./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/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_5d5fe979-327a-4d1b-94d0-0b28527c49e4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/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 0.1.23-635dfa2 [2018-12-08 12:13:08,152 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:13:08,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:13:08,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:13:08,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:13:08,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:13:08,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:13:08,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:13:08,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:13:08,163 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:13:08,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:13:08,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:13:08,164 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:13:08,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:13:08,165 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:13:08,165 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:13:08,166 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:13:08,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:13:08,168 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:13:08,168 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:13:08,169 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:13:08,170 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:13:08,171 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:13:08,171 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:13:08,171 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:13:08,171 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:13:08,172 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:13:08,172 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:13:08,173 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:13:08,173 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:13:08,173 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:13:08,174 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:13:08,174 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:13:08,174 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:13:08,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:13:08,175 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:13:08,175 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 12:13:08,183 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:13:08,183 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:13:08,183 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:13:08,184 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:13:08,184 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:13:08,184 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 12:13:08,184 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 12:13:08,184 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 12:13:08,184 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 12:13:08,184 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 12:13:08,184 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 12:13:08,184 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:13:08,184 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:13:08,185 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 12:13:08,186 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:13:08,186 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:13:08,186 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 12:13:08,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:13:08,186 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:13:08,186 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 12:13:08,186 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 12:13:08,187 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_5d5fe979-327a-4d1b-94d0-0b28527c49e4/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 [2018-12-08 12:13:08,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:13:08,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:13:08,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:13:08,213 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:13:08,213 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:13:08,214 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/bin-2019/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-08 12:13:08,251 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/bin-2019/uautomizer/data/af6fa518f/845bed6bd4dd44d6912b743aa7b913dc/FLAG639dcd744 [2018-12-08 12:13:08,685 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:13:08,686 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-08 12:13:08,693 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/bin-2019/uautomizer/data/af6fa518f/845bed6bd4dd44d6912b743aa7b913dc/FLAG639dcd744 [2018-12-08 12:13:08,701 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/bin-2019/uautomizer/data/af6fa518f/845bed6bd4dd44d6912b743aa7b913dc [2018-12-08 12:13:08,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:13:08,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:13:08,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:13:08,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:13:08,707 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:13:08,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:13:08" (1/1) ... [2018-12-08 12:13:08,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186e2be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:08, skipping insertion in model container [2018-12-08 12:13:08,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:13:08" (1/1) ... [2018-12-08 12:13:08,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:13:08,749 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:13:08,971 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:13:09,009 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:13:09,076 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:13:09,088 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:13:09,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09 WrapperNode [2018-12-08 12:13:09,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:13:09,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:13:09,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:13:09,089 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:13:09,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (1/1) ... [2018-12-08 12:13:09,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (1/1) ... [2018-12-08 12:13:09,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:13:09,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:13:09,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:13:09,175 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:13:09,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (1/1) ... [2018-12-08 12:13:09,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (1/1) ... [2018-12-08 12:13:09,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (1/1) ... [2018-12-08 12:13:09,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (1/1) ... [2018-12-08 12:13:09,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (1/1) ... [2018-12-08 12:13:09,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (1/1) ... [2018-12-08 12:13:09,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (1/1) ... [2018-12-08 12:13:09,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:13:09,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:13:09,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:13:09,237 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:13:09,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/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 [2018-12-08 12:13:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:13:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:13:09,456 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,456 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,457 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,457 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,465 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,465 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,467 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,467 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,471 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,472 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,475 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,475 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,477 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,477 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,480 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,480 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,482 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,482 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,483 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,483 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,484 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,484 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,485 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,485 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,486 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,487 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,487 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,489 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,489 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,489 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,489 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,491 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,491 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,492 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,492 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,493 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,493 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,494 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,494 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,495 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,495 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,495 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,495 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,496 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,496 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,497 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,497 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,498 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,498 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,499 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,499 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,499 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,500 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,500 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,501 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,501 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,501 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,502 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,502 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,502 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,503 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,504 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,504 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,505 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,505 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,506 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,506 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,507 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,507 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,508 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,508 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,509 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,509 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,510 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,510 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,511 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,511 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,512 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,512 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,513 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,513 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,514 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,514 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,514 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,514 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,515 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,516 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,516 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:09,517 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 12:13:09,517 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:13:10,496 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:13:10,496 INFO L280 CfgBuilder]: Removed 553 assue(true) statements. [2018-12-08 12:13:10,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:13:10 BoogieIcfgContainer [2018-12-08 12:13:10,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:13:10,496 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 12:13:10,496 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 12:13:10,498 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 12:13:10,499 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:13:10,499 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 12:13:08" (1/3) ... [2018-12-08 12:13:10,500 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22b17d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 12:13:10, skipping insertion in model container [2018-12-08 12:13:10,500 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:13:10,500 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:13:09" (2/3) ... [2018-12-08 12:13:10,500 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22b17d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 12:13:10, skipping insertion in model container [2018-12-08 12:13:10,500 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:13:10,500 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:13:10" (3/3) ... [2018-12-08 12:13:10,501 INFO L375 chiAutomizerObserver]: Analyzing ICFG cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-08 12:13:10,531 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:13:10,531 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 12:13:10,532 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 12:13:10,532 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 12:13:10,532 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:13:10,532 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:13:10,532 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 12:13:10,532 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:13:10,532 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 12:13:10,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1080 states. [2018-12-08 12:13:10,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2018-12-08 12:13:10,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 12:13:10,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 12:13:10,603 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] [2018-12-08 12:13:10,603 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:13:10,603 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 12:13:10,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1080 states. [2018-12-08 12:13:10,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2018-12-08 12:13:10,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 12:13:10,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 12:13:10,614 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] [2018-12-08 12:13:10,614 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:13:10,622 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 [2018-12-08 12:13:10,622 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 [2018-12-08 12:13:10,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:13:10,627 INFO L82 PathProgramCache]: Analyzing trace with hash -724469431, now seen corresponding path program 1 times [2018-12-08 12:13:10,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:13:10,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:13:10,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:13:10,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:13:10,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:13:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:13:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:13:10,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:13:10,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:13:10,751 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-08 12:13:10,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:13:10,752 INFO L82 PathProgramCache]: Analyzing trace with hash -200849285, now seen corresponding path program 1 times [2018-12-08 12:13:10,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:13:10,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:13:10,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:13:10,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:13:10,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:13:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:13:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:13:10,856 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:13:10,857 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:13:10,857 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:13:10,857 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:13:10,857 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 12:13:10,857 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:13:10,857 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:13:10,857 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:13:10,857 INFO L131 ssoRankerPreferences]: Filename of dumped script: cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c_Iteration1_Loop [2018-12-08 12:13:10,857 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:13:10,858 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:13:10,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:10,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,041 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:13:11,041 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/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 [2018-12-08 12:13:11,044 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:13:11,044 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:13:11,049 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:13:11,050 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_5d5fe979-327a-4d1b-94d0-0b28527c49e4/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 [2018-12-08 12:13:11,065 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:13:11,065 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:13:11,070 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:13:11,070 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_5d5fe979-327a-4d1b-94d0-0b28527c49e4/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 [2018-12-08 12:13:11,086 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:13:11,086 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:13:11,088 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:13:11,088 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_5d5fe979-327a-4d1b-94d0-0b28527c49e4/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 [2018-12-08 12:13:11,103 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:13:11,103 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:13:11,105 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:13:11,105 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_5d5fe979-327a-4d1b-94d0-0b28527c49e4/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 [2018-12-08 12:13:11,127 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:13:11,127 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d5fe979-327a-4d1b-94d0-0b28527c49e4/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 [2018-12-08 12:13:11,148 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 12:13:11,148 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:13:11,245 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 12:13:11,247 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:13:11,247 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:13:11,247 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:13:11,248 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:13:11,248 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 12:13:11,248 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:13:11,248 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:13:11,248 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:13:11,248 INFO L131 ssoRankerPreferences]: Filename of dumped script: cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c_Iteration1_Loop [2018-12-08 12:13:11,248 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:13:11,248 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:13:11,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:13:11,414 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:13:11,417 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 12:13:11,418 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 [2018-12-08 12:13:11,419 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:13:11,419 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:13:11,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:13:11,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:13:11,420 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:13:11,421 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:13:11,421 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:13:11,422 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:13:11,422 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 [2018-12-08 12:13:11,423 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:13:11,423 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:13:11,423 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:13:11,423 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:13:11,423 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:13:11,423 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:13:11,423 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:13:11,425 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:13:11,425 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 [2018-12-08 12:13:11,425 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:13:11,426 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:13:11,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:13:11,426 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:13:11,426 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:13:11,426 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:13:11,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:13:11,428 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:13:11,429 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 [2018-12-08 12:13:11,429 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:13:11,429 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:13:11,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:13:11,429 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:13:11,429 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:13:11,430 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:13:11,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:13:11,433 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 12:13:11,435 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-08 12:13:11,435 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-08 12:13:11,437 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 12:13:11,437 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-08 12:13:11,437 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 12:13:11,437 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_CdAudioStartDevice_~attempt~0) = -2*ULTIMATE.start_CdAudioStartDevice_~attempt~0 + 7 Supporting invariants [] [2018-12-08 12:13:11,438 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-08 12:13:11,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:13:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:13:11,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:13:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:13:11,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:13:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:13:11,550 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 [2018-12-08 12:13:11,551 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1080 states. Second operand 5 states. [2018-12-08 12:13:11,658 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. [2018-12-08 12:13:11,659 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 [2018-12-08 12:13:11,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-12-08 12:13:11,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2953 transitions. [2018-12-08 12:13:11,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2953 transitions. Stem has 25 letters. Loop has 7 letters. [2018-12-08 12:13:11,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 12:13:11,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2953 transitions. Stem has 32 letters. Loop has 7 letters. [2018-12-08 12:13:11,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 12:13:11,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2953 transitions. Stem has 25 letters. Loop has 14 letters. [2018-12-08 12:13:11,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 12:13:11,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2111 states and 3168 transitions. [2018-12-08 12:13:11,676 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 12:13:11,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2111 states to 0 states and 0 transitions. [2018-12-08 12:13:11,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 12:13:11,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 12:13:11,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 12:13:11,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 12:13:11,680 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:13:11,680 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:13:11,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 12:13:11,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:13:11,683 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-12-08 12:13:11,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:13:11,684 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-08 12:13:11,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 12:13:11,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-12-08 12:13:11,685 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 12:13:11,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 12:13:11,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 12:13:11,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 12:13:11,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 12:13:11,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 12:13:11,686 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:13:11,686 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:13:11,686 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:13:11,686 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 12:13:11,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-08 12:13:11,686 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 12:13:11,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-08 12:13:11,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 12:13:11 BoogieIcfgContainer [2018-12-08 12:13:11,691 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 12:13:11,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:13:11,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:13:11,691 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:13:11,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:13:10" (3/4) ... [2018-12-08 12:13:11,694 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:13:11,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:13:11,694 INFO L168 Benchmark]: Toolchain (without parser) took 2990.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 240.6 MB). Free memory was 956.0 MB in the beginning and 925.3 MB in the end (delta: 30.7 MB). Peak memory consumption was 271.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:13:11,695 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:13:11,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:13:11,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.98 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:13:11,696 INFO L168 Benchmark]: Boogie Preprocessor took 62.32 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:13:11,697 INFO L168 Benchmark]: RCFGBuilder took 1258.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.6 MB). Peak memory consumption was 292.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:13:11,697 INFO L168 Benchmark]: BuchiAutomizer took 1194.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 925.3 MB in the end (delta: 255.8 MB). Peak memory consumption was 255.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:13:11,698 INFO L168 Benchmark]: Witness Printer took 2.95 ms. Allocated memory is still 1.3 GB. Free memory is still 925.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:13:11,700 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.98 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.32 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1258.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.6 MB). Peak memory consumption was 292.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1194.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 925.3 MB in the end (delta: 255.8 MB). Peak memory consumption was 255.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.95 ms. Allocated memory is still 1.3 GB. Free memory is still 925.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 4ms 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...