./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99a77f5372e1d3174eb539425b8da52ff3b34c76 ............................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:07:19,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:07:19,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:07:19,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:07:19,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:07:19,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:07:19,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:07:19,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:07:19,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:07:19,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:07:19,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:07:19,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:07:19,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:07:19,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:07:19,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:07:19,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:07:19,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:07:19,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:07:19,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:07:19,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:07:19,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:07:19,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:07:19,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:07:19,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:07:19,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:07:19,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:07:19,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:07:19,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:07:19,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:07:19,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:07:19,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:07:19,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:07:19,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:07:19,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:07:19,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:07:19,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:07:19,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:07:19,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:07:19,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:07:19,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:07:19,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:07:19,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 10:07:19,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:07:19,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:07:19,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:07:19,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:07:19,400 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:07:19,400 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:07:19,400 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:07:19,400 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:07:19,401 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:07:19,401 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:07:19,401 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:07:19,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:07:19,401 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:07:19,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:07:19,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:07:19,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:07:19,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:07:19,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:07:19,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:07:19,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:07:19,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:07:19,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:07:19,403 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:07:19,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:07:19,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:07:19,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:07:19,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:07:19,404 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:07:19,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:07:19,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:07:19,404 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:07:19,415 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:07:19,415 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2019-11-20 10:07:19,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:07:19,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:07:19,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:07:19,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:07:19,607 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:07:19,608 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-20 10:07:19,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/data/14dd94345/223b51428b1b4328adcc9d1b0542e93d/FLAG7b3334a5a [2019-11-20 10:07:20,072 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:07:20,073 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-20 10:07:20,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/data/14dd94345/223b51428b1b4328adcc9d1b0542e93d/FLAG7b3334a5a [2019-11-20 10:07:20,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/data/14dd94345/223b51428b1b4328adcc9d1b0542e93d [2019-11-20 10:07:20,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:07:20,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:07:20,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:07:20,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:07:20,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:07:20,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8efaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20, skipping insertion in model container [2019-11-20 10:07:20,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,135 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:07:20,201 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:07:20,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:07:20,553 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:07:20,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:07:20,650 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:07:20,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20 WrapperNode [2019-11-20 10:07:20,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:07:20,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:07:20,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:07:20,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:07:20,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:07:20,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:07:20,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:07:20,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:07:20,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (1/1) ... [2019-11-20 10:07:20,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:07:20,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:07:20,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:07:20,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:07:20,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3325bc1e-edb0-44f9-88e2-c31efa83e09a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:07:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:07:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:07:21,169 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,175 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,189 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,207 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,210 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,213 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,218 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,221 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,227 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,229 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,231 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:21,238 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:07:22,076 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2019-11-20 10:07:22,076 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2019-11-20 10:07:22,077 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2019-11-20 10:07:22,077 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2019-11-20 10:07:22,077 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2019-11-20 10:07:22,077 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2019-11-20 10:07:22,077 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2019-11-20 10:07:22,077 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2019-11-20 10:07:22,077 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2019-11-20 10:07:22,080 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2019-11-20 10:07:22,080 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-20 10:07:22,081 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-20 10:07:22,081 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2019-11-20 10:07:22,081 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2019-11-20 10:07:22,081 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2019-11-20 10:07:22,081 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2019-11-20 10:07:22,082 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2019-11-20 10:07:22,082 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2019-11-20 10:07:22,082 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2019-11-20 10:07:22,083 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2019-11-20 10:07:22,083 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-11-20 10:07:22,083 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-11-20 10:07:22,083 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2019-11-20 10:07:22,083 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2019-11-20 10:07:22,086 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:07:22,086 INFO L285 CfgBuilder]: Removed 154 assume(true) statements. [2019-11-20 10:07:22,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:07:22 BoogieIcfgContainer [2019-11-20 10:07:22,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:07:22,089 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:07:22,089 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:07:22,092 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:07:22,092 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:07:22,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:07:20" (1/3) ... [2019-11-20 10:07:22,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60b50569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:07:22, skipping insertion in model container [2019-11-20 10:07:22,095 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:07:22,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:20" (2/3) ... [2019-11-20 10:07:22,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60b50569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:07:22, skipping insertion in model container [2019-11-20 10:07:22,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:07:22,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:07:22" (3/3) ... [2019-11-20 10:07:22,098 INFO L371 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2019-11-20 10:07:22,140 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:07:22,140 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:07:22,140 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:07:22,141 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:07:22,141 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:07:22,142 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:07:22,142 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:07:22,142 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:07:22,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 300 states. [2019-11-20 10:07:22,247 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:07:22,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 10:07:22,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:07:22 BoogieIcfgContainer [2019-11-20 10:07:22,252 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:07:22,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:07:22,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:07:22,253 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:07:22,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:07:22" (3/4) ... [2019-11-20 10:07:22,257 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:07:22,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:07:22,260 INFO L168 Benchmark]: Toolchain (without parser) took 2146.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.1 MB in the beginning and 991.5 MB in the end (delta: -45.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:22,261 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:07:22,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:22,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:22,264 INFO L168 Benchmark]: Boogie Preprocessor took 79.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:22,265 INFO L168 Benchmark]: RCFGBuilder took 1229.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.8 MB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:22,266 INFO L168 Benchmark]: BuchiAutomizer took 163.86 ms. Allocated memory is still 1.2 GB. Free memory was 996.8 MB in the beginning and 991.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:22,266 INFO L168 Benchmark]: Witness Printer took 4.76 ms. Allocated memory is still 1.2 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:07:22,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 529.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 127.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1229.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.8 MB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 163.86 ms. Allocated memory is still 1.2 GB. Free memory was 996.8 MB in the beginning and 991.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.76 ms. Allocated memory is still 1.2 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.1s 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...