27 06:11:52,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (1/1) ... [2018-10-27 06:11:52,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (1/1) ... [2018-10-27 06:11:52,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (1/1) ... [2018-10-27 06:11:52,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (1/1) ... [2018-10-27 06:11:52,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (1/1) ... [2018-10-27 06:11:52,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (1/1) ... [2018-10-27 06:11:52,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:11:52,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:11:52,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:11:52,799 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:11:52,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/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 [2018-10-27 06:11:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:11:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:11:53,115 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,116 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,131 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,131 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,133 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,133 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,142 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,145 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,146 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,146 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,146 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,146 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,149 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,149 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,157 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,164 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,166 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,166 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,167 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,170 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,171 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,171 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,172 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,172 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,173 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,173 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,175 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,175 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,181 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,181 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,181 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,181 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,182 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,183 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,185 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,186 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,186 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,186 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,186 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,186 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,187 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,187 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,188 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,188 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,189 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,189 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,190 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,190 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,191 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,191 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,195 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,195 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,197 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,197 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,197 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,198 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,198 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,198 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:53,199 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 06:11:53,199 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 06:11:55,057 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:11:55,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:55 BoogieIcfgContainer [2018-10-27 06:11:55,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:11:55,058 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:11:55,058 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:11:55,062 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:11:55,062 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:55,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:11:51" (1/3) ... [2018-10-27 06:11:55,064 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45ecd3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:11:55, skipping insertion in model container [2018-10-27 06:11:55,064 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:55,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:52" (2/3) ... [2018-10-27 06:11:55,065 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45ecd3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:11:55, skipping insertion in model container [2018-10-27 06:11:55,065 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:55,065 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:55" (3/3) ... [2018-10-27 06:11:55,068 INFO L375 chiAutomizerObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-27 06:11:55,117 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:11:55,117 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:11:55,117 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:11:55,118 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:11:55,118 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:11:55,118 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:11:55,118 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:11:55,118 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:11:55,118 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:11:55,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 589 states. [2018-10-27 06:11:55,202 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-10-27 06:11:55,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:11:55,202 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:11:55,210 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, 1, 1, 1] [2018-10-27 06:11:55,211 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:55,211 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:11:55,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 589 states. [2018-10-27 06:11:55,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-10-27 06:11:55,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:11:55,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:11:55,227 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, 1, 1, 1] [2018-10-27 06:11:55,228 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:55,236 INFO L793 eck$LassoCheckResult]: Stem: 393#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; 235#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet86, main_#t~nondet87, main_#t~nondet88, main_#t~nondet89, main_#t~nondet90, main_#t~nondet91, main_#t~nondet92, main_#t~ret93, main_#t~ret94, main_#t~ret95, main_#t~ret96, main_~tmp_ndt_4~0, main_~tmp_ndt_3~0, main_~tmp_ndt_2~0, 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~nondet86;havoc main_#t~nondet86;havoc main_~pirp~0;havoc main_~pirp__IoStatus__Status~0;main_~irp_choice~0 := main_#t~nondet87;havoc main_#t~nondet87;main_~devobj~0 := main_#t~nondet88;havoc main_#t~nondet88;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; 436#L84true assume { :end_inline__BLAST_init } true; 135#L706true 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; 417#L715true assume !(main_~irp_choice~0 == 0); 404#L715-2true 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; 198#L663true assume { :end_inline_stub_driver_init } true; 588#L723true assume !(main_~status~1 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet89;havoc main_#t~nondet89; 195#L729true assume !(main_~tmp_ndt_1~0 == 0);havoc main_~tmp_ndt_2~0;main_~tmp_ndt_2~0 := main_#t~nondet90;havoc main_#t~nondet90; 587#L734true assume !(main_~tmp_ndt_2~0 == 1);havoc main_~tmp_ndt_3~0;main_~tmp_ndt_3~0 := main_#t~nondet91;havoc main_#t~nondet91; 133#L739true assume !(main_~tmp_ndt_3~0 == 2);havoc main_~tmp_ndt_4~0;main_~tmp_ndt_4~0 := main_#t~nondet92;havoc main_#t~nondet92; 456#L744true assume main_~tmp_ndt_4~0 == 3; 586#L745true 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 := FloppyPnp_#t~post26 + 1;havoc FloppyPnp_#t~post26; 104#L192true assume !(~PagingReferenceCount~0 == 1); 89#L192-2true FloppyPnp_~disketteExtension~0 := FloppyPnp_~DeviceObject__DeviceExtension~0;FloppyPnp_~irpSp~0 := FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0; 225#L197true assume !(FloppyPnp_~disketteExtension__IsRemoved~0 != 0); 567#L206true assume FloppyPnp_~irpSp__MinorFunction~0 == 0; 307#L207true 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~nondet70, FloppyStartDevice_#t~ret71, FloppyStartDevice_#t~ret72, FloppyStartDevice_#t~ret73, FloppyStartDevice_#t~ret74, FloppyStartDevice_#t~ret75, FloppyStartDevice_#t~post76, FloppyStartDevice_#t~ret77, FloppyStartDevice_#t~ret78, 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;FloppyStartDevice_~__cil_tmp46~0 := FloppyStartDevice_#t~nondet70;havoc FloppyStartDevice_#t~nondet70;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; 71#L490true assume !(~s~0 != ~NP~0); 411#L495true assume !(~compRegistered~0 != 0);~compRegistered~0 := 1; 401#L495-2true 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~nondet103, IofCallDriver_#t~ret104, IofCallDriver_#t~nondet105, IofCallDriver_#t~nondet106, IofCallDriver_~tmp_ndt_11~0, IofCallDriver_~tmp_ndt_10~0, 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~nondet103;havoc IofCallDriver_#t~nondet103;havoc IofCallDriver_~__cil_tmp7~0; 18#L973-4true assume !(~compRegistered~0 != 0); 20#L973-5true havoc IofCallDriver_~tmp_ndt_10~0;IofCallDriver_~tmp_ndt_10~0 := IofCallDriver_#t~nondet105;havoc IofCallDriver_#t~nondet105; 540#L988-2true assume IofCallDriver_~tmp_ndt_10~0 == 0; 300#L989-2true IofCallDriver_~returnVal2~0 := 0; 460#L1008-2true assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0; 132#L1025-8true IofCallDriver_#res := IofCallDriver_~returnVal2~0; 358#L1035-2true FloppyStartDevice_#t~ret71 := IofCallDriver_#res;assume { :end_inline_IofCallDriver } true;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret71;havoc FloppyStartDevice_#t~ret71;FloppyStartDevice_~__cil_tmp42~0 := FloppyStartDevice_~ntStatus~1; 15#L511true assume !(FloppyStartDevice_~__cil_tmp42~0 == 259); 107#L511-2true FloppyStartDevice_~fdcInfo__BufferCount~0 := 0;FloppyStartDevice_~fdcInfo__BufferSize~0 := 0;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~nondet80, FlFdcDeviceIo_#t~nondet81, FlFdcDeviceIo_#t~nondet82, FlFdcDeviceIo_#t~ret83, FlFdcDeviceIo_#t~ret84, FlFdcDeviceIo_#t~ret85, 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~nondet80;havoc FlFdcDeviceIo_#t~nondet80;FlFdcDeviceIo_~ioStatus~0 := FlFdcDeviceIo_#t~nondet81;havoc FlFdcDeviceIo_#t~nondet81;FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0 := FlFdcDeviceIo_#t~nondet82;havoc FlFdcDeviceIo_#t~nondet82;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~nondet97, IoBuildDeviceIoControlRequest_#t~nondet98, IoBuildDeviceIoControlRequest_~tmp_ndt_5~0, 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~nondet97;havoc IoBuildDeviceIoControlRequest_#t~nondet97;~customIrp~0 := 1;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_5~0;IoBuildDeviceIoControlRequest_~tmp_ndt_5~0 := IoBuildDeviceIoControlRequest_#t~nondet98;havoc IoBuildDeviceIoControlRequest_#t~nondet98; 145#L849true assume IoBuildDeviceIoControlRequest_~tmp_ndt_5~0 == 0; 206#L850true IoBuildDeviceIoControlRequest_#res := IoBuildDeviceIoControlRequest_~malloc~0; 207#L839true FlFdcDeviceIo_#t~ret83 := IoBuildDeviceIoControlRequest_#res;assume { :end_inline_IoBuildDeviceIoControlRequest } true;FlFdcDeviceIo_~irp~0 := FlFdcDeviceIo_#t~ret83;havoc FlFdcDeviceIo_#t~ret83; 265#L626true assume FlFdcDeviceIo_~irp~0 == 0;FlFdcDeviceIo_#res := -1073741670; 5#L643true FloppyStartDevice_#t~ret73 := FlFdcDeviceIo_#res;assume { :end_inline_FlFdcDeviceIo } true;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret73;havoc FloppyStartDevice_#t~ret73; 271#L527true assume FloppyStartDevice_~ntStatus~1 >= 0;FloppyStartDevice_~disketteExtension__MaxTransferSize~0 := FloppyStartDevice_~fdcInfo__MaxTransferSize~0; 163#L529true assume !(FloppyStartDevice_~fdcInfo__AcpiBios~0 != 0); 187#L542true assume !(FloppyStartDevice_~disketteExtension__DriveType~0 == 4); 41#L543-1true FloppyStartDevice_~InterfaceType~0 := 0; 256#L549-3true [2018-10-27 06:11:55,237 INFO L795 eck$LassoCheckResult]: Loop: 256#L549-3true assume true; 251#L549-1true assume !false; 409#L550true 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~nondet100, IoQueryDeviceDescription_~tmp_ndt_7~0, 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_7~0;IoQueryDeviceDescription_~tmp_ndt_7~0 := IoQueryDeviceDescription_#t~nondet100;havoc IoQueryDeviceDescription_#t~nondet100; 143#L893true assume !(IoQueryDeviceDescription_~tmp_ndt_7~0 == 0); 33#L896true IoQueryDeviceDescription_#res := -1073741823; 34#L885true FloppyStartDevice_#t~ret75 := IoQueryDeviceDescription_#res;assume { :end_inline_IoQueryDeviceDescription } true;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret75;havoc FloppyStartDevice_#t~ret75; 408#L561true assume !(FloppyStartDevice_~ntStatus~1 >= 0);FloppyStartDevice_#t~post76 := FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~InterfaceType~0 := FloppyStartDevice_#t~post76 + 1;havoc FloppyStartDevice_#t~post76; 256#L549-3true [2018-10-27 06:11:55,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:55,260 INFO L82 PathProgramCache]: Analyzing trace with hash 686932840, now seen corresponding path program 1 times [2018-10-27 06:11:55,261 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:55,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:55,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:55,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:55,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:55,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:11:55,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:11:55,464 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-10-27 06:11:55,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:55,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1143569071, now seen corresponding path program 1 times [2018-10-27 06:11:55,464 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:55,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:55,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:55,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:55,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:55,792 WARN L179 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-10-27 06:11:55,877 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:11:55,877 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:11:55,878 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:11:55,878 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:11:55,878 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:11:55,878 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:11:55,878 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:11:55,878 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:11:55,878 INFO L131 ssoRankerPreferences]: Filename of dumped script: floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c_Iteration1_Loop [2018-10-27 06:11:55,879 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:11:55,879 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:11:55,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:55,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:55,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:55,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:55,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:55,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:55,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:55,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:56,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:56,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:56,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:56,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:56,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:56,348 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-27 06:11:56,478 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 06:11:56,606 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:11:56,606 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/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 [2018-10-27 06:11:56,612 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:11:56,612 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:11:56,639 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:11:56,639 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_IoQueryDeviceDescription_#in~BusNumber=5, ULTIMATE.start_IoQueryDeviceDescription_~BusNumber=5, ULTIMATE.start_FloppyStartDevice_~fdcInfo__BusNumber~0=5} Honda state: {ULTIMATE.start_IoQueryDeviceDescription_#in~BusNumber=5, ULTIMATE.start_IoQueryDeviceDescription_~BusNumber=5, ULTIMATE.start_FloppyStartDevice_~fdcInfo__BusNumber~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/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) [2018-10-27 06:11:56,677 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:11:56,677 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a3995f6-bccf-4476-bc8c-19909e6f70e5/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) [2018-10-27 06:11:56,723 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:11:56,723 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 [2018-10-27 06:11:57,453 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:11:57,455 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:11:57,455 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:11:57,455 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:11:57,455 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:11:57,455 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:11:57,456 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:11:57,456 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:11:57,456 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:11:57,456 INFO L131 ssoRankerPreferences]: Filename of dumped script: floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c_Iteration1_Loop [2018-10-27 06:11:57,456 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:11:57,456 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:11:57,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:57,808 WARN L179 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 06:11:58,019 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:11:58,026 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:11:58,027 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 [2018-10-27 06:11:58,029 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:58,029 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:58,029 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:58,030 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:58,030 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:58,033 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:58,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:58,037 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:58,037 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 [2018-10-27 06:11:58,038 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:58,038 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:58,038 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:58,038 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:58,038 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:58,039 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:58,039 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:58,043 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:58,043 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 [2018-10-27 06:11:58,047 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:58,047 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:58,047 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:58,047 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:58,047 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:58,048 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:58,048 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:58,057 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:11:58,062 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:11:58,063 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:11:58,065 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:11:58,065 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:11:58,065 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:11:58,065 INFO L519 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 [] [2018-10-27 06:11:58,066 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:11:58,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:58,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:58,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:58,422 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 [2018-10-27 06:11:58,423 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 589 states. Second operand 4 states. [2018-10-27 06:11:58,660 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 589 states.. Second operand 4 states. Result 1194 states and 1692 transitions. Complement of second has 7 states. [2018-10-27 06:11:58,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-10-27 06:11:58,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-10-27 06:11:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1526 transitions. [2018-10-27 06:11:58,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1526 transitions. Stem has 39 letters. Loop has 7 letters. [2018-10-27 06:11:58,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:58,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1526 transitions. Stem has 46 letters. Loop has 7 letters. [2018-10-27 06:11:58,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:58,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1526 transitions. Stem has 39 letters. Loop has 14 letters. [2018-10-27 06:11:58,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:58,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1194 states and 1692 transitions. [2018-10-27 06:11:58,688 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:11:58,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1194 states to 0 states and 0 transitions. [2018-10-27 06:11:58,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:11:58,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:11:58,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:11:58,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:11:58,693 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:58,693 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:58,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:11:58,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:11:58,700 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-10-27 06:11:58,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:58,704 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-10-27 06:11:58,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 06:11:58,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-10-27 06:11:58,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:11:58,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 06:11:58,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:11:58,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:11:58,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:11:58,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:11:58,706 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:58,706 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:58,706 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:58,706 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:11:58,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:11:58,706 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:11:58,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:11:58,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:11:58 BoogieIcfgContainer [2018-10-27 06:11:58,722 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:11:58,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:11:58,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:11:58,722 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:11:58,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:55" (3/4) ... [2018-10-27 06:11:58,725 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:11:58,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:11:58,726 INFO L168 Benchmark]: Toolchain (without parser) took 6738.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 250.1 MB). Free memory was 958.1 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:58,727 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:11:58,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.10 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 931.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:58,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 931.2 MB in the beginning and 1.2 GB in the end (delta: -247.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:58,729 INFO L168 Benchmark]: Boogie Preprocessor took 91.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:58,730 INFO L168 Benchmark]: RCFGBuilder took 2258.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:58,730 INFO L168 Benchmark]: BuchiAutomizer took 3663.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 58.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -160.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:11:58,731 INFO L168 Benchmark]: Witness Printer took 3.40 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:11:58,735 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 534.10 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 931.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 183.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 931.2 MB in the beginning and 1.2 GB in the end (delta: -247.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2258.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3663.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 58.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -160.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.40 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * InterfaceType + MaximumInterfaceType and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 851 SDtfs, 858 SDslu, 187 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 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: 10ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...