./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/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 c23505adeafc05501dae695d01ba5b7f16426196 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:23,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:23,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:23,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:23,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:23,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:23,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:23,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:23,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:23,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:23,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:23,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:23,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:23,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:23,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:23,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:23,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:23,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:23,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:23,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:23,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:23,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:23,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:23,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:23,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:23,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:23,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:23,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:23,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:23,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:23,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:23,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:23,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:23,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:23,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:23,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:23,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:23,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:23,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:23,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:23,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:23,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:54:23,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:23,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:23,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:23,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:23,220 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:23,220 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:54:23,220 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:54:23,220 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:54:23,220 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:54:23,220 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:54:23,221 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:54:23,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:23,221 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:23,221 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:23,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:23,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:23,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:23,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:54:23,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:54:23,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:54:23,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:23,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:23,223 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:54:23,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:23,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:54:23,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:23,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:23,224 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:54:23,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:23,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:23,224 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:54:23,225 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:54:23,225 INFO L138 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_2942c4fc-d687-4918-88a6-42415b20a78b/bin/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 -> c23505adeafc05501dae695d01ba5b7f16426196 [2019-10-22 08:54:23,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:23,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:23,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:23,282 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:23,282 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:23,283 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-10-22 08:54:23,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/uautomizer/data/f804aca24/f187797ab8844ecdb40d59924592564f/FLAG3b5cc0da7 [2019-10-22 08:54:23,807 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:23,808 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-10-22 08:54:23,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/uautomizer/data/f804aca24/f187797ab8844ecdb40d59924592564f/FLAG3b5cc0da7 [2019-10-22 08:54:24,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/uautomizer/data/f804aca24/f187797ab8844ecdb40d59924592564f [2019-10-22 08:54:24,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:24,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:24,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:24,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:24,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:24,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f618134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24, skipping insertion in model container [2019-10-22 08:54:24,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:24,165 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:24,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:24,503 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:24,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:24,607 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:24,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24 WrapperNode [2019-10-22 08:54:24,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:24,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:24,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:24,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:24,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:24,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:24,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:24,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:24,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:24,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:24,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:24,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:24,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/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 [2019-10-22 08:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:24,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:25,109 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,122 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,128 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,132 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,134 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,137 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,141 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,146 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,148 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,150 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,155 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,160 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,161 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,163 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,166 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,170 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,177 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,180 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,183 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,186 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,189 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,191 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,192 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:25,194 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:54:26,056 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume !false; [2019-10-22 08:54:26,057 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume false; [2019-10-22 08:54:26,057 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2019-10-22 08:54:26,057 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume false; [2019-10-22 08:54:26,057 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume !false; [2019-10-22 08:54:26,058 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##490: assume !false; [2019-10-22 08:54:26,058 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume false; [2019-10-22 08:54:26,058 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume !false; [2019-10-22 08:54:26,058 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2019-10-22 08:54:26,058 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2019-10-22 08:54:26,058 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2019-10-22 08:54:26,059 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2019-10-22 08:54:26,059 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2019-10-22 08:54:26,059 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2019-10-22 08:54:26,059 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2019-10-22 08:54:26,059 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2019-10-22 08:54:26,059 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2019-10-22 08:54:26,060 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2019-10-22 08:54:26,060 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2019-10-22 08:54:26,060 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume false; [2019-10-22 08:54:26,060 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2019-10-22 08:54:26,060 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2019-10-22 08:54:26,060 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-10-22 08:54:26,061 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-10-22 08:54:26,061 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume !false; [2019-10-22 08:54:26,061 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume false; [2019-10-22 08:54:26,061 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2019-10-22 08:54:26,061 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2019-10-22 08:54:26,061 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: assume false; [2019-10-22 08:54:26,061 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##181: assume !false; [2019-10-22 08:54:26,062 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2019-10-22 08:54:26,064 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2019-10-22 08:54:26,065 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##137: assume false; [2019-10-22 08:54:26,065 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2019-10-22 08:54:26,065 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2019-10-22 08:54:26,065 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume !false; [2019-10-22 08:54:26,066 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##393: assume false; [2019-10-22 08:54:26,066 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-10-22 08:54:26,066 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume !false; [2019-10-22 08:54:26,066 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-10-22 08:54:26,066 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2019-10-22 08:54:26,066 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2019-10-22 08:54:26,066 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2019-10-22 08:54:26,066 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2019-10-22 08:54:26,067 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2019-10-22 08:54:26,067 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2019-10-22 08:54:26,067 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume !false; [2019-10-22 08:54:26,067 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume false; [2019-10-22 08:54:26,068 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:26,069 INFO L284 CfgBuilder]: Removed 205 assume(true) statements. [2019-10-22 08:54:26,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:26 BoogieIcfgContainer [2019-10-22 08:54:26,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:26,073 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:54:26,073 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:54:26,077 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:54:26,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:26,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:54:24" (1/3) ... [2019-10-22 08:54:26,079 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69782c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:26, skipping insertion in model container [2019-10-22 08:54:26,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:26,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (2/3) ... [2019-10-22 08:54:26,080 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69782c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:26, skipping insertion in model container [2019-10-22 08:54:26,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:26,081 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:26" (3/3) ... [2019-10-22 08:54:26,083 INFO L371 chiAutomizerObserver]: Analyzing ICFG floppy_simpl3.cil-2.c [2019-10-22 08:54:26,136 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:54:26,136 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:54:26,136 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:54:26,137 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:26,137 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:26,138 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:54:26,138 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:26,138 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:54:26,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 379 states. [2019-10-22 08:54:26,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-10-22 08:54:26,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:26,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:26,255 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:26,256 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:26,256 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:54:26,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 379 states. [2019-10-22 08:54:26,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-10-22 08:54:26,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:26,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:26,281 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:26,281 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:26,288 INFO L791 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRYtrue ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; 14#L-1true havoc main_#res;havoc main_#t~nondet85, main_#t~nondet86, main_#t~nondet87, main_#t~nondet88, main_#t~ret89, main_~tmp_ndt_1~0, main_~status~1, main_~irp~1, main_~pirp~0, main_~pirp__IoStatus__Status~0, main_~irp_choice~0, main_~devobj~0, main_~__cil_tmp8~0;havoc main_~status~1;main_~irp~1 := main_#t~nondet85;havoc main_#t~nondet85;havoc main_~pirp~0;havoc main_~pirp__IoStatus__Status~0;main_~irp_choice~0 := main_#t~nondet86;havoc main_#t~nondet86;main_~devobj~0 := main_#t~nondet87;havoc main_#t~nondet87;havoc main_~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;main_~status~1 := 0;main_~pirp~0 := main_~irp~1;~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 24#L87true assume main_~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;main_~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; 328#L718true assume !(0 == main_~irp_choice~0); 331#L718-2true ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 156#L666true assume !(main_~status~1 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet88;havoc main_#t~nondet88; 151#L732true assume 3 == main_~tmp_ndt_1~0; 244#L733true FloppyPnp_#in~DeviceObject, FloppyPnp_#in~Irp := main_~devobj~0, main_~pirp~0;havoc FloppyPnp_#res;havoc FloppyPnp_#t~nondet12, FloppyPnp_#t~nondet13, FloppyPnp_#t~nondet14, FloppyPnp_#t~nondet15, FloppyPnp_#t~nondet16, FloppyPnp_#t~nondet17, FloppyPnp_#t~nondet18, FloppyPnp_#t~nondet19, FloppyPnp_#t~nondet20, FloppyPnp_#t~nondet21, FloppyPnp_#t~nondet22, FloppyPnp_#t~nondet23, FloppyPnp_#t~nondet24, FloppyPnp_#t~nondet25, FloppyPnp_#t~post26, FloppyPnp_#t~ret27, FloppyPnp_#t~post28, FloppyPnp_#t~post29, FloppyPnp_#t~ret30, FloppyPnp_#t~ret31, FloppyPnp_#t~ret32, FloppyPnp_#t~post33, FloppyPnp_#t~post34, FloppyPnp_#t~ret35, FloppyPnp_#t~post36, FloppyPnp_#t~post37, FloppyPnp_#t~ret38, FloppyPnp_#t~ret39, FloppyPnp_#t~ret40, FloppyPnp_#t~post41, FloppyPnp_#t~post42, FloppyPnp_#t~ret43, FloppyPnp_#t~post44, FloppyPnp_#t~post45, FloppyPnp_#t~ret46, FloppyPnp_#t~ret47, FloppyPnp_#t~ret48, FloppyPnp_#t~post49, FloppyPnp_#t~post50, FloppyPnp_#t~post51, FloppyPnp_#t~ret52, FloppyPnp_#t~post53, FloppyPnp_~DeviceObject, FloppyPnp_~Irp, FloppyPnp_~DeviceObject__DeviceExtension~0, FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0, FloppyPnp_~Irp__IoStatus__Information~1, FloppyPnp_~Irp__IoStatus__Status~1, FloppyPnp_~Irp__CurrentLocation~0, FloppyPnp_~disketteExtension__IsRemoved~0, FloppyPnp_~disketteExtension__IsStarted~0, FloppyPnp_~disketteExtension__TargetObject~0, FloppyPnp_~disketteExtension__HoldNewRequests~0, FloppyPnp_~disketteExtension__FloppyThread~0, FloppyPnp_~disketteExtension__InterfaceString__Buffer~0, FloppyPnp_~disketteExtension__InterfaceString~0, FloppyPnp_~disketteExtension__ArcName__Length~0, FloppyPnp_~disketteExtension__ArcName~0, FloppyPnp_~irpSp__MinorFunction~0, FloppyPnp_~IoGetConfigurationInformation__FloppyCount~0, FloppyPnp_~irpSp~0, FloppyPnp_~disketteExtension~0, FloppyPnp_~ntStatus~0, FloppyPnp_~doneEvent~0, FloppyPnp_~irpSp___0~0, FloppyPnp_~nextIrpSp~0, FloppyPnp_~nextIrpSp__Control~0, FloppyPnp_~irpSp___1~0, FloppyPnp_~irpSp__Context~0, FloppyPnp_~irpSp__Control~0, FloppyPnp_~__cil_tmp29~0, FloppyPnp_~__cil_tmp30~0;FloppyPnp_~DeviceObject := FloppyPnp_#in~DeviceObject;FloppyPnp_~Irp := FloppyPnp_#in~Irp;FloppyPnp_~DeviceObject__DeviceExtension~0 := FloppyPnp_#t~nondet12;havoc FloppyPnp_#t~nondet12;FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0 := FloppyPnp_#t~nondet13;havoc FloppyPnp_#t~nondet13;havoc FloppyPnp_~Irp__IoStatus__Information~1;havoc FloppyPnp_~Irp__IoStatus__Status~1;FloppyPnp_~Irp__CurrentLocation~0 := FloppyPnp_#t~nondet14;havoc FloppyPnp_#t~nondet14;FloppyPnp_~disketteExtension__IsRemoved~0 := FloppyPnp_#t~nondet15;havoc FloppyPnp_#t~nondet15;FloppyPnp_~disketteExtension__IsStarted~0 := FloppyPnp_#t~nondet16;havoc FloppyPnp_#t~nondet16;FloppyPnp_~disketteExtension__TargetObject~0 := FloppyPnp_#t~nondet17;havoc FloppyPnp_#t~nondet17;havoc FloppyPnp_~disketteExtension__HoldNewRequests~0;FloppyPnp_~disketteExtension__FloppyThread~0 := FloppyPnp_#t~nondet18;havoc FloppyPnp_#t~nondet18;FloppyPnp_~disketteExtension__InterfaceString__Buffer~0 := FloppyPnp_#t~nondet19;havoc FloppyPnp_#t~nondet19;FloppyPnp_~disketteExtension__InterfaceString~0 := FloppyPnp_#t~nondet20;havoc FloppyPnp_#t~nondet20;FloppyPnp_~disketteExtension__ArcName__Length~0 := FloppyPnp_#t~nondet21;havoc FloppyPnp_#t~nondet21;FloppyPnp_~disketteExtension__ArcName~0 := FloppyPnp_#t~nondet22;havoc FloppyPnp_#t~nondet22;FloppyPnp_~irpSp__MinorFunction~0 := FloppyPnp_#t~nondet23;havoc FloppyPnp_#t~nondet23;FloppyPnp_~IoGetConfigurationInformation__FloppyCount~0 := FloppyPnp_#t~nondet24;havoc FloppyPnp_#t~nondet24;havoc FloppyPnp_~irpSp~0;havoc FloppyPnp_~disketteExtension~0;havoc FloppyPnp_~ntStatus~0;FloppyPnp_~doneEvent~0 := FloppyPnp_#t~nondet25;havoc FloppyPnp_#t~nondet25;havoc FloppyPnp_~irpSp___0~0;havoc FloppyPnp_~nextIrpSp~0;havoc FloppyPnp_~nextIrpSp__Control~0;havoc FloppyPnp_~irpSp___1~0;havoc FloppyPnp_~irpSp__Context~0;havoc FloppyPnp_~irpSp__Control~0;havoc FloppyPnp_~__cil_tmp29~0;havoc FloppyPnp_~__cil_tmp30~0;FloppyPnp_~ntStatus~0 := 0;FloppyPnp_#t~post26 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + FloppyPnp_#t~post26;havoc FloppyPnp_#t~post26; 348#L195true assume 1 == ~PagingReferenceCount~0; 341#L195-2true FloppyPnp_~disketteExtension~0 := FloppyPnp_~DeviceObject__DeviceExtension~0;FloppyPnp_~irpSp~0 := FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0; 362#L200true assume !(0 != FloppyPnp_~disketteExtension__IsRemoved~0); 127#L209true assume 0 == FloppyPnp_~irpSp__MinorFunction~0; 231#L210true FloppyStartDevice_#in~DeviceObject, FloppyStartDevice_#in~Irp := FloppyPnp_~DeviceObject, FloppyPnp_~Irp;havoc FloppyStartDevice_#res;havoc FloppyStartDevice_#t~nondet54, FloppyStartDevice_#t~nondet55, FloppyStartDevice_#t~nondet56, FloppyStartDevice_#t~nondet57, FloppyStartDevice_#t~nondet58, FloppyStartDevice_#t~nondet59, FloppyStartDevice_#t~nondet60, FloppyStartDevice_#t~nondet61, FloppyStartDevice_#t~nondet62, FloppyStartDevice_#t~nondet63, FloppyStartDevice_#t~nondet64, FloppyStartDevice_#t~nondet65, FloppyStartDevice_#t~nondet66, FloppyStartDevice_#t~nondet67, FloppyStartDevice_#t~nondet68, FloppyStartDevice_#t~nondet69, FloppyStartDevice_#t~ret70, FloppyStartDevice_#t~ret71, FloppyStartDevice_#t~ret72, FloppyStartDevice_#t~ret73, FloppyStartDevice_#t~ret74, FloppyStartDevice_#t~post75, FloppyStartDevice_#t~ret76, FloppyStartDevice_#t~ret77, FloppyStartDevice_~DeviceObject, FloppyStartDevice_~Irp, FloppyStartDevice_~DeviceObject__DeviceExtension~1, FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1, FloppyStartDevice_~Irp__IoStatus__Status~2, FloppyStartDevice_~disketteExtension__TargetObject~1, FloppyStartDevice_~disketteExtension__MaxTransferSize~0, FloppyStartDevice_~disketteExtension__DriveType~0, FloppyStartDevice_~disketteExtension__PerpendicularMode~0, FloppyStartDevice_~disketteExtension__DeviceUnit~0, FloppyStartDevice_~disketteExtension__DriveOnValue~0, FloppyStartDevice_~disketteExtension__UnderlyingPDO~0, FloppyStartDevice_~disketteExtension__InterfaceString~1, FloppyStartDevice_~disketteExtension__IsStarted~1, FloppyStartDevice_~disketteExtension__HoldNewRequests~1, FloppyStartDevice_~ntStatus~1, FloppyStartDevice_~pnpStatus~0, FloppyStartDevice_~doneEvent~1, FloppyStartDevice_~fdcInfo~0, FloppyStartDevice_~fdcInfo__BufferCount~0, FloppyStartDevice_~fdcInfo__BufferSize~0, FloppyStartDevice_~fdcInfo__MaxTransferSize~0, FloppyStartDevice_~fdcInfo__AcpiBios~0, FloppyStartDevice_~fdcInfo__AcpiFdiSupported~0, FloppyStartDevice_~fdcInfo__PeripheralNumber~0, FloppyStartDevice_~fdcInfo__BusType~0, FloppyStartDevice_~fdcInfo__ControllerNumber~0, FloppyStartDevice_~fdcInfo__UnitNumber~0, FloppyStartDevice_~fdcInfo__BusNumber~0, FloppyStartDevice_~Dc~0, FloppyStartDevice_~Fp~0, FloppyStartDevice_~disketteExtension~1, FloppyStartDevice_~irpSp~1, FloppyStartDevice_~irpSp___0~1, FloppyStartDevice_~nextIrpSp~1, FloppyStartDevice_~nextIrpSp__Control~1, FloppyStartDevice_~irpSp___1~1, FloppyStartDevice_~irpSp__Control~1, FloppyStartDevice_~irpSp__Context~1, FloppyStartDevice_~InterfaceType~0, FloppyStartDevice_~KUSER_SHARED_DATA__AlternativeArchitecture_NEC98x86~0, FloppyStartDevice_~__cil_tmp42~0, FloppyStartDevice_~__cil_tmp43~0, FloppyStartDevice_~__cil_tmp44~0, FloppyStartDevice_~__cil_tmp45~0, FloppyStartDevice_~__cil_tmp46~0, FloppyStartDevice_~__cil_tmp47~0, FloppyStartDevice_~__cil_tmp48~0, FloppyStartDevice_~__cil_tmp49~0;FloppyStartDevice_~DeviceObject := FloppyStartDevice_#in~DeviceObject;FloppyStartDevice_~Irp := FloppyStartDevice_#in~Irp;FloppyStartDevice_~DeviceObject__DeviceExtension~1 := FloppyStartDevice_#t~nondet54;havoc FloppyStartDevice_#t~nondet54;FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 := FloppyStartDevice_#t~nondet55;havoc FloppyStartDevice_#t~nondet55;havoc FloppyStartDevice_~Irp__IoStatus__Status~2;FloppyStartDevice_~disketteExtension__TargetObject~1 := FloppyStartDevice_#t~nondet56;havoc FloppyStartDevice_#t~nondet56;havoc FloppyStartDevice_~disketteExtension__MaxTransferSize~0;FloppyStartDevice_~disketteExtension__DriveType~0 := FloppyStartDevice_#t~nondet57;havoc FloppyStartDevice_#t~nondet57;havoc FloppyStartDevice_~disketteExtension__PerpendicularMode~0;havoc FloppyStartDevice_~disketteExtension__DeviceUnit~0;havoc FloppyStartDevice_~disketteExtension__DriveOnValue~0;FloppyStartDevice_~disketteExtension__UnderlyingPDO~0 := FloppyStartDevice_#t~nondet58;havoc FloppyStartDevice_#t~nondet58;FloppyStartDevice_~disketteExtension__InterfaceString~1 := FloppyStartDevice_#t~nondet59;havoc FloppyStartDevice_#t~nondet59;havoc FloppyStartDevice_~disketteExtension__IsStarted~1;havoc FloppyStartDevice_~disketteExtension__HoldNewRequests~1;havoc FloppyStartDevice_~ntStatus~1;havoc FloppyStartDevice_~pnpStatus~0;FloppyStartDevice_~doneEvent~1 := FloppyStartDevice_#t~nondet60;havoc FloppyStartDevice_#t~nondet60;FloppyStartDevice_~fdcInfo~0 := FloppyStartDevice_#t~nondet61;havoc FloppyStartDevice_#t~nondet61;havoc FloppyStartDevice_~fdcInfo__BufferCount~0;havoc FloppyStartDevice_~fdcInfo__BufferSize~0;FloppyStartDevice_~fdcInfo__MaxTransferSize~0 := FloppyStartDevice_#t~nondet62;havoc FloppyStartDevice_#t~nondet62;FloppyStartDevice_~fdcInfo__AcpiBios~0 := FloppyStartDevice_#t~nondet63;havoc FloppyStartDevice_#t~nondet63;FloppyStartDevice_~fdcInfo__AcpiFdiSupported~0 := FloppyStartDevice_#t~nondet64;havoc FloppyStartDevice_#t~nondet64;FloppyStartDevice_~fdcInfo__PeripheralNumber~0 := FloppyStartDevice_#t~nondet65;havoc FloppyStartDevice_#t~nondet65;havoc FloppyStartDevice_~fdcInfo__BusType~0;FloppyStartDevice_~fdcInfo__ControllerNumber~0 := FloppyStartDevice_#t~nondet66;havoc FloppyStartDevice_#t~nondet66;FloppyStartDevice_~fdcInfo__UnitNumber~0 := FloppyStartDevice_#t~nondet67;havoc FloppyStartDevice_#t~nondet67;FloppyStartDevice_~fdcInfo__BusNumber~0 := FloppyStartDevice_#t~nondet68;havoc FloppyStartDevice_#t~nondet68;havoc FloppyStartDevice_~Dc~0;havoc FloppyStartDevice_~Fp~0;havoc FloppyStartDevice_~disketteExtension~1;havoc FloppyStartDevice_~irpSp~1;havoc FloppyStartDevice_~irpSp___0~1;havoc FloppyStartDevice_~nextIrpSp~1;havoc FloppyStartDevice_~nextIrpSp__Control~1;havoc FloppyStartDevice_~irpSp___1~1;havoc FloppyStartDevice_~irpSp__Control~1;havoc FloppyStartDevice_~irpSp__Context~1;havoc FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~KUSER_SHARED_DATA__AlternativeArchitecture_NEC98x86~0 := FloppyStartDevice_#t~nondet69;havoc FloppyStartDevice_#t~nondet69;havoc FloppyStartDevice_~__cil_tmp42~0;havoc FloppyStartDevice_~__cil_tmp43~0;havoc FloppyStartDevice_~__cil_tmp44~0;havoc FloppyStartDevice_~__cil_tmp45~0;havoc FloppyStartDevice_~__cil_tmp46~0;havoc FloppyStartDevice_~__cil_tmp47~0;havoc FloppyStartDevice_~__cil_tmp48~0;havoc FloppyStartDevice_~__cil_tmp49~0;FloppyStartDevice_~Dc~0 := ~DiskController~0;FloppyStartDevice_~Fp~0 := ~FloppyDiskPeripheral~0;FloppyStartDevice_~disketteExtension~1 := FloppyStartDevice_~DeviceObject__DeviceExtension~1;FloppyStartDevice_~irpSp~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1;FloppyStartDevice_~irpSp___0~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1;FloppyStartDevice_~nextIrpSp~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 - 1;FloppyStartDevice_~nextIrpSp__Control~1 := 0; 279#L493true assume !(~s~0 != ~NP~0); 319#L498true assume !(0 != ~compRegistered~0);~compRegistered~0 := 1; 323#L498-1true FloppyStartDevice_~irpSp___1~1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 - 1;FloppyStartDevice_~irpSp__Context~1 := FloppyStartDevice_~doneEvent~1;FloppyStartDevice_~irpSp__Control~1 := 224;IofCallDriver_#in~DeviceObject, IofCallDriver_#in~Irp := FloppyStartDevice_~disketteExtension__TargetObject~1, FloppyStartDevice_~Irp;havoc IofCallDriver_#res;havoc IofCallDriver_#t~nondet96, IofCallDriver_#t~ret97, IofCallDriver_#t~nondet98, IofCallDriver_#t~nondet99, IofCallDriver_~tmp_ndt_8~0, IofCallDriver_~tmp_ndt_7~0, IofCallDriver_~DeviceObject, IofCallDriver_~Irp, IofCallDriver_~returnVal2~0, IofCallDriver_~compRetStatus1~0, IofCallDriver_~lcontext~0, IofCallDriver_~__cil_tmp7~0;IofCallDriver_~DeviceObject := IofCallDriver_#in~DeviceObject;IofCallDriver_~Irp := IofCallDriver_#in~Irp;havoc IofCallDriver_~returnVal2~0;havoc IofCallDriver_~compRetStatus1~0;IofCallDriver_~lcontext~0 := IofCallDriver_#t~nondet96;havoc IofCallDriver_#t~nondet96;havoc IofCallDriver_~__cil_tmp7~0; 208#L943true assume !(0 != ~compRegistered~0); 189#L943-1true havoc IofCallDriver_~tmp_ndt_7~0;IofCallDriver_~tmp_ndt_7~0 := IofCallDriver_#t~nondet98;havoc IofCallDriver_#t~nondet98; 109#L958true assume 0 == IofCallDriver_~tmp_ndt_7~0; 237#L959true IofCallDriver_~returnVal2~0 := 0; 72#L978true assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0; 174#L65-4true IofCallDriver_#res := IofCallDriver_~returnVal2~0; 280#L1005true FloppyStartDevice_#t~ret70 := IofCallDriver_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret70;havoc FloppyStartDevice_#t~ret70;FloppyStartDevice_~__cil_tmp42~0 := FloppyStartDevice_~ntStatus~1; 358#L514true assume !(259 == FloppyStartDevice_~__cil_tmp42~0); 365#L514-2true FloppyStartDevice_~fdcInfo__BufferCount~0 := 0;FloppyStartDevice_~fdcInfo__BufferSize~0 := 0;FloppyStartDevice_~__cil_tmp43~0 := 3080;FloppyStartDevice_~__cil_tmp44~0 := 458752;FloppyStartDevice_~__cil_tmp45~0 := 461832;FloppyStartDevice_~__cil_tmp46~0 := 461835;FlFdcDeviceIo_#in~DeviceObject, FlFdcDeviceIo_#in~Ioctl, FlFdcDeviceIo_#in~Data := FloppyStartDevice_~disketteExtension__TargetObject~1, FloppyStartDevice_~__cil_tmp46~0, FloppyStartDevice_~fdcInfo~0;havoc FlFdcDeviceIo_#res;havoc FlFdcDeviceIo_#t~nondet79, FlFdcDeviceIo_#t~nondet80, FlFdcDeviceIo_#t~nondet81, FlFdcDeviceIo_#t~ret82, FlFdcDeviceIo_#t~ret83, FlFdcDeviceIo_#t~ret84, FlFdcDeviceIo_~DeviceObject, FlFdcDeviceIo_~Ioctl, FlFdcDeviceIo_~Data, FlFdcDeviceIo_~ntStatus~2, FlFdcDeviceIo_~irp~0, FlFdcDeviceIo_~irpStack~0, FlFdcDeviceIo_~doneEvent~2, FlFdcDeviceIo_~ioStatus~0, FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0, FlFdcDeviceIo_~irpStack__Parameters__DeviceIoControl__Type3InputBuffer~0, FlFdcDeviceIo_~__cil_tmp11~0;FlFdcDeviceIo_~DeviceObject := FlFdcDeviceIo_#in~DeviceObject;FlFdcDeviceIo_~Ioctl := FlFdcDeviceIo_#in~Ioctl;FlFdcDeviceIo_~Data := FlFdcDeviceIo_#in~Data;havoc FlFdcDeviceIo_~ntStatus~2;havoc FlFdcDeviceIo_~irp~0;havoc FlFdcDeviceIo_~irpStack~0;FlFdcDeviceIo_~doneEvent~2 := FlFdcDeviceIo_#t~nondet79;havoc FlFdcDeviceIo_#t~nondet79;FlFdcDeviceIo_~ioStatus~0 := FlFdcDeviceIo_#t~nondet80;havoc FlFdcDeviceIo_#t~nondet80;FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0 := FlFdcDeviceIo_#t~nondet81;havoc FlFdcDeviceIo_#t~nondet81;havoc FlFdcDeviceIo_~irpStack__Parameters__DeviceIoControl__Type3InputBuffer~0;havoc FlFdcDeviceIo_~__cil_tmp11~0;IoBuildDeviceIoControlRequest_#in~IoControlCode, IoBuildDeviceIoControlRequest_#in~DeviceObject, IoBuildDeviceIoControlRequest_#in~InputBuffer, IoBuildDeviceIoControlRequest_#in~InputBufferLength, IoBuildDeviceIoControlRequest_#in~OutputBuffer, IoBuildDeviceIoControlRequest_#in~OutputBufferLength, IoBuildDeviceIoControlRequest_#in~InternalDeviceIoControl, IoBuildDeviceIoControlRequest_#in~Event, IoBuildDeviceIoControlRequest_#in~IoStatusBlock := FlFdcDeviceIo_~Ioctl, FlFdcDeviceIo_~DeviceObject, 0, 0, 0, 0, 1, FlFdcDeviceIo_~doneEvent~2, FlFdcDeviceIo_~ioStatus~0;havoc IoBuildDeviceIoControlRequest_#res;havoc IoBuildDeviceIoControlRequest_#t~nondet90, IoBuildDeviceIoControlRequest_#t~nondet91, IoBuildDeviceIoControlRequest_~tmp_ndt_2~0, IoBuildDeviceIoControlRequest_~IoControlCode, IoBuildDeviceIoControlRequest_~DeviceObject, IoBuildDeviceIoControlRequest_~InputBuffer, IoBuildDeviceIoControlRequest_~InputBufferLength, IoBuildDeviceIoControlRequest_~OutputBuffer, IoBuildDeviceIoControlRequest_~OutputBufferLength, IoBuildDeviceIoControlRequest_~InternalDeviceIoControl, IoBuildDeviceIoControlRequest_~Event, IoBuildDeviceIoControlRequest_~IoStatusBlock, IoBuildDeviceIoControlRequest_~malloc~0;IoBuildDeviceIoControlRequest_~IoControlCode := IoBuildDeviceIoControlRequest_#in~IoControlCode;IoBuildDeviceIoControlRequest_~DeviceObject := IoBuildDeviceIoControlRequest_#in~DeviceObject;IoBuildDeviceIoControlRequest_~InputBuffer := IoBuildDeviceIoControlRequest_#in~InputBuffer;IoBuildDeviceIoControlRequest_~InputBufferLength := IoBuildDeviceIoControlRequest_#in~InputBufferLength;IoBuildDeviceIoControlRequest_~OutputBuffer := IoBuildDeviceIoControlRequest_#in~OutputBuffer;IoBuildDeviceIoControlRequest_~OutputBufferLength := IoBuildDeviceIoControlRequest_#in~OutputBufferLength;IoBuildDeviceIoControlRequest_~InternalDeviceIoControl := IoBuildDeviceIoControlRequest_#in~InternalDeviceIoControl;IoBuildDeviceIoControlRequest_~Event := IoBuildDeviceIoControlRequest_#in~Event;IoBuildDeviceIoControlRequest_~IoStatusBlock := IoBuildDeviceIoControlRequest_#in~IoStatusBlock;IoBuildDeviceIoControlRequest_~malloc~0 := IoBuildDeviceIoControlRequest_#t~nondet90;havoc IoBuildDeviceIoControlRequest_#t~nondet90;~customIrp~0 := 1;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_2~0;IoBuildDeviceIoControlRequest_~tmp_ndt_2~0 := IoBuildDeviceIoControlRequest_#t~nondet91;havoc IoBuildDeviceIoControlRequest_#t~nondet91; 17#L819true assume 0 == IoBuildDeviceIoControlRequest_~tmp_ndt_2~0; 143#L820true IoBuildDeviceIoControlRequest_#res := IoBuildDeviceIoControlRequest_~malloc~0; 144#L809true FlFdcDeviceIo_#t~ret82 := IoBuildDeviceIoControlRequest_#res;FlFdcDeviceIo_~irp~0 := FlFdcDeviceIo_#t~ret82;havoc FlFdcDeviceIo_#t~ret82; 213#L629true assume 0 == FlFdcDeviceIo_~irp~0;FlFdcDeviceIo_#res := -1073741670; 376#L646true FloppyStartDevice_#t~ret72 := FlFdcDeviceIo_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret72;havoc FloppyStartDevice_#t~ret72; 203#L530true assume FloppyStartDevice_~ntStatus~1 >= 0;FloppyStartDevice_~disketteExtension__MaxTransferSize~0 := FloppyStartDevice_~fdcInfo__MaxTransferSize~0; 68#L532true assume !(0 != FloppyStartDevice_~fdcInfo__AcpiBios~0); 133#L545true assume 4 == FloppyStartDevice_~disketteExtension__DriveType~0; 233#L546-1true FloppyStartDevice_~InterfaceType~0 := 0; 206#L552-2true [2019-10-22 08:54:26,290 INFO L793 eck$LassoCheckResult]: Loop: 206#L552-2true assume !false; 315#L553true assume !(FloppyStartDevice_~InterfaceType~0 >= ~MaximumInterfaceType~0);FloppyStartDevice_~fdcInfo__BusType~0 := FloppyStartDevice_~InterfaceType~0;IoQueryDeviceDescription_#in~BusType, IoQueryDeviceDescription_#in~BusNumber, IoQueryDeviceDescription_#in~ControllerType, IoQueryDeviceDescription_#in~ControllerNumber, IoQueryDeviceDescription_#in~PeripheralType, IoQueryDeviceDescription_#in~PeripheralNumber, IoQueryDeviceDescription_#in~CalloutRoutine, IoQueryDeviceDescription_#in~Context := FloppyStartDevice_~fdcInfo__BusType~0, FloppyStartDevice_~fdcInfo__BusNumber~0, FloppyStartDevice_~Dc~0, FloppyStartDevice_~fdcInfo__ControllerNumber~0, FloppyStartDevice_~Fp~0, FloppyStartDevice_~fdcInfo__PeripheralNumber~0, ~FlConfigCallBack~0, FloppyStartDevice_~disketteExtension~1;havoc IoQueryDeviceDescription_#res;havoc IoQueryDeviceDescription_#t~nondet93, IoQueryDeviceDescription_~tmp_ndt_4~0, IoQueryDeviceDescription_~BusType, IoQueryDeviceDescription_~BusNumber, IoQueryDeviceDescription_~ControllerType, IoQueryDeviceDescription_~ControllerNumber, IoQueryDeviceDescription_~PeripheralType, IoQueryDeviceDescription_~PeripheralNumber, IoQueryDeviceDescription_~CalloutRoutine, IoQueryDeviceDescription_~Context;IoQueryDeviceDescription_~BusType := IoQueryDeviceDescription_#in~BusType;IoQueryDeviceDescription_~BusNumber := IoQueryDeviceDescription_#in~BusNumber;IoQueryDeviceDescription_~ControllerType := IoQueryDeviceDescription_#in~ControllerType;IoQueryDeviceDescription_~ControllerNumber := IoQueryDeviceDescription_#in~ControllerNumber;IoQueryDeviceDescription_~PeripheralType := IoQueryDeviceDescription_#in~PeripheralType;IoQueryDeviceDescription_~PeripheralNumber := IoQueryDeviceDescription_#in~PeripheralNumber;IoQueryDeviceDescription_~CalloutRoutine := IoQueryDeviceDescription_#in~CalloutRoutine;IoQueryDeviceDescription_~Context := IoQueryDeviceDescription_#in~Context;havoc IoQueryDeviceDescription_~tmp_ndt_4~0;IoQueryDeviceDescription_~tmp_ndt_4~0 := IoQueryDeviceDescription_#t~nondet93;havoc IoQueryDeviceDescription_#t~nondet93; 46#L863true assume !(0 == IoQueryDeviceDescription_~tmp_ndt_4~0); 193#L866true IoQueryDeviceDescription_#res := -1073741823; 194#L855true FloppyStartDevice_#t~ret74 := IoQueryDeviceDescription_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret74;havoc FloppyStartDevice_#t~ret74; 313#L564true assume !(FloppyStartDevice_~ntStatus~1 >= 0);FloppyStartDevice_#t~post75 := FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~InterfaceType~0 := 1 + FloppyStartDevice_#t~post75;havoc FloppyStartDevice_#t~post75; 206#L552-2true [2019-10-22 08:54:26,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:26,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1465779028, now seen corresponding path program 1 times [2019-10-22 08:54:26,317 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:26,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97838678] [2019-10-22 08:54:26,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:26,318 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:26,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:26,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97838678] [2019-10-22 08:54:26,588 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:26,588 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:26,588 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624655593] [2019-10-22 08:54:26,597 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:54:26,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:26,599 INFO L82 PathProgramCache]: Analyzing trace with hash 196870513, now seen corresponding path program 1 times [2019-10-22 08:54:26,599 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:26,599 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997936416] [2019-10-22 08:54:26,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:26,600 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:26,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:26,677 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:26,834 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-10-22 08:54:26,919 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:54:26,920 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:54:26,921 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:54:26,921 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:54:26,921 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:54:26,922 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:26,922 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:54:26,922 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:54:26,922 INFO L131 ssoRankerPreferences]: Filename of dumped script: floppy_simpl3.cil-2.c_Iteration1_Loop [2019-10-22 08:54:26,922 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:54:26,923 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:54:26,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:26,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:26,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:26,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:26,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,278 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:54:27,280 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/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 [2019-10-22 08:54:27,291 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:54:27,291 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:54:27,302 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:54:27,303 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_IoQueryDeviceDescription_#in~BusNumber=0, ULTIMATE.start_IoQueryDeviceDescription_~BusNumber=0, ULTIMATE.start_FloppyStartDevice_~fdcInfo__BusNumber~0=0} Honda state: {ULTIMATE.start_IoQueryDeviceDescription_#in~BusNumber=0, ULTIMATE.start_IoQueryDeviceDescription_~BusNumber=0, ULTIMATE.start_FloppyStartDevice_~fdcInfo__BusNumber~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/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 [2019-10-22 08:54:27,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:54:27,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:54:27,327 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:54:27,327 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_IoQueryDeviceDescription_#t~nondet93=0} Honda state: {ULTIMATE.start_IoQueryDeviceDescription_#t~nondet93=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/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 [2019-10-22 08:54:27,454 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:54:27,455 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2942c4fc-d687-4918-88a6-42415b20a78b/bin/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 [2019-10-22 08:54:27,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:54:27,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:54:27,973 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:54:27,976 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:54:27,976 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:54:27,976 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:54:27,976 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:54:27,976 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:54:27,976 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:27,977 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:54:27,977 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:54:27,977 INFO L131 ssoRankerPreferences]: Filename of dumped script: floppy_simpl3.cil-2.c_Iteration1_Loop [2019-10-22 08:54:27,977 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:54:27,977 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:54:27,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:27,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:28,327 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:54:28,334 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:54:28,336 INFO L120 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 [2019-10-22 08:54:28,339 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:54:28,341 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:54:28,342 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:54:28,342 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:54:28,342 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:54:28,344 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:54:28,344 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:54:28,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:54:28,353 INFO L120 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 [2019-10-22 08:54:28,353 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:54:28,353 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:54:28,354 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:54:28,354 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:54:28,355 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:54:28,355 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:54:28,356 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:54:28,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:54:28,359 INFO L120 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 [2019-10-22 08:54:28,361 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:54:28,361 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:54:28,361 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:54:28,361 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:54:28,362 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:54:28,362 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:54:28,363 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:54:28,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:54:28,371 INFO L120 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 [2019-10-22 08:54:28,372 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:54:28,377 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:54:28,377 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:54:28,378 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:54:28,378 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:54:28,379 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:54:28,379 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:54:28,393 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:54:28,407 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:54:28,414 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:54:28,416 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:54:28,416 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:54:28,416 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:54:28,417 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_FloppyStartDevice_~InterfaceType~0, ~MaximumInterfaceType~0) = -1*ULTIMATE.start_FloppyStartDevice_~InterfaceType~0 + 1*~MaximumInterfaceType~0 Supporting invariants [] [2019-10-22 08:54:28,421 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:54:28,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:28,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:54:28,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:28,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:54:28,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:28,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:28,610 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 08:54:28,611 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 379 states. Second operand 4 states. [2019-10-22 08:54:28,760 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 379 states.. Second operand 4 states. Result 895 states and 1300 transitions. Complement of second has 7 states. [2019-10-22 08:54:28,761 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 [2019-10-22 08:54:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:54:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1143 transitions. [2019-10-22 08:54:28,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1143 transitions. Stem has 34 letters. Loop has 6 letters. [2019-10-22 08:54:28,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:28,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1143 transitions. Stem has 40 letters. Loop has 6 letters. [2019-10-22 08:54:28,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:28,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1143 transitions. Stem has 34 letters. Loop has 12 letters. [2019-10-22 08:54:28,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:28,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 895 states and 1300 transitions. [2019-10-22 08:54:28,784 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:54:28,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 895 states to 0 states and 0 transitions. [2019-10-22 08:54:28,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:54:28,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:54:28,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:54:28,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:54:28,796 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:28,796 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:28,796 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:28,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:28,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:28,804 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-10-22 08:54:28,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:28,808 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 08:54:28,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:54:28,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 08:54:28,809 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:54:28,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:54:28,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:54:28,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:54:28,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:54:28,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:54:28,811 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:28,812 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:28,812 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:28,812 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:54:28,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:28,812 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:54:28,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:54:28,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:54:28 BoogieIcfgContainer [2019-10-22 08:54:28,820 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:54:28,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:28,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:28,823 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:28,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:26" (3/4) ... [2019-10-22 08:54:28,827 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:54:28,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:28,830 INFO L168 Benchmark]: Toolchain (without parser) took 4722.05 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 241.2 MB). Free memory was 943.2 MB in the beginning and 1.2 GB in the end (delta: -215.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:28,832 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:28,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:28,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.75 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:28,836 INFO L168 Benchmark]: Boogie Preprocessor took 120.37 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:28,837 INFO L168 Benchmark]: RCFGBuilder took 1254.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 129.0 MB). Peak memory consumption was 129.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:28,837 INFO L168 Benchmark]: BuchiAutomizer took 2747.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.3 MB). Free memory was 998.9 MB in the beginning and 1.2 GB in the end (delta: -159.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:28,837 INFO L168 Benchmark]: Witness Printer took 8.24 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:28,841 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 499.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.75 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.37 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1254.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 129.0 MB). Peak memory consumption was 129.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2747.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.3 MB). Free memory was 998.9 MB in the beginning and 1.2 GB in the end (delta: -159.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 8.24 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * InterfaceType + MaximumInterfaceType and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 634 SDtfs, 634 SDslu, 185 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital72 mio100 ax100 hnf101 lsp26 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq194 hnf89 smp100 dnf100 smp100 tf106 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...