./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 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-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 0.2.0-5485861 [2020-10-26 04:28:19,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:28:19,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:28:19,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:28:19,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:28:19,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:28:19,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:28:19,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:28:19,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:28:19,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:28:19,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:28:19,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:28:19,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:28:19,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:28:19,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:28:19,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:28:19,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:28:19,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:28:19,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:28:19,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:28:19,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:28:19,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:28:19,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:28:19,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:28:19,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:28:19,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:28:19,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:28:19,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:28:19,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:28:19,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:28:19,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:28:19,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:28:19,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:28:19,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:28:19,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:28:19,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:28:19,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:28:19,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:28:19,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:28:19,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:28:19,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:28:19,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:28:19,255 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:28:19,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:28:19,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:28:19,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:28:19,257 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:28:19,258 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:28:19,258 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:28:19,258 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:28:19,258 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:28:19,259 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:28:19,259 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:28:19,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:28:19,259 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:28:19,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:28:19,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:28:19,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:28:19,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:28:19,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:28:19,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:28:19,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:28:19,261 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:28:19,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:28:19,262 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:28:19,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:28:19,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:28:19,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:28:19,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:28:19,263 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:28:19,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:28:19,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:28:19,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:28:19,264 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:28:19,266 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:28:19,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e0d5536f9cd1f3a5d711f95a0369e25308fe790 [2020-10-26 04:28:19,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:28:19,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:28:19,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:28:19,678 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:28:19,680 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:28:19,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-26 04:28:19,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680de7dca/e8514a42952844d38a61514959a1140d/FLAG2e3242ffc [2020-10-26 04:28:20,556 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:28:20,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-26 04:28:20,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680de7dca/e8514a42952844d38a61514959a1140d/FLAG2e3242ffc [2020-10-26 04:28:20,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680de7dca/e8514a42952844d38a61514959a1140d [2020-10-26 04:28:20,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:28:20,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:28:20,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:28:20,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:28:20,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:28:20,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:28:20" (1/1) ... [2020-10-26 04:28:20,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28dc2c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:20, skipping insertion in model container [2020-10-26 04:28:20,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:28:20" (1/1) ... [2020-10-26 04:28:20,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:28:20,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:28:21,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:28:21,229 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:28:21,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:28:21,389 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:28:21,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:28:21 WrapperNode [2020-10-26 04:28:21,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:28:21,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:28:21,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:28:21,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:28:21,403 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 04:28:21,418 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 04:28:21,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:28:21,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:28:21,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:28:21,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:28:21,538 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 04:28:21,539 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 04:28:21,568 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 04:28:21,568 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 04:28:21,608 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 04:28:21,630 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 04:28:21,644 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 04:28:21,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:28:21,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:28:21,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:28:21,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:28:21,665 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 04:28:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:28:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:28:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:28:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:28:22,179 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,184 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,191 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,203 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,211 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,214 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,219 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,227 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,232 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,234 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,238 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:22,256 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 04:28:23,364 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-10-26 04:28:23,365 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-10-26 04:28:23,365 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-10-26 04:28:23,365 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-10-26 04:28:23,366 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2020-10-26 04:28:23,366 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2020-10-26 04:28:23,366 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-10-26 04:28:23,366 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-10-26 04:28:23,367 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2020-10-26 04:28:23,367 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2020-10-26 04:28:23,367 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-26 04:28:23,367 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-26 04:28:23,368 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2020-10-26 04:28:23,368 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2020-10-26 04:28:23,368 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-10-26 04:28:23,368 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-10-26 04:28:23,369 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2020-10-26 04:28:23,369 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2020-10-26 04:28:23,369 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2020-10-26 04:28:23,369 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2020-10-26 04:28:23,369 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-26 04:28:23,370 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-26 04:28:23,370 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2020-10-26 04:28:23,370 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2020-10-26 04:28:23,383 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:28:23,384 INFO L298 CfgBuilder]: Removed 210 assume(true) statements. [2020-10-26 04:28:23,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:28:23 BoogieIcfgContainer [2020-10-26 04:28:23,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:28:23,387 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:28:23,388 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:28:23,391 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:28:23,392 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:28:23,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:28:20" (1/3) ... [2020-10-26 04:28:23,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4371c769 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 04:28:23,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:28:23,394 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 04:28:23,395 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4371c769 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 04:28:23,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:28:23,395 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 04:28:23,397 INFO L373 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2020-10-26 04:28:23,446 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:28:23,447 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:28:23,447 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:28:23,447 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:28:23,447 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:28:23,447 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:28:23,448 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:28:23,448 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:28:23,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 328 states. [2020-10-26 04:28:23,526 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:28:23,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:28:23,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:28:23 BoogieIcfgContainer [2020-10-26 04:28:23,532 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:28:23,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:28:23,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:28:23,534 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:28:23,534 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 04:28:23,538 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:28:23,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:28:23,541 INFO L168 Benchmark]: Toolchain (without parser) took 2728.34 ms. Allocated memory was 39.8 MB in the beginning and 71.3 MB in the end (delta: 31.5 MB). Free memory was 16.2 MB in the beginning and 44.9 MB in the end (delta: -28.7 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,542 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 39.8 MB. Free memory was 25.9 MB in the beginning and 25.9 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:28:23,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.73 ms. Allocated memory is still 48.2 MB. Free memory was 32.7 MB in the beginning and 26.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.52 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 20.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,545 INFO L168 Benchmark]: Boogie Preprocessor took 138.14 ms. Allocated memory is still 48.2 MB. Free memory was 20.5 MB in the beginning and 27.2 MB in the end (delta: -6.7 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,547 INFO L168 Benchmark]: RCFGBuilder took 1725.95 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.2 MB in the beginning and 23.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,548 INFO L168 Benchmark]: BuchiAutomizer took 145.06 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 23.4 MB in the beginning and 44.9 MB in the end (delta: -21.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:28:23,548 INFO L168 Benchmark]: Witness Printer took 5.09 ms. Allocated memory is still 71.3 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:28:23,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 39.8 MB. Free memory was 25.9 MB in the beginning and 25.9 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 558.73 ms. Allocated memory is still 48.2 MB. Free memory was 32.7 MB in the beginning and 26.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.52 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 20.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.14 ms. Allocated memory is still 48.2 MB. Free memory was 20.5 MB in the beginning and 27.2 MB in the end (delta: -6.7 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1725.95 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.2 MB in the beginning and 23.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 145.06 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 23.4 MB in the beginning and 44.9 MB in the end (delta: -21.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.09 ms. Allocated memory is still 71.3 MB. Free memory is still 44.9 MB. 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...