./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/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 564a601a6273fd55bda5923edf4b35a694c899ec ..................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:28:16,780 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:28:16,782 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:28:16,790 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:28:16,790 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:28:16,791 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:28:16,792 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:28:16,793 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:28:16,795 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:28:16,795 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:28:16,796 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:28:16,796 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:28:16,797 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:28:16,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:28:16,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:28:16,799 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:28:16,800 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:28:16,801 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:28:16,803 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:28:16,804 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:28:16,805 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:28:16,806 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:28:16,808 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:28:16,808 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:28:16,808 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:28:16,809 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:28:16,810 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:28:16,811 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:28:16,811 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:28:16,812 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:28:16,812 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:28:16,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:28:16,813 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:28:16,813 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:28:16,814 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:28:16,814 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:28:16,814 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:28:16,826 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:28:16,826 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:28:16,827 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:28:16,827 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:28:16,827 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:28:16,827 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:28:16,827 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:28:16,828 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:28:16,828 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:28:16,828 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:28:16,828 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:28:16,828 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:28:16,828 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:28:16,828 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:28:16,828 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:28:16,828 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:28:16,829 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:28:16,829 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:28:16,829 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:28:16,829 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:28:16,829 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:28:16,829 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:28:16,829 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:28:16,830 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:28:16,830 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:28:16,830 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:28:16,831 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:28:16,831 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:28:16,831 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:28:16,832 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:28:16,832 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:28:16,832 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:28:16,832 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_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/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 -> 564a601a6273fd55bda5923edf4b35a694c899ec [2018-11-18 10:28:16,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:28:16,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:28:16,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:28:16,865 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:28:16,865 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:28:16,866 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 10:28:16,902 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/data/195980aa5/02ce85e3b5a4413392d7ebfba4d51a2f/FLAGe1536a49c [2018-11-18 10:28:17,269 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:28:17,270 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 10:28:17,278 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/data/195980aa5/02ce85e3b5a4413392d7ebfba4d51a2f/FLAGe1536a49c [2018-11-18 10:28:17,662 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/data/195980aa5/02ce85e3b5a4413392d7ebfba4d51a2f [2018-11-18 10:28:17,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:28:17,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:28:17,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:28:17,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:28:17,667 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:28:17,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:17,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33cd3fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17, skipping insertion in model container [2018-11-18 10:28:17,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:17,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:28:17,705 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:28:17,893 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:28:17,897 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:28:17,956 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:28:17,973 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:28:17,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17 WrapperNode [2018-11-18 10:28:17,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:28:17,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:28:17,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:28:17,975 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:28:18,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:18,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:18,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:28:18,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:28:18,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:28:18,083 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:28:18,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:18,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:18,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:18,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:18,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:18,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:18,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (1/1) ... [2018-11-18 10:28:18,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:28:18,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:28:18,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:28:18,147 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:28:18,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 10:28:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:28:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:28:18,345 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,346 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,358 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,358 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,362 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,363 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,371 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,371 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,375 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,375 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,378 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,378 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,384 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,385 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,388 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,388 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,390 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,390 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,394 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,395 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,397 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,397 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,399 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,399 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,402 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,402 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,404 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,405 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,405 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,405 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,408 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,408 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,410 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,410 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,412 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,413 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,414 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,414 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,417 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,417 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,420 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,420 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:18,423 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 10:28:18,423 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 10:28:19,252 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:28:19,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:19 BoogieIcfgContainer [2018-11-18 10:28:19,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:28:19,253 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:28:19,253 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:28:19,256 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:28:19,256 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:28:19,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:28:17" (1/3) ... [2018-11-18 10:28:19,257 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29f22876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:28:19, skipping insertion in model container [2018-11-18 10:28:19,257 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:28:19,257 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:17" (2/3) ... [2018-11-18 10:28:19,257 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29f22876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:28:19, skipping insertion in model container [2018-11-18 10:28:19,257 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:28:19,257 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:19" (3/3) ... [2018-11-18 10:28:19,258 INFO L375 chiAutomizerObserver]: Analyzing ICFG diskperf_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 10:28:19,293 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:28:19,293 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:28:19,294 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:28:19,294 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:28:19,294 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:28:19,294 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:28:19,294 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:28:19,294 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:28:19,294 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:28:19,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 571 states. [2018-11-18 10:28:19,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-18 10:28:19,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:28:19,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:28:19,358 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:28:19,358 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-18 10:28:19,358 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:28:19,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 571 states. [2018-11-18 10:28:19,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-18 10:28:19,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:28:19,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:28:19,370 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:28:19,370 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-18 10:28:19,376 INFO L794 eck$LassoCheckResult]: Stem: 422#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~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;~myStatus~0 := 0;~routine~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~KernelMode~0 := 0; 315#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet97, main_#t~nondet98, main_#t~nondet99, main_#t~nondet100, main_#t~nondet101, main_#t~nondet102, main_#t~nondet103, main_#t~nondet104, main_#t~nondet105, main_#t~nondet106, main_#t~nondet107, main_#t~ret108, main_#t~ret109, main_#t~ret110, main_#t~ret111, main_#t~ret112, main_~tmp_ndt_5~0, main_~tmp_ndt_4~0, main_~tmp_ndt_3~0, main_~tmp_ndt_2~0, main_~tmp_ndt_1~0, main_~d~0, main_~status~6, main_~we_should_unload~0, main_~irp~1, main_~pirp__IoStatus__Status~0, main_~irp_choice~0, main_~devobj~0, main_~__cil_tmp9~0;main_~d~0 := main_#t~nondet97;havoc main_#t~nondet97;main_~status~6 := main_#t~nondet98;havoc main_#t~nondet98;main_~we_should_unload~0 := main_#t~nondet99;havoc main_#t~nondet99;main_~irp~1 := main_#t~nondet100;havoc main_#t~nondet100;havoc main_~pirp__IoStatus__Status~0;main_~irp_choice~0 := main_#t~nondet101;havoc main_#t~nondet101;main_~devobj~0 := main_#t~nondet102;havoc main_#t~nondet102;havoc main_~__cil_tmp9~0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~myStatus~0 := 0;~routine~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~KernelMode~0 := 0;~pirp~0 := main_~irp~1;assume { :begin_inline__BLAST_init } true;~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 210#L78true assume { :end_inline__BLAST_init } true; 466#L682true assume main_~status~6 >= 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; 323#L692true assume !(0 == main_~irp_choice~0); 326#L692-2true assume { :begin_inline_stub_driver_init } true;~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; 5#L643true assume { :end_inline_stub_driver_init } true; 519#L700true assume !(main_~status~6 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet103;havoc main_#t~nondet103; 135#L706true assume !(0 == main_~tmp_ndt_1~0);havoc main_~tmp_ndt_2~0;main_~tmp_ndt_2~0 := main_#t~nondet104;havoc main_#t~nondet104; 517#L711true assume 2 == main_~tmp_ndt_2~0; 571#L712true assume { :begin_inline_DiskPerfDeviceControl } true;DiskPerfDeviceControl_#in~DeviceObject, DiskPerfDeviceControl_#in~Irp := main_~devobj~0, ~pirp~0;havoc DiskPerfDeviceControl_#res;havoc DiskPerfDeviceControl_#t~nondet50, DiskPerfDeviceControl_#t~nondet51, DiskPerfDeviceControl_#t~nondet52, DiskPerfDeviceControl_#t~nondet53, DiskPerfDeviceControl_#t~nondet54, DiskPerfDeviceControl_#t~nondet55, DiskPerfDeviceControl_#t~nondet56, DiskPerfDeviceControl_#t~nondet57, DiskPerfDeviceControl_#t~nondet58, DiskPerfDeviceControl_#t~nondet59, DiskPerfDeviceControl_#t~nondet60, DiskPerfDeviceControl_#t~post61, DiskPerfDeviceControl_#t~post62, DiskPerfDeviceControl_#t~post63, DiskPerfDeviceControl_#t~ret64, DiskPerfDeviceControl_~DeviceObject, DiskPerfDeviceControl_~Irp, DiskPerfDeviceControl_~Irp__CurrentLocation~2, DiskPerfDeviceControl_~Irp__Tail__Overlay__CurrentStackLocation~4, DiskPerfDeviceControl_~DeviceObject__DeviceExtension~5, DiskPerfDeviceControl_~deviceExtension__TargetDeviceObject~4, DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~0, DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~0, DiskPerfDeviceControl_~sizeof__DISK_PERFORMANCE~0, DiskPerfDeviceControl_~Irp__IoStatus__Information~1, DiskPerfDeviceControl_~deviceExtension__DiskCounters~0, DiskPerfDeviceControl_~Irp__AssociatedIrp__SystemBuffer~0, DiskPerfDeviceControl_~deviceExtension__Processors~0, DiskPerfDeviceControl_~totalCounters__QueueDepth~0, DiskPerfDeviceControl_~deviceExtension__QueueDepth~0, DiskPerfDeviceControl_~Irp__IoStatus__Status~2, DiskPerfDeviceControl_~deviceExtension~5, DiskPerfDeviceControl_~currentIrpStack~0, DiskPerfDeviceControl_~status~4, DiskPerfDeviceControl_~i~0, DiskPerfDeviceControl_~totalCounters~0, DiskPerfDeviceControl_~diskCounters~0, DiskPerfDeviceControl_~tmp~3, DiskPerfDeviceControl_~__cil_tmp24~0, DiskPerfDeviceControl_~__cil_tmp25~0, DiskPerfDeviceControl_~__cil_tmp26~0;DiskPerfDeviceControl_~DeviceObject := DiskPerfDeviceControl_#in~DeviceObject;DiskPerfDeviceControl_~Irp := DiskPerfDeviceControl_#in~Irp;DiskPerfDeviceControl_~Irp__CurrentLocation~2 := DiskPerfDeviceControl_#t~nondet50;havoc DiskPerfDeviceControl_#t~nondet50;DiskPerfDeviceControl_~Irp__Tail__Overlay__CurrentStackLocation~4 := DiskPerfDeviceControl_#t~nondet51;havoc DiskPerfDeviceControl_#t~nondet51;DiskPerfDeviceControl_~DeviceObject__DeviceExtension~5 := DiskPerfDeviceControl_#t~nondet52;havoc DiskPerfDeviceControl_#t~nondet52;DiskPerfDeviceControl_~deviceExtension__TargetDeviceObject~4 := DiskPerfDeviceControl_#t~nondet53;havoc DiskPerfDeviceControl_#t~nondet53;DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~0 := DiskPerfDeviceControl_#t~nondet54;havoc DiskPerfDeviceControl_#t~nondet54;DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~0 := DiskPerfDeviceControl_#t~nondet55;havoc DiskPerfDeviceControl_#t~nondet55;DiskPerfDeviceControl_~sizeof__DISK_PERFORMANCE~0 := DiskPerfDeviceControl_#t~nondet56;havoc DiskPerfDeviceControl_#t~nondet56;havoc DiskPerfDeviceControl_~Irp__IoStatus__Information~1;DiskPerfDeviceControl_~deviceExtension__DiskCounters~0 := DiskPerfDeviceControl_#t~nondet57;havoc DiskPerfDeviceControl_#t~nondet57;DiskPerfDeviceControl_~Irp__AssociatedIrp__SystemBuffer~0 := DiskPerfDeviceControl_#t~nondet58;havoc DiskPerfDeviceControl_#t~nondet58;DiskPerfDeviceControl_~deviceExtension__Processors~0 := DiskPerfDeviceControl_#t~nondet59;havoc DiskPerfDeviceControl_#t~nondet59;havoc DiskPerfDeviceControl_~totalCounters__QueueDepth~0;DiskPerfDeviceControl_~deviceExtension__QueueDepth~0 := DiskPerfDeviceControl_#t~nondet60;havoc DiskPerfDeviceControl_#t~nondet60;havoc DiskPerfDeviceControl_~Irp__IoStatus__Status~2;havoc DiskPerfDeviceControl_~deviceExtension~5;havoc DiskPerfDeviceControl_~currentIrpStack~0;havoc DiskPerfDeviceControl_~status~4;havoc DiskPerfDeviceControl_~i~0;havoc DiskPerfDeviceControl_~totalCounters~0;havoc DiskPerfDeviceControl_~diskCounters~0;havoc DiskPerfDeviceControl_~tmp~3;havoc DiskPerfDeviceControl_~__cil_tmp24~0;havoc DiskPerfDeviceControl_~__cil_tmp25~0;havoc DiskPerfDeviceControl_~__cil_tmp26~0;DiskPerfDeviceControl_~deviceExtension~5 := DiskPerfDeviceControl_~DeviceObject__DeviceExtension~5;DiskPerfDeviceControl_~currentIrpStack~0 := DiskPerfDeviceControl_~Irp__Tail__Overlay__CurrentStackLocation~4;DiskPerfDeviceControl_~__cil_tmp24~0 := 32;DiskPerfDeviceControl_~__cil_tmp25~0 := 458752;DiskPerfDeviceControl_~__cil_tmp26~0 := 458784; 221#L386true assume DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~0 == DiskPerfDeviceControl_~__cil_tmp26~0; 102#L387true assume !(DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~0 < DiskPerfDeviceControl_~sizeof__DISK_PERFORMANCE~0);DiskPerfDeviceControl_~diskCounters~0 := DiskPerfDeviceControl_~deviceExtension__DiskCounters~0; 506#L392true assume !(0 == DiskPerfDeviceControl_~diskCounters~0);DiskPerfDeviceControl_~totalCounters~0 := DiskPerfDeviceControl_~Irp__AssociatedIrp__SystemBuffer~0;DiskPerfDeviceControl_~i~0 := 0; 509#L403-3true [2018-11-18 10:28:19,377 INFO L796 eck$LassoCheckResult]: Loop: 509#L403-3true assume true; 507#L403-1true assume !false; 558#L404true assume !(DiskPerfDeviceControl_~i~0 >= DiskPerfDeviceControl_~deviceExtension__Processors~0);DiskPerfDeviceControl_#t~post61 := DiskPerfDeviceControl_~i~0;DiskPerfDeviceControl_~i~0 := 1 + DiskPerfDeviceControl_#t~post61;havoc DiskPerfDeviceControl_#t~post61; 509#L403-3true [2018-11-18 10:28:19,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:19,381 INFO L82 PathProgramCache]: Analyzing trace with hash -98355164, now seen corresponding path program 1 times [2018-11-18 10:28:19,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:28:19,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:28:19,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:19,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:19,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:28:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:28:19,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:19,486 INFO L82 PathProgramCache]: Analyzing trace with hash 123331, now seen corresponding path program 1 times [2018-11-18 10:28:19,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:28:19,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:28:19,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:19,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:19,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:28:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:28:19,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:19,494 INFO L82 PathProgramCache]: Analyzing trace with hash -930901312, now seen corresponding path program 1 times [2018-11-18 10:28:19,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:28:19,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:28:19,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:19,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:19,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:28:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:28:19,581 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 10:28:19,582 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 10:28:19,583 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 10:28:19,583 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 10:28:19,583 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 10:28:19,583 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 10:28:19,583 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 10:28:19,583 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 10:28:19,584 INFO L131 ssoRankerPreferences]: Filename of dumped script: diskperf_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c_Iteration1_Loop [2018-11-18 10:28:19,584 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 10:28:19,584 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 10:28:19,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 10:28:19,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 10:28:19,643 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 10:28:19,643 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 10:28:19,646 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 10:28:19,646 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5021def3-f7bd-4c6f-8f97-e278e4c96ccb/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 [2018-11-18 10:28:19,666 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 10:28:19,666 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 10:28:19,768 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 10:28:19,769 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 10:28:19,769 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 10:28:19,770 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 10:28:19,770 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 10:28:19,770 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 10:28:19,770 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 10:28:19,770 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 10:28:19,770 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 10:28:19,770 INFO L131 ssoRankerPreferences]: Filename of dumped script: diskperf_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c_Iteration1_Loop [2018-11-18 10:28:19,770 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 10:28:19,771 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 10:28:19,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 10:28:19,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 10:28:19,789 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 10:28:19,792 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 10:28:19,793 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 10:28:19,794 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 10:28:19,795 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 10:28:19,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 10:28:19,795 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 10:28:19,795 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 10:28:19,797 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 10:28:19,797 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 10:28:19,801 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 10:28:19,806 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-18 10:28:19,807 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-18 10:28:19,808 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 10:28:19,808 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 10:28:19,809 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 10:28:19,809 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_DiskPerfDeviceControl_~deviceExtension__Processors~0, ULTIMATE.start_DiskPerfDeviceControl_~i~0) = 1*ULTIMATE.start_DiskPerfDeviceControl_~deviceExtension__Processors~0 - 1*ULTIMATE.start_DiskPerfDeviceControl_~i~0 Supporting invariants [] [2018-11-18 10:28:19,810 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 10:28:19,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:19,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:28:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:19,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:28:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:19,900 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-18 10:28:19,901 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 571 states. Second operand 3 states. [2018-11-18 10:28:19,997 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 571 states.. Second operand 3 states. Result 1124 states and 1640 transitions. Complement of second has 5 states. [2018-11-18 10:28:19,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-18 10:28:19,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 10:28:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1553 transitions. [2018-11-18 10:28:20,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1553 transitions. Stem has 14 letters. Loop has 3 letters. [2018-11-18 10:28:20,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 10:28:20,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1553 transitions. Stem has 17 letters. Loop has 3 letters. [2018-11-18 10:28:20,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 10:28:20,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1553 transitions. Stem has 14 letters. Loop has 6 letters. [2018-11-18 10:28:20,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 10:28:20,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1124 states and 1640 transitions. [2018-11-18 10:28:20,015 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 10:28:20,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1124 states to 0 states and 0 transitions. [2018-11-18 10:28:20,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 10:28:20,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 10:28:20,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 10:28:20,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:28:20,019 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:28:20,019 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:28:20,020 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:28:20,020 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:28:20,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:28:20,020 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 10:28:20,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 10:28:20,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:28:20 BoogieIcfgContainer [2018-11-18 10:28:20,025 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:28:20,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:28:20,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:28:20,026 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:28:20,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:19" (3/4) ... [2018-11-18 10:28:20,029 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 10:28:20,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:28:20,030 INFO L168 Benchmark]: Toolchain (without parser) took 2366.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 956.4 MB in the beginning and 820.3 MB in the end (delta: 136.1 MB). Peak memory consumption was 232.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:20,031 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:28:20,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.23 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 932.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:20,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 932.3 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:20,033 INFO L168 Benchmark]: Boogie Preprocessor took 63.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:20,033 INFO L168 Benchmark]: RCFGBuilder took 1106.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 906.6 MB in the end (delta: 169.6 MB). Peak memory consumption was 169.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:20,034 INFO L168 Benchmark]: BuchiAutomizer took 772.13 ms. Allocated memory is still 1.1 GB. Free memory was 906.6 MB in the beginning and 820.3 MB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:20,034 INFO L168 Benchmark]: Witness Printer took 3.93 ms. Allocated memory is still 1.1 GB. Free memory is still 820.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:28:20,037 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.23 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 932.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 932.3 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1106.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 906.6 MB in the end (delta: 169.6 MB). Peak memory consumption was 169.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 772.13 ms. Allocated memory is still 1.1 GB. Free memory was 906.6 MB in the beginning and 820.3 MB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.93 ms. Allocated memory is still 1.1 GB. Free memory is still 820.3 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function deviceExtension__Processors + -1 * i and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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: 769 SDtfs, 769 SDslu, 42 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax100 hnf90 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 16ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...