./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/bhmr2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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/loop-lit/bhmr2007.i -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 ad9e151ff8328164b10bed0ca90425954d296eb8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 19:40:23,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 19:40:23,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 19:40:23,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 19:40:23,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 19:40:23,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 19:40:23,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 19:40:23,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 19:40:23,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 19:40:23,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 19:40:23,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 19:40:23,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 19:40:23,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 19:40:23,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 19:40:23,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 19:40:23,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 19:40:23,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 19:40:23,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 19:40:23,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 19:40:23,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 19:40:23,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 19:40:23,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 19:40:23,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 19:40:23,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 19:40:23,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 19:40:23,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 19:40:23,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 19:40:23,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 19:40:23,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 19:40:23,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 19:40:23,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 19:40:23,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 19:40:23,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 19:40:23,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 19:40:23,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 19:40:23,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 19:40:23,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 19:40:23,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 19:40:23,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 19:40:23,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 19:40:23,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 19:40:23,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 19:40:23,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 19:40:23,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 19:40:23,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 19:40:23,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 19:40:23,303 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 19:40:23,303 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 19:40:23,303 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 19:40:23,303 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 19:40:23,304 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 19:40:23,304 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 19:40:23,305 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 19:40:23,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 19:40:23,305 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 19:40:23,305 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 19:40:23,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 19:40:23,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 19:40:23,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 19:40:23,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 19:40:23,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 19:40:23,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 19:40:23,306 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 19:40:23,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 19:40:23,306 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 19:40:23,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 19:40:23,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 19:40:23,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 19:40:23,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 19:40:23,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 19:40:23,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 19:40:23,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 19:40:23,308 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 19:40:23,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad9e151ff8328164b10bed0ca90425954d296eb8 [2021-07-06 19:40:23,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 19:40:23,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 19:40:23,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 19:40:23,625 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 19:40:23,628 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 19:40:23,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/bhmr2007.i [2021-07-06 19:40:23,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cce308b1/0eb8cd8de6b54dcf899dd7bce4770e1d/FLAGf59c9d220 [2021-07-06 19:40:24,024 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 19:40:24,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/bhmr2007.i [2021-07-06 19:40:24,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cce308b1/0eb8cd8de6b54dcf899dd7bce4770e1d/FLAGf59c9d220 [2021-07-06 19:40:24,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cce308b1/0eb8cd8de6b54dcf899dd7bce4770e1d [2021-07-06 19:40:24,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 19:40:24,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 19:40:24,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 19:40:24,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 19:40:24,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 19:40:24,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26cd134e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24, skipping insertion in model container [2021-07-06 19:40:24,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 19:40:24,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 19:40:24,603 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/bhmr2007.i[895,908] [2021-07-06 19:40:24,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:40:24,616 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 19:40:24,646 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/bhmr2007.i[895,908] [2021-07-06 19:40:24,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:40:24,683 INFO L208 MainTranslator]: Completed translation [2021-07-06 19:40:24,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24 WrapperNode [2021-07-06 19:40:24,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 19:40:24,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 19:40:24,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 19:40:24,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 19:40:24,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 19:40:24,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 19:40:24,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 19:40:24,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 19:40:24,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 19:40:24,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 19:40:24,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 19:40:24,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 19:40:24,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (1/1) ... [2021-07-06 19:40:24,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:24,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:24,782 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) [2021-07-06 19:40:24,811 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 [2021-07-06 19:40:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 19:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 19:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 19:40:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 19:40:25,082 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 19:40:25,096 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-06 19:40:25,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:40:25 BoogieIcfgContainer [2021-07-06 19:40:25,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 19:40:25,099 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 19:40:25,100 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 19:40:25,102 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 19:40:25,103 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:40:25,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 07:40:24" (1/3) ... [2021-07-06 19:40:25,104 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c24d24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:40:25, skipping insertion in model container [2021-07-06 19:40:25,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:40:25,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:24" (2/3) ... [2021-07-06 19:40:25,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c24d24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:40:25, skipping insertion in model container [2021-07-06 19:40:25,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:40:25,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:40:25" (3/3) ... [2021-07-06 19:40:25,106 INFO L389 chiAutomizerObserver]: Analyzing ICFG bhmr2007.i [2021-07-06 19:40:25,169 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 19:40:25,169 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 19:40:25,169 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 19:40:25,170 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 19:40:25,170 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 19:40:25,170 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 19:40:25,170 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 19:40:25,170 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 19:40:25,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-07-06 19:40:25,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 19:40:25,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:40:25,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:40:25,199 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-07-06 19:40:25,199 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-07-06 19:40:25,200 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 19:40:25,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-07-06 19:40:25,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 19:40:25,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:40:25,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:40:25,202 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-07-06 19:40:25,202 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-07-06 19:40:25,208 INFO L791 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 11#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_~i~0, main_~n~0, main_~a~0, main_~b~0;havoc main_~i~0;havoc main_~n~0;havoc main_~a~0;havoc main_~b~0;main_~i~0 := 0;main_~a~0 := 0;main_~b~0 := 0;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 5#L27true assume !!(main_~n~0 >= 0 && main_~n~0 <= 1000000); 3#L28-2true [2021-07-06 19:40:25,208 INFO L793 eck$LassoCheckResult]: Loop: 3#L28-2true assume !!(main_~i~0 < main_~n~0); 9#L29true assume 0 != main_#t~nondet4;havoc main_#t~nondet4;main_~a~0 := 1 + main_~a~0;main_~b~0 := 2 + main_~b~0; 6#L29-2true main_~i~0 := 1 + main_~i~0; 3#L28-2true [2021-07-06 19:40:25,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:40:25,213 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-07-06 19:40:25,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:40:25,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057352747] [2021-07-06 19:40:25,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:40:25,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:40:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:25,292 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:25,304 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:25,318 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:40:25,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:40:25,321 INFO L82 PathProgramCache]: Analyzing trace with hash 45779, now seen corresponding path program 1 times [2021-07-06 19:40:25,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:40:25,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970486939] [2021-07-06 19:40:25,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:40:25,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:40:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:25,328 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:25,332 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:25,334 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:40:25,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:40:25,336 INFO L82 PathProgramCache]: Analyzing trace with hash 889575248, now seen corresponding path program 1 times [2021-07-06 19:40:25,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:40:25,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465621498] [2021-07-06 19:40:25,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:40:25,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:40:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:25,348 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:25,367 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:25,371 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:40:25,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:25,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-06 19:40:25,474 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:40:25,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:40:25,475 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:40:25,475 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:40:25,475 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-07-06 19:40:25,476 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:25,476 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:40:25,476 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:40:25,476 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2021-07-06 19:40:25,476 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:40:25,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:40:25,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:25,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:25,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:25,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:25,630 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:40:25,631 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-07-06 19:40:25,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:25,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:25,641 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) [2021-07-06 19:40:25,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-07-06 19:40:25,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:40:25,656 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 [2021-07-06 19:40:25,679 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 [2021-07-06 19:40:25,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:25,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:25,697 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) [2021-07-06 19:40:25,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-07-06 19:40:25,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:40:25,713 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 [2021-07-06 19:40:25,737 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-07-06 19:40:25,737 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0=0} Honda state: {ULTIMATE.start_main_~b~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~b~0=5}, {ULTIMATE.start_main_~b~0=3}, {ULTIMATE.start_main_~b~0=-6}] Lambdas: [1, 3, 1] Nus: [0, 1] [2021-07-06 19:40:25,753 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 [2021-07-06 19:40:25,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:25,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:25,769 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) [2021-07-06 19:40:25,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-07-06 19:40:25,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:40:25,793 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 [2021-07-06 19:40:25,820 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 [2021-07-06 19:40:25,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:25,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:25,823 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) [2021-07-06 19:40:25,827 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 [2021-07-06 19:40:25,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-07-06 19:40:25,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:40:25,851 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-07-06 19:40:25,851 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0=0} Honda state: {ULTIMATE.start_main_~a~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0=0}, {ULTIMATE.start_main_~a~0=1}, {ULTIMATE.start_main_~a~0=0}] Lambdas: [1, 1, 8] Nus: [0, 1] [2021-07-06 19:40:25,876 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 [2021-07-06 19:40:25,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:25,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:25,886 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) [2021-07-06 19:40:25,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-07-06 19:40:25,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:40:25,914 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 [2021-07-06 19:40:25,944 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 [2021-07-06 19:40:25,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:25,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:25,946 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) [2021-07-06 19:40:25,954 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-07-06 19:40:25,954 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:40:25,988 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 [2021-07-06 19:40:26,080 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-07-06 19:40:26,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-07-06 19:40:26,085 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:40:26,085 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:40:26,085 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:40:26,085 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:40:26,085 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 19:40:26,085 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:26,085 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:40:26,085 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:40:26,085 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2021-07-06 19:40:26,085 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:40:26,086 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:40:26,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:26,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:26,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:26,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:26,159 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:40:26,163 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 19:40:26,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:26,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:26,165 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) [2021-07-06 19:40:26,166 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 [2021-07-06 19:40:26,167 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 [2021-07-06 19:40:26,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:40:26,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:40:26,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:40:26,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:40:26,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:40:26,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:40:26,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:40:26,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:40:26,203 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 [2021-07-06 19:40:26,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:26,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:26,204 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) [2021-07-06 19:40:26,205 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 [2021-07-06 19:40:26,206 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 [2021-07-06 19:40:26,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:40:26,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:40:26,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:40:26,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:40:26,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:40:26,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:40:26,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:40:26,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:40:26,241 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 [2021-07-06 19:40:26,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:26,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:26,243 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) [2021-07-06 19:40:26,244 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 [2021-07-06 19:40:26,245 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 [2021-07-06 19:40:26,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:40:26,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:40:26,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:40:26,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:40:26,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:40:26,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:40:26,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:40:26,265 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 19:40:26,270 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-07-06 19:40:26,270 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-07-06 19:40:26,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:26,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:26,272 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2021-07-06 19:40:26,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-07-06 19:40:26,274 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 19:40:26,274 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-07-06 19:40:26,274 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 19:40:26,275 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-07-06 19:40:26,307 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 [2021-07-06 19:40:26,310 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-07-06 19:40:26,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:40:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:40:26,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-06 19:40:26,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:40:26,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:26,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:26,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:26,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:26,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:26,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:26,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:26,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:40:26,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-06 19:40:26,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:40:26,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:40:26,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:40:26,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:40:26,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:40:26,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:40:26,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:40:26,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:40:26,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:26,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:40:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 19:40:26,453 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-07-06 19:40:26,454 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-07-06 19:40:26,492 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 33 states and 41 transitions. Complement of second has 7 states. [2021-07-06 19:40:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-07-06 19:40:26,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-07-06 19:40:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2021-07-06 19:40:26,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 3 letters. [2021-07-06 19:40:26,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:40:26,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 6 letters. Loop has 3 letters. [2021-07-06 19:40:26,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:40:26,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 6 letters. [2021-07-06 19:40:26,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:40:26,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2021-07-06 19:40:26,503 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:40:26,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2021-07-06 19:40:26,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 19:40:26,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 19:40:26,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 19:40:26,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 19:40:26,506 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:40:26,506 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:40:26,506 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:40:26,506 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 19:40:26,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 19:40:26,507 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:40:26,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 19:40:26,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 07:40:26 BoogieIcfgContainer [2021-07-06 19:40:26,511 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 19:40:26,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 19:40:26,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 19:40:26,512 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 19:40:26,513 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:40:25" (3/4) ... [2021-07-06 19:40:26,515 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 19:40:26,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 19:40:26,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-07-06 19:40:26,538 INFO L168 Benchmark]: Toolchain (without parser) took 2098.90 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.3 MB in the beginning and 52.6 MB in the end (delta: -17.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2021-07-06 19:40:26,539 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 38.1 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:40:26,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.38 ms. Allocated memory is still 56.6 MB. Free memory was 35.1 MB in the beginning and 40.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 19:40:26,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.34 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 38.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:40:26,540 INFO L168 Benchmark]: Boogie Preprocessor took 38.34 ms. Allocated memory is still 56.6 MB. Free memory was 38.5 MB in the beginning and 37.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:40:26,540 INFO L168 Benchmark]: RCFGBuilder took 344.53 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 37.4 MB in the beginning and 54.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-07-06 19:40:26,541 INFO L168 Benchmark]: BuchiAutomizer took 1411.99 ms. Allocated memory is still 71.3 MB. Free memory was 54.2 MB in the beginning and 26.3 MB in the end (delta: 27.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-07-06 19:40:26,541 INFO L168 Benchmark]: Witness Printer took 22.58 ms. Allocated memory is still 71.3 MB. Free memory was 26.0 MB in the beginning and 52.6 MB in the end (delta: -26.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:40:26,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 38.1 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 246.38 ms. Allocated memory is still 56.6 MB. Free memory was 35.1 MB in the beginning and 40.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.34 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 38.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.34 ms. Allocated memory is still 56.6 MB. Free memory was 38.5 MB in the beginning and 37.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 344.53 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 37.4 MB in the beginning and 54.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1411.99 ms. Allocated memory is still 71.3 MB. Free memory was 54.2 MB in the beginning and 26.3 MB in the end (delta: 27.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * Witness Printer took 22.58 ms. Allocated memory is still 71.3 MB. Free memory was 26.0 MB in the beginning and 52.6 MB in the end (delta: -26.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 n + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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: 13 SDtfs, 14 SDslu, 12 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-07-06 19:40:26,575 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...