./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 f5e490cdb414af150c1a875602a078da9d38c5d6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:46:03,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:46:03,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:46:03,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:46:03,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:46:03,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:46:03,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:46:03,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:46:03,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:46:03,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:46:03,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:46:03,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:46:03,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:46:03,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:46:03,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:46:03,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:46:03,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:46:03,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:46:03,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:46:03,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:46:03,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:46:03,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:46:03,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:46:03,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:46:03,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:46:03,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:46:03,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:46:03,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:46:03,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:46:03,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:46:03,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:46:03,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:46:03,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:46:03,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:46:03,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:46:03,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:46:03,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:46:03,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:46:03,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:46:03,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:46:03,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:46:03,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 06:46:03,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:46:03,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:46:03,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:46:03,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:46:03,748 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:46:03,749 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:46:03,749 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:46:03,749 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:46:03,749 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:46:03,750 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:46:03,751 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:46:03,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:46:03,751 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:46:03,752 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:46:03,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:46:03,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:46:03,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:46:03,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:46:03,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:46:03,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:46:03,754 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:46:03,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:46:03,754 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:46:03,755 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:46:03,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:46:03,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:46:03,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:46:03,756 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:46:03,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:46:03,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:46:03,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:46:03,757 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:46:03,759 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:46:03,759 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> f5e490cdb414af150c1a875602a078da9d38c5d6 [2020-10-20 06:46:03,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:46:03,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:46:04,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:46:04,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:46:04,005 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:46:04,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2020-10-20 06:46:04,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d256be566/f40123864f624a3e9de99dd8c1c1a8d0/FLAG6638e18e7 [2020-10-20 06:46:04,672 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:46:04,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2020-10-20 06:46:04,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d256be566/f40123864f624a3e9de99dd8c1c1a8d0/FLAG6638e18e7 [2020-10-20 06:46:04,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d256be566/f40123864f624a3e9de99dd8c1c1a8d0 [2020-10-20 06:46:04,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:46:04,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:46:04,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:46:04,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:46:04,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:46:04,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:46:04" (1/1) ... [2020-10-20 06:46:04,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af011ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:04, skipping insertion in model container [2020-10-20 06:46:04,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:46:04" (1/1) ... [2020-10-20 06:46:04,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:46:05,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:46:05,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:46:05,441 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:46:05,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:46:05,609 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:46:05,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05 WrapperNode [2020-10-20 06:46:05,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:46:05,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:46:05,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:46:05,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:46:05,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (1/1) ... [2020-10-20 06:46:05,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (1/1) ... [2020-10-20 06:46:05,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:46:05,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:46:05,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:46:05,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:46:05,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (1/1) ... [2020-10-20 06:46:05,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (1/1) ... [2020-10-20 06:46:05,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (1/1) ... [2020-10-20 06:46:05,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (1/1) ... [2020-10-20 06:46:05,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (1/1) ... [2020-10-20 06:46:05,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (1/1) ... [2020-10-20 06:46:05,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (1/1) ... [2020-10-20 06:46:05,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:46:05,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:46:05,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:46:05,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:46:05,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:46:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:46:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 06:46:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:46:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:46:06,416 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,449 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,455 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,466 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,469 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,471 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,476 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,482 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,487 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,491 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,493 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,497 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,499 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,507 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,508 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,509 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,511 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,513 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,514 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,514 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,518 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,519 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,523 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,525 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,526 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,528 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,530 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,531 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,532 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:06,533 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:07,999 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##658: assume !false; [2020-10-20 06:46:07,999 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##657: assume false; [2020-10-20 06:46:07,999 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##665: assume !false; [2020-10-20 06:46:07,999 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##664: assume false; [2020-10-20 06:46:08,000 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##683: assume false; [2020-10-20 06:46:08,000 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume !false; [2020-10-20 06:46:08,000 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2020-10-20 06:46:08,000 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2020-10-20 06:46:08,001 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume false; [2020-10-20 06:46:08,001 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##640: assume !false; [2020-10-20 06:46:08,001 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-10-20 06:46:08,001 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-10-20 06:46:08,001 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-10-20 06:46:08,002 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-10-20 06:46:08,002 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume !false; [2020-10-20 06:46:08,002 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume false; [2020-10-20 06:46:08,002 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##229: assume !false; [2020-10-20 06:46:08,003 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume false; [2020-10-20 06:46:08,003 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-10-20 06:46:08,003 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-10-20 06:46:08,003 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##369: assume !false; [2020-10-20 06:46:08,004 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##375: assume !false; [2020-10-20 06:46:08,004 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##374: assume false; [2020-10-20 06:46:08,004 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2020-10-20 06:46:08,004 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2020-10-20 06:46:08,004 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##357: assume false; [2020-10-20 06:46:08,005 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##358: assume !false; [2020-10-20 06:46:08,005 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##368: assume false; [2020-10-20 06:46:08,005 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume !false; [2020-10-20 06:46:08,005 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##403: assume false; [2020-10-20 06:46:08,005 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##427: assume !false; [2020-10-20 06:46:08,006 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume false; [2020-10-20 06:46:08,006 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume !false; [2020-10-20 06:46:08,006 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##435: assume false; [2020-10-20 06:46:08,006 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##439: assume false; [2020-10-20 06:46:08,007 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##440: assume !false; [2020-10-20 06:46:08,007 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2020-10-20 06:46:08,007 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2020-10-20 06:46:08,007 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##485: assume !false; [2020-10-20 06:46:08,008 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##484: assume false; [2020-10-20 06:46:08,008 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##524: assume !false; [2020-10-20 06:46:08,008 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##523: assume false; [2020-10-20 06:46:08,008 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##558: assume !false; [2020-10-20 06:46:08,008 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##557: assume false; [2020-10-20 06:46:08,009 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume !false; [2020-10-20 06:46:08,009 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##186: assume false; [2020-10-20 06:46:08,009 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume !false; [2020-10-20 06:46:08,009 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume false; [2020-10-20 06:46:08,009 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume false; [2020-10-20 06:46:08,010 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##145: assume !false; [2020-10-20 06:46:08,010 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2020-10-20 06:46:08,010 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2020-10-20 06:46:08,010 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2020-10-20 06:46:08,010 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2020-10-20 06:46:08,011 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2020-10-20 06:46:08,011 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2020-10-20 06:46:08,011 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##588: assume !false; [2020-10-20 06:46:08,011 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##587: assume false; [2020-10-20 06:46:08,011 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2020-10-20 06:46:08,012 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2020-10-20 06:46:08,032 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:46:08,033 INFO L298 CfgBuilder]: Removed 385 assume(true) statements. [2020-10-20 06:46:08,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:46:08 BoogieIcfgContainer [2020-10-20 06:46:08,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:46:08,037 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:46:08,037 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:46:08,042 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:46:08,043 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:08,044 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:46:04" (1/3) ... [2020-10-20 06:46:08,045 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b0d231b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:46:08, skipping insertion in model container [2020-10-20 06:46:08,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:08,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:05" (2/3) ... [2020-10-20 06:46:08,046 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b0d231b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:46:08, skipping insertion in model container [2020-10-20 06:46:08,046 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:08,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:46:08" (3/3) ... [2020-10-20 06:46:08,049 INFO L373 chiAutomizerObserver]: Analyzing ICFG floppy_simpl4.cil-1.c [2020-10-20 06:46:08,106 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:46:08,107 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:46:08,117 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:46:08,118 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:46:08,118 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:46:08,118 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:46:08,118 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:46:08,119 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:46:08,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 572 states. [2020-10-20 06:46:08,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-20 06:46:08,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:46:08,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:46:08,224 INFO L852 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, 1, 1, 1] [2020-10-20 06:46:08,224 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:46:08,225 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:46:08,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 572 states. [2020-10-20 06:46:08,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-20 06:46:08,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:46:08,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:46:08,239 INFO L852 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, 1, 1, 1] [2020-10-20 06:46:08,240 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:46:08,247 INFO L794 eck$LassoCheckResult]: Stem: 439#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(22);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 304#L-1true havoc main_#res;havoc main_#t~nondet93, main_#t~nondet94, main_#t~nondet95, main_#t~nondet96, main_#t~nondet97, main_#t~nondet98, main_#t~nondet99, main_#t~ret100, main_#t~ret101, main_#t~ret102, main_#t~ret103, main_~tmp_ndt_4~0, main_~tmp_ndt_3~0, main_~tmp_ndt_2~0, 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~nondet93;havoc main_#t~nondet93;havoc main_~pirp~0;havoc main_~pirp__IoStatus__Status~0;main_~irp_choice~0 := main_#t~nondet94;havoc main_#t~nondet94;main_~devobj~0 := main_#t~nondet95;havoc main_#t~nondet95;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; 560#L85true 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; 412#L716true assume !(0 == main_~irp_choice~0); 414#L716-2true ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 82#L664true assume !(main_~status~1 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet96;havoc main_#t~nondet96; 105#L730true assume !(0 == main_~tmp_ndt_1~0);havoc main_~tmp_ndt_2~0;main_~tmp_ndt_2~0 := main_#t~nondet97;havoc main_#t~nondet97; 553#L735true assume !(1 == main_~tmp_ndt_2~0);havoc main_~tmp_ndt_3~0;main_~tmp_ndt_3~0 := main_#t~nondet98;havoc main_#t~nondet98; 263#L740true assume !(2 == main_~tmp_ndt_3~0);havoc main_~tmp_ndt_4~0;main_~tmp_ndt_4~0 := main_#t~nondet99;havoc main_#t~nondet99; 572#L745true assume 3 == main_~tmp_ndt_4~0; 552#L746true FloppyPnp_#in~DeviceObject, FloppyPnp_#in~Irp := main_~devobj~0, main_~pirp~0;havoc FloppyPnp_#res;havoc FloppyPnp_#t~nondet19, FloppyPnp_#t~nondet20, FloppyPnp_#t~nondet21, FloppyPnp_#t~nondet22, FloppyPnp_#t~nondet23, FloppyPnp_#t~nondet24, FloppyPnp_#t~nondet25, FloppyPnp_#t~nondet26, FloppyPnp_#t~nondet27, FloppyPnp_#t~nondet28, FloppyPnp_#t~nondet29, FloppyPnp_#t~nondet30, FloppyPnp_#t~nondet31, FloppyPnp_#t~nondet32, FloppyPnp_#t~post33, FloppyPnp_#t~ret34, FloppyPnp_#t~post35, FloppyPnp_#t~post36, FloppyPnp_#t~ret37, FloppyPnp_#t~ret38, FloppyPnp_#t~ret39, FloppyPnp_#t~post40, FloppyPnp_#t~post41, FloppyPnp_#t~ret42, FloppyPnp_#t~post43, FloppyPnp_#t~post44, FloppyPnp_#t~ret45, FloppyPnp_#t~ret46, FloppyPnp_#t~ret47, FloppyPnp_#t~post48, FloppyPnp_#t~post49, FloppyPnp_#t~ret50, FloppyPnp_#t~post51, FloppyPnp_#t~post52, FloppyPnp_#t~ret53, FloppyPnp_#t~ret54, FloppyPnp_#t~ret55, FloppyPnp_#t~post56, FloppyPnp_#t~post57, FloppyPnp_#t~post58, FloppyPnp_#t~ret59, FloppyPnp_#t~post60, 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~nondet19;havoc FloppyPnp_#t~nondet19;FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0 := FloppyPnp_#t~nondet20;havoc FloppyPnp_#t~nondet20;havoc FloppyPnp_~Irp__IoStatus__Information~1;havoc FloppyPnp_~Irp__IoStatus__Status~1;FloppyPnp_~Irp__CurrentLocation~0 := FloppyPnp_#t~nondet21;havoc FloppyPnp_#t~nondet21;FloppyPnp_~disketteExtension__IsRemoved~0 := FloppyPnp_#t~nondet22;havoc FloppyPnp_#t~nondet22;FloppyPnp_~disketteExtension__IsStarted~0 := FloppyPnp_#t~nondet23;havoc FloppyPnp_#t~nondet23;FloppyPnp_~disketteExtension__TargetObject~0 := FloppyPnp_#t~nondet24;havoc FloppyPnp_#t~nondet24;havoc FloppyPnp_~disketteExtension__HoldNewRequests~0;FloppyPnp_~disketteExtension__FloppyThread~0 := FloppyPnp_#t~nondet25;havoc FloppyPnp_#t~nondet25;FloppyPnp_~disketteExtension__InterfaceString__Buffer~0 := FloppyPnp_#t~nondet26;havoc FloppyPnp_#t~nondet26;FloppyPnp_~disketteExtension__InterfaceString~0 := FloppyPnp_#t~nondet27;havoc FloppyPnp_#t~nondet27;FloppyPnp_~disketteExtension__ArcName__Length~0 := FloppyPnp_#t~nondet28;havoc FloppyPnp_#t~nondet28;FloppyPnp_~disketteExtension__ArcName~0 := FloppyPnp_#t~nondet29;havoc FloppyPnp_#t~nondet29;FloppyPnp_~irpSp__MinorFunction~0 := FloppyPnp_#t~nondet30;havoc FloppyPnp_#t~nondet30;FloppyPnp_~IoGetConfigurationInformation__FloppyCount~0 := FloppyPnp_#t~nondet31;havoc FloppyPnp_#t~nondet31;havoc FloppyPnp_~irpSp~0;havoc FloppyPnp_~disketteExtension~0;havoc FloppyPnp_~ntStatus~0;FloppyPnp_~doneEvent~0 := FloppyPnp_#t~nondet32;havoc FloppyPnp_#t~nondet32;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~post33 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + FloppyPnp_#t~post33;havoc FloppyPnp_#t~post33; 117#L193true assume !(1 == ~PagingReferenceCount~0); 112#L193-2true FloppyPnp_~disketteExtension~0 := FloppyPnp_~DeviceObject__DeviceExtension~0;FloppyPnp_~irpSp~0 := FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0; 430#L198true assume !(0 != FloppyPnp_~disketteExtension__IsRemoved~0); 385#L207true assume 0 == FloppyPnp_~irpSp__MinorFunction~0; 288#L208true FloppyStartDevice_#in~DeviceObject, FloppyStartDevice_#in~Irp := FloppyPnp_~DeviceObject, FloppyPnp_~Irp;havoc FloppyStartDevice_#res;havoc 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~nondet70, FloppyStartDevice_#t~nondet71, FloppyStartDevice_#t~nondet72, FloppyStartDevice_#t~nondet73, FloppyStartDevice_#t~nondet74, FloppyStartDevice_#t~nondet75, FloppyStartDevice_#t~nondet76, FloppyStartDevice_#t~nondet77, FloppyStartDevice_#t~ret78, FloppyStartDevice_#t~ret79, FloppyStartDevice_#t~ret80, FloppyStartDevice_#t~ret81, FloppyStartDevice_#t~ret82, FloppyStartDevice_#t~post83, FloppyStartDevice_#t~ret84, FloppyStartDevice_#t~ret85, 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~nondet61;havoc FloppyStartDevice_#t~nondet61;FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 := FloppyStartDevice_#t~nondet62;havoc FloppyStartDevice_#t~nondet62;havoc FloppyStartDevice_~Irp__IoStatus__Status~2;FloppyStartDevice_~disketteExtension__TargetObject~1 := FloppyStartDevice_#t~nondet63;havoc FloppyStartDevice_#t~nondet63;havoc FloppyStartDevice_~disketteExtension__MaxTransferSize~0;FloppyStartDevice_~disketteExtension__DriveType~0 := FloppyStartDevice_#t~nondet64;havoc FloppyStartDevice_#t~nondet64;havoc FloppyStartDevice_~disketteExtension__PerpendicularMode~0;havoc FloppyStartDevice_~disketteExtension__DeviceUnit~0;havoc FloppyStartDevice_~disketteExtension__DriveOnValue~0;FloppyStartDevice_~disketteExtension__UnderlyingPDO~0 := FloppyStartDevice_#t~nondet65;havoc FloppyStartDevice_#t~nondet65;FloppyStartDevice_~disketteExtension__InterfaceString~1 := FloppyStartDevice_#t~nondet66;havoc FloppyStartDevice_#t~nondet66;havoc FloppyStartDevice_~disketteExtension__IsStarted~1;havoc FloppyStartDevice_~disketteExtension__HoldNewRequests~1;havoc FloppyStartDevice_~ntStatus~1;havoc FloppyStartDevice_~pnpStatus~0;FloppyStartDevice_~doneEvent~1 := FloppyStartDevice_#t~nondet67;havoc FloppyStartDevice_#t~nondet67;FloppyStartDevice_~fdcInfo~0 := FloppyStartDevice_#t~nondet68;havoc FloppyStartDevice_#t~nondet68;havoc FloppyStartDevice_~fdcInfo__BufferCount~0;havoc FloppyStartDevice_~fdcInfo__BufferSize~0;FloppyStartDevice_~fdcInfo__MaxTransferSize~0 := FloppyStartDevice_#t~nondet69;havoc FloppyStartDevice_#t~nondet69;FloppyStartDevice_~fdcInfo__AcpiBios~0 := FloppyStartDevice_#t~nondet70;havoc FloppyStartDevice_#t~nondet70;FloppyStartDevice_~fdcInfo__AcpiFdiSupported~0 := FloppyStartDevice_#t~nondet71;havoc FloppyStartDevice_#t~nondet71;FloppyStartDevice_~fdcInfo__PeripheralNumber~0 := FloppyStartDevice_#t~nondet72;havoc FloppyStartDevice_#t~nondet72;havoc FloppyStartDevice_~fdcInfo__BusType~0;FloppyStartDevice_~fdcInfo__ControllerNumber~0 := FloppyStartDevice_#t~nondet73;havoc FloppyStartDevice_#t~nondet73;FloppyStartDevice_~fdcInfo__UnitNumber~0 := FloppyStartDevice_#t~nondet74;havoc FloppyStartDevice_#t~nondet74;FloppyStartDevice_~fdcInfo__BusNumber~0 := FloppyStartDevice_#t~nondet75;havoc FloppyStartDevice_#t~nondet75;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~nondet76;havoc FloppyStartDevice_#t~nondet76;havoc FloppyStartDevice_~__cil_tmp42~0;havoc FloppyStartDevice_~__cil_tmp43~0;havoc FloppyStartDevice_~__cil_tmp44~0;havoc FloppyStartDevice_~__cil_tmp45~0;FloppyStartDevice_~__cil_tmp46~0 := FloppyStartDevice_#t~nondet77;havoc FloppyStartDevice_#t~nondet77;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; 508#L491true assume !(~s~0 != ~NP~0); 236#L496true assume !(0 != ~compRegistered~0);~compRegistered~0 := 1; 237#L496-1true 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~nondet110, IofCallDriver_#t~ret111, IofCallDriver_#t~nondet112, IofCallDriver_#t~nondet113, IofCallDriver_~tmp_ndt_11~0, IofCallDriver_~tmp_ndt_10~0, 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~nondet110;havoc IofCallDriver_#t~nondet110;havoc IofCallDriver_~__cil_tmp7~0; 159#L974-4true assume !(0 != ~compRegistered~0); 141#L974-5true havoc IofCallDriver_~tmp_ndt_10~0;IofCallDriver_~tmp_ndt_10~0 := IofCallDriver_#t~nondet112;havoc IofCallDriver_#t~nondet112; 379#L989-2true assume 0 == IofCallDriver_~tmp_ndt_10~0; 482#L990-2true IofCallDriver_~returnVal2~0 := 0; 499#L1009-2true assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0; 297#L1628-17true IofCallDriver_#res := IofCallDriver_~returnVal2~0; 218#L1036-2true FloppyStartDevice_#t~ret78 := IofCallDriver_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret78;havoc FloppyStartDevice_#t~ret78;FloppyStartDevice_~__cil_tmp42~0 := FloppyStartDevice_~ntStatus~1; 137#L512true assume !(259 == FloppyStartDevice_~__cil_tmp42~0); 114#L512-2true FloppyStartDevice_~fdcInfo__BufferCount~0 := 0;FloppyStartDevice_~fdcInfo__BufferSize~0 := 0;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~nondet87, FlFdcDeviceIo_#t~nondet88, FlFdcDeviceIo_#t~nondet89, FlFdcDeviceIo_#t~ret90, FlFdcDeviceIo_#t~ret91, FlFdcDeviceIo_#t~ret92, 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~nondet87;havoc FlFdcDeviceIo_#t~nondet87;FlFdcDeviceIo_~ioStatus~0 := FlFdcDeviceIo_#t~nondet88;havoc FlFdcDeviceIo_#t~nondet88;FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0 := FlFdcDeviceIo_#t~nondet89;havoc FlFdcDeviceIo_#t~nondet89;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~nondet104, IoBuildDeviceIoControlRequest_#t~nondet105, IoBuildDeviceIoControlRequest_~tmp_ndt_5~0, 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~nondet104;havoc IoBuildDeviceIoControlRequest_#t~nondet104;~customIrp~0 := 1;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_5~0;IoBuildDeviceIoControlRequest_~tmp_ndt_5~0 := IoBuildDeviceIoControlRequest_#t~nondet105;havoc IoBuildDeviceIoControlRequest_#t~nondet105; 273#L850true assume 0 == IoBuildDeviceIoControlRequest_~tmp_ndt_5~0; 94#L851true IoBuildDeviceIoControlRequest_#res := IoBuildDeviceIoControlRequest_~malloc~0; 95#L840true FlFdcDeviceIo_#t~ret90 := IoBuildDeviceIoControlRequest_#res;FlFdcDeviceIo_~irp~0 := FlFdcDeviceIo_#t~ret90;havoc FlFdcDeviceIo_#t~ret90; 454#L627true assume 0 == FlFdcDeviceIo_~irp~0;FlFdcDeviceIo_#res := -1073741670; 126#L644true FloppyStartDevice_#t~ret80 := FlFdcDeviceIo_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret80;havoc FloppyStartDevice_#t~ret80; 459#L528true assume FloppyStartDevice_~ntStatus~1 >= 0;FloppyStartDevice_~disketteExtension__MaxTransferSize~0 := FloppyStartDevice_~fdcInfo__MaxTransferSize~0; 177#L530true assume !(0 != FloppyStartDevice_~fdcInfo__AcpiBios~0); 91#L543true assume !(4 == FloppyStartDevice_~disketteExtension__DriveType~0); 10#L544-1true FloppyStartDevice_~InterfaceType~0 := 0; 448#L550-2true [2020-10-20 06:46:08,249 INFO L796 eck$LassoCheckResult]: Loop: 448#L550-2true assume !false; 233#L551true 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~nondet107, IoQueryDeviceDescription_~tmp_ndt_7~0, 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_7~0;IoQueryDeviceDescription_~tmp_ndt_7~0 := IoQueryDeviceDescription_#t~nondet107;havoc IoQueryDeviceDescription_#t~nondet107; 270#L894true assume 0 == IoQueryDeviceDescription_~tmp_ndt_7~0; 245#L895true IoQueryDeviceDescription_#res := 0; 156#L886true FloppyStartDevice_#t~ret82 := IoQueryDeviceDescription_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret82;havoc FloppyStartDevice_#t~ret82; 232#L562true assume !(FloppyStartDevice_~ntStatus~1 >= 0);FloppyStartDevice_#t~post83 := FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~InterfaceType~0 := 1 + FloppyStartDevice_#t~post83;havoc FloppyStartDevice_#t~post83; 448#L550-2true [2020-10-20 06:46:08,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:46:08,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1968091500, now seen corresponding path program 1 times [2020-10-20 06:46:08,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:46:08,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146104143] [2020-10-20 06:46:08,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:46:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:46:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:46:08,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146104143] [2020-10-20 06:46:08,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:46:08,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:46:08,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387450829] [2020-10-20 06:46:08,559 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:46:08,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:46:08,560 INFO L82 PathProgramCache]: Analyzing trace with hash 767013425, now seen corresponding path program 1 times [2020-10-20 06:46:08,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:46:08,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835050423] [2020-10-20 06:46:08,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:46:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:46:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:46:08,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835050423] [2020-10-20 06:46:08,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:46:08,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:46:08,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145776072] [2020-10-20 06:46:08,599 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 06:46:08,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:46:08,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:46:08,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:46:08,627 INFO L87 Difference]: Start difference. First operand 572 states. Second operand 4 states. [2020-10-20 06:46:08,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:46:08,765 INFO L93 Difference]: Finished difference Result 603 states and 830 transitions. [2020-10-20 06:46:08,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:46:08,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 603 states and 830 transitions. [2020-10-20 06:46:08,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-20 06:46:08,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 603 states to 97 states and 127 transitions. [2020-10-20 06:46:08,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 97 [2020-10-20 06:46:08,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 97 [2020-10-20 06:46:08,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 97 states and 127 transitions. [2020-10-20 06:46:08,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:46:08,787 INFO L691 BuchiCegarLoop]: Abstraction has 97 states and 127 transitions. [2020-10-20 06:46:08,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states and 127 transitions. [2020-10-20 06:46:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 92. [2020-10-20 06:46:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-20 06:46:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2020-10-20 06:46:08,830 INFO L714 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2020-10-20 06:46:08,830 INFO L594 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2020-10-20 06:46:08,831 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:46:08,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 122 transitions. [2020-10-20 06:46:08,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-20 06:46:08,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:46:08,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:46:08,834 INFO L852 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, 1, 1, 1] [2020-10-20 06:46:08,834 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:46:08,835 INFO L794 eck$LassoCheckResult]: Stem: 1252#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(22);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 1216#L-1 havoc main_#res;havoc main_#t~nondet93, main_#t~nondet94, main_#t~nondet95, main_#t~nondet96, main_#t~nondet97, main_#t~nondet98, main_#t~nondet99, main_#t~ret100, main_#t~ret101, main_#t~ret102, main_#t~ret103, main_~tmp_ndt_4~0, main_~tmp_ndt_3~0, main_~tmp_ndt_2~0, 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~nondet93;havoc main_#t~nondet93;havoc main_~pirp~0;havoc main_~pirp__IoStatus__Status~0;main_~irp_choice~0 := main_#t~nondet94;havoc main_#t~nondet94;main_~devobj~0 := main_#t~nondet95;havoc main_#t~nondet95;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; 1217#L85 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; 1196#L716 assume !(0 == main_~irp_choice~0); 1197#L716-2 ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 1210#L664 assume !(main_~status~1 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet96;havoc main_#t~nondet96; 1278#L730 assume !(0 == main_~tmp_ndt_1~0);havoc main_~tmp_ndt_2~0;main_~tmp_ndt_2~0 := main_#t~nondet97;havoc main_#t~nondet97; 1247#L735 assume !(1 == main_~tmp_ndt_2~0);havoc main_~tmp_ndt_3~0;main_~tmp_ndt_3~0 := main_#t~nondet98;havoc main_#t~nondet98; 1248#L740 assume !(2 == main_~tmp_ndt_3~0);havoc main_~tmp_ndt_4~0;main_~tmp_ndt_4~0 := main_#t~nondet99;havoc main_#t~nondet99; 1258#L745 assume 3 == main_~tmp_ndt_4~0; 1246#L746 FloppyPnp_#in~DeviceObject, FloppyPnp_#in~Irp := main_~devobj~0, main_~pirp~0;havoc FloppyPnp_#res;havoc FloppyPnp_#t~nondet19, FloppyPnp_#t~nondet20, FloppyPnp_#t~nondet21, FloppyPnp_#t~nondet22, FloppyPnp_#t~nondet23, FloppyPnp_#t~nondet24, FloppyPnp_#t~nondet25, FloppyPnp_#t~nondet26, FloppyPnp_#t~nondet27, FloppyPnp_#t~nondet28, FloppyPnp_#t~nondet29, FloppyPnp_#t~nondet30, FloppyPnp_#t~nondet31, FloppyPnp_#t~nondet32, FloppyPnp_#t~post33, FloppyPnp_#t~ret34, FloppyPnp_#t~post35, FloppyPnp_#t~post36, FloppyPnp_#t~ret37, FloppyPnp_#t~ret38, FloppyPnp_#t~ret39, FloppyPnp_#t~post40, FloppyPnp_#t~post41, FloppyPnp_#t~ret42, FloppyPnp_#t~post43, FloppyPnp_#t~post44, FloppyPnp_#t~ret45, FloppyPnp_#t~ret46, FloppyPnp_#t~ret47, FloppyPnp_#t~post48, FloppyPnp_#t~post49, FloppyPnp_#t~ret50, FloppyPnp_#t~post51, FloppyPnp_#t~post52, FloppyPnp_#t~ret53, FloppyPnp_#t~ret54, FloppyPnp_#t~ret55, FloppyPnp_#t~post56, FloppyPnp_#t~post57, FloppyPnp_#t~post58, FloppyPnp_#t~ret59, FloppyPnp_#t~post60, 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~nondet19;havoc FloppyPnp_#t~nondet19;FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0 := FloppyPnp_#t~nondet20;havoc FloppyPnp_#t~nondet20;havoc FloppyPnp_~Irp__IoStatus__Information~1;havoc FloppyPnp_~Irp__IoStatus__Status~1;FloppyPnp_~Irp__CurrentLocation~0 := FloppyPnp_#t~nondet21;havoc FloppyPnp_#t~nondet21;FloppyPnp_~disketteExtension__IsRemoved~0 := FloppyPnp_#t~nondet22;havoc FloppyPnp_#t~nondet22;FloppyPnp_~disketteExtension__IsStarted~0 := FloppyPnp_#t~nondet23;havoc FloppyPnp_#t~nondet23;FloppyPnp_~disketteExtension__TargetObject~0 := FloppyPnp_#t~nondet24;havoc FloppyPnp_#t~nondet24;havoc FloppyPnp_~disketteExtension__HoldNewRequests~0;FloppyPnp_~disketteExtension__FloppyThread~0 := FloppyPnp_#t~nondet25;havoc FloppyPnp_#t~nondet25;FloppyPnp_~disketteExtension__InterfaceString__Buffer~0 := FloppyPnp_#t~nondet26;havoc FloppyPnp_#t~nondet26;FloppyPnp_~disketteExtension__InterfaceString~0 := FloppyPnp_#t~nondet27;havoc FloppyPnp_#t~nondet27;FloppyPnp_~disketteExtension__ArcName__Length~0 := FloppyPnp_#t~nondet28;havoc FloppyPnp_#t~nondet28;FloppyPnp_~disketteExtension__ArcName~0 := FloppyPnp_#t~nondet29;havoc FloppyPnp_#t~nondet29;FloppyPnp_~irpSp__MinorFunction~0 := FloppyPnp_#t~nondet30;havoc FloppyPnp_#t~nondet30;FloppyPnp_~IoGetConfigurationInformation__FloppyCount~0 := FloppyPnp_#t~nondet31;havoc FloppyPnp_#t~nondet31;havoc FloppyPnp_~irpSp~0;havoc FloppyPnp_~disketteExtension~0;havoc FloppyPnp_~ntStatus~0;FloppyPnp_~doneEvent~0 := FloppyPnp_#t~nondet32;havoc FloppyPnp_#t~nondet32;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~post33 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + FloppyPnp_#t~post33;havoc FloppyPnp_#t~post33; 1224#L193 assume !(1 == ~PagingReferenceCount~0); 1218#L193-2 FloppyPnp_~disketteExtension~0 := FloppyPnp_~DeviceObject__DeviceExtension~0;FloppyPnp_~irpSp~0 := FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0; 1219#L198 assume !(0 != FloppyPnp_~disketteExtension__IsRemoved~0); 1236#L207 assume 0 == FloppyPnp_~irpSp__MinorFunction~0; 1194#L208 FloppyStartDevice_#in~DeviceObject, FloppyStartDevice_#in~Irp := FloppyPnp_~DeviceObject, FloppyPnp_~Irp;havoc FloppyStartDevice_#res;havoc 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~nondet70, FloppyStartDevice_#t~nondet71, FloppyStartDevice_#t~nondet72, FloppyStartDevice_#t~nondet73, FloppyStartDevice_#t~nondet74, FloppyStartDevice_#t~nondet75, FloppyStartDevice_#t~nondet76, FloppyStartDevice_#t~nondet77, FloppyStartDevice_#t~ret78, FloppyStartDevice_#t~ret79, FloppyStartDevice_#t~ret80, FloppyStartDevice_#t~ret81, FloppyStartDevice_#t~ret82, FloppyStartDevice_#t~post83, FloppyStartDevice_#t~ret84, FloppyStartDevice_#t~ret85, 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~nondet61;havoc FloppyStartDevice_#t~nondet61;FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1 := FloppyStartDevice_#t~nondet62;havoc FloppyStartDevice_#t~nondet62;havoc FloppyStartDevice_~Irp__IoStatus__Status~2;FloppyStartDevice_~disketteExtension__TargetObject~1 := FloppyStartDevice_#t~nondet63;havoc FloppyStartDevice_#t~nondet63;havoc FloppyStartDevice_~disketteExtension__MaxTransferSize~0;FloppyStartDevice_~disketteExtension__DriveType~0 := FloppyStartDevice_#t~nondet64;havoc FloppyStartDevice_#t~nondet64;havoc FloppyStartDevice_~disketteExtension__PerpendicularMode~0;havoc FloppyStartDevice_~disketteExtension__DeviceUnit~0;havoc FloppyStartDevice_~disketteExtension__DriveOnValue~0;FloppyStartDevice_~disketteExtension__UnderlyingPDO~0 := FloppyStartDevice_#t~nondet65;havoc FloppyStartDevice_#t~nondet65;FloppyStartDevice_~disketteExtension__InterfaceString~1 := FloppyStartDevice_#t~nondet66;havoc FloppyStartDevice_#t~nondet66;havoc FloppyStartDevice_~disketteExtension__IsStarted~1;havoc FloppyStartDevice_~disketteExtension__HoldNewRequests~1;havoc FloppyStartDevice_~ntStatus~1;havoc FloppyStartDevice_~pnpStatus~0;FloppyStartDevice_~doneEvent~1 := FloppyStartDevice_#t~nondet67;havoc FloppyStartDevice_#t~nondet67;FloppyStartDevice_~fdcInfo~0 := FloppyStartDevice_#t~nondet68;havoc FloppyStartDevice_#t~nondet68;havoc FloppyStartDevice_~fdcInfo__BufferCount~0;havoc FloppyStartDevice_~fdcInfo__BufferSize~0;FloppyStartDevice_~fdcInfo__MaxTransferSize~0 := FloppyStartDevice_#t~nondet69;havoc FloppyStartDevice_#t~nondet69;FloppyStartDevice_~fdcInfo__AcpiBios~0 := FloppyStartDevice_#t~nondet70;havoc FloppyStartDevice_#t~nondet70;FloppyStartDevice_~fdcInfo__AcpiFdiSupported~0 := FloppyStartDevice_#t~nondet71;havoc FloppyStartDevice_#t~nondet71;FloppyStartDevice_~fdcInfo__PeripheralNumber~0 := FloppyStartDevice_#t~nondet72;havoc FloppyStartDevice_#t~nondet72;havoc FloppyStartDevice_~fdcInfo__BusType~0;FloppyStartDevice_~fdcInfo__ControllerNumber~0 := FloppyStartDevice_#t~nondet73;havoc FloppyStartDevice_#t~nondet73;FloppyStartDevice_~fdcInfo__UnitNumber~0 := FloppyStartDevice_#t~nondet74;havoc FloppyStartDevice_#t~nondet74;FloppyStartDevice_~fdcInfo__BusNumber~0 := FloppyStartDevice_#t~nondet75;havoc FloppyStartDevice_#t~nondet75;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~nondet76;havoc FloppyStartDevice_#t~nondet76;havoc FloppyStartDevice_~__cil_tmp42~0;havoc FloppyStartDevice_~__cil_tmp43~0;havoc FloppyStartDevice_~__cil_tmp44~0;havoc FloppyStartDevice_~__cil_tmp45~0;FloppyStartDevice_~__cil_tmp46~0 := FloppyStartDevice_#t~nondet77;havoc FloppyStartDevice_#t~nondet77;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; 1195#L491 assume !(~s~0 != ~NP~0); 1264#L496 assume !(0 != ~compRegistered~0);~compRegistered~0 := 1; 1279#L496-1 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~nondet110, IofCallDriver_#t~ret111, IofCallDriver_#t~nondet112, IofCallDriver_#t~nondet113, IofCallDriver_~tmp_ndt_11~0, IofCallDriver_~tmp_ndt_10~0, 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~nondet110;havoc IofCallDriver_#t~nondet110;havoc IofCallDriver_~__cil_tmp7~0; 1269#L974-4 assume !(0 != ~compRegistered~0); 1230#L974-5 havoc IofCallDriver_~tmp_ndt_10~0;IofCallDriver_~tmp_ndt_10~0 := IofCallDriver_#t~nondet112;havoc IofCallDriver_#t~nondet112; 1251#L989-2 assume 0 == IofCallDriver_~tmp_ndt_10~0; 1276#L990-2 IofCallDriver_~returnVal2~0 := 0; 1231#L1009-2 assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0; 1200#L1628-17 IofCallDriver_#res := IofCallDriver_~returnVal2~0; 1201#L1036-2 FloppyStartDevice_#t~ret78 := IofCallDriver_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret78;havoc FloppyStartDevice_#t~ret78;FloppyStartDevice_~__cil_tmp42~0 := FloppyStartDevice_~ntStatus~1; 1244#L512 assume !(259 == FloppyStartDevice_~__cil_tmp42~0); 1222#L512-2 FloppyStartDevice_~fdcInfo__BufferCount~0 := 0;FloppyStartDevice_~fdcInfo__BufferSize~0 := 0;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~nondet87, FlFdcDeviceIo_#t~nondet88, FlFdcDeviceIo_#t~nondet89, FlFdcDeviceIo_#t~ret90, FlFdcDeviceIo_#t~ret91, FlFdcDeviceIo_#t~ret92, 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~nondet87;havoc FlFdcDeviceIo_#t~nondet87;FlFdcDeviceIo_~ioStatus~0 := FlFdcDeviceIo_#t~nondet88;havoc FlFdcDeviceIo_#t~nondet88;FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0 := FlFdcDeviceIo_#t~nondet89;havoc FlFdcDeviceIo_#t~nondet89;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~nondet104, IoBuildDeviceIoControlRequest_#t~nondet105, IoBuildDeviceIoControlRequest_~tmp_ndt_5~0, 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~nondet104;havoc IoBuildDeviceIoControlRequest_#t~nondet104;~customIrp~0 := 1;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_5~0;IoBuildDeviceIoControlRequest_~tmp_ndt_5~0 := IoBuildDeviceIoControlRequest_#t~nondet105;havoc IoBuildDeviceIoControlRequest_#t~nondet105; 1223#L850 assume 0 == IoBuildDeviceIoControlRequest_~tmp_ndt_5~0; 1275#L851 IoBuildDeviceIoControlRequest_#res := IoBuildDeviceIoControlRequest_~malloc~0; 1266#L840 FlFdcDeviceIo_#t~ret90 := IoBuildDeviceIoControlRequest_#res;FlFdcDeviceIo_~irp~0 := FlFdcDeviceIo_#t~ret90;havoc FlFdcDeviceIo_#t~ret90; 1274#L627 assume 0 == FlFdcDeviceIo_~irp~0;FlFdcDeviceIo_#res := -1073741670; 1233#L644 FloppyStartDevice_#t~ret80 := FlFdcDeviceIo_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret80;havoc FloppyStartDevice_#t~ret80; 1234#L528 assume FloppyStartDevice_~ntStatus~1 >= 0;FloppyStartDevice_~disketteExtension__MaxTransferSize~0 := FloppyStartDevice_~fdcInfo__MaxTransferSize~0; 1225#L530 assume !(0 != FloppyStartDevice_~fdcInfo__AcpiBios~0); 1227#L543 assume !(4 == FloppyStartDevice_~disketteExtension__DriveType~0); 1214#L544-1 FloppyStartDevice_~InterfaceType~0 := 0; 1215#L550-2 [2020-10-20 06:46:08,835 INFO L796 eck$LassoCheckResult]: Loop: 1215#L550-2 assume !false; 1257#L551 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~nondet107, IoQueryDeviceDescription_~tmp_ndt_7~0, 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_7~0;IoQueryDeviceDescription_~tmp_ndt_7~0 := IoQueryDeviceDescription_#t~nondet107;havoc IoQueryDeviceDescription_#t~nondet107; 1273#L894 assume !(0 == IoQueryDeviceDescription_~tmp_ndt_7~0); 1261#L897 IoQueryDeviceDescription_#res := -1073741823; 1262#L886 FloppyStartDevice_#t~ret82 := IoQueryDeviceDescription_#res;FloppyStartDevice_~ntStatus~1 := FloppyStartDevice_#t~ret82;havoc FloppyStartDevice_#t~ret82; 1263#L562 assume !(FloppyStartDevice_~ntStatus~1 >= 0);FloppyStartDevice_#t~post83 := FloppyStartDevice_~InterfaceType~0;FloppyStartDevice_~InterfaceType~0 := 1 + FloppyStartDevice_#t~post83;havoc FloppyStartDevice_#t~post83; 1215#L550-2 [2020-10-20 06:46:08,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:46:08,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1968091500, now seen corresponding path program 2 times [2020-10-20 06:46:08,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:46:08,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706847974] [2020-10-20 06:46:08,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:46:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:46:08,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:46:08,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706847974] [2020-10-20 06:46:08,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:46:08,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:46:08,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806036115] [2020-10-20 06:46:08,904 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:46:08,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:46:08,905 INFO L82 PathProgramCache]: Analyzing trace with hash 767074929, now seen corresponding path program 1 times [2020-10-20 06:46:08,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:46:08,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849778240] [2020-10-20 06:46:08,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:46:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:46:08,918 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:46:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:46:08,925 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:46:08,953 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:46:09,101 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-10-20 06:46:09,179 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:46:09,180 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:46:09,180 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:46:09,181 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:46:09,181 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:46:09,181 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:46:09,181 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:46:09,182 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:46:09,182 INFO L133 ssoRankerPreferences]: Filename of dumped script: floppy_simpl4.cil-1.c_Iteration2_Loop [2020-10-20 06:46:09,182 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:46:09,183 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:46:09,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:09,543 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:46:09,544 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:46:09,562 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:46:09,563 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:46:09,576 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:46:09,576 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_IoQueryDeviceDescription_#in~BusNumber=2, ULTIMATE.start_IoQueryDeviceDescription_~BusNumber=2, ULTIMATE.start_FloppyStartDevice_~fdcInfo__BusNumber~0=2} Honda state: {ULTIMATE.start_IoQueryDeviceDescription_#in~BusNumber=2, ULTIMATE.start_IoQueryDeviceDescription_~BusNumber=2, ULTIMATE.start_FloppyStartDevice_~fdcInfo__BusNumber~0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:46:09,623 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:46:09,624 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:46:09,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:46:09,666 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:46:10,186 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:46:10,189 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:46:10,189 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:46:10,189 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:46:10,189 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:46:10,189 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:46:10,190 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:46:10,190 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:46:10,190 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:46:10,190 INFO L133 ssoRankerPreferences]: Filename of dumped script: floppy_simpl4.cil-1.c_Iteration2_Loop [2020-10-20 06:46:10,190 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:46:10,190 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:46:10,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:46:10,473 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:46:10,479 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:46:10,492 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 [2020-10-20 06:46:10,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:46:10,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:46:10,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:46:10,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:46:10,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:46:10,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:46:10,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:46:10,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:46:10,550 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 [2020-10-20 06:46:10,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:46:10,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:46:10,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:46:10,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:46:10,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:46:10,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:46:10,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:46:10,557 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:46:10,603 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 [2020-10-20 06:46:10,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:46:10,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:46:10,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:46:10,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:46:10,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:46:10,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:46:10,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:46:10,615 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:46:10,626 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 06:46:10,626 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:46:10,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:46:10,641 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:46:10,641 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:46:10,642 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 [] Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:46:10,676 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 06:46:10,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:46:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:46:10,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:46:10,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:46:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:46:10,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:46:10,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:46:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:46:10,878 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 [2020-10-20 06:46:10,879 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 122 transitions. cyclomatic complexity: 31 Second operand 4 states. [2020-10-20 06:46:10,946 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 122 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 98 states and 129 transitions. Complement of second has 6 states. [2020-10-20 06:46:10,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:46:10,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:46:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 122 transitions. [2020-10-20 06:46:10,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 122 transitions. Stem has 37 letters. Loop has 6 letters. [2020-10-20 06:46:10,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:46:10,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 122 transitions. Stem has 43 letters. Loop has 6 letters. [2020-10-20 06:46:10,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:46:10,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 122 transitions. Stem has 37 letters. Loop has 12 letters. [2020-10-20 06:46:10,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:46:10,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 129 transitions. [2020-10-20 06:46:10,954 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:46:10,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 0 states and 0 transitions. [2020-10-20 06:46:10,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:46:10,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:46:10,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:46:10,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:46:10,956 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:46:10,956 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:46:10,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:46:10,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:46:10,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:46:10,957 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-20 06:46:10,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:46:10,957 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 06:46:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 06:46:10,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 06:46:10,958 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:46:10,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:46:10,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:46:10,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:46:10,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:46:10,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:46:10,959 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:46:10,960 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:46:10,960 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:46:10,960 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:46:10,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:46:10,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:46:10,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:46:10,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:46:10 BoogieIcfgContainer [2020-10-20 06:46:10,968 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:46:10,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:46:10,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:46:10,969 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:46:10,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:46:08" (3/4) ... [2020-10-20 06:46:10,973 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:46:10,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:46:10,976 INFO L168 Benchmark]: Toolchain (without parser) took 6081.78 ms. Allocated memory was 35.7 MB in the beginning and 89.7 MB in the end (delta: 54.0 MB). Free memory was 14.5 MB in the beginning and 42.4 MB in the end (delta: -27.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:10,977 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:46:10,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.18 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 13.6 MB in the beginning and 21.4 MB in the end (delta: -7.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:10,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.49 ms. Allocated memory was 45.6 MB in the beginning and 46.1 MB in the end (delta: 524.3 kB). Free memory was 21.4 MB in the beginning and 23.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:10,980 INFO L168 Benchmark]: Boogie Preprocessor took 144.42 ms. Allocated memory is still 46.1 MB. Free memory was 23.9 MB in the beginning and 17.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:10,981 INFO L168 Benchmark]: RCFGBuilder took 2133.60 ms. Allocated memory was 46.1 MB in the beginning and 75.5 MB in the end (delta: 29.4 MB). Free memory was 16.9 MB in the beginning and 28.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 33.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:10,982 INFO L168 Benchmark]: BuchiAutomizer took 2930.98 ms. Allocated memory was 75.5 MB in the beginning and 89.7 MB in the end (delta: 14.2 MB). Free memory was 28.0 MB in the beginning and 42.4 MB in the end (delta: -14.4 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:46:10,983 INFO L168 Benchmark]: Witness Printer took 5.68 ms. Allocated memory is still 89.7 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:46:10,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 707.18 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 13.6 MB in the beginning and 21.4 MB in the end (delta: -7.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 147.49 ms. Allocated memory was 45.6 MB in the beginning and 46.1 MB in the end (delta: 524.3 kB). Free memory was 21.4 MB in the beginning and 23.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 144.42 ms. Allocated memory is still 46.1 MB. Free memory was 23.9 MB in the beginning and 17.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2133.60 ms. Allocated memory was 46.1 MB in the beginning and 75.5 MB in the end (delta: 29.4 MB). Free memory was 16.9 MB in the beginning and 28.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 33.3 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 2930.98 ms. Allocated memory was 75.5 MB in the beginning and 89.7 MB in the end (delta: 14.2 MB). Free memory was 28.0 MB in the beginning and 42.4 MB in the end (delta: -14.4 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 5.68 ms. Allocated memory is still 89.7 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 14.3 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 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. 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 92 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 931 SDtfs, 251 SDslu, 1441 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: 23ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...