./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bf978f501147b566a0f6f3e817c934f24352e71 .................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:46:12,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:46:12,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:46:12,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:46:12,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:46:12,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:46:12,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:46:12,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:46:12,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:46:12,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:46:12,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:46:12,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:46:12,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:46:12,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:46:12,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:46:12,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:46:12,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:46:12,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:46:12,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:46:12,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:46:12,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:46:12,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:46:12,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:46:12,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:46:12,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:46:12,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:46:12,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:46:12,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:46:12,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:46:12,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:46:12,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:46:12,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:46:12,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:46:12,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:46:12,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:46:12,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:46:12,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:46:12,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:46:12,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:46:12,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:46:12,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:46:12,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 06:46:12,655 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:46:12,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:46:12,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:46:12,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:46:12,658 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:46:12,658 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:46:12,658 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:46:12,659 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:46:12,659 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:46:12,659 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:46:12,661 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:46:12,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:46:12,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:46:12,662 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:46:12,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:46:12,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:46:12,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:46:12,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:46:12,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:46:12,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:46:12,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:46:12,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:46:12,665 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:46:12,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:46:12,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:46:12,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:46:12,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:46:12,666 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:46:12,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:46:12,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:46:12,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:46:12,667 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:46:12,669 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:46:12,669 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bf978f501147b566a0f6f3e817c934f24352e71 [2020-10-20 06:46:12,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:46:12,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:46:12,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:46:12,906 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:46:12,907 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:46:12,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-10-20 06:46:12,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73beaa0ee/9c63313415664f2bae4e261e375d02a0/FLAG7b196ab00 [2020-10-20 06:46:13,533 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:46:13,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-10-20 06:46:13,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73beaa0ee/9c63313415664f2bae4e261e375d02a0/FLAG7b196ab00 [2020-10-20 06:46:13,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73beaa0ee/9c63313415664f2bae4e261e375d02a0 [2020-10-20 06:46:13,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:46:13,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:46:13,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:46:13,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:46:13,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:46:13,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:46:13" (1/1) ... [2020-10-20 06:46:13,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c783334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:13, skipping insertion in model container [2020-10-20 06:46:13,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:46:13" (1/1) ... [2020-10-20 06:46:13,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:46:13,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:46:14,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:46:14,339 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:46:14,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:46:14,434 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:46:14,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14 WrapperNode [2020-10-20 06:46:14,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:46:14,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:46:14,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:46:14,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:46:14,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (1/1) ... [2020-10-20 06:46:14,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (1/1) ... [2020-10-20 06:46:14,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:46:14,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:46:14,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:46:14,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:46:14,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (1/1) ... [2020-10-20 06:46:14,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (1/1) ... [2020-10-20 06:46:14,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (1/1) ... [2020-10-20 06:46:14,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (1/1) ... [2020-10-20 06:46:14,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (1/1) ... [2020-10-20 06:46:14,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (1/1) ... [2020-10-20 06:46:14,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (1/1) ... [2020-10-20 06:46:14,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:46:14,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:46:14,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:46:14,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:46:14,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:46:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:46:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 06:46:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:46:14,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:46:14,935 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,945 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,958 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,973 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,981 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,988 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:15,000 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:15,020 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:15,042 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:15,055 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:15,069 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:15,102 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:15,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-10-20 06:46:15,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-10-20 06:46:15,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-10-20 06:46:15,814 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-10-20 06:46:15,814 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2020-10-20 06:46:15,814 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2020-10-20 06:46:15,815 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-10-20 06:46:15,815 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-10-20 06:46:15,815 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2020-10-20 06:46:15,815 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2020-10-20 06:46:15,816 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-20 06:46:15,816 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-20 06:46:15,816 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2020-10-20 06:46:15,816 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2020-10-20 06:46:15,817 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-10-20 06:46:15,830 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-10-20 06:46:15,830 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2020-10-20 06:46:15,830 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2020-10-20 06:46:15,830 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2020-10-20 06:46:15,831 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2020-10-20 06:46:15,831 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-20 06:46:15,831 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-20 06:46:15,831 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2020-10-20 06:46:15,832 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2020-10-20 06:46:15,846 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:46:15,847 INFO L298 CfgBuilder]: Removed 214 assume(true) statements. [2020-10-20 06:46:15,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:46:15 BoogieIcfgContainer [2020-10-20 06:46:15,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:46:15,850 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:46:15,850 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:46:15,853 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:46:15,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:15,854 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:46:13" (1/3) ... [2020-10-20 06:46:15,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@977f242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:46:15, skipping insertion in model container [2020-10-20 06:46:15,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:15,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14" (2/3) ... [2020-10-20 06:46:15,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@977f242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:46:15, skipping insertion in model container [2020-10-20 06:46:15,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:15,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:46:15" (3/3) ... [2020-10-20 06:46:15,858 INFO L373 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2020-10-20 06:46:15,900 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:46:15,901 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:46:15,901 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:46:15,901 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:46:15,901 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:46:15,901 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:46:15,901 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:46:15,902 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:46:15,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 330 states. [2020-10-20 06:46:15,988 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:46:15,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:46:15,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:46:15 BoogieIcfgContainer [2020-10-20 06:46:15,994 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:46:15,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:46:15,995 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:46:15,996 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:46:15,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:46:15" (3/4) ... [2020-10-20 06:46:16,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:46:16,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:46:16,003 INFO L168 Benchmark]: Toolchain (without parser) took 2138.11 ms. Allocated memory was 35.7 MB in the beginning and 53.0 MB in the end (delta: 17.3 MB). Free memory was 14.4 MB in the beginning and 21.7 MB in the end (delta: -7.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:16,006 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:46:16,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.97 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 13.5 MB in the beginning and 19.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:16,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.74 ms. Allocated memory is still 44.0 MB. Free memory was 19.3 MB in the beginning and 24.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:16,010 INFO L168 Benchmark]: Boogie Preprocessor took 68.51 ms. Allocated memory is still 44.0 MB. Free memory was 24.3 MB in the beginning and 20.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:16,011 INFO L168 Benchmark]: RCFGBuilder took 1227.63 ms. Allocated memory was 44.0 MB in the beginning and 53.0 MB in the end (delta: 8.9 MB). Free memory was 20.0 MB in the beginning and 30.7 MB in the end (delta: -10.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:16,013 INFO L168 Benchmark]: BuchiAutomizer took 145.24 ms. Allocated memory is still 53.0 MB. Free memory was 30.7 MB in the beginning and 22.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:16,014 INFO L168 Benchmark]: Witness Printer took 5.45 ms. Allocated memory is still 53.0 MB. Free memory was 22.2 MB in the beginning and 21.7 MB in the end (delta: 414.4 kB). Peak memory consumption was 414.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:46:16,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 563.97 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 13.5 MB in the beginning and 19.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 116.74 ms. Allocated memory is still 44.0 MB. Free memory was 19.3 MB in the beginning and 24.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 68.51 ms. Allocated memory is still 44.0 MB. Free memory was 24.3 MB in the beginning and 20.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1227.63 ms. Allocated memory was 44.0 MB in the beginning and 53.0 MB in the end (delta: 8.9 MB). Free memory was 20.0 MB in the beginning and 30.7 MB in the end (delta: -10.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 145.24 ms. Allocated memory is still 53.0 MB. Free memory was 30.7 MB in the beginning and 22.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. * Witness Printer took 5.45 ms. Allocated memory is still 53.0 MB. Free memory was 22.2 MB in the beginning and 21.7 MB in the end (delta: 414.4 kB). Peak memory consumption was 414.4 kB. Max. memory is 14.3 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 0.1s 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...