./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e0d5536f9cd1f3a5d711f95a0369e25308fe790 .................................................................................................................................................................................................................................................. 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 06:46:12,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:46:12,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:46:12,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:46:12,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:46:12,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:46:12,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:46:12,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:46:12,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:46:12,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:46:12,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:46:12,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:46:12,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:46:12,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:46:12,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:46:12,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:46:12,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:46:12,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:46:12,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:46:12,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:46:12,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:46:12,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:46:12,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:46:12,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:46:12,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:46:12,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:46:12,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:46:12,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:46:12,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:46:12,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:46:12,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:46:12,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:46:12,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:46:12,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:46:12,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:46:12,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:46:12,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:46:12,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:46:12,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:46:12,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:46:12,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:46:12,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 06:46:12,431 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:46:12,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:46:12,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:46:12,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:46:12,435 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:46:12,435 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:46:12,435 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:46:12,435 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:46:12,436 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:46:12,436 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:46:12,437 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:46:12,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:46:12,437 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:46:12,438 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:46:12,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:46:12,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:46:12,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:46:12,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:46:12,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:46:12,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:46:12,439 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:46:12,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:46:12,440 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:46:12,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:46:12,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:46:12,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:46:12,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:46:12,441 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:46:12,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:46:12,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:46:12,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:46:12,442 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:46:12,443 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:46:12,444 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 -> 3e0d5536f9cd1f3a5d711f95a0369e25308fe790 [2020-10-20 06:46:12,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:46:12,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:46:12,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:46:12,679 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:46:12,680 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:46:12,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-20 06:46:12,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d32303d3/2c5beb95aafc4c958b6c6637b358c53a/FLAG704e46927 [2020-10-20 06:46:13,332 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:46:13,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-20 06:46:13,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d32303d3/2c5beb95aafc4c958b6c6637b358c53a/FLAG704e46927 [2020-10-20 06:46:13,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d32303d3/2c5beb95aafc4c958b6c6637b358c53a [2020-10-20 06:46:13,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:46:13,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:46:13,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:46:13,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:46:13,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:46:13,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:46:13" (1/1) ... [2020-10-20 06:46:13,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6429f6 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 06:46:13,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:46:13" (1/1) ... [2020-10-20 06:46:13,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:46:13,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:46:14,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:46:14,124 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:46:14,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:46:14,257 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:46:14,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:14 WrapperNode [2020-10-20 06:46:14,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:46:14,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:46:14,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:46:14,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:46:14,270 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 06:46:14,300 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 06:46:14,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:46:14,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:46:14,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:46:14,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:46:14,378 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 06:46:14,381 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 06:46:14,391 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 06:46:14,392 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 06:46:14,426 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 06:46:14,450 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 06:46:14,460 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 06:46:14,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:46:14,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:46:14,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:46:14,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:46:14,481 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 06:46:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:46:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 06:46:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:46:14,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:46:14,769 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,813 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,824 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,840 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,859 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,872 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,892 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,901 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,914 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,921 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,926 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:14,939 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:15,705 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-10-20 06:46:15,705 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-10-20 06:46:15,706 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-10-20 06:46:15,706 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-10-20 06:46:15,706 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2020-10-20 06:46:15,706 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2020-10-20 06:46:15,706 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-10-20 06:46:15,707 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-10-20 06:46:15,707 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2020-10-20 06:46:15,707 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2020-10-20 06:46:15,707 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-20 06:46:15,707 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-20 06:46:15,708 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2020-10-20 06:46:15,708 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2020-10-20 06:46:15,708 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-10-20 06:46:15,708 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-10-20 06:46:15,708 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2020-10-20 06:46:15,709 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2020-10-20 06:46:15,709 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2020-10-20 06:46:15,709 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2020-10-20 06:46:15,709 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-20 06:46:15,709 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-20 06:46:15,709 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2020-10-20 06:46:15,710 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2020-10-20 06:46:15,726 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:46:15,726 INFO L298 CfgBuilder]: Removed 210 assume(true) statements. [2020-10-20 06:46:15,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:46:15 BoogieIcfgContainer [2020-10-20 06:46:15,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:46:15,730 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:46:15,730 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:46:15,734 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:46:15,735 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:15,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:46:13" (1/3) ... [2020-10-20 06:46:15,737 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cac16ea 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 06:46:15,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:15,737 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 06:46:15,737 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cac16ea 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 06:46:15,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:15,738 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 06:46:15,740 INFO L373 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2020-10-20 06:46:15,791 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:46:15,792 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:46:15,792 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:46:15,792 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:46:15,792 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:46:15,792 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:46:15,792 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:46:15,792 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:46:15,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 328 states. [2020-10-20 06:46:15,867 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:46:15,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:46:15,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:46:15 BoogieIcfgContainer [2020-10-20 06:46:15,873 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:46:15,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:46:15,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:46:15,874 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:46:15,874 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 06:46:15,879 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:46:15,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:46:15,882 INFO L168 Benchmark]: Toolchain (without parser) took 2220.91 ms. Allocated memory was 40.9 MB in the beginning and 55.6 MB in the end (delta: 14.7 MB). Free memory was 18.5 MB in the beginning and 13.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 19.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:15,885 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 31.5 MB. Free memory was 7.4 MB in the beginning and 7.4 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:46:15,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.41 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 17.6 MB in the beginning and 22.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:15,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.95 ms. Allocated memory is still 43.0 MB. Free memory was 22.2 MB in the beginning and 16.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:15,889 INFO L168 Benchmark]: Boogie Preprocessor took 114.67 ms. Allocated memory is still 43.0 MB. Free memory was 16.2 MB in the beginning and 12.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:15,890 INFO L168 Benchmark]: RCFGBuilder took 1249.18 ms. Allocated memory was 43.0 MB in the beginning and 55.6 MB in the end (delta: 12.6 MB). Free memory was 12.0 MB in the beginning and 22.6 MB in the end (delta: -10.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:15,892 INFO L168 Benchmark]: BuchiAutomizer took 142.98 ms. Allocated memory is still 55.6 MB. Free memory was 22.6 MB in the beginning and 14.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:15,893 INFO L168 Benchmark]: Witness Printer took 6.31 ms. Allocated memory is still 55.6 MB. Free memory was 14.0 MB in the beginning and 13.5 MB in the end (delta: 446.1 kB). Peak memory consumption was 446.1 kB. Max. memory is 14.3 GB. [2020-10-20 06:46:15,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 31.5 MB. Free memory was 7.4 MB in the beginning and 7.4 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 592.41 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 17.6 MB in the beginning and 22.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 103.95 ms. Allocated memory is still 43.0 MB. Free memory was 22.2 MB in the beginning and 16.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 114.67 ms. Allocated memory is still 43.0 MB. Free memory was 16.2 MB in the beginning and 12.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1249.18 ms. Allocated memory was 43.0 MB in the beginning and 55.6 MB in the end (delta: 12.6 MB). Free memory was 12.0 MB in the beginning and 22.6 MB in the end (delta: -10.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 142.98 ms. Allocated memory is still 55.6 MB. Free memory was 22.6 MB in the beginning and 14.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. * Witness Printer took 6.31 ms. Allocated memory is still 55.6 MB. Free memory was 14.0 MB in the beginning and 13.5 MB in the end (delta: 446.1 kB). Peak memory consumption was 446.1 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 0.0s 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...