./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/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 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:54:22,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:54:22,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:54:22,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:54:22,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:54:22,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:54:22,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:54:22,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:54:22,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:54:22,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:54:22,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:54:22,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:54:22,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:54:22,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:54:22,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:54:22,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:54:22,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:54:22,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:54:22,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:54:22,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:54:22,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:54:22,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:54:22,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:54:22,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:54:22,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:54:22,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:54:22,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:54:22,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:54:22,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:54:22,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:54:22,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:54:22,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:54:22,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:54:22,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:54:22,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:54:22,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:54:22,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:54:22,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:54:22,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:54:22,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:54:22,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:54:22,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 01:54:22,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:54:22,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:54:22,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:54:22,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:54:22,803 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:54:22,804 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:54:22,804 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:54:22,804 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:54:22,804 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:54:22,804 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:54:22,804 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:54:22,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:54:22,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:54:22,805 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:54:22,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:54:22,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:54:22,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:54:22,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:54:22,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:54:22,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:54:22,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:54:22,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:54:22,807 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:54:22,807 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:54:22,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:54:22,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:54:22,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:54:22,807 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:54:22,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:54:22,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:54:22,808 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:54:22,809 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:54:22,809 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/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/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 -> 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f [2019-11-20 01:54:22,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:54:22,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:54:22,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:54:22,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:54:22,971 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:54:22,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-20 01:54:23,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/data/a78bcc075/e463bd8c7c284c74a44a55d8e356d6ba/FLAGd1ba66da3 [2019-11-20 01:54:23,418 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:54:23,419 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-20 01:54:23,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/data/a78bcc075/e463bd8c7c284c74a44a55d8e356d6ba/FLAGd1ba66da3 [2019-11-20 01:54:23,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/data/a78bcc075/e463bd8c7c284c74a44a55d8e356d6ba [2019-11-20 01:54:23,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:54:23,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:54:23,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:54:23,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:54:23,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:54:23,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:54:23" (1/1) ... [2019-11-20 01:54:23,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22216510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:23, skipping insertion in model container [2019-11-20 01:54:23,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:54:23" (1/1) ... [2019-11-20 01:54:23,767 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:54:23,832 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:54:24,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:54:24,259 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:54:24,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:54:24,394 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:54:24,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24 WrapperNode [2019-11-20 01:54:24,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:54:24,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:54:24,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:54:24,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:54:24,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (1/1) ... [2019-11-20 01:54:24,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (1/1) ... [2019-11-20 01:54:24,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:54:24,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:54:24,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:54:24,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:54:24,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (1/1) ... [2019-11-20 01:54:24,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (1/1) ... [2019-11-20 01:54:24,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (1/1) ... [2019-11-20 01:54:24,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (1/1) ... [2019-11-20 01:54:24,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (1/1) ... [2019-11-20 01:54:24,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (1/1) ... [2019-11-20 01:54:24,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (1/1) ... [2019-11-20 01:54:24,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:54:24,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:54:24,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:54:24,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:54:24,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/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 [2019-11-20 01:54:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:54:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:54:24,982 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:24,987 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:24,996 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,017 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,019 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,022 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,026 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,029 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,031 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,034 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,037 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,048 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,050 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,050 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,056 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,058 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,072 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,075 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,079 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,083 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,088 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,090 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,091 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,093 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:54:25,985 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume !false; [2019-11-20 01:54:25,985 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume false; [2019-11-20 01:54:25,985 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2019-11-20 01:54:25,985 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume false; [2019-11-20 01:54:25,986 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume !false; [2019-11-20 01:54:25,986 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##490: assume !false; [2019-11-20 01:54:25,986 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume false; [2019-11-20 01:54:25,986 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume !false; [2019-11-20 01:54:25,986 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2019-11-20 01:54:25,986 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2019-11-20 01:54:25,986 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2019-11-20 01:54:25,987 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2019-11-20 01:54:25,987 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2019-11-20 01:54:25,987 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2019-11-20 01:54:25,987 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2019-11-20 01:54:25,987 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2019-11-20 01:54:25,987 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2019-11-20 01:54:25,987 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2019-11-20 01:54:25,988 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2019-11-20 01:54:25,988 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume false; [2019-11-20 01:54:25,988 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2019-11-20 01:54:25,988 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2019-11-20 01:54:25,988 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-11-20 01:54:25,988 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-11-20 01:54:25,988 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume !false; [2019-11-20 01:54:25,989 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume false; [2019-11-20 01:54:25,989 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2019-11-20 01:54:25,989 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2019-11-20 01:54:25,989 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: assume false; [2019-11-20 01:54:25,989 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##181: assume !false; [2019-11-20 01:54:25,989 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2019-11-20 01:54:25,991 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2019-11-20 01:54:25,992 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##137: assume false; [2019-11-20 01:54:25,992 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2019-11-20 01:54:25,992 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2019-11-20 01:54:25,992 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume !false; [2019-11-20 01:54:25,993 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##393: assume false; [2019-11-20 01:54:25,993 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-11-20 01:54:25,993 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume !false; [2019-11-20 01:54:25,993 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-11-20 01:54:25,994 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2019-11-20 01:54:25,994 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2019-11-20 01:54:25,994 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2019-11-20 01:54:25,994 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2019-11-20 01:54:25,994 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2019-11-20 01:54:25,995 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2019-11-20 01:54:25,995 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume !false; [2019-11-20 01:54:25,995 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume false; [2019-11-20 01:54:25,996 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:54:25,996 INFO L285 CfgBuilder]: Removed 205 assume(true) statements. [2019-11-20 01:54:25,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:25 BoogieIcfgContainer [2019-11-20 01:54:25,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:54:25,998 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:54:25,999 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:54:26,002 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:54:26,002 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:54:26,002 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:54:23" (1/3) ... [2019-11-20 01:54:26,004 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7151d535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:54:26, skipping insertion in model container [2019-11-20 01:54:26,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:54:26,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:54:24" (2/3) ... [2019-11-20 01:54:26,004 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7151d535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:54:26, skipping insertion in model container [2019-11-20 01:54:26,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:54:26,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:25" (3/3) ... [2019-11-20 01:54:26,006 INFO L371 chiAutomizerObserver]: Analyzing ICFG floppy_simpl3.cil-2.c [2019-11-20 01:54:26,047 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:54:26,048 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:54:26,048 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:54:26,048 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:54:26,048 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:54:26,048 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:54:26,049 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:54:26,049 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:54:26,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 379 states. [2019-11-20 01:54:26,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 01:54:26,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:54:26,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:54:26,172 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] [2019-11-20 01:54:26,172 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:54:26,172 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:54:26,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 379 states. [2019-11-20 01:54:26,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 01:54:26,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:54:26,186 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:54:26,188 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] [2019-11-20 01:54:26,188 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:54:26,203 INFO L794 eck$LassoCheckResult]: Stem: 130#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; 19#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; 87#L86true 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; 224#L717true assume !(0 == main_~irp_choice~0); 227#L717-2true ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 3#L665true assume !(main_~status~1 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet88;havoc main_#t~nondet88; 30#L731true assume 3 == main_~tmp_ndt_1~0; 136#L732true 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; 241#L194true assume 1 == ~PagingReferenceCount~0; 234#L194-2true FloppyPnp_~disketteExtension~0 := FloppyPnp_~DeviceObject__DeviceExtension~0;FloppyPnp_~irpSp~0 := FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0; 257#L199true assume !(0 != FloppyPnp_~disketteExtension__IsRemoved~0); 4#L208true assume 0 == FloppyPnp_~irpSp__MinorFunction~0; 120#L209true 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; 367#L492true assume !(~s~0 != ~NP~0); 217#L497true assume !(0 != ~compRegistered~0);~compRegistered~0 := 1; 219#L497-1true 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; 279#L942true assume !(0 != ~compRegistered~0); 281#L942-1true havoc IofCallDriver_~tmp_ndt_7~0;IofCallDriver_~tmp_ndt_7~0 := IofCallDriver_#t~nondet98;havoc IofCallDriver_#t~nondet98; 183#L957true assume 0 == IofCallDriver_~tmp_ndt_7~0; 106#L958true IofCallDriver_~returnVal2~0 := 0; 336#L977true assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0; 50#L64-4true IofCallDriver_#res := IofCallDriver_~returnVal2~0; 368#L1004true FloppyStartDevice_#t~ret70 := IofCallDriver_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret70;havoc FloppyStartDevice_#t~ret70;FloppyStartDevice_~__cil_tmp42~0 := FloppyStartDevice_~ntStatus~1; 259#L513true assume !(259 == FloppyStartDevice_~__cil_tmp42~0); 266#L513-2true 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; 88#L818true assume 0 == IoBuildDeviceIoControlRequest_~tmp_ndt_2~0; 22#L819true IoBuildDeviceIoControlRequest_#res := IoBuildDeviceIoControlRequest_~malloc~0; 23#L808true FlFdcDeviceIo_#t~ret82 := IoBuildDeviceIoControlRequest_#res;FlFdcDeviceIo_~irp~0 := FlFdcDeviceIo_#t~ret82;havoc FlFdcDeviceIo_#t~ret82; 291#L628true assume 0 == FlFdcDeviceIo_~irp~0;FlFdcDeviceIo_#res := -1073741670; 278#L645true FloppyStartDevice_#t~ret72 := FlFdcDeviceIo_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret72;havoc FloppyStartDevice_#t~ret72; 293#L529true assume FloppyStartDevice_~ntStatus~1 >= 0;FloppyStartDevice_~disketteExtension__MaxTransferSize~0 := FloppyStartDevice_~fdcInfo__MaxTransferSize~0; 333#L531true assume !(0 != FloppyStartDevice_~fdcInfo__AcpiBios~0); 14#L544true assume 4 == FloppyStartDevice_~disketteExtension__DriveType~0; 125#L545-1true FloppyStartDevice_~InterfaceType~0 := 0; 296#L551-2true [2019-11-20 01:54:26,208 INFO L796 eck$LassoCheckResult]: Loop: 296#L551-2true assume !false; 213#L552true 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; 83#L862true assume 0 == IoQueryDeviceDescription_~tmp_ndt_4~0; 44#L863true IoQueryDeviceDescription_#res := 0; 286#L854true FloppyStartDevice_#t~ret74 := IoQueryDeviceDescription_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret74;havoc FloppyStartDevice_#t~ret74; 211#L563true assume !(FloppyStartDevice_~ntStatus~1 >= 0);FloppyStartDevice_#t~post75 := FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~InterfaceType~0 := 1 + FloppyStartDevice_#t~post75;havoc FloppyStartDevice_#t~post75; 296#L551-2true [2019-11-20 01:54:26,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:54:26,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1465779028, now seen corresponding path program 1 times [2019-11-20 01:54:26,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:54:26,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234971832] [2019-11-20 01:54:26,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:54:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:54:26,472 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234971832] [2019-11-20 01:54:26,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:54:26,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:54:26,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900481238] [2019-11-20 01:54:26,485 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 01:54:26,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:54:26,486 INFO L82 PathProgramCache]: Analyzing trace with hash 196809009, now seen corresponding path program 1 times [2019-11-20 01:54:26,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:54:26,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008828450] [2019-11-20 01:54:26,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:54:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:54:26,539 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008828450] [2019-11-20 01:54:26,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:54:26,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:54:26,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949322040] [2019-11-20 01:54:26,541 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 01:54:26,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:54:26,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 01:54:26,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:54:26,561 INFO L87 Difference]: Start difference. First operand 379 states. Second operand 4 states. [2019-11-20 01:54:26,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:54:26,682 INFO L93 Difference]: Finished difference Result 462 states and 630 transitions. [2019-11-20 01:54:26,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:54:26,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 462 states and 630 transitions. [2019-11-20 01:54:26,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-20 01:54:26,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 462 states to 94 states and 124 transitions. [2019-11-20 01:54:26,696 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2019-11-20 01:54:26,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2019-11-20 01:54:26,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 124 transitions. [2019-11-20 01:54:26,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:54:26,699 INFO L688 BuchiCegarLoop]: Abstraction has 94 states and 124 transitions. [2019-11-20 01:54:26,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 124 transitions. [2019-11-20 01:54:26,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 89. [2019-11-20 01:54:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-20 01:54:26,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 119 transitions. [2019-11-20 01:54:26,731 INFO L711 BuchiCegarLoop]: Abstraction has 89 states and 119 transitions. [2019-11-20 01:54:26,731 INFO L591 BuchiCegarLoop]: Abstraction has 89 states and 119 transitions. [2019-11-20 01:54:26,732 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:54:26,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 119 transitions. [2019-11-20 01:54:26,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-20 01:54:26,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:54:26,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:54:26,734 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] [2019-11-20 01:54:26,734 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:54:26,735 INFO L794 eck$LassoCheckResult]: Stem: 913#ULTIMATE.startENTRY ~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; 879#L-1 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; 880#L86 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; 902#L717 assume !(0 == main_~irp_choice~0); 903#L717-2 ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 856#L665 assume !(main_~status~1 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet88;havoc main_#t~nondet88; 857#L731 assume 3 == main_~tmp_ndt_1~0; 899#L732 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; 920#L194 assume 1 == ~PagingReferenceCount~0; 914#L194-2 FloppyPnp_~disketteExtension~0 := FloppyPnp_~DeviceObject__DeviceExtension~0;FloppyPnp_~irpSp~0 := FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0; 915#L199 assume !(0 != FloppyPnp_~disketteExtension__IsRemoved~0); 858#L208 assume 0 == FloppyPnp_~irpSp__MinorFunction~0; 859#L209 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; 904#L492 assume !(~s~0 != ~NP~0); 897#L497 assume !(0 != ~compRegistered~0);~compRegistered~0 := 1; 898#L497-1 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; 900#L942 assume !(0 != ~compRegistered~0); 911#L942-1 havoc IofCallDriver_~tmp_ndt_7~0;IofCallDriver_~tmp_ndt_7~0 := IofCallDriver_#t~nondet98;havoc IofCallDriver_#t~nondet98; 936#L957 assume 0 == IofCallDriver_~tmp_ndt_7~0; 884#L958 IofCallDriver_~returnVal2~0 := 0; 885#L977 assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0; 861#L64-4 IofCallDriver_#res := IofCallDriver_~returnVal2~0; 926#L1004 FloppyStartDevice_#t~ret70 := IofCallDriver_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret70;havoc FloppyStartDevice_#t~ret70;FloppyStartDevice_~__cil_tmp42~0 := FloppyStartDevice_~ntStatus~1; 927#L513 assume !(259 == FloppyStartDevice_~__cil_tmp42~0); 928#L513-2 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; 929#L818 assume 0 == IoBuildDeviceIoControlRequest_~tmp_ndt_2~0; 886#L819 IoBuildDeviceIoControlRequest_#res := IoBuildDeviceIoControlRequest_~malloc~0; 887#L808 FlFdcDeviceIo_#t~ret82 := IoBuildDeviceIoControlRequest_#res;FlFdcDeviceIo_~irp~0 := FlFdcDeviceIo_#t~ret82;havoc FlFdcDeviceIo_#t~ret82; 890#L628 assume 0 == FlFdcDeviceIo_~irp~0;FlFdcDeviceIo_#res := -1073741670; 932#L645 FloppyStartDevice_#t~ret72 := FlFdcDeviceIo_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret72;havoc FloppyStartDevice_#t~ret72; 933#L529 assume FloppyStartDevice_~ntStatus~1 >= 0;FloppyStartDevice_~disketteExtension__MaxTransferSize~0 := FloppyStartDevice_~fdcInfo__MaxTransferSize~0; 916#L531 assume !(0 != FloppyStartDevice_~fdcInfo__AcpiBios~0); 866#L544 assume 4 == FloppyStartDevice_~disketteExtension__DriveType~0; 867#L545-1 FloppyStartDevice_~InterfaceType~0 := 0; 889#L551-2 [2019-11-20 01:54:26,735 INFO L796 eck$LassoCheckResult]: Loop: 889#L551-2 assume !false; 891#L552 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; 892#L862 assume !(0 == IoQueryDeviceDescription_~tmp_ndt_4~0); 939#L865 IoQueryDeviceDescription_#res := -1073741823; 940#L854 FloppyStartDevice_#t~ret74 := IoQueryDeviceDescription_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret74;havoc FloppyStartDevice_#t~ret74; 888#L563 assume !(FloppyStartDevice_~ntStatus~1 >= 0);FloppyStartDevice_#t~post75 := FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~InterfaceType~0 := 1 + FloppyStartDevice_#t~post75;havoc FloppyStartDevice_#t~post75; 889#L551-2 [2019-11-20 01:54:26,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:54:26,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1465779028, now seen corresponding path program 2 times [2019-11-20 01:54:26,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:54:26,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536995454] [2019-11-20 01:54:26,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:54:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:54:26,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536995454] [2019-11-20 01:54:26,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:54:26,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:54:26,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350134671] [2019-11-20 01:54:26,832 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 01:54:26,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:54:26,832 INFO L82 PathProgramCache]: Analyzing trace with hash 196870513, now seen corresponding path program 1 times [2019-11-20 01:54:26,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:54:26,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925878432] [2019-11-20 01:54:26,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:54:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:54:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:54:26,868 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:54:27,019 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-11-20 01:54:27,095 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:54:27,095 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:54:27,096 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:54:27,096 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:54:27,096 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 01:54:27,096 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:54:27,096 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:54:27,096 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:54:27,097 INFO L133 ssoRankerPreferences]: Filename of dumped script: floppy_simpl3.cil-2.c_Iteration2_Loop [2019-11-20 01:54:27,097 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:54:27,097 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:54:27,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:27,471 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:54:27,472 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/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 [2019-11-20 01:54:27,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:54:27,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:54:27,502 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 01:54:27,503 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/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/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 [2019-11-20 01:54:27,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:54:27,510 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:54:27,518 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 01:54:27,518 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/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/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 [2019-11-20 01:54:27,530 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:54:27,530 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/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) [2019-11-20 01:54:27,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 01:54:27,555 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:54:28,005 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 01:54:28,008 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:54:28,008 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:54:28,008 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:54:28,008 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:54:28,008 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 01:54:28,008 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:54:28,008 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:54:28,008 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:54:28,009 INFO L133 ssoRankerPreferences]: Filename of dumped script: floppy_simpl3.cil-2.c_Iteration2_Loop [2019-11-20 01:54:28,009 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:54:28,009 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:54:28,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:54:28,375 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:54:28,379 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:54:28,390 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 [2019-11-20 01:54:28,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:54:28,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:54:28,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:54:28,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:54:28,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:54:28,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:54:28,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:54:28,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:54:28,412 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 [2019-11-20 01:54:28,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:54:28,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:54:28,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:54:28,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:54:28,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:54:28,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:54:28,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:54:28,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:54:28,430 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 [2019-11-20 01:54:28,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:54:28,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:54:28,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:54:28,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:54:28,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:54:28,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:54:28,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:54:28,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:54:28,454 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 [2019-11-20 01:54:28,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:54:28,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:54:28,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:54:28,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:54:28,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:54:28,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:54:28,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:54:28,463 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 01:54:28,469 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 01:54:28,469 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71f2434f-516c-4e52-aeac-3b9a9ed93333/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:54:28,483 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 01:54:28,483 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 01:54:28,483 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 01:54:28,484 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 [] [2019-11-20 01:54:28,487 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:54:28,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:54:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:28,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 01:54:28,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:54:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:28,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 01:54:28,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:54:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:54:28,644 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 [2019-11-20 01:54:28,645 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states and 119 transitions. cyclomatic complexity: 31 Second operand 4 states. [2019-11-20 01:54:28,705 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states and 119 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 95 states and 126 transitions. Complement of second has 6 states. [2019-11-20 01:54:28,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 01:54:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 01:54:28,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 119 transitions. [2019-11-20 01:54:28,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 34 letters. Loop has 6 letters. [2019-11-20 01:54:28,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:54:28,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 40 letters. Loop has 6 letters. [2019-11-20 01:54:28,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:54:28,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 34 letters. Loop has 12 letters. [2019-11-20 01:54:28,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:54:28,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 126 transitions. [2019-11-20 01:54:28,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:54:28,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 0 states and 0 transitions. [2019-11-20 01:54:28,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 01:54:28,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 01:54:28,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 01:54:28,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:54:28,713 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:54:28,716 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:54:28,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:54:28,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:54:28,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:54:28,717 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-20 01:54:28,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:54:28,717 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 01:54:28,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 01:54:28,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 01:54:28,717 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:54:28,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 01:54:28,717 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 01:54:28,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 01:54:28,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 01:54:28,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:54:28,718 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:54:28,718 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:54:28,718 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:54:28,718 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 01:54:28,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:54:28,718 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:54:28,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 01:54:28,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:54:28 BoogieIcfgContainer [2019-11-20 01:54:28,723 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:54:28,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:54:28,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:54:28,723 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:54:28,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:25" (3/4) ... [2019-11-20 01:54:28,727 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:54:28,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:54:28,728 INFO L168 Benchmark]: Toolchain (without parser) took 4975.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:54:28,729 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:54:28,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:54:28,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.59 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:54:28,731 INFO L168 Benchmark]: Boogie Preprocessor took 81.97 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:54:28,731 INFO L168 Benchmark]: RCFGBuilder took 1427.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.6 MB in the end (delta: 134.5 MB). Peak memory consumption was 134.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:54:28,732 INFO L168 Benchmark]: BuchiAutomizer took 2724.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 965.6 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:54:28,732 INFO L168 Benchmark]: Witness Printer took 4.19 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:54:28,741 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 643.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.59 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.97 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1427.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.6 MB in the end (delta: 134.5 MB). Peak memory consumption was 134.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2724.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 965.6 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.19 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * InterfaceType + MaximumInterfaceType and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 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 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 89 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 728 SDtfs, 248 SDslu, 1041 SDs, 0 SdLazy, 28 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 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: 21ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...