./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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/termination-memory-alloca/openbsd_cbzero-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 17:37:22,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 17:37:22,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 17:37:22,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 17:37:22,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 17:37:22,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 17:37:22,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 17:37:22,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 17:37:22,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 17:37:22,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 17:37:22,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 17:37:22,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 17:37:22,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 17:37:22,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 17:37:22,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 17:37:22,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 17:37:22,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 17:37:22,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 17:37:22,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 17:37:22,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 17:37:22,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 17:37:22,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 17:37:22,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 17:37:22,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 17:37:22,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 17:37:22,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 17:37:22,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 17:37:22,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 17:37:22,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 17:37:22,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 17:37:22,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 17:37:22,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 17:37:22,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 17:37:22,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 17:37:22,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 17:37:22,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 17:37:22,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 17:37:22,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 17:37:22,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 17:37:22,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 17:37:22,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 17:37:22,811 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-19 17:37:22,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 17:37:22,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 17:37:22,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 17:37:22,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 17:37:22,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 17:37:22,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 17:37:22,827 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 17:37:22,827 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 17:37:22,827 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 17:37:22,827 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 17:37:22,828 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 17:37:22,828 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 17:37:22,828 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 17:37:22,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 17:37:22,828 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 17:37:22,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 17:37:22,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 17:37:22,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 17:37:22,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 17:37:22,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 17:37:22,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 17:37:22,829 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 17:37:22,829 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 17:37:22,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 17:37:22,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 17:37:22,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 17:37:22,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 17:37:22,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 17:37:22,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 17:37:22,831 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 17:37:22,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f [2021-12-19 17:37:23,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 17:37:23,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 17:37:23,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 17:37:23,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 17:37:23,068 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 17:37:23,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2021-12-19 17:37:23,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5e8aa58/d907bff6b9c1484198258337b6b40f40/FLAG03a25caff [2021-12-19 17:37:23,504 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 17:37:23,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2021-12-19 17:37:23,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5e8aa58/d907bff6b9c1484198258337b6b40f40/FLAG03a25caff [2021-12-19 17:37:23,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5e8aa58/d907bff6b9c1484198258337b6b40f40 [2021-12-19 17:37:23,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 17:37:23,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 17:37:23,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 17:37:23,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 17:37:23,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 17:37:23,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:37:23" (1/1) ... [2021-12-19 17:37:23,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6071a4cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:23, skipping insertion in model container [2021-12-19 17:37:23,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:37:23" (1/1) ... [2021-12-19 17:37:23,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 17:37:23,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 17:37:24,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 17:37:24,097 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 17:37:24,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 17:37:24,163 INFO L208 MainTranslator]: Completed translation [2021-12-19 17:37:24,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24 WrapperNode [2021-12-19 17:37:24,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 17:37:24,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 17:37:24,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 17:37:24,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 17:37:24,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (1/1) ... [2021-12-19 17:37:24,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (1/1) ... [2021-12-19 17:37:24,202 INFO L137 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2021-12-19 17:37:24,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 17:37:24,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 17:37:24,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 17:37:24,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 17:37:24,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (1/1) ... [2021-12-19 17:37:24,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (1/1) ... [2021-12-19 17:37:24,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (1/1) ... [2021-12-19 17:37:24,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (1/1) ... [2021-12-19 17:37:24,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (1/1) ... [2021-12-19 17:37:24,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (1/1) ... [2021-12-19 17:37:24,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (1/1) ... [2021-12-19 17:37:24,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 17:37:24,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 17:37:24,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 17:37:24,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 17:37:24,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (1/1) ... [2021-12-19 17:37:24,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:37:24,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:37:24,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-19 17:37:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-19 17:37:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-19 17:37:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-19 17:37:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 17:37:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 17:37:24,447 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 17:37:24,448 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 17:37:24,544 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 17:37:24,548 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 17:37:24,548 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 17:37:24,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:37:24 BoogieIcfgContainer [2021-12-19 17:37:24,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 17:37:24,549 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 17:37:24,549 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 17:37:24,565 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 17:37:24,566 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:37:24,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 05:37:23" (1/3) ... [2021-12-19 17:37:24,567 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29903dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:37:24, skipping insertion in model container [2021-12-19 17:37:24,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:37:24,567 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:24" (2/3) ... [2021-12-19 17:37:24,568 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29903dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:37:24, skipping insertion in model container [2021-12-19 17:37:24,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:37:24,568 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:37:24" (3/3) ... [2021-12-19 17:37:24,569 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cbzero-alloca-1.i [2021-12-19 17:37:24,607 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 17:37:24,607 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 17:37:24,607 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 17:37:24,607 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 17:37:24,607 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 17:37:24,608 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 17:37:24,608 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 17:37:24,608 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 17:37:24,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:37:24,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 17:37:24,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:37:24,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:37:24,641 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-19 17:37:24,641 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 17:37:24,642 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 17:37:24,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:37:24,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 17:37:24,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:37:24,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:37:24,646 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-19 17:37:24,646 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 17:37:24,652 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;main_~length~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8#L557true assume !(main_~length~0#1 < 1); 7#L557-2true assume !(main_~n~0#1 < 1); 6#L560-1true assume !(main_~n~0#1 > main_~length~0#1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;assume { :begin_inline_cbzero } true;cbzero_#in~b#1.base, cbzero_#in~b#1.offset, cbzero_#in~length#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~n~0#1;havoc cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, cbzero_#t~post2#1, cbzero_~b#1.base, cbzero_~b#1.offset, cbzero_~length#1, cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~b#1.base, cbzero_~b#1.offset := cbzero_#in~b#1.base, cbzero_#in~b#1.offset;cbzero_~length#1 := cbzero_#in~length#1;havoc cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_~b#1.base, cbzero_~b#1.offset; 9#L551-3true [2021-12-19 17:37:24,653 INFO L793 eck$LassoCheckResult]: Loop: 9#L551-3true cbzero_#t~post2#1 := cbzero_~length#1;cbzero_~length#1 := cbzero_#t~post2#1 - 1; 10#L551-1true assume !!(0 != cbzero_#t~post2#1 % 18446744073709551616);havoc cbzero_#t~post2#1;cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset := cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_#t~post3#1.base, 1 + cbzero_#t~post3#1.offset;call write~int(0, cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, 1);havoc cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset; 9#L551-3true [2021-12-19 17:37:24,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:37:24,657 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-12-19 17:37:24,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:37:24,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897319563] [2021-12-19 17:37:24,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:37:24,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:37:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:37:24,755 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:37:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:37:24,790 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:37:24,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:37:24,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2021-12-19 17:37:24,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:37:24,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906384858] [2021-12-19 17:37:24,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:37:24,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:37:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:37:24,805 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:37:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:37:24,812 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:37:24,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:37:24,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939567, now seen corresponding path program 1 times [2021-12-19 17:37:24,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:37:24,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024567619] [2021-12-19 17:37:24,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:37:24,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:37:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:37:24,830 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:37:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:37:24,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:37:25,172 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:37:25,172 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:37:25,173 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:37:25,173 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:37:25,173 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 17:37:25,173 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:25,173 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:37:25,174 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:37:25,174 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cbzero-alloca-1.i_Iteration1_Lasso [2021-12-19 17:37:25,174 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:37:25,174 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:37:25,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:37:25,671 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:37:25,674 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 17:37:25,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:25,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:37:25,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:37:25,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:37:25,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:37:25,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:37:25,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:37:25,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:37:25,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:37:25,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-19 17:37:25,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:37:25,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:37:25,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:37:25,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-19 17:37:25,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:25,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:37:25,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:37:25,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-19 17:37:25,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:37:25,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:37:25,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:37:25,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:37:25,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:37:25,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:37:25,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:37:25,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:37:25,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:37:25,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-19 17:37:25,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:25,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:37:25,777 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:37:25,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-19 17:37:25,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:37:25,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:37:25,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:37:25,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:37:25,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:37:25,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:37:25,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:37:25,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:37:25,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-19 17:37:25,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:25,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:37:25,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:37:25,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-19 17:37:25,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:37:25,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:37:25,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:37:25,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:37:25,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:37:25,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:37:25,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:37:25,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:37:25,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-19 17:37:25,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:25,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:37:25,866 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:37:25,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-19 17:37:25,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:37:25,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:37:25,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:37:25,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:37:25,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:37:25,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:37:25,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:37:25,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:37:25,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:37:25,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-19 17:37:25,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:25,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:37:25,926 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:37:25,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-19 17:37:25,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:37:25,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:37:25,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:37:25,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:37:25,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:37:25,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:37:25,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:37:25,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:37:25,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-19 17:37:25,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:25,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:37:25,969 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:37:25,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-19 17:37:25,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:37:25,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:37:25,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:37:25,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:37:25,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:37:25,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:37:25,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:37:25,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:37:25,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:37:26,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-19 17:37:26,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:26,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:37:26,012 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:37:26,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-19 17:37:26,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:37:26,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:37:26,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:37:26,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:37:26,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:37:26,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:37:26,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:37:26,075 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 17:37:26,088 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-19 17:37:26,089 INFO L444 ModelExtractionUtils]: 31 out of 37 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-19 17:37:26,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:37:26,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:37:26,106 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:37:26,150 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 17:37:26,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-19 17:37:26,173 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-19 17:37:26,174 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 17:37:26,174 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1, ULTIMATE.start_cbzero_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1 - 1*ULTIMATE.start_cbzero_~p~0#1.offset Supporting invariants [] [2021-12-19 17:37:26,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-19 17:37:26,209 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2021-12-19 17:37:26,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:37:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:37:26,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-19 17:37:26,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:37:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:37:26,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-19 17:37:26,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:37:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 17:37:26,332 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-19 17:37:26,333 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:37:26,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 25 transitions. Complement of second has 6 states. [2021-12-19 17:37:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-19 17:37:26,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:37:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-12-19 17:37:26,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-19 17:37:26,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 17:37:26,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-19 17:37:26,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 17:37:26,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-19 17:37:26,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 17:37:26,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2021-12-19 17:37:26,384 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 17:37:26,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-12-19 17:37:26,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 17:37:26,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 17:37:26,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 17:37:26,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 17:37:26,386 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 17:37:26,387 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 17:37:26,389 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 17:37:26,389 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 17:37:26,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-19 17:37:26,389 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 17:37:26,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-19 17:37:26,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 05:37:26 BoogieIcfgContainer [2021-12-19 17:37:26,394 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 17:37:26,395 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 17:37:26,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 17:37:26,399 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 17:37:26,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:37:24" (3/4) ... [2021-12-19 17:37:26,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-19 17:37:26,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 17:37:26,403 INFO L158 Benchmark]: Toolchain (without parser) took 2510.87ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 58.9MB in the beginning and 77.4MB in the end (delta: -18.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-12-19 17:37:26,404 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 17:37:26,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.29ms. Allocated memory is still 102.8MB. Free memory was 58.8MB in the beginning and 71.6MB in the end (delta: -12.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-12-19 17:37:26,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.73ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 17:37:26,408 INFO L158 Benchmark]: Boogie Preprocessor took 36.69ms. Allocated memory is still 102.8MB. Free memory was 69.9MB in the beginning and 69.1MB in the end (delta: 841.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 17:37:26,409 INFO L158 Benchmark]: RCFGBuilder took 307.95ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 72.9MB in the end (delta: -4.2MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2021-12-19 17:37:26,409 INFO L158 Benchmark]: BuchiAutomizer took 1844.85ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 72.9MB in the beginning and 78.2MB in the end (delta: -5.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-12-19 17:37:26,409 INFO L158 Benchmark]: Witness Printer took 6.52ms. Allocated memory is still 123.7MB. Free memory was 78.2MB in the beginning and 77.4MB in the end (delta: 743.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 17:37:26,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.29ms. Allocated memory is still 102.8MB. Free memory was 58.8MB in the beginning and 71.6MB in the end (delta: -12.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.73ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.69ms. Allocated memory is still 102.8MB. Free memory was 69.9MB in the beginning and 69.1MB in the end (delta: 841.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.95ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 72.9MB in the end (delta: -4.2MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1844.85ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 72.9MB in the beginning and 78.2MB in the end (delta: -5.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 6.52ms. Allocated memory is still 123.7MB. Free memory was 78.2MB in the beginning and 77.4MB in the end (delta: 743.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * p and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 12 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital122 mio100 ax114 hnf100 lsp82 ukn97 mio100 lsp57 div160 bol100 ite100 ukn100 eq176 hnf71 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: 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! [2021-12-19 17:37:26,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-19 17:37:26,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE