./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF --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 b15a3429ae983cb571408e453cffd56861eca4f5fc7e760aad97ad24a44474ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:04:26,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:04:26,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:04:26,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:04:26,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:04:26,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:04:26,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:04:26,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:04:26,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:04:26,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:04:26,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:04:26,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:04:26,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:04:26,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:04:26,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:04:26,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:04:26,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:04:26,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:04:26,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:04:26,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:04:26,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:04:26,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:04:26,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:04:26,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:04:26,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:04:26,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:04:26,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:04:26,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:04:26,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:04:26,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:04:26,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:04:26,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:04:26,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:04:26,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:04:26,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:04:26,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:04:26,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:04:26,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:04:26,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:04:26,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:04:26,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:04:26,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:04:26,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:04:26,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:04:26,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:04:26,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:04:26,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:04:26,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:04:26,812 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:04:26,812 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:04:26,812 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:04:26,813 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:04:26,813 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:04:26,813 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:04:26,813 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:04:26,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:04:26,814 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:04:26,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:04:26,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:04:26,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:04:26,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:04:26,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:04:26,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:04:26,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:04:26,816 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:04:26,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:04:26,816 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:04:26,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:04:26,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:04:26,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:04:26,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:04:26,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:04:26,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:04:26,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:04:26,819 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:04:26,820 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b15a3429ae983cb571408e453cffd56861eca4f5fc7e760aad97ad24a44474ad [2021-11-20 06:04:27,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:04:27,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:04:27,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:04:27,190 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:04:27,192 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:04:27,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2021-11-20 06:04:27,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/data/1729e5019/a189a0033777456692546f827d566aea/FLAGf21dcf441 [2021-11-20 06:04:27,916 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:04:27,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2021-11-20 06:04:27,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/data/1729e5019/a189a0033777456692546f827d566aea/FLAGf21dcf441 [2021-11-20 06:04:28,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/data/1729e5019/a189a0033777456692546f827d566aea [2021-11-20 06:04:28,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:04:28,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:04:28,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:04:28,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:04:28,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:04:28,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:28,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4418333b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28, skipping insertion in model container [2021-11-20 06:04:28,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:28,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:04:28,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:04:28,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c[48585,48598] [2021-11-20 06:04:28,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:04:28,714 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:04:28,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c[48585,48598] [2021-11-20 06:04:28,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:04:28,915 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:04:28,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28 WrapperNode [2021-11-20 06:04:28,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:04:28,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:04:28,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:04:28,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:04:28,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:28,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:29,088 INFO L137 Inliner]: procedures = 41, calls = 76, calls flagged for inlining = 71, calls inlined = 137, statements flattened = 2437 [2021-11-20 06:04:29,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:04:29,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:04:29,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:04:29,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:04:29,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:29,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:29,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:29,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:29,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:29,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:29,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:29,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:04:29,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:04:29,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:04:29,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:04:29,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (1/1) ... [2021-11-20 06:04:29,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:04:29,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:04:29,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:04:29,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:04:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:04:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:04:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:04:29,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:04:29,635 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:04:29,636 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:04:29,647 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,663 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,667 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,672 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,673 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,674 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,679 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,684 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,687 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,690 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,692 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,694 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,697 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,701 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,702 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,703 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,707 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,709 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,710 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,711 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,713 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,715 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,719 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,722 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,724 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,728 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,730 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,732 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,733 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:29,735 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:04:30,693 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##658: assume !false; [2021-11-20 06:04:30,693 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##657: assume false; [2021-11-20 06:04:30,693 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##665: assume !false; [2021-11-20 06:04:30,694 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##664: assume false; [2021-11-20 06:04:30,694 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##683: assume false; [2021-11-20 06:04:30,695 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume !false; [2021-11-20 06:04:30,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2021-11-20 06:04:30,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2021-11-20 06:04:30,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume false; [2021-11-20 06:04:30,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##640: assume !false; [2021-11-20 06:04:30,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-11-20 06:04:30,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-11-20 06:04:30,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-11-20 06:04:30,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-11-20 06:04:30,698 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume !false; [2021-11-20 06:04:30,698 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume false; [2021-11-20 06:04:30,698 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##229: assume !false; [2021-11-20 06:04:30,699 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume false; [2021-11-20 06:04:30,699 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2021-11-20 06:04:30,699 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2021-11-20 06:04:30,700 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##369: assume !false; [2021-11-20 06:04:30,700 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##375: assume !false; [2021-11-20 06:04:30,701 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##374: assume false; [2021-11-20 06:04:30,701 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2021-11-20 06:04:30,702 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2021-11-20 06:04:30,702 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##357: assume false; [2021-11-20 06:04:30,702 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##358: assume !false; [2021-11-20 06:04:30,702 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##368: assume false; [2021-11-20 06:04:30,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume !false; [2021-11-20 06:04:30,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##403: assume false; [2021-11-20 06:04:30,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##427: assume !false; [2021-11-20 06:04:30,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume false; [2021-11-20 06:04:30,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume !false; [2021-11-20 06:04:30,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##435: assume false; [2021-11-20 06:04:30,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##439: assume false; [2021-11-20 06:04:30,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##440: assume !false; [2021-11-20 06:04:30,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2021-11-20 06:04:30,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2021-11-20 06:04:30,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##485: assume !false; [2021-11-20 06:04:30,705 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##484: assume false; [2021-11-20 06:04:30,705 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##524: assume !false; [2021-11-20 06:04:30,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##523: assume false; [2021-11-20 06:04:30,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##558: assume !false; [2021-11-20 06:04:30,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##557: assume false; [2021-11-20 06:04:30,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume !false; [2021-11-20 06:04:30,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##186: assume false; [2021-11-20 06:04:30,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume !false; [2021-11-20 06:04:30,707 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume false; [2021-11-20 06:04:30,707 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume false; [2021-11-20 06:04:30,707 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##145: assume !false; [2021-11-20 06:04:30,707 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2021-11-20 06:04:30,707 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2021-11-20 06:04:30,707 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2021-11-20 06:04:30,708 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2021-11-20 06:04:30,708 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-11-20 06:04:30,708 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-11-20 06:04:30,709 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##588: assume !false; [2021-11-20 06:04:30,709 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##587: assume false; [2021-11-20 06:04:30,709 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2021-11-20 06:04:30,709 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2021-11-20 06:04:30,710 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:04:30,730 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:04:30,730 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:04:30,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:30 BoogieIcfgContainer [2021-11-20 06:04:30,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:04:30,735 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:04:30,735 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:04:30,738 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:04:30,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:04:30,739 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:04:28" (1/3) ... [2021-11-20 06:04:30,741 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@669cb9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:04:30, skipping insertion in model container [2021-11-20 06:04:30,742 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:04:30,742 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:28" (2/3) ... [2021-11-20 06:04:30,742 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@669cb9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:04:30, skipping insertion in model container [2021-11-20 06:04:30,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:04:30,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:30" (3/3) ... [2021-11-20 06:04:30,744 INFO L388 chiAutomizerObserver]: Analyzing ICFG floppy_simpl4.cil-2.c [2021-11-20 06:04:30,807 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:04:30,807 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:04:30,808 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:04:30,808 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:04:30,811 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:04:30,811 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:04:30,811 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:04:30,812 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:04:30,845 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 586 states, 585 states have (on average 1.441025641025641) internal successors, (843), 585 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:04:30,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 06:04:30,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:04:30,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:04:30,917 INFO L842 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, 1, 1] [2021-11-20 06:04:30,917 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-20 06:04:30,917 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:04:30,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 586 states, 585 states have (on average 1.441025641025641) internal successors, (843), 585 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:04:30,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 06:04:30,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:04:30,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:04:30,946 INFO L842 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, 1, 1] [2021-11-20 06:04:30,946 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-20 06:04:30,952 INFO L791 eck$LassoCheckResult]: Stem: 569#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~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; 488#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet90#1, main_#t~nondet91#1, main_#t~nondet92#1, main_#t~nondet93#1, main_#t~nondet94#1, main_#t~nondet95#1, main_#t~nondet96#1, main_#t~ret97#1, main_#t~ret98#1, main_#t~ret99#1, main_#t~ret100#1, main_~tmp_ndt_4~0#1, main_~tmp_ndt_3~0#1, main_~tmp_ndt_2~0#1, main_~tmp_ndt_1~0#1, main_~status~1#1, main_~irp~1#1, main_~pirp~0#1, main_~pirp__IoStatus__Status~0#1, main_~irp_choice~0#1, main_~devobj~0#1, main_~__cil_tmp8~0#1;havoc main_~status~1#1;main_~irp~1#1 := main_#t~nondet90#1;havoc main_#t~nondet90#1;havoc main_~pirp~0#1;havoc main_~pirp__IoStatus__Status~0#1;main_~irp_choice~0#1 := main_#t~nondet91#1;havoc main_#t~nondet91#1;main_~devobj~0#1 := main_#t~nondet92#1;havoc main_#t~nondet92#1;havoc main_~__cil_tmp8~0#1;~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#1 := 0;main_~pirp~0#1 := main_~irp~1#1;assume { :begin_inline__BLAST_init } true;~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 37#L85true assume { :end_inline__BLAST_init } true; 520#L707true assume main_~status~1#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#1 := 0;~myStatus~0 := 0; 51#L716true assume !(0 == main_~irp_choice~0#1); 550#L716-2true assume { :begin_inline_stub_driver_init } true;~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 319#L664true assume { :end_inline_stub_driver_init } true; 26#L724true assume !(main_~status~1#1 < 0);havoc main_~tmp_ndt_1~0#1;main_~tmp_ndt_1~0#1 := main_#t~nondet93#1;havoc main_#t~nondet93#1; 342#L730true assume !(0 == main_~tmp_ndt_1~0#1);havoc main_~tmp_ndt_2~0#1;main_~tmp_ndt_2~0#1 := main_#t~nondet94#1;havoc main_#t~nondet94#1; 574#L735true assume !(1 == main_~tmp_ndt_2~0#1);havoc main_~tmp_ndt_3~0#1;main_~tmp_ndt_3~0#1 := main_#t~nondet95#1;havoc main_#t~nondet95#1; 494#L740true assume !(2 == main_~tmp_ndt_3~0#1);havoc main_~tmp_ndt_4~0#1;main_~tmp_ndt_4~0#1 := main_#t~nondet96#1;havoc main_#t~nondet96#1; 360#L745true assume 3 == main_~tmp_ndt_4~0#1; 379#L746true assume { :begin_inline_FloppyPnp } true;FloppyPnp_#in~DeviceObject#1, FloppyPnp_#in~Irp#1 := main_~devobj~0#1, main_~pirp~0#1;havoc FloppyPnp_#res#1;havoc FloppyPnp_#t~nondet16#1, FloppyPnp_#t~nondet17#1, FloppyPnp_#t~nondet18#1, FloppyPnp_#t~nondet19#1, FloppyPnp_#t~nondet20#1, FloppyPnp_#t~nondet21#1, FloppyPnp_#t~nondet22#1, FloppyPnp_#t~nondet23#1, FloppyPnp_#t~nondet24#1, FloppyPnp_#t~nondet25#1, FloppyPnp_#t~nondet26#1, FloppyPnp_#t~nondet27#1, FloppyPnp_#t~nondet28#1, FloppyPnp_#t~nondet29#1, FloppyPnp_#t~post30#1, FloppyPnp_#t~ret31#1, FloppyPnp_#t~post32#1, FloppyPnp_#t~post33#1, FloppyPnp_#t~ret34#1, FloppyPnp_#t~ret35#1, FloppyPnp_#t~ret36#1, FloppyPnp_#t~post37#1, FloppyPnp_#t~post38#1, FloppyPnp_#t~ret39#1, FloppyPnp_#t~post40#1, FloppyPnp_#t~post41#1, FloppyPnp_#t~ret42#1, FloppyPnp_#t~ret43#1, FloppyPnp_#t~ret44#1, FloppyPnp_#t~post45#1, FloppyPnp_#t~post46#1, FloppyPnp_#t~ret47#1, FloppyPnp_#t~post48#1, FloppyPnp_#t~post49#1, FloppyPnp_#t~ret50#1, FloppyPnp_#t~ret51#1, FloppyPnp_#t~ret52#1, FloppyPnp_#t~post53#1, FloppyPnp_#t~post54#1, FloppyPnp_#t~post55#1, FloppyPnp_#t~ret56#1, FloppyPnp_#t~post57#1, FloppyPnp_~DeviceObject#1, FloppyPnp_~Irp#1, FloppyPnp_~DeviceObject__DeviceExtension~0#1, FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0#1, FloppyPnp_~Irp__IoStatus__Information~1#1, FloppyPnp_~Irp__IoStatus__Status~1#1, FloppyPnp_~Irp__CurrentLocation~0#1, FloppyPnp_~disketteExtension__IsRemoved~0#1, FloppyPnp_~disketteExtension__IsStarted~0#1, FloppyPnp_~disketteExtension__TargetObject~0#1, FloppyPnp_~disketteExtension__HoldNewRequests~0#1, FloppyPnp_~disketteExtension__FloppyThread~0#1, FloppyPnp_~disketteExtension__InterfaceString__Buffer~0#1, FloppyPnp_~disketteExtension__InterfaceString~0#1, FloppyPnp_~disketteExtension__ArcName__Length~0#1, FloppyPnp_~disketteExtension__ArcName~0#1, FloppyPnp_~irpSp__MinorFunction~0#1, FloppyPnp_~IoGetConfigurationInformation__FloppyCount~0#1, FloppyPnp_~irpSp~0#1, FloppyPnp_~disketteExtension~0#1, FloppyPnp_~ntStatus~0#1, FloppyPnp_~doneEvent~0#1, FloppyPnp_~irpSp___0~0#1, FloppyPnp_~nextIrpSp~0#1, FloppyPnp_~nextIrpSp__Control~0#1, FloppyPnp_~irpSp___1~0#1, FloppyPnp_~irpSp__Context~0#1, FloppyPnp_~irpSp__Control~0#1, FloppyPnp_~__cil_tmp29~0#1, FloppyPnp_~__cil_tmp30~0#1;FloppyPnp_~DeviceObject#1 := FloppyPnp_#in~DeviceObject#1;FloppyPnp_~Irp#1 := FloppyPnp_#in~Irp#1;FloppyPnp_~DeviceObject__DeviceExtension~0#1 := FloppyPnp_#t~nondet16#1;havoc FloppyPnp_#t~nondet16#1;FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0#1 := FloppyPnp_#t~nondet17#1;havoc FloppyPnp_#t~nondet17#1;havoc FloppyPnp_~Irp__IoStatus__Information~1#1;havoc FloppyPnp_~Irp__IoStatus__Status~1#1;FloppyPnp_~Irp__CurrentLocation~0#1 := FloppyPnp_#t~nondet18#1;havoc FloppyPnp_#t~nondet18#1;FloppyPnp_~disketteExtension__IsRemoved~0#1 := FloppyPnp_#t~nondet19#1;havoc FloppyPnp_#t~nondet19#1;FloppyPnp_~disketteExtension__IsStarted~0#1 := FloppyPnp_#t~nondet20#1;havoc FloppyPnp_#t~nondet20#1;FloppyPnp_~disketteExtension__TargetObject~0#1 := FloppyPnp_#t~nondet21#1;havoc FloppyPnp_#t~nondet21#1;havoc FloppyPnp_~disketteExtension__HoldNewRequests~0#1;FloppyPnp_~disketteExtension__FloppyThread~0#1 := FloppyPnp_#t~nondet22#1;havoc FloppyPnp_#t~nondet22#1;FloppyPnp_~disketteExtension__InterfaceString__Buffer~0#1 := FloppyPnp_#t~nondet23#1;havoc FloppyPnp_#t~nondet23#1;FloppyPnp_~disketteExtension__InterfaceString~0#1 := FloppyPnp_#t~nondet24#1;havoc FloppyPnp_#t~nondet24#1;FloppyPnp_~disketteExtension__ArcName__Length~0#1 := FloppyPnp_#t~nondet25#1;havoc FloppyPnp_#t~nondet25#1;FloppyPnp_~disketteExtension__ArcName~0#1 := FloppyPnp_#t~nondet26#1;havoc FloppyPnp_#t~nondet26#1;FloppyPnp_~irpSp__MinorFunction~0#1 := FloppyPnp_#t~nondet27#1;havoc FloppyPnp_#t~nondet27#1;FloppyPnp_~IoGetConfigurationInformation__FloppyCount~0#1 := FloppyPnp_#t~nondet28#1;havoc FloppyPnp_#t~nondet28#1;havoc FloppyPnp_~irpSp~0#1;havoc FloppyPnp_~disketteExtension~0#1;havoc FloppyPnp_~ntStatus~0#1;FloppyPnp_~doneEvent~0#1 := FloppyPnp_#t~nondet29#1;havoc FloppyPnp_#t~nondet29#1;havoc FloppyPnp_~irpSp___0~0#1;havoc FloppyPnp_~nextIrpSp~0#1;havoc FloppyPnp_~nextIrpSp__Control~0#1;havoc FloppyPnp_~irpSp___1~0#1;havoc FloppyPnp_~irpSp__Context~0#1;havoc FloppyPnp_~irpSp__Control~0#1;havoc FloppyPnp_~__cil_tmp29~0#1;havoc FloppyPnp_~__cil_tmp30~0#1;FloppyPnp_~ntStatus~0#1 := 0;FloppyPnp_#t~post30#1 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + FloppyPnp_#t~post30#1;havoc FloppyPnp_#t~post30#1; 205#L193true assume !(1 == ~PagingReferenceCount~0); 498#L193-2true FloppyPnp_~disketteExtension~0#1 := FloppyPnp_~DeviceObject__DeviceExtension~0#1;FloppyPnp_~irpSp~0#1 := FloppyPnp_~Irp__Tail__Overlay__CurrentStackLocation~0#1; 82#L198true assume !(0 != FloppyPnp_~disketteExtension__IsRemoved~0#1); 358#L207true assume 0 == FloppyPnp_~irpSp__MinorFunction~0#1; 253#L208true assume { :begin_inline_FloppyStartDevice } true;FloppyStartDevice_#in~DeviceObject#1, FloppyStartDevice_#in~Irp#1 := FloppyPnp_~DeviceObject#1, FloppyPnp_~Irp#1;havoc FloppyStartDevice_#res#1;havoc FloppyStartDevice_#t~nondet58#1, FloppyStartDevice_#t~nondet59#1, FloppyStartDevice_#t~nondet60#1, FloppyStartDevice_#t~nondet61#1, FloppyStartDevice_#t~nondet62#1, FloppyStartDevice_#t~nondet63#1, FloppyStartDevice_#t~nondet64#1, FloppyStartDevice_#t~nondet65#1, FloppyStartDevice_#t~nondet66#1, FloppyStartDevice_#t~nondet67#1, FloppyStartDevice_#t~nondet68#1, FloppyStartDevice_#t~nondet69#1, FloppyStartDevice_#t~nondet70#1, FloppyStartDevice_#t~nondet71#1, FloppyStartDevice_#t~nondet72#1, FloppyStartDevice_#t~nondet73#1, FloppyStartDevice_#t~nondet74#1, FloppyStartDevice_#t~ret75#1, FloppyStartDevice_#t~ret76#1, FloppyStartDevice_#t~ret77#1, FloppyStartDevice_#t~ret78#1, FloppyStartDevice_#t~ret79#1, FloppyStartDevice_#t~post80#1, FloppyStartDevice_#t~ret81#1, FloppyStartDevice_#t~ret82#1, FloppyStartDevice_~DeviceObject#1, FloppyStartDevice_~Irp#1, FloppyStartDevice_~DeviceObject__DeviceExtension~1#1, FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1#1, FloppyStartDevice_~Irp__IoStatus__Status~2#1, FloppyStartDevice_~disketteExtension__TargetObject~1#1, FloppyStartDevice_~disketteExtension__MaxTransferSize~0#1, FloppyStartDevice_~disketteExtension__DriveType~0#1, FloppyStartDevice_~disketteExtension__PerpendicularMode~0#1, FloppyStartDevice_~disketteExtension__DeviceUnit~0#1, FloppyStartDevice_~disketteExtension__DriveOnValue~0#1, FloppyStartDevice_~disketteExtension__UnderlyingPDO~0#1, FloppyStartDevice_~disketteExtension__InterfaceString~1#1, FloppyStartDevice_~disketteExtension__IsStarted~1#1, FloppyStartDevice_~disketteExtension__HoldNewRequests~1#1, FloppyStartDevice_~ntStatus~1#1, FloppyStartDevice_~pnpStatus~0#1, FloppyStartDevice_~doneEvent~1#1, FloppyStartDevice_~fdcInfo~0#1, FloppyStartDevice_~fdcInfo__BufferCount~0#1, FloppyStartDevice_~fdcInfo__BufferSize~0#1, FloppyStartDevice_~fdcInfo__MaxTransferSize~0#1, FloppyStartDevice_~fdcInfo__AcpiBios~0#1, FloppyStartDevice_~fdcInfo__AcpiFdiSupported~0#1, FloppyStartDevice_~fdcInfo__PeripheralNumber~0#1, FloppyStartDevice_~fdcInfo__BusType~0#1, FloppyStartDevice_~fdcInfo__ControllerNumber~0#1, FloppyStartDevice_~fdcInfo__UnitNumber~0#1, FloppyStartDevice_~fdcInfo__BusNumber~0#1, FloppyStartDevice_~Dc~0#1, FloppyStartDevice_~Fp~0#1, FloppyStartDevice_~disketteExtension~1#1, FloppyStartDevice_~irpSp~1#1, FloppyStartDevice_~irpSp___0~1#1, FloppyStartDevice_~nextIrpSp~1#1, FloppyStartDevice_~nextIrpSp__Control~1#1, FloppyStartDevice_~irpSp___1~1#1, FloppyStartDevice_~irpSp__Control~1#1, FloppyStartDevice_~irpSp__Context~1#1, FloppyStartDevice_~InterfaceType~0#1, FloppyStartDevice_~KUSER_SHARED_DATA__AlternativeArchitecture_NEC98x86~0#1, FloppyStartDevice_~__cil_tmp42~0#1, FloppyStartDevice_~__cil_tmp43~0#1, FloppyStartDevice_~__cil_tmp44~0#1, FloppyStartDevice_~__cil_tmp45~0#1, FloppyStartDevice_~__cil_tmp46~0#1, FloppyStartDevice_~__cil_tmp47~0#1, FloppyStartDevice_~__cil_tmp48~0#1, FloppyStartDevice_~__cil_tmp49~0#1;FloppyStartDevice_~DeviceObject#1 := FloppyStartDevice_#in~DeviceObject#1;FloppyStartDevice_~Irp#1 := FloppyStartDevice_#in~Irp#1;FloppyStartDevice_~DeviceObject__DeviceExtension~1#1 := FloppyStartDevice_#t~nondet58#1;havoc FloppyStartDevice_#t~nondet58#1;FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1#1 := FloppyStartDevice_#t~nondet59#1;havoc FloppyStartDevice_#t~nondet59#1;havoc FloppyStartDevice_~Irp__IoStatus__Status~2#1;FloppyStartDevice_~disketteExtension__TargetObject~1#1 := FloppyStartDevice_#t~nondet60#1;havoc FloppyStartDevice_#t~nondet60#1;havoc FloppyStartDevice_~disketteExtension__MaxTransferSize~0#1;FloppyStartDevice_~disketteExtension__DriveType~0#1 := FloppyStartDevice_#t~nondet61#1;havoc FloppyStartDevice_#t~nondet61#1;havoc FloppyStartDevice_~disketteExtension__PerpendicularMode~0#1;havoc FloppyStartDevice_~disketteExtension__DeviceUnit~0#1;havoc FloppyStartDevice_~disketteExtension__DriveOnValue~0#1;FloppyStartDevice_~disketteExtension__UnderlyingPDO~0#1 := FloppyStartDevice_#t~nondet62#1;havoc FloppyStartDevice_#t~nondet62#1;FloppyStartDevice_~disketteExtension__InterfaceString~1#1 := FloppyStartDevice_#t~nondet63#1;havoc FloppyStartDevice_#t~nondet63#1;havoc FloppyStartDevice_~disketteExtension__IsStarted~1#1;havoc FloppyStartDevice_~disketteExtension__HoldNewRequests~1#1;havoc FloppyStartDevice_~ntStatus~1#1;havoc FloppyStartDevice_~pnpStatus~0#1;FloppyStartDevice_~doneEvent~1#1 := FloppyStartDevice_#t~nondet64#1;havoc FloppyStartDevice_#t~nondet64#1;FloppyStartDevice_~fdcInfo~0#1 := FloppyStartDevice_#t~nondet65#1;havoc FloppyStartDevice_#t~nondet65#1;havoc FloppyStartDevice_~fdcInfo__BufferCount~0#1;havoc FloppyStartDevice_~fdcInfo__BufferSize~0#1;FloppyStartDevice_~fdcInfo__MaxTransferSize~0#1 := FloppyStartDevice_#t~nondet66#1;havoc FloppyStartDevice_#t~nondet66#1;FloppyStartDevice_~fdcInfo__AcpiBios~0#1 := FloppyStartDevice_#t~nondet67#1;havoc FloppyStartDevice_#t~nondet67#1;FloppyStartDevice_~fdcInfo__AcpiFdiSupported~0#1 := FloppyStartDevice_#t~nondet68#1;havoc FloppyStartDevice_#t~nondet68#1;FloppyStartDevice_~fdcInfo__PeripheralNumber~0#1 := FloppyStartDevice_#t~nondet69#1;havoc FloppyStartDevice_#t~nondet69#1;havoc FloppyStartDevice_~fdcInfo__BusType~0#1;FloppyStartDevice_~fdcInfo__ControllerNumber~0#1 := FloppyStartDevice_#t~nondet70#1;havoc FloppyStartDevice_#t~nondet70#1;FloppyStartDevice_~fdcInfo__UnitNumber~0#1 := FloppyStartDevice_#t~nondet71#1;havoc FloppyStartDevice_#t~nondet71#1;FloppyStartDevice_~fdcInfo__BusNumber~0#1 := FloppyStartDevice_#t~nondet72#1;havoc FloppyStartDevice_#t~nondet72#1;havoc FloppyStartDevice_~Dc~0#1;havoc FloppyStartDevice_~Fp~0#1;havoc FloppyStartDevice_~disketteExtension~1#1;havoc FloppyStartDevice_~irpSp~1#1;havoc FloppyStartDevice_~irpSp___0~1#1;havoc FloppyStartDevice_~nextIrpSp~1#1;havoc FloppyStartDevice_~nextIrpSp__Control~1#1;havoc FloppyStartDevice_~irpSp___1~1#1;havoc FloppyStartDevice_~irpSp__Control~1#1;havoc FloppyStartDevice_~irpSp__Context~1#1;havoc FloppyStartDevice_~InterfaceType~0#1;FloppyStartDevice_~KUSER_SHARED_DATA__AlternativeArchitecture_NEC98x86~0#1 := FloppyStartDevice_#t~nondet73#1;havoc FloppyStartDevice_#t~nondet73#1;havoc FloppyStartDevice_~__cil_tmp42~0#1;havoc FloppyStartDevice_~__cil_tmp43~0#1;havoc FloppyStartDevice_~__cil_tmp44~0#1;havoc FloppyStartDevice_~__cil_tmp45~0#1;FloppyStartDevice_~__cil_tmp46~0#1 := FloppyStartDevice_#t~nondet74#1;havoc FloppyStartDevice_#t~nondet74#1;havoc FloppyStartDevice_~__cil_tmp47~0#1;havoc FloppyStartDevice_~__cil_tmp48~0#1;havoc FloppyStartDevice_~__cil_tmp49~0#1;FloppyStartDevice_~Dc~0#1 := ~DiskController~0;FloppyStartDevice_~Fp~0#1 := ~FloppyDiskPeripheral~0;FloppyStartDevice_~disketteExtension~1#1 := FloppyStartDevice_~DeviceObject__DeviceExtension~1#1;FloppyStartDevice_~irpSp~1#1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1#1;FloppyStartDevice_~irpSp___0~1#1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1#1;FloppyStartDevice_~nextIrpSp~1#1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1#1 - 1;FloppyStartDevice_~nextIrpSp__Control~1#1 := 0; 287#L491true assume !(~s~0 != ~NP~0); 227#L496true assume !(0 != ~compRegistered~0);~compRegistered~0 := 1; 389#L496-2true FloppyStartDevice_~irpSp___1~1#1 := FloppyStartDevice_~Irp__Tail__Overlay__CurrentStackLocation~1#1 - 1;FloppyStartDevice_~irpSp__Context~1#1 := FloppyStartDevice_~doneEvent~1#1;FloppyStartDevice_~irpSp__Control~1#1 := 224;assume { :begin_inline_IofCallDriver } true;IofCallDriver_#in~DeviceObject#1, IofCallDriver_#in~Irp#1 := FloppyStartDevice_~disketteExtension__TargetObject~1#1, FloppyStartDevice_~Irp#1;havoc IofCallDriver_#res#1;havoc IofCallDriver_#t~nondet107#1, IofCallDriver_#t~ret108#1, IofCallDriver_#t~nondet109#1, IofCallDriver_#t~nondet110#1, IofCallDriver_~tmp_ndt_11~0#1, IofCallDriver_~tmp_ndt_10~0#1, IofCallDriver_~DeviceObject#1, IofCallDriver_~Irp#1, IofCallDriver_~returnVal2~0#1, IofCallDriver_~compRetStatus1~0#1, IofCallDriver_~lcontext~0#1, IofCallDriver_~__cil_tmp7~0#1;IofCallDriver_~DeviceObject#1 := IofCallDriver_#in~DeviceObject#1;IofCallDriver_~Irp#1 := IofCallDriver_#in~Irp#1;havoc IofCallDriver_~returnVal2~0#1;havoc IofCallDriver_~compRetStatus1~0#1;IofCallDriver_~lcontext~0#1 := IofCallDriver_#t~nondet107#1;havoc IofCallDriver_#t~nondet107#1;havoc IofCallDriver_~__cil_tmp7~0#1; 432#L974-4true assume !(0 != ~compRegistered~0); 478#L974-5true havoc IofCallDriver_~tmp_ndt_10~0#1;IofCallDriver_~tmp_ndt_10~0#1 := IofCallDriver_#t~nondet109#1;havoc IofCallDriver_#t~nondet109#1; 52#L989-2true assume 0 == IofCallDriver_~tmp_ndt_10~0#1; 356#L990-2true IofCallDriver_~returnVal2~0#1 := 0; 532#L1009-2true assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0#1; 570#L1026-8true IofCallDriver_#res#1 := IofCallDriver_~returnVal2~0#1; 294#L1036-2true FloppyStartDevice_#t~ret75#1 := IofCallDriver_#res#1;assume { :end_inline_IofCallDriver } true;FloppyStartDevice_~ntStatus~1#1 := FloppyStartDevice_#t~ret75#1;havoc FloppyStartDevice_#t~ret75#1;FloppyStartDevice_~__cil_tmp42~0#1 := FloppyStartDevice_~ntStatus~1#1; 157#L512true assume !(259 == FloppyStartDevice_~__cil_tmp42~0#1); 306#L512-2true FloppyStartDevice_~fdcInfo__BufferCount~0#1 := 0;FloppyStartDevice_~fdcInfo__BufferSize~0#1 := 0;assume { :begin_inline_FlFdcDeviceIo } true;FlFdcDeviceIo_#in~DeviceObject#1, FlFdcDeviceIo_#in~Ioctl#1, FlFdcDeviceIo_#in~Data#1 := FloppyStartDevice_~disketteExtension__TargetObject~1#1, FloppyStartDevice_~__cil_tmp46~0#1, FloppyStartDevice_~fdcInfo~0#1;havoc FlFdcDeviceIo_#res#1;havoc FlFdcDeviceIo_#t~nondet84#1, FlFdcDeviceIo_#t~nondet85#1, FlFdcDeviceIo_#t~nondet86#1, FlFdcDeviceIo_#t~ret87#1, FlFdcDeviceIo_#t~ret88#1, FlFdcDeviceIo_#t~ret89#1, FlFdcDeviceIo_~DeviceObject#1, FlFdcDeviceIo_~Ioctl#1, FlFdcDeviceIo_~Data#1, FlFdcDeviceIo_~ntStatus~2#1, FlFdcDeviceIo_~irp~0#1, FlFdcDeviceIo_~irpStack~0#1, FlFdcDeviceIo_~doneEvent~2#1, FlFdcDeviceIo_~ioStatus~0#1, FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0#1, FlFdcDeviceIo_~irpStack__Parameters__DeviceIoControl__Type3InputBuffer~0#1, FlFdcDeviceIo_~__cil_tmp11~0#1;FlFdcDeviceIo_~DeviceObject#1 := FlFdcDeviceIo_#in~DeviceObject#1;FlFdcDeviceIo_~Ioctl#1 := FlFdcDeviceIo_#in~Ioctl#1;FlFdcDeviceIo_~Data#1 := FlFdcDeviceIo_#in~Data#1;havoc FlFdcDeviceIo_~ntStatus~2#1;havoc FlFdcDeviceIo_~irp~0#1;havoc FlFdcDeviceIo_~irpStack~0#1;FlFdcDeviceIo_~doneEvent~2#1 := FlFdcDeviceIo_#t~nondet84#1;havoc FlFdcDeviceIo_#t~nondet84#1;FlFdcDeviceIo_~ioStatus~0#1 := FlFdcDeviceIo_#t~nondet85#1;havoc FlFdcDeviceIo_#t~nondet85#1;FlFdcDeviceIo_~irp__Tail__Overlay__CurrentStackLocation~0#1 := FlFdcDeviceIo_#t~nondet86#1;havoc FlFdcDeviceIo_#t~nondet86#1;havoc FlFdcDeviceIo_~irpStack__Parameters__DeviceIoControl__Type3InputBuffer~0#1;havoc FlFdcDeviceIo_~__cil_tmp11~0#1;assume { :begin_inline_IoBuildDeviceIoControlRequest } true;IoBuildDeviceIoControlRequest_#in~IoControlCode#1, IoBuildDeviceIoControlRequest_#in~DeviceObject#1, IoBuildDeviceIoControlRequest_#in~InputBuffer#1, IoBuildDeviceIoControlRequest_#in~InputBufferLength#1, IoBuildDeviceIoControlRequest_#in~OutputBuffer#1, IoBuildDeviceIoControlRequest_#in~OutputBufferLength#1, IoBuildDeviceIoControlRequest_#in~InternalDeviceIoControl#1, IoBuildDeviceIoControlRequest_#in~Event#1, IoBuildDeviceIoControlRequest_#in~IoStatusBlock#1 := FlFdcDeviceIo_~Ioctl#1, FlFdcDeviceIo_~DeviceObject#1, 0, 0, 0, 0, 1, FlFdcDeviceIo_~doneEvent~2#1, FlFdcDeviceIo_~ioStatus~0#1;havoc IoBuildDeviceIoControlRequest_#res#1;havoc IoBuildDeviceIoControlRequest_#t~nondet101#1, IoBuildDeviceIoControlRequest_#t~nondet102#1, IoBuildDeviceIoControlRequest_~tmp_ndt_5~0#1, IoBuildDeviceIoControlRequest_~IoControlCode#1, IoBuildDeviceIoControlRequest_~DeviceObject#1, IoBuildDeviceIoControlRequest_~InputBuffer#1, IoBuildDeviceIoControlRequest_~InputBufferLength#1, IoBuildDeviceIoControlRequest_~OutputBuffer#1, IoBuildDeviceIoControlRequest_~OutputBufferLength#1, IoBuildDeviceIoControlRequest_~InternalDeviceIoControl#1, IoBuildDeviceIoControlRequest_~Event#1, IoBuildDeviceIoControlRequest_~IoStatusBlock#1, IoBuildDeviceIoControlRequest_~malloc~0#1;IoBuildDeviceIoControlRequest_~IoControlCode#1 := IoBuildDeviceIoControlRequest_#in~IoControlCode#1;IoBuildDeviceIoControlRequest_~DeviceObject#1 := IoBuildDeviceIoControlRequest_#in~DeviceObject#1;IoBuildDeviceIoControlRequest_~InputBuffer#1 := IoBuildDeviceIoControlRequest_#in~InputBuffer#1;IoBuildDeviceIoControlRequest_~InputBufferLength#1 := IoBuildDeviceIoControlRequest_#in~InputBufferLength#1;IoBuildDeviceIoControlRequest_~OutputBuffer#1 := IoBuildDeviceIoControlRequest_#in~OutputBuffer#1;IoBuildDeviceIoControlRequest_~OutputBufferLength#1 := IoBuildDeviceIoControlRequest_#in~OutputBufferLength#1;IoBuildDeviceIoControlRequest_~InternalDeviceIoControl#1 := IoBuildDeviceIoControlRequest_#in~InternalDeviceIoControl#1;IoBuildDeviceIoControlRequest_~Event#1 := IoBuildDeviceIoControlRequest_#in~Event#1;IoBuildDeviceIoControlRequest_~IoStatusBlock#1 := IoBuildDeviceIoControlRequest_#in~IoStatusBlock#1;IoBuildDeviceIoControlRequest_~malloc~0#1 := IoBuildDeviceIoControlRequest_#t~nondet101#1;havoc IoBuildDeviceIoControlRequest_#t~nondet101#1;~customIrp~0 := 1;havoc IoBuildDeviceIoControlRequest_~tmp_ndt_5~0#1;IoBuildDeviceIoControlRequest_~tmp_ndt_5~0#1 := IoBuildDeviceIoControlRequest_#t~nondet102#1;havoc IoBuildDeviceIoControlRequest_#t~nondet102#1; 130#L850true assume 0 == IoBuildDeviceIoControlRequest_~tmp_ndt_5~0#1; 526#L851true IoBuildDeviceIoControlRequest_#res#1 := IoBuildDeviceIoControlRequest_~malloc~0#1; 412#L840true FlFdcDeviceIo_#t~ret87#1 := IoBuildDeviceIoControlRequest_#res#1;assume { :end_inline_IoBuildDeviceIoControlRequest } true;FlFdcDeviceIo_~irp~0#1 := FlFdcDeviceIo_#t~ret87#1;havoc FlFdcDeviceIo_#t~ret87#1; 339#L627true assume 0 == FlFdcDeviceIo_~irp~0#1;FlFdcDeviceIo_#res#1 := -1073741670; 250#L644true FloppyStartDevice_#t~ret77#1 := FlFdcDeviceIo_#res#1;assume { :end_inline_FlFdcDeviceIo } true;FloppyStartDevice_~ntStatus~1#1 := FloppyStartDevice_#t~ret77#1;havoc FloppyStartDevice_#t~ret77#1; 491#L528true assume FloppyStartDevice_~ntStatus~1#1 >= 0;FloppyStartDevice_~disketteExtension__MaxTransferSize~0#1 := FloppyStartDevice_~fdcInfo__MaxTransferSize~0#1; 322#L530true assume !(0 != FloppyStartDevice_~fdcInfo__AcpiBios~0#1); 331#L543true assume !(4 == FloppyStartDevice_~disketteExtension__DriveType~0#1); 400#L544-1true FloppyStartDevice_~InterfaceType~0#1 := 0; 161#L550-2true [2021-11-20 06:04:30,954 INFO L793 eck$LassoCheckResult]: Loop: 161#L550-2true assume !false; 185#L551true assume !(FloppyStartDevice_~InterfaceType~0#1 >= ~MaximumInterfaceType~0);FloppyStartDevice_~fdcInfo__BusType~0#1 := FloppyStartDevice_~InterfaceType~0#1;assume { :begin_inline_IoQueryDeviceDescription } true;IoQueryDeviceDescription_#in~BusType#1, IoQueryDeviceDescription_#in~BusNumber#1, IoQueryDeviceDescription_#in~ControllerType#1, IoQueryDeviceDescription_#in~ControllerNumber#1, IoQueryDeviceDescription_#in~PeripheralType#1, IoQueryDeviceDescription_#in~PeripheralNumber#1, IoQueryDeviceDescription_#in~CalloutRoutine#1, IoQueryDeviceDescription_#in~Context#1 := FloppyStartDevice_~fdcInfo__BusType~0#1, FloppyStartDevice_~fdcInfo__BusNumber~0#1, FloppyStartDevice_~Dc~0#1, FloppyStartDevice_~fdcInfo__ControllerNumber~0#1, FloppyStartDevice_~Fp~0#1, FloppyStartDevice_~fdcInfo__PeripheralNumber~0#1, ~FlConfigCallBack~0, FloppyStartDevice_~disketteExtension~1#1;havoc IoQueryDeviceDescription_#res#1;havoc IoQueryDeviceDescription_#t~nondet104#1, IoQueryDeviceDescription_~tmp_ndt_7~0#1, IoQueryDeviceDescription_~BusType#1, IoQueryDeviceDescription_~BusNumber#1, IoQueryDeviceDescription_~ControllerType#1, IoQueryDeviceDescription_~ControllerNumber#1, IoQueryDeviceDescription_~PeripheralType#1, IoQueryDeviceDescription_~PeripheralNumber#1, IoQueryDeviceDescription_~CalloutRoutine#1, IoQueryDeviceDescription_~Context#1;IoQueryDeviceDescription_~BusType#1 := IoQueryDeviceDescription_#in~BusType#1;IoQueryDeviceDescription_~BusNumber#1 := IoQueryDeviceDescription_#in~BusNumber#1;IoQueryDeviceDescription_~ControllerType#1 := IoQueryDeviceDescription_#in~ControllerType#1;IoQueryDeviceDescription_~ControllerNumber#1 := IoQueryDeviceDescription_#in~ControllerNumber#1;IoQueryDeviceDescription_~PeripheralType#1 := IoQueryDeviceDescription_#in~PeripheralType#1;IoQueryDeviceDescription_~PeripheralNumber#1 := IoQueryDeviceDescription_#in~PeripheralNumber#1;IoQueryDeviceDescription_~CalloutRoutine#1 := IoQueryDeviceDescription_#in~CalloutRoutine#1;IoQueryDeviceDescription_~Context#1 := IoQueryDeviceDescription_#in~Context#1;havoc IoQueryDeviceDescription_~tmp_ndt_7~0#1;IoQueryDeviceDescription_~tmp_ndt_7~0#1 := IoQueryDeviceDescription_#t~nondet104#1;havoc IoQueryDeviceDescription_#t~nondet104#1; 32#L894true assume !(0 == IoQueryDeviceDescription_~tmp_ndt_7~0#1); 449#L897true IoQueryDeviceDescription_#res#1 := -1073741823; 442#L886true FloppyStartDevice_#t~ret79#1 := IoQueryDeviceDescription_#res#1;assume { :end_inline_IoQueryDeviceDescription } true;FloppyStartDevice_~ntStatus~1#1 := FloppyStartDevice_#t~ret79#1;havoc FloppyStartDevice_#t~ret79#1; 530#L562true assume !(FloppyStartDevice_~ntStatus~1#1 >= 0);FloppyStartDevice_#t~post80#1 := FloppyStartDevice_~InterfaceType~0#1;FloppyStartDevice_~InterfaceType~0#1 := 1 + FloppyStartDevice_#t~post80#1;havoc FloppyStartDevice_#t~post80#1; 161#L550-2true [2021-11-20 06:04:30,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:04:30,971 INFO L85 PathProgramCache]: Analyzing trace with hash 686932840, now seen corresponding path program 1 times [2021-11-20 06:04:30,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:04:30,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949100137] [2021-11-20 06:04:30,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:04:30,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:04:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:31,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:04:31,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:04:31,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949100137] [2021-11-20 06:04:31,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949100137] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:04:31,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:04:31,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:04:31,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928578476] [2021-11-20 06:04:31,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:04:31,267 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:04:31,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:04:31,268 INFO L85 PathProgramCache]: Analyzing trace with hash 323323089, now seen corresponding path program 1 times [2021-11-20 06:04:31,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:04:31,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865526394] [2021-11-20 06:04:31,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:04:31,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:04:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:04:31,294 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:04:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:04:31,352 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:04:31,680 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:04:31,681 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:04:31,681 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:04:31,681 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:04:31,682 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:04:31,682 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:04:31,682 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:04:31,683 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:04:31,683 INFO L133 ssoRankerPreferences]: Filename of dumped script: floppy_simpl4.cil-2.c_Iteration1_Loop [2021-11-20 06:04:31,683 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:04:31,683 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:04:31,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:31,969 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:04:31,969 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:04:31,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:04:31,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:04:31,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:04:32,010 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:04:32,010 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:04:32,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:04:32,045 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:04:32,045 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_IoQueryDeviceDescription_#t~nondet104#1=0} Honda state: {ULTIMATE.start_IoQueryDeviceDescription_#t~nondet104#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:04:32,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:04:32,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:04:32,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:04:32,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:04:32,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:04:32,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:04:32,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:04:32,138 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:04:32,138 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_IoQueryDeviceDescription_~tmp_ndt_7~0#1=4} Honda state: {ULTIMATE.start_IoQueryDeviceDescription_~tmp_ndt_7~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:04:32,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:04:32,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:04:32,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:04:32,194 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:04:32,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:04:32,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:04:32,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:04:32,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-20 06:04:32,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:04:32,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:04:32,248 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:04:32,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:04:32,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:04:32,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:04:32,686 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:04:32,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-20 06:04:32,690 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:04:32,691 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:04:32,691 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:04:32,691 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:04:32,691 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:04:32,691 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:04:32,691 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:04:32,691 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:04:32,691 INFO L133 ssoRankerPreferences]: Filename of dumped script: floppy_simpl4.cil-2.c_Iteration1_Loop [2021-11-20 06:04:32,691 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:04:32,691 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:04:32,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:04:32,972 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:04:32,976 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:04:32,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:04:32,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:04:32,979 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:04:32,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:04:32,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:04:33,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:04:33,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:04:33,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:04:33,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:04:33,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:04:33,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:04:33,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:04:33,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:04:33,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:04:33,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:04:33,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:04:33,065 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:04:33,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:04:33,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:04:33,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:04:33,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:04:33,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:04:33,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:04:33,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:04:33,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:04:33,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:04:33,088 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:04:33,117 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-20 06:04:33,117 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-20 06:04:33,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:04:33,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:04:33,134 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:04:33,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:04:33,142 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:04:33,142 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 06:04:33,142 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:04:33,143 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_FloppyStartDevice_~InterfaceType~0#1, ~MaximumInterfaceType~0) = -1*ULTIMATE.start_FloppyStartDevice_~InterfaceType~0#1 + 1*~MaximumInterfaceType~0 Supporting invariants [] [2021-11-20 06:04:33,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:04:33,183 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 06:04:33,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:04:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:33,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:04:33,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:04:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:33,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:04:33,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:04:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:04:33,540 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 [2021-11-20 06:04:33,543 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 586 states, 585 states have (on average 1.441025641025641) internal successors, (843), 585 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:04:33,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:04:33,817 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 586 states, 585 states have (on average 1.441025641025641) internal successors, (843), 585 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1183 states and 1684 transitions. Complement of second has 7 states. [2021-11-20 06:04:33,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:04:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:04:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1519 transitions. [2021-11-20 06:04:33,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1519 transitions. Stem has 39 letters. Loop has 6 letters. [2021-11-20 06:04:33,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:04:33,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1519 transitions. Stem has 45 letters. Loop has 6 letters. [2021-11-20 06:04:33,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:04:33,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1519 transitions. Stem has 39 letters. Loop has 12 letters. [2021-11-20 06:04:33,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:04:33,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1183 states and 1684 transitions. [2021-11-20 06:04:33,865 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:04:33,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1183 states to 0 states and 0 transitions. [2021-11-20 06:04:33,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:04:33,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:04:33,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:04:33,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:04:33,870 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:04:33,870 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:04:33,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:04:33,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:04:33,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:04:33,876 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:04:33,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:04:33,880 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-20 06:04:33,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:04:33,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-20 06:04:33,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:04:33,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:04:33,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:04:33,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:04:33,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:04:33,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:04:33,882 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:04:33,882 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:04:33,883 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:04:33,883 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:04:33,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:04:33,883 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:04:33,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:04:33,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:04:33 BoogieIcfgContainer [2021-11-20 06:04:33,891 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:04:33,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:04:33,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:04:33,892 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:04:33,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:30" (3/4) ... [2021-11-20 06:04:33,897 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:04:33,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:04:33,900 INFO L158 Benchmark]: Toolchain (without parser) took 5730.43ms. Allocated memory was 88.1MB in the beginning and 163.6MB in the end (delta: 75.5MB). Free memory was 49.5MB in the beginning and 106.8MB in the end (delta: -57.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-20 06:04:33,902 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory was 67.1MB in the beginning and 67.0MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:04:33,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.81ms. Allocated memory is still 88.1MB. Free memory was 49.3MB in the beginning and 51.6MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:04:33,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 170.25ms. Allocated memory is still 88.1MB. Free memory was 51.6MB in the beginning and 42.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:04:33,910 INFO L158 Benchmark]: Boogie Preprocessor took 113.47ms. Allocated memory is still 88.1MB. Free memory was 42.8MB in the beginning and 36.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:04:33,911 INFO L158 Benchmark]: RCFGBuilder took 1530.87ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 36.6MB in the beginning and 60.2MB in the end (delta: -23.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-11-20 06:04:33,912 INFO L158 Benchmark]: BuchiAutomizer took 3156.51ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 60.2MB in the beginning and 107.8MB in the end (delta: -47.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:04:33,913 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 163.6MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:04:33,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory was 67.1MB in the beginning and 67.0MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.81ms. Allocated memory is still 88.1MB. Free memory was 49.3MB in the beginning and 51.6MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 170.25ms. Allocated memory is still 88.1MB. Free memory was 51.6MB in the beginning and 42.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.47ms. Allocated memory is still 88.1MB. Free memory was 42.8MB in the beginning and 36.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1530.87ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 36.6MB in the beginning and 60.2MB in the end (delta: -23.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3156.51ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 60.2MB in the beginning and 107.8MB in the end (delta: -47.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 163.6MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function MaximumInterfaceType + -1 * InterfaceType and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 858 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 857 mSDsluCounter, 1035 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 850 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital73 mio100 ax100 hnf100 lsp26 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq194 hnf89 smp100 dnf100 smp100 tf106 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 06:04:33,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b456161f-c3cb-4596-95af-c5b220864a2d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE