./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/aviad_true-alloca.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 da65a08be7a694e995d17e45362055fa5f60ddf40e08c5ba36204464b294ccf0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 01:38:20,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 01:38:20,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 01:38:20,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 01:38:20,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 01:38:20,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 01:38:20,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 01:38:20,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 01:38:20,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 01:38:20,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 01:38:20,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 01:38:20,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 01:38:20,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 01:38:20,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 01:38:20,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 01:38:20,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 01:38:20,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 01:38:20,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 01:38:20,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 01:38:20,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 01:38:20,743 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 01:38:20,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 01:38:20,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 01:38:20,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 01:38:20,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 01:38:20,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 01:38:20,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 01:38:20,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 01:38:20,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 01:38:20,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 01:38:20,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 01:38:20,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 01:38:20,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 01:38:20,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 01:38:20,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 01:38:20,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 01:38:20,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 01:38:20,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 01:38:20,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 01:38:20,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 01:38:20,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 01:38:20,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 01:38:20,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-22 01:38:20,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 01:38:20,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 01:38:20,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 01:38:20,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 01:38:20,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 01:38:20,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 01:38:20,788 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 01:38:20,788 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 01:38:20,788 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 01:38:20,789 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 01:38:20,789 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 01:38:20,790 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 01:38:20,790 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 01:38:20,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 01:38:20,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 01:38:20,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 01:38:20,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 01:38:20,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 01:38:20,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 01:38:20,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 01:38:20,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 01:38:20,791 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 01:38:20,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 01:38:20,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 01:38:20,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 01:38:20,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 01:38:20,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 01:38:20,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 01:38:20,794 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 01:38:20,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da65a08be7a694e995d17e45362055fa5f60ddf40e08c5ba36204464b294ccf0 [2022-07-22 01:38:21,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 01:38:21,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 01:38:21,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 01:38:21,084 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 01:38:21,084 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 01:38:21,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2022-07-22 01:38:21,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caffe76f0/6d5819abf0114c4486cc9f940e19ce70/FLAGa768a2c27 [2022-07-22 01:38:21,558 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 01:38:21,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2022-07-22 01:38:21,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caffe76f0/6d5819abf0114c4486cc9f940e19ce70/FLAGa768a2c27 [2022-07-22 01:38:21,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caffe76f0/6d5819abf0114c4486cc9f940e19ce70 [2022-07-22 01:38:21,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 01:38:21,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 01:38:21,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 01:38:21,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 01:38:21,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 01:38:21,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:38:21" (1/1) ... [2022-07-22 01:38:21,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2884d6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:21, skipping insertion in model container [2022-07-22 01:38:21,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:38:21" (1/1) ... [2022-07-22 01:38:21,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 01:38:21,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 01:38:22,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:38:22,193 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 01:38:22,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:38:22,262 INFO L208 MainTranslator]: Completed translation [2022-07-22 01:38:22,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22 WrapperNode [2022-07-22 01:38:22,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 01:38:22,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 01:38:22,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 01:38:22,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 01:38:22,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (1/1) ... [2022-07-22 01:38:22,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (1/1) ... [2022-07-22 01:38:22,295 INFO L137 Inliner]: procedures = 111, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-07-22 01:38:22,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 01:38:22,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 01:38:22,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 01:38:22,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 01:38:22,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (1/1) ... [2022-07-22 01:38:22,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (1/1) ... [2022-07-22 01:38:22,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (1/1) ... [2022-07-22 01:38:22,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (1/1) ... [2022-07-22 01:38:22,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (1/1) ... [2022-07-22 01:38:22,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (1/1) ... [2022-07-22 01:38:22,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (1/1) ... [2022-07-22 01:38:22,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 01:38:22,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 01:38:22,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 01:38:22,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 01:38:22,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (1/1) ... [2022-07-22 01:38:22,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:22,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:22,336 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) [2022-07-22 01:38:22,338 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 [2022-07-22 01:38:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 01:38:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 01:38:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 01:38:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 01:38:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 01:38:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 01:38:22,420 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 01:38:22,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 01:38:22,561 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 01:38:22,565 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 01:38:22,565 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 01:38:22,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:38:22 BoogieIcfgContainer [2022-07-22 01:38:22,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 01:38:22,567 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 01:38:22,567 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 01:38:22,579 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 01:38:22,580 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:38:22,580 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 01:38:21" (1/3) ... [2022-07-22 01:38:22,580 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f378256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:38:22, skipping insertion in model container [2022-07-22 01:38:22,580 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:38:22,581 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:22" (2/3) ... [2022-07-22 01:38:22,581 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f378256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:38:22, skipping insertion in model container [2022-07-22 01:38:22,581 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:38:22,581 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:38:22" (3/3) ... [2022-07-22 01:38:22,582 INFO L354 chiAutomizerObserver]: Analyzing ICFG aviad_true-alloca.i [2022-07-22 01:38:22,629 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 01:38:22,629 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 01:38:22,629 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 01:38:22,629 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 01:38:22,629 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 01:38:22,629 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 01:38:22,630 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 01:38:22,630 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 01:38:22,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-07-22 01:38:22,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 01:38:22,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:38:22,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:38:22,669 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:38:22,669 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 01:38:22,669 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 01:38:22,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-07-22 01:38:22,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 01:38:22,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:38:22,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:38:22,670 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:38:22,671 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 01:38:22,675 INFO L752 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; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~ret14#1, main_~x~0#1, main_~count~1#1;main_~x~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;assume { :begin_inline_f } true;f_#in~a#1 := main_~x~0#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~post11#1, f_#t~mem5#1, f_#t~mem12#1, f_~a#1, f_~a_ref~0#1.base, f_~a_ref~0#1.offset, f_~tmp~0#1.base, f_~tmp~0#1.offset, f_~count~0#1.base, f_~count~0#1.offset;f_~a#1 := f_#in~a#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~a_ref~0#1.base, f_~a_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~tmp~0#1.base, f_~tmp~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~count~0#1.base, f_~count~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call write~int(f_~a#1, f_~a_ref~0#1.base, f_~a_ref~0#1.offset, 4);call write~int(0, f_~tmp~0#1.base, f_~tmp~0#1.offset, 4);call write~int(0, f_~count~0#1.base, f_~count~0#1.offset, 4); 7#L554-3true [2022-07-22 01:38:22,675 INFO L754 eck$LassoCheckResult]: Loop: 7#L554-3true call f_#t~mem5#1 := read~int(f_~a_ref~0#1.base, f_~a_ref~0#1.offset, 4); 9#L554-1true assume !!(f_#t~mem5#1 > 1);havoc f_#t~mem5#1;call f_#t~mem6#1 := read~int(f_~a_ref~0#1.base, f_~a_ref~0#1.offset, 4);call write~int((if f_#t~mem6#1 < 0 && 0 != f_#t~mem6#1 % 2 then f_#t~mem6#1 % 2 - 2 else f_#t~mem6#1 % 2), f_~tmp~0#1.base, f_~tmp~0#1.offset, 4);havoc f_#t~mem6#1;call f_#t~mem7#1 := read~int(f_~tmp~0#1.base, f_~tmp~0#1.offset, 4); 5#L556true assume !(0 == f_#t~mem7#1);havoc f_#t~mem7#1;call f_#t~mem9#1 := read~int(f_~a_ref~0#1.base, f_~a_ref~0#1.offset, 4);call write~int(f_#t~mem9#1 - 1, f_~a_ref~0#1.base, f_~a_ref~0#1.offset, 4);havoc f_#t~mem9#1; 8#L556-2true call f_#t~mem10#1 := read~int(f_~count~0#1.base, f_~count~0#1.offset, 4);f_#t~post11#1 := f_#t~mem10#1;call write~int(1 + f_#t~post11#1, f_~count~0#1.base, f_~count~0#1.offset, 4);havoc f_#t~mem10#1;havoc f_#t~post11#1; 7#L554-3true [2022-07-22 01:38:22,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:22,679 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-22 01:38:22,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:22,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228320177] [2022-07-22 01:38:22,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:22,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,832 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:38:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:38:22,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:22,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1144136, now seen corresponding path program 1 times [2022-07-22 01:38:22,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:22,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050355470] [2022-07-22 01:38:22,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:22,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,925 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:38:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:38:22,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:22,939 INFO L85 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2022-07-22 01:38:22,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:22,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689973028] [2022-07-22 01:38:22,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:22,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,998 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:38:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:23,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:38:23,612 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:38:23,612 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:38:23,612 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:38:23,612 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:38:23,612 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:38:23,612 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:23,613 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:38:23,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:38:23,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad_true-alloca.i_Iteration1_Lasso [2022-07-22 01:38:23,613 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:38:23,613 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:38:23,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:24,495 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:38:24,498 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:38:24,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:24,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:24,501 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) [2022-07-22 01:38:24,512 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 [2022-07-22 01:38:24,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:24,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:38:24,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:24,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:24,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:24,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:38:24,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:38:24,531 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 [2022-07-22 01:38:24,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:24,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 01:38:24,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:24,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:24,553 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) [2022-07-22 01:38:24,554 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 [2022-07-22 01:38:24,555 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 [2022-07-22 01:38:24,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:24,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:38:24,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:24,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:24,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:24,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:38:24,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:38:24,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:24,586 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 [2022-07-22 01:38:24,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:24,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:24,588 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) [2022-07-22 01:38:24,594 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 [2022-07-22 01:38:24,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:24,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:24,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:24,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:24,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:38:24,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:38:24,606 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 [2022-07-22 01:38:24,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:24,635 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 [2022-07-22 01:38:24,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:24,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:24,636 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) [2022-07-22 01:38:24,644 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 [2022-07-22 01:38:24,645 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 [2022-07-22 01:38:24,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:24,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:38:24,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:24,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:24,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:24,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:38:24,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:38:24,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:24,668 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 [2022-07-22 01:38:24,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:24,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:24,670 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) [2022-07-22 01:38:24,673 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 [2022-07-22 01:38:24,673 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 [2022-07-22 01:38:24,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:24,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:24,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:24,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:24,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:38:24,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:38:24,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:24,719 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 [2022-07-22 01:38:24,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:24,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:24,725 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) [2022-07-22 01:38:24,726 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 [2022-07-22 01:38:24,727 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 [2022-07-22 01:38:24,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:24,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:24,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:24,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:24,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:38:24,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:38:24,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:24,770 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 [2022-07-22 01:38:24,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:24,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:24,772 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) [2022-07-22 01:38:24,772 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 [2022-07-22 01:38:24,773 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 [2022-07-22 01:38:24,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:24,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:24,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:24,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:24,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:38:24,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:38:24,804 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:38:24,835 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 01:38:24,835 INFO L444 ModelExtractionUtils]: 8 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-07-22 01:38:24,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:24,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:24,856 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) [2022-07-22 01:38:24,862 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 [2022-07-22 01:38:24,863 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:38:24,891 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:38:24,891 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:38:24,892 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0#1.base) ULTIMATE.start_f_~a_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0#1.base) ULTIMATE.start_f_~a_ref~0#1.offset)_1 Supporting invariants [] [2022-07-22 01:38:24,910 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 [2022-07-22 01:38:24,972 INFO L293 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2022-07-22 01:38:24,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:25,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 01:38:25,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:25,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-22 01:38:25,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:25,126 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 [2022-07-22 01:38:25,144 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-22 01:38:25,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2022-07-22 01:38:25,363 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-07-22 01:38:25,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 85 [2022-07-22 01:38:32,049 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 51 DAG size of output: 50 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 01:38:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:38:32,077 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-07-22 01:38:32,078 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-07-22 01:38:32,136 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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 28 states and 35 transitions. Complement of second has 8 states. [2022-07-22 01:38:32,137 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 [2022-07-22 01:38:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-07-22 01:38:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2022-07-22 01:38:32,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-22 01:38:32,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:38:32,142 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 01:38:32,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:32,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 01:38:32,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:32,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-22 01:38:32,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:32,215 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-22 01:38:32,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2022-07-22 01:38:32,369 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-07-22 01:38:32,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 85 [2022-07-22 01:38:35,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:38:35,597 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2022-07-22 01:38:35,598 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-07-22 01:38:35,623 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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 19 states and 22 transitions. Complement of second has 6 states. [2022-07-22 01:38:35,623 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 [2022-07-22 01:38:35,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-07-22 01:38:35,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2022-07-22 01:38:35,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-22 01:38:35,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:38:35,624 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 01:38:35,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:35,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 01:38:35,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:35,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-22 01:38:35,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:35,720 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-22 01:38:35,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2022-07-22 01:38:35,895 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-07-22 01:38:35,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 85 [2022-07-22 01:38:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:38:39,891 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-07-22 01:38:39,891 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-07-22 01:38:39,937 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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 29 states and 36 transitions. Complement of second has 7 states. [2022-07-22 01:38:39,937 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 [2022-07-22 01:38:39,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-07-22 01:38:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-07-22 01:38:39,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-22 01:38:39,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:38:39,939 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 01:38:39,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:39,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 01:38:39,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:39,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-22 01:38:39,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:40,031 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-22 01:38:40,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2022-07-22 01:38:40,193 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-07-22 01:38:40,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 85 [2022-07-22 01:38:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:38:41,720 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2022-07-22 01:38:41,721 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-07-22 01:38:41,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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 20 states and 23 transitions. Complement of second has 5 states. [2022-07-22 01:38:41,749 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 [2022-07-22 01:38:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-07-22 01:38:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-07-22 01:38:41,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-22 01:38:41,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:38:41,750 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 01:38:41,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:41,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 01:38:41,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:41,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-22 01:38:41,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:41,848 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-22 01:38:41,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2022-07-22 01:38:42,009 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-07-22 01:38:42,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 85 [2022-07-22 01:38:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:38:42,518 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-07-22 01:38:42,519 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-07-22 01:38:42,591 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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 51 states and 73 transitions. Complement of second has 13 states 6 powerset states7 rank states. The highest rank that occured is 3 [2022-07-22 01:38:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2022-07-22 01:38:42,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-07-22 01:38:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-07-22 01:38:42,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-22 01:38:42,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:38:42,593 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 01:38:42,594 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiAndReportRankingFunction(AbstractBuchiCegarLoop.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:358) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-22 01:38:42,596 INFO L158 Benchmark]: Toolchain (without parser) took 20660.68ms. Allocated memory was 52.4MB in the beginning and 83.9MB in the end (delta: 31.5MB). Free memory was 29.6MB in the beginning and 63.1MB in the end (delta: -33.5MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-07-22 01:38:42,596 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:38:42,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.30ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 29.4MB in the beginning and 46.7MB in the end (delta: -17.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-07-22 01:38:42,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.14ms. Allocated memory is still 67.1MB. Free memory was 46.5MB in the beginning and 44.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 01:38:42,597 INFO L158 Benchmark]: Boogie Preprocessor took 15.37ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 43.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:38:42,598 INFO L158 Benchmark]: RCFGBuilder took 254.69ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 32.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 01:38:42,598 INFO L158 Benchmark]: BuchiAutomizer took 20028.34ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 32.4MB in the beginning and 63.1MB in the end (delta: -30.8MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-07-22 01:38:42,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.30ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 29.4MB in the beginning and 46.7MB in the end (delta: -17.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.14ms. Allocated memory is still 67.1MB. Free memory was 46.5MB in the beginning and 44.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.37ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 43.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 254.69ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 32.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 20028.34ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 32.4MB in the beginning and 63.1MB in the end (delta: -30.8MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-22 01:38:42,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient