./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 54858612 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_1.5.800.v20200727-1323.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 0.2.0-5485861 [2020-10-26 04:28:19,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:28:19,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:28:19,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:28:19,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:28:19,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:28:19,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:28:19,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:28:19,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:28:19,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:28:19,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:28:19,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:28:19,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:28:19,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:28:19,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:28:19,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:28:19,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:28:19,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:28:19,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:28:19,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:28:19,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:28:19,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:28:19,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:28:19,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:28:19,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:28:19,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:28:19,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:28:19,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:28:19,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:28:19,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:28:19,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:28:19,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:28:19,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:28:19,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:28:19,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:28:19,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:28:19,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:28:19,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:28:19,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:28:19,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:28:19,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:28:19,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:28:19,557 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:28:19,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:28:19,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:28:19,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:28:19,561 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:28:19,561 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:28:19,562 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:28:19,562 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:28:19,562 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:28:19,562 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:28:19,563 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:28:19,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:28:19,564 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:28:19,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:28:19,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:28:19,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:28:19,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:28:19,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:28:19,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:28:19,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:28:19,566 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:28:19,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:28:19,566 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:28:19,566 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:28:19,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:28:19,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:28:19,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:28:19,568 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:28:19,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:28:19,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:28:19,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:28:19,569 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:28:19,571 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:28:19,571 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bf978f501147b566a0f6f3e817c934f24352e71 [2020-10-26 04:28:19,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:28:20,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:28:20,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:28:20,032 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:28:20,034 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:28:20,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-10-26 04:28:20,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f260d6656/94d94f5ccf7f410f9b786606a7b7a0f6/FLAGc548bb75f [2020-10-26 04:28:20,814 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:28:20,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-10-26 04:28:20,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f260d6656/94d94f5ccf7f410f9b786606a7b7a0f6/FLAGc548bb75f [2020-10-26 04:28:21,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f260d6656/94d94f5ccf7f410f9b786606a7b7a0f6 [2020-10-26 04:28:21,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:28:21,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:28:21,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:28:21,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:28:21,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:28:21,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c8cddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21, skipping insertion in model container [2020-10-26 04:28:21,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:28:21,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:28:21,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:28:21,546 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:28:21,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:28:21,663 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:28:21,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21 WrapperNode [2020-10-26 04:28:21,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:28:21,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:28:21,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:28:21,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:28:21,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:28:21,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:28:21,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:28:21,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:28:21,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (1/1) ... [2020-10-26 04:28:21,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:28:21,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:28:21,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:28:21,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:28:21,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (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 [2020-10-26 04:28:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:28:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:28:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:28:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:28:22,297 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,302 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,307 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,313 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,315 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,330 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,336 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,346 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,348 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,352 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,355 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,365 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:23,400 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-10-26 04:28:23,401 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-10-26 04:28:23,401 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-10-26 04:28:23,401 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-10-26 04:28:23,401 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2020-10-26 04:28:23,402 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2020-10-26 04:28:23,402 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-10-26 04:28:23,402 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-10-26 04:28:23,402 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2020-10-26 04:28:23,402 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2020-10-26 04:28:23,402 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-26 04:28:23,403 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-26 04:28:23,403 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2020-10-26 04:28:23,403 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2020-10-26 04:28:23,403 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-10-26 04:28:23,403 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-10-26 04:28:23,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2020-10-26 04:28:23,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2020-10-26 04:28:23,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2020-10-26 04:28:23,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2020-10-26 04:28:23,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-26 04:28:23,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-26 04:28:23,405 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2020-10-26 04:28:23,405 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2020-10-26 04:28:23,419 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:28:23,419 INFO L298 CfgBuilder]: Removed 214 assume(true) statements. [2020-10-26 04:28:23,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:28:23 BoogieIcfgContainer [2020-10-26 04:28:23,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:28:23,423 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:28:23,423 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:28:23,427 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:28:23,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:28:23,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:28:21" (1/3) ... [2020-10-26 04:28:23,429 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a351ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:28:23, skipping insertion in model container [2020-10-26 04:28:23,429 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:28:23,429 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21" (2/3) ... [2020-10-26 04:28:23,430 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a351ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:28:23, skipping insertion in model container [2020-10-26 04:28:23,430 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:28:23,430 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:28:23" (3/3) ... [2020-10-26 04:28:23,432 INFO L373 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2020-10-26 04:28:23,479 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:28:23,479 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:28:23,479 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:28:23,479 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:28:23,479 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:28:23,479 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:28:23,479 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:28:23,480 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:28:23,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 330 states. [2020-10-26 04:28:23,556 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:28:23,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:28:23,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:28:23 BoogieIcfgContainer [2020-10-26 04:28:23,562 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:28:23,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:28:23,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:28:23,564 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:28:23,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:28:23" (3/4) ... [2020-10-26 04:28:23,574 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:28:23,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:28:23,577 INFO L168 Benchmark]: Toolchain (without parser) took 2459.80 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 22.4 MB in the beginning and 27.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,578 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 46.1 MB. Free memory was 27.9 MB in the beginning and 27.8 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:28:23,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.33 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.7 MB in the beginning and 35.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.56 ms. Allocated memory is still 56.6 MB. Free memory was 35.8 MB in the beginning and 30.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,581 INFO L168 Benchmark]: Boogie Preprocessor took 68.41 ms. Allocated memory is still 56.6 MB. Free memory was 30.1 MB in the beginning and 26.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,583 INFO L168 Benchmark]: RCFGBuilder took 1556.67 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 25.9 MB in the beginning and 35.4 MB in the end (delta: -9.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,583 INFO L168 Benchmark]: BuchiAutomizer took 139.48 ms. Allocated memory is still 69.2 MB. Free memory was 35.4 MB in the beginning and 27.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,584 INFO L168 Benchmark]: Witness Printer took 10.89 ms. Allocated memory is still 69.2 MB. Free memory was 27.7 MB in the beginning and 27.3 MB in the end (delta: 404.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:28:23,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 46.1 MB. Free memory was 27.9 MB in the beginning and 27.8 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 534.33 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.7 MB in the beginning and 35.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.56 ms. Allocated memory is still 56.6 MB. Free memory was 35.8 MB in the beginning and 30.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.41 ms. Allocated memory is still 56.6 MB. Free memory was 30.1 MB in the beginning and 26.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1556.67 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 25.9 MB in the beginning and 35.4 MB in the end (delta: -9.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 139.48 ms. Allocated memory is still 69.2 MB. Free memory was 35.4 MB in the beginning and 27.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 10.89 ms. Allocated memory is still 69.2 MB. Free memory was 27.7 MB in the beginning and 27.3 MB in the end (delta: 404.1 kB). There was no memory consumed. Max. memory is 16.1 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...