./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e107441daffe219fcef86523aff14082b11c5fb6 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:46,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:46,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:46,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:46,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:46,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:46,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:46,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:46,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:46,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:46,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:46,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:46,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:46,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:46,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:46,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:46,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:46,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:46,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:46,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:46,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:46,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:46,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:46,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:46,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:46,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:46,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:46,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:46,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:46,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:46,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:46,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:46,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:46,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:46,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:46,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:46,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:46,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:46,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:46,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:46,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:46,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:56:46,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:46,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:46,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:46,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:46,567 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:46,567 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:46,567 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:46,567 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:46,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:46,568 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:46,568 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:46,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:46,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:46,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:46,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:46,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:46,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:46,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:46,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:46,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:46,570 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:46,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:46,570 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:46,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:46,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:46,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:46,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:46,571 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:46,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:46,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:46,571 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:46,572 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:46,572 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e107441daffe219fcef86523aff14082b11c5fb6 [2019-10-22 08:56:46,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:46,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:46,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:46,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:46,611 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:46,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-10-22 08:56:46,661 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/data/d6f89b70b/3ed3c194400b4337ba211f564c0a2518/FLAGe9fdfb6b1 [2019-10-22 08:56:47,106 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:47,108 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-10-22 08:56:47,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/data/d6f89b70b/3ed3c194400b4337ba211f564c0a2518/FLAGe9fdfb6b1 [2019-10-22 08:56:47,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/data/d6f89b70b/3ed3c194400b4337ba211f564c0a2518 [2019-10-22 08:56:47,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:47,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:47,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:47,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:47,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:47,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0c5f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47, skipping insertion in model container [2019-10-22 08:56:47,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,155 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:47,189 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:47,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:47,472 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:47,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:47,552 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:47,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47 WrapperNode [2019-10-22 08:56:47,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:47,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:47,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:47,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:47,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:47,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:47,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:47,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:47,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:47,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:47,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:47,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:47,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a6d0de3-0a2e-4d4d-915f-17315834fde1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:47,947 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:47,953 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:47,960 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:47,967 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:47,971 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:47,975 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:47,980 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:47,985 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:47,990 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:47,994 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:47,998 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:48,009 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:48,762 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2019-10-22 08:56:48,762 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2019-10-22 08:56:48,762 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2019-10-22 08:56:48,762 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2019-10-22 08:56:48,763 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2019-10-22 08:56:48,763 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2019-10-22 08:56:48,763 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2019-10-22 08:56:48,763 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2019-10-22 08:56:48,763 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2019-10-22 08:56:48,763 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2019-10-22 08:56:48,763 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-10-22 08:56:48,763 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-10-22 08:56:48,764 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2019-10-22 08:56:48,764 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2019-10-22 08:56:48,764 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2019-10-22 08:56:48,764 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2019-10-22 08:56:48,764 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2019-10-22 08:56:48,764 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2019-10-22 08:56:48,764 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2019-10-22 08:56:48,764 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2019-10-22 08:56:48,765 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-10-22 08:56:48,765 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-10-22 08:56:48,766 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2019-10-22 08:56:48,766 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2019-10-22 08:56:48,767 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:48,767 INFO L284 CfgBuilder]: Removed 154 assume(true) statements. [2019-10-22 08:56:48,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:48 BoogieIcfgContainer [2019-10-22 08:56:48,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:48,770 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:48,770 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:48,773 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:48,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:48,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:47" (1/3) ... [2019-10-22 08:56:48,775 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dd7d92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:48, skipping insertion in model container [2019-10-22 08:56:48,775 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:48,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (2/3) ... [2019-10-22 08:56:48,776 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dd7d92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:48, skipping insertion in model container [2019-10-22 08:56:48,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:48,776 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:48" (3/3) ... [2019-10-22 08:56:48,778 INFO L371 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2019-10-22 08:56:48,824 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:48,824 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:48,824 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:48,824 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:48,824 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:48,824 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:48,824 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:48,824 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:48,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 300 states. [2019-10-22 08:56:48,891 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:48,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:56:48,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:56:48 BoogieIcfgContainer [2019-10-22 08:56:48,898 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:56:48,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:48,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:48,899 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:48,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:48" (3/4) ... [2019-10-22 08:56:48,902 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:48,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:48,904 INFO L168 Benchmark]: Toolchain (without parser) took 1763.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.5 MB in the beginning and 1.0 GB in the end (delta: -65.4 MB). Peak memory consumption was 76.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,905 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:48,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,907 INFO L168 Benchmark]: Boogie Preprocessor took 73.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,908 INFO L168 Benchmark]: RCFGBuilder took 1055.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,909 INFO L168 Benchmark]: BuchiAutomizer took 128.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,910 INFO L168 Benchmark]: Witness Printer took 3.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:48,912 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 411.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1055.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 128.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...