./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/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 d647228c0dc0174eb229424fd194f0e34ba347e1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:54:06,759 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:54:06,760 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:54:06,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:54:06,766 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:54:06,767 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:54:06,768 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:54:06,769 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:54:06,770 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:54:06,771 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:54:06,771 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:54:06,772 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:54:06,772 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:54:06,773 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:54:06,773 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:54:06,774 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:54:06,774 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:54:06,775 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:54:06,777 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:54:06,777 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:54:06,778 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:54:06,779 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:54:06,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:54:06,781 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:54:06,781 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:54:06,782 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:54:06,782 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:54:06,782 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:54:06,783 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:54:06,784 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:54:06,784 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:54:06,784 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:54:06,785 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:54:06,785 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:54:06,785 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:54:06,786 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:54:06,786 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 00:54:06,794 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:54:06,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:54:06,795 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:54:06,795 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:54:06,795 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:54:06,795 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 00:54:06,795 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 00:54:06,795 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 00:54:06,796 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 00:54:06,796 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 00:54:06,796 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 00:54:06,796 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:54:06,796 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:54:06,796 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 00:54:06,796 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:54:06,797 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:54:06,797 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:54:06,797 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 00:54:06,797 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 00:54:06,797 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 00:54:06,797 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:54:06,797 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:54:06,797 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 00:54:06,798 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:54:06,798 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 00:54:06,798 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:54:06,798 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:54:06,798 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 00:54:06,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:54:06,798 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:54:06,799 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 00:54:06,799 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 00:54:06,799 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_029b90a8-ac8c-4685-b151-4c70c6d8ce37/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 -> d647228c0dc0174eb229424fd194f0e34ba347e1 [2018-11-23 00:54:06,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:54:06,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:54:06,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:54:06,836 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:54:06,836 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:54:06,837 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 00:54:06,885 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/data/8bf31d6b4/1ef5c4fe7d744085b99da4d3824db559/FLAG98d2cac47 [2018-11-23 00:54:07,360 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:54:07,360 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 00:54:07,371 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/data/8bf31d6b4/1ef5c4fe7d744085b99da4d3824db559/FLAG98d2cac47 [2018-11-23 00:54:07,857 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/data/8bf31d6b4/1ef5c4fe7d744085b99da4d3824db559 [2018-11-23 00:54:07,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:54:07,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:54:07,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:54:07,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:54:07,864 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:54:07,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:07" (1/1) ... [2018-11-23 00:54:07,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16069910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:07, skipping insertion in model container [2018-11-23 00:54:07,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:07" (1/1) ... [2018-11-23 00:54:07,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:54:07,911 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:54:08,157 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:54:08,161 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:54:08,305 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:54:08,321 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:54:08,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08 WrapperNode [2018-11-23 00:54:08,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:54:08,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:54:08,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:54:08,322 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:54:08,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (1/1) ... [2018-11-23 00:54:08,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (1/1) ... [2018-11-23 00:54:08,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:54:08,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:54:08,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:54:08,420 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:54:08,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (1/1) ... [2018-11-23 00:54:08,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (1/1) ... [2018-11-23 00:54:08,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (1/1) ... [2018-11-23 00:54:08,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (1/1) ... [2018-11-23 00:54:08,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (1/1) ... [2018-11-23 00:54:08,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (1/1) ... [2018-11-23 00:54:08,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (1/1) ... [2018-11-23 00:54:08,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:54:08,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:54:08,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:54:08,509 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:54:08,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/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 [2018-11-23 00:54:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:54:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:54:08,746 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,747 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,748 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,748 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,753 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,753 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,756 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,756 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,760 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,760 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,764 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,764 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,767 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,767 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,771 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,772 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,774 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,774 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,776 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,776 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,778 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,778 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,779 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,780 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,782 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,782 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,783 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,784 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,784 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,785 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,785 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,787 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,788 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,790 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,790 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,791 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,792 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,793 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,793 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,795 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,795 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,796 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,796 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,797 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,798 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,799 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,800 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,800 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,801 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,801 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,801 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,803 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,803 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,804 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,805 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,805 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,805 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,806 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,806 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,808 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,808 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,809 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,810 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,811 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,811 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,813 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,813 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,814 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,814 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,815 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,815 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,816 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,816 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,818 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,818 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,819 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,819 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,821 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,821 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,822 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,822 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,823 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,823 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,824 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,824 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,825 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,826 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,826 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:08,828 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 00:54:08,828 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 00:54:10,141 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:54:10,141 INFO L280 CfgBuilder]: Removed 553 assue(true) statements. [2018-11-23 00:54:10,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:10 BoogieIcfgContainer [2018-11-23 00:54:10,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:54:10,142 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 00:54:10,142 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 00:54:10,144 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 00:54:10,144 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:54:10,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:54:07" (1/3) ... [2018-11-23 00:54:10,145 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52631676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:54:10, skipping insertion in model container [2018-11-23 00:54:10,145 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:54:10,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:08" (2/3) ... [2018-11-23 00:54:10,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52631676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:54:10, skipping insertion in model container [2018-11-23 00:54:10,146 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:54:10,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:10" (3/3) ... [2018-11-23 00:54:10,148 INFO L375 chiAutomizerObserver]: Analyzing ICFG cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 00:54:10,181 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:54:10,182 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 00:54:10,182 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 00:54:10,182 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 00:54:10,182 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:54:10,182 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:54:10,183 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 00:54:10,183 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:54:10,183 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 00:54:10,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1080 states. [2018-11-23 00:54:10,249 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2018-11-23 00:54:10,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:54:10,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:54:10,255 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] [2018-11-23 00:54:10,255 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:54:10,255 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 00:54:10,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1080 states. [2018-11-23 00:54:10,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2018-11-23 00:54:10,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:54:10,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:54:10,262 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] [2018-11-23 00:54:10,262 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:54:10,268 INFO L794 eck$LassoCheckResult]: Stem: 324#ULTIMATE.startENTRYtrue ~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;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; 275#L-1true havoc main_#res;havoc main_#t~nondet150, main_#t~nondet151, main_#t~nondet152, main_#t~nondet153, main_#t~nondet154, main_#t~nondet155, main_#t~nondet156, main_#t~nondet157, main_#t~nondet158, main_#t~ret159, main_#t~ret160, main_#t~ret161, main_~tmp_ndt_3~0, main_~tmp_ndt_2~0, main_~tmp_ndt_1~0, main_~pirp__IoStatus__Status~0, main_~d~0, main_~status~9, main_~irp~1, main_~we_should_unload~0, main_~irp_choice~0, main_~devobj~0, main_~__cil_tmp9~1;havoc main_~pirp__IoStatus__Status~0;main_~d~0 := main_#t~nondet150;havoc main_#t~nondet150;main_~status~9 := main_#t~nondet151;havoc main_#t~nondet151;main_~irp~1 := main_#t~nondet152;havoc main_#t~nondet152;main_~we_should_unload~0 := main_#t~nondet153;havoc main_#t~nondet153;main_~irp_choice~0 := main_#t~nondet154;havoc main_#t~nondet154;main_~devobj~0 := main_#t~nondet155;havoc main_#t~nondet155;havoc main_~__cil_tmp9~1;~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;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := main_~irp~1;~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;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 549#L81true assume main_~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;main_~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; 15#L1766true assume !(0 == main_~irp_choice~0); 4#L1766-2true ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; 395#L1713true assume !(main_~status~9 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet156;havoc main_#t~nondet156; 472#L1780true assume !(2 == main_~tmp_ndt_1~0);havoc main_~tmp_ndt_2~0;main_~tmp_ndt_2~0 := main_#t~nondet157;havoc main_#t~nondet157; 144#L1785true assume 3 == main_~tmp_ndt_2~0; 253#L1786true CdAudioPnp_#in~DeviceObject, CdAudioPnp_#in~Irp := main_~devobj~0, ~pirp~0;havoc CdAudioPnp_#res;havoc CdAudioPnp_#t~nondet14, CdAudioPnp_#t~nondet15, CdAudioPnp_#t~nondet16, CdAudioPnp_#t~nondet17, CdAudioPnp_#t~nondet18, CdAudioPnp_#t~nondet19, CdAudioPnp_#t~ret20, CdAudioPnp_#t~ret21, CdAudioPnp_#t~ret22, CdAudioPnp_#t~ret23, CdAudioPnp_#t~ret24, CdAudioPnp_#t~ret25, CdAudioPnp_~DeviceObject, CdAudioPnp_~Irp, CdAudioPnp_~Irp__Tail__Overlay__CurrentStackLocation~0, CdAudioPnp_~irpSp__MinorFunction~0, CdAudioPnp_~Irp__IoStatus__Status~0, CdAudioPnp_~irpSp__Parameters__UsageNotification__Type~0, CdAudioPnp_~deviceExtension__PagingPathCountEvent~0, CdAudioPnp_~irpSp__Parameters__UsageNotification__InPath~0, CdAudioPnp_~deviceExtension__PagingPathCount~0, CdAudioPnp_~DeviceObject__Flags~0, CdAudioPnp_~irpSp~0, CdAudioPnp_~status~2, CdAudioPnp_~setPagable~0, CdAudioPnp_~tmp~1, CdAudioPnp_~tmp___0~0;CdAudioPnp_~DeviceObject := CdAudioPnp_#in~DeviceObject;CdAudioPnp_~Irp := CdAudioPnp_#in~Irp;CdAudioPnp_~Irp__Tail__Overlay__CurrentStackLocation~0 := CdAudioPnp_#t~nondet14;havoc CdAudioPnp_#t~nondet14;CdAudioPnp_~irpSp__MinorFunction~0 := CdAudioPnp_#t~nondet15;havoc CdAudioPnp_#t~nondet15;havoc CdAudioPnp_~Irp__IoStatus__Status~0;CdAudioPnp_~irpSp__Parameters__UsageNotification__Type~0 := CdAudioPnp_#t~nondet16;havoc CdAudioPnp_#t~nondet16;CdAudioPnp_~deviceExtension__PagingPathCountEvent~0 := CdAudioPnp_#t~nondet17;havoc CdAudioPnp_#t~nondet17;CdAudioPnp_~irpSp__Parameters__UsageNotification__InPath~0 := CdAudioPnp_#t~nondet18;havoc CdAudioPnp_#t~nondet18;CdAudioPnp_~deviceExtension__PagingPathCount~0 := CdAudioPnp_#t~nondet19;havoc CdAudioPnp_#t~nondet19;havoc CdAudioPnp_~DeviceObject__Flags~0;havoc CdAudioPnp_~irpSp~0;havoc CdAudioPnp_~status~2;havoc CdAudioPnp_~setPagable~0;havoc CdAudioPnp_~tmp~1;havoc CdAudioPnp_~tmp___0~0;CdAudioPnp_~irpSp~0 := CdAudioPnp_~Irp__Tail__Overlay__CurrentStackLocation~0;CdAudioPnp_~status~2 := -1073741637; 611#L235true assume 0 == CdAudioPnp_~irpSp__MinorFunction~0; 747#L236true CdAudioStartDevice_#in~DeviceObject, CdAudioStartDevice_#in~Irp := CdAudioPnp_~DeviceObject, CdAudioPnp_~Irp;havoc CdAudioStartDevice_#res;havoc CdAudioStartDevice_#t~nondet5, CdAudioStartDevice_#t~nondet6, CdAudioStartDevice_#t~nondet7, CdAudioStartDevice_#t~nondet8, CdAudioStartDevice_#t~nondet9, CdAudioStartDevice_#t~ret10, CdAudioStartDevice_#t~post11, CdAudioStartDevice_#t~ret12, CdAudioStartDevice_#t~ret13, CdAudioStartDevice_~DeviceObject, CdAudioStartDevice_~Irp, CdAudioStartDevice_~deviceExtension__Active~0, CdAudioStartDevice_~deviceExtension~0, CdAudioStartDevice_~status~1, CdAudioStartDevice_~srb~0, CdAudioStartDevice_~srb__Cdb~0, CdAudioStartDevice_~cdb~0, CdAudioStartDevice_~inquiryDataPtr~0, CdAudioStartDevice_~attempt~0, CdAudioStartDevice_~tmp~0, CdAudioStartDevice_~deviceParameterHandle~0, CdAudioStartDevice_~keyValue~0;CdAudioStartDevice_~DeviceObject := CdAudioStartDevice_#in~DeviceObject;CdAudioStartDevice_~Irp := CdAudioStartDevice_#in~Irp;CdAudioStartDevice_~deviceExtension__Active~0 := CdAudioStartDevice_#t~nondet5;havoc CdAudioStartDevice_#t~nondet5;CdAudioStartDevice_~deviceExtension~0 := CdAudioStartDevice_#t~nondet6;havoc CdAudioStartDevice_#t~nondet6;havoc CdAudioStartDevice_~status~1;CdAudioStartDevice_~srb~0 := CdAudioStartDevice_#t~nondet7;havoc CdAudioStartDevice_#t~nondet7;CdAudioStartDevice_~srb__Cdb~0 := CdAudioStartDevice_#t~nondet8;havoc CdAudioStartDevice_#t~nondet8;havoc CdAudioStartDevice_~cdb~0;havoc CdAudioStartDevice_~inquiryDataPtr~0;havoc CdAudioStartDevice_~attempt~0;havoc CdAudioStartDevice_~tmp~0;CdAudioStartDevice_~deviceParameterHandle~0 := CdAudioStartDevice_#t~nondet9;havoc CdAudioStartDevice_#t~nondet9;havoc CdAudioStartDevice_~keyValue~0;CdAudioForwardIrpSynchronous_#in~DeviceObject, CdAudioForwardIrpSynchronous_#in~Irp := CdAudioStartDevice_~DeviceObject, CdAudioStartDevice_~Irp;havoc CdAudioForwardIrpSynchronous_#res;havoc CdAudioForwardIrpSynchronous_#t~nondet140, CdAudioForwardIrpSynchronous_#t~nondet141, CdAudioForwardIrpSynchronous_#t~ret142, CdAudioForwardIrpSynchronous_#t~ret143, CdAudioForwardIrpSynchronous_~DeviceObject, CdAudioForwardIrpSynchronous_~Irp, CdAudioForwardIrpSynchronous_~deviceExtension__TargetDeviceObject~3, CdAudioForwardIrpSynchronous_~event~2, CdAudioForwardIrpSynchronous_~status~8, CdAudioForwardIrpSynchronous_~irpSp__Control~1;CdAudioForwardIrpSynchronous_~DeviceObject := CdAudioForwardIrpSynchronous_#in~DeviceObject;CdAudioForwardIrpSynchronous_~Irp := CdAudioForwardIrpSynchronous_#in~Irp;CdAudioForwardIrpSynchronous_~deviceExtension__TargetDeviceObject~3 := CdAudioForwardIrpSynchronous_#t~nondet140;havoc CdAudioForwardIrpSynchronous_#t~nondet140;CdAudioForwardIrpSynchronous_~event~2 := CdAudioForwardIrpSynchronous_#t~nondet141;havoc CdAudioForwardIrpSynchronous_#t~nondet141;havoc CdAudioForwardIrpSynchronous_~status~8;havoc CdAudioForwardIrpSynchronous_~irpSp__Control~1; 491#L1645true assume !(~s~0 != ~NP~0); 282#L1650true assume !(0 != ~compRegistered~0);~compRegistered~0 := 1;~routine~0 := 1; 283#L1650-1true CdAudioForwardIrpSynchronous_~irpSp__Control~1 := 224;IofCallDriver_#in~DeviceObject, IofCallDriver_#in~Irp := CdAudioForwardIrpSynchronous_~deviceExtension__TargetDeviceObject~3, CdAudioForwardIrpSynchronous_~Irp;havoc IofCallDriver_#res;havoc IofCallDriver_#t~nondet162, IofCallDriver_#t~nondet163, IofCallDriver_#t~ret164, IofCallDriver_#t~ret165, IofCallDriver_#t~nondet166, IofCallDriver_#t~nondet167, IofCallDriver_~tmp_ndt_6~0, IofCallDriver_~tmp_ndt_5~0, IofCallDriver_~DeviceObject, IofCallDriver_~Irp, IofCallDriver_~Irp__PendingReturned~1, IofCallDriver_~returnVal2~0, IofCallDriver_~compRetStatus~0, IofCallDriver_~lcontext~0, IofCallDriver_~__cil_tmp8~1;IofCallDriver_~DeviceObject := IofCallDriver_#in~DeviceObject;IofCallDriver_~Irp := IofCallDriver_#in~Irp;IofCallDriver_~Irp__PendingReturned~1 := IofCallDriver_#t~nondet162;havoc IofCallDriver_#t~nondet162;havoc IofCallDriver_~returnVal2~0;havoc IofCallDriver_~compRetStatus~0;IofCallDriver_~lcontext~0 := IofCallDriver_#t~nondet163;havoc IofCallDriver_#t~nondet163;havoc IofCallDriver_~__cil_tmp8~1; 1074#L1901-14true assume !(0 != ~compRegistered~0); 1064#L1901-15true assume 0 != IofCallDriver_~Irp__PendingReturned~1;IofCallDriver_~returnVal2~0 := 259; 890#L1947-7true assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0; 378#L59-75true IofCallDriver_#res := IofCallDriver_~returnVal2~0; 537#L1975-7true CdAudioForwardIrpSynchronous_#t~ret142 := IofCallDriver_#res;CdAudioForwardIrpSynchronous_~status~8 := CdAudioForwardIrpSynchronous_#t~ret142;havoc CdAudioForwardIrpSynchronous_#t~ret142;CdAudioForwardIrpSynchronous_~status~8 := 259; 769#L1664true assume !(0 != CdAudioForwardIrpSynchronous_~status~8); 759#L1664-2true CdAudioForwardIrpSynchronous_#res := CdAudioForwardIrpSynchronous_~status~8; 480#L1670true CdAudioStartDevice_#t~ret10 := CdAudioForwardIrpSynchronous_#res;CdAudioStartDevice_~status~1 := CdAudioStartDevice_#t~ret10;havoc CdAudioStartDevice_#t~ret10; 213#L157true assume !(CdAudioStartDevice_~status~1 < 0); 1028#L161true assume 255 == CdAudioStartDevice_~deviceExtension__Active~0;CdAudioStartDevice_~cdb~0 := CdAudioStartDevice_~srb__Cdb~0;CdAudioStartDevice_~inquiryDataPtr~0 := 0;CdAudioStartDevice_~attempt~0 := 0; 980#L165true assume !(0 == CdAudioStartDevice_~inquiryDataPtr~0);CdAudioStartDevice_~status~1 := -1073741823; 413#L171-2true [2018-11-23 00:54:10,268 INFO L796 eck$LassoCheckResult]: Loop: 413#L171-2true assume !false; 368#L172true assume CdAudioStartDevice_~status~1 < 0;CdAudioStartDevice_~tmp~0 := CdAudioStartDevice_~attempt~0;CdAudioStartDevice_#t~post11 := CdAudioStartDevice_~attempt~0;CdAudioStartDevice_~attempt~0 := 1 + CdAudioStartDevice_#t~post11;havoc CdAudioStartDevice_#t~post11; 261#L178true assume !(CdAudioStartDevice_~tmp~0 >= 4); 271#L175true SendSrbSynchronous_#in~Extension, SendSrbSynchronous_#in~Srb, SendSrbSynchronous_#in~Buffer, SendSrbSynchronous_#in~BufferLength := CdAudioStartDevice_~deviceExtension~0, CdAudioStartDevice_~srb~0, CdAudioStartDevice_~inquiryDataPtr~0, 36;havoc SendSrbSynchronous_#res;havoc SendSrbSynchronous_#t~nondet0, SendSrbSynchronous_#t~nondet1, SendSrbSynchronous_#t~nondet2, SendSrbSynchronous_#t~ret3, SendSrbSynchronous_~Extension, SendSrbSynchronous_~Srb, SendSrbSynchronous_~Buffer, SendSrbSynchronous_~BufferLength, SendSrbSynchronous_~ioStatus__Status~0, SendSrbSynchronous_~ioctl~0, SendSrbSynchronous_~event~0, SendSrbSynchronous_~irp~0, SendSrbSynchronous_~status~0, SendSrbSynchronous_~__cil_tmp10~0, SendSrbSynchronous_~__cil_tmp11~0, SendSrbSynchronous_~__cil_tmp12~0, SendSrbSynchronous_~__cil_tmp13~0, SendSrbSynchronous_~__cil_tmp14~0, SendSrbSynchronous_~__cil_tmp15~0, SendSrbSynchronous_~__cil_tmp16~0, SendSrbSynchronous_~__cil_tmp17~0, SendSrbSynchronous_~__cil_tmp18~0;SendSrbSynchronous_~Extension := SendSrbSynchronous_#in~Extension;SendSrbSynchronous_~Srb := SendSrbSynchronous_#in~Srb;SendSrbSynchronous_~Buffer := SendSrbSynchronous_#in~Buffer;SendSrbSynchronous_~BufferLength := SendSrbSynchronous_#in~BufferLength;SendSrbSynchronous_~ioStatus__Status~0 := SendSrbSynchronous_#t~nondet0;havoc SendSrbSynchronous_#t~nondet0;havoc SendSrbSynchronous_~ioctl~0;SendSrbSynchronous_~event~0 := SendSrbSynchronous_#t~nondet1;havoc SendSrbSynchronous_#t~nondet1;havoc SendSrbSynchronous_~irp~0;SendSrbSynchronous_~status~0 := SendSrbSynchronous_#t~nondet2;havoc SendSrbSynchronous_#t~nondet2;havoc SendSrbSynchronous_~__cil_tmp10~0;havoc SendSrbSynchronous_~__cil_tmp11~0;havoc SendSrbSynchronous_~__cil_tmp12~0;havoc SendSrbSynchronous_~__cil_tmp13~0;havoc SendSrbSynchronous_~__cil_tmp14~0;havoc SendSrbSynchronous_~__cil_tmp15~0;havoc SendSrbSynchronous_~__cil_tmp16~0;havoc SendSrbSynchronous_~__cil_tmp17~0;havoc SendSrbSynchronous_~__cil_tmp18~0;SendSrbSynchronous_~irp~0 := 0; 521#L102-48true assume !(0 != SendSrbSynchronous_~Buffer);SendSrbSynchronous_~__cil_tmp14~0 := 4100;SendSrbSynchronous_~__cil_tmp15~0 := 49152;SendSrbSynchronous_~__cil_tmp16~0 := 262144;SendSrbSynchronous_~__cil_tmp17~0 := 311296;SendSrbSynchronous_~ioctl~0 := 315396; 738#L102-50true assume 0 == SendSrbSynchronous_~irp~0;SendSrbSynchronous_#res := -1073741670; 374#L127-16true CdAudioStartDevice_#t~ret12 := SendSrbSynchronous_#res;CdAudioStartDevice_~status~1 := CdAudioStartDevice_#t~ret12;havoc CdAudioStartDevice_#t~ret12; 413#L171-2true [2018-11-23 00:54:10,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:54:10,277 INFO L82 PathProgramCache]: Analyzing trace with hash -724469431, now seen corresponding path program 1 times [2018-11-23 00:54:10,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:54:10,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:54:10,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:10,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:54:10,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:54:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:54:10,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:54:10,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:54:10,406 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-23 00:54:10,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:54:10,406 INFO L82 PathProgramCache]: Analyzing trace with hash -200849285, now seen corresponding path program 1 times [2018-11-23 00:54:10,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:54:10,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:54:10,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:10,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:54:10,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:54:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:54:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:54:10,537 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:54:10,538 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:54:10,538 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:54:10,539 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:54:10,539 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 00:54:10,539 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:54:10,539 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:54:10,539 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:54:10,539 INFO L131 ssoRankerPreferences]: Filename of dumped script: cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c_Iteration1_Loop [2018-11-23 00:54:10,539 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:54:10,540 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:54:10,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:10,784 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:54:10,784 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/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 [2018-11-23 00:54:10,788 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:54:10,788 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:54:10,793 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:54:10,794 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_SendSrbSynchronous_~__cil_tmp12~0=0} Honda state: {ULTIMATE.start_SendSrbSynchronous_~__cil_tmp12~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:54:10,820 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:54:10,821 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:54:10,831 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:54:10,831 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_CdAudioStartDevice_~inquiryDataPtr~0=0, ULTIMATE.start_SendSrbSynchronous_~Buffer=0, ULTIMATE.start_SendSrbSynchronous_#in~Buffer=0} Honda state: {ULTIMATE.start_CdAudioStartDevice_~inquiryDataPtr~0=0, ULTIMATE.start_SendSrbSynchronous_~Buffer=0, ULTIMATE.start_SendSrbSynchronous_#in~Buffer=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:54:10,857 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:54:10,857 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:54:10,860 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:54:10,860 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_SendSrbSynchronous_~__cil_tmp15~0=49152} Honda state: {ULTIMATE.start_SendSrbSynchronous_~__cil_tmp15~0=49152} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/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 [2018-11-23 00:54:10,887 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:54:10,888 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:54:10,890 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:54:10,890 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_SendSrbSynchronous_#t~ret3=0} Honda state: {ULTIMATE.start_SendSrbSynchronous_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:54:10,916 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:54:10,916 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029b90a8-ac8c-4685-b151-4c70c6d8ce37/bin-2019/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:54:10,947 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 00:54:10,948 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:54:11,043 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 00:54:11,044 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:54:11,044 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:54:11,045 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:54:11,045 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:54:11,045 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 00:54:11,045 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:54:11,045 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:54:11,045 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:54:11,045 INFO L131 ssoRankerPreferences]: Filename of dumped script: cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c_Iteration1_Loop [2018-11-23 00:54:11,045 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:54:11,045 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:54:11,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:54:11,339 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:54:11,344 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 00:54:11,345 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 [2018-11-23 00:54:11,348 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:54:11,348 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:54:11,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:54:11,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:54:11,349 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:54:11,350 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:54:11,351 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:54:11,352 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:54:11,353 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 [2018-11-23 00:54:11,353 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:54:11,353 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:54:11,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:54:11,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:54:11,354 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:54:11,354 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:54:11,354 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:54:11,357 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:54:11,357 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 [2018-11-23 00:54:11,358 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:54:11,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:54:11,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:54:11,358 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:54:11,358 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:54:11,359 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:54:11,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:54:11,362 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:54:11,362 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 [2018-11-23 00:54:11,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:54:11,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:54:11,364 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:54:11,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:54:11,364 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:54:11,364 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:54:11,364 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:54:11,370 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 00:54:11,373 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 00:54:11,374 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 00:54:11,375 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 00:54:11,375 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 00:54:11,376 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 00:54:11,377 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_CdAudioStartDevice_~attempt~0) = -2*ULTIMATE.start_CdAudioStartDevice_~attempt~0 + 7 Supporting invariants [] [2018-11-23 00:54:11,378 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 00:54:11,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:54:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:54:11,478 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:54:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:54:11,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:54:11,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:54:11,567 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-23 00:54:11,568 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1080 states. Second operand 5 states. [2018-11-23 00:54:11,719 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1080 states.. Second operand 5 states. Result 2111 states and 3168 transitions. Complement of second has 7 states. [2018-11-23 00:54:11,720 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 [2018-11-23 00:54:11,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 00:54:11,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2953 transitions. [2018-11-23 00:54:11,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2953 transitions. Stem has 25 letters. Loop has 7 letters. [2018-11-23 00:54:11,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 00:54:11,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2953 transitions. Stem has 32 letters. Loop has 7 letters. [2018-11-23 00:54:11,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 00:54:11,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2953 transitions. Stem has 25 letters. Loop has 14 letters. [2018-11-23 00:54:11,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 00:54:11,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2111 states and 3168 transitions. [2018-11-23 00:54:11,743 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 00:54:11,746 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2111 states to 0 states and 0 transitions. [2018-11-23 00:54:11,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 00:54:11,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 00:54:11,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 00:54:11,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 00:54:11,748 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:54:11,748 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:54:11,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:54:11,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:54:11,752 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-23 00:54:11,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:54:11,754 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 00:54:11,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:54:11,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-23 00:54:11,755 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 00:54:11,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:54:11,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 00:54:11,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 00:54:11,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 00:54:11,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 00:54:11,755 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:54:11,755 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:54:11,755 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:54:11,755 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 00:54:11,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:54:11,756 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 00:54:11,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 00:54:11,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:54:11 BoogieIcfgContainer [2018-11-23 00:54:11,761 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 00:54:11,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:54:11,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:54:11,761 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:54:11,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:10" (3/4) ... [2018-11-23 00:54:11,765 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 00:54:11,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:54:11,765 INFO L168 Benchmark]: Toolchain (without parser) took 3905.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:54:11,767 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:54:11,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:54:11,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 00:54:11,768 INFO L168 Benchmark]: Boogie Preprocessor took 88.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:54:11,768 INFO L168 Benchmark]: RCFGBuilder took 1632.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.0 MB). Peak memory consumption was 236.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:54:11,769 INFO L168 Benchmark]: BuchiAutomizer took 1619.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -83.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:54:11,769 INFO L168 Benchmark]: Witness Printer took 3.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:54:11,772 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 460.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1632.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.0 MB). Peak memory consumption was 236.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1619.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -83.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 -2 * attempt + 7 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 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 1647 SDtfs, 1648 SDslu, 197 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital68 mio100 ax100 hnf101 lsp18 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp100 dnf100 smp100 tf109 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...