./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e1ff0e6 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-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c -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 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-15 02:22:48,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 02:22:48,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 02:22:48,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 02:22:48,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 02:22:48,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 02:22:48,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 02:22:48,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 02:22:48,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 02:22:48,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 02:22:48,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 02:22:48,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 02:22:48,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 02:22:48,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 02:22:48,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 02:22:48,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 02:22:48,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 02:22:48,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 02:22:48,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 02:22:48,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 02:22:48,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 02:22:48,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 02:22:48,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 02:22:48,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 02:22:48,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 02:22:48,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 02:22:48,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 02:22:48,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 02:22:48,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 02:22:48,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 02:22:48,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 02:22:48,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 02:22:48,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 02:22:48,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 02:22:48,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 02:22:48,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 02:22:48,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 02:22:48,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 02:22:48,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 02:22:48,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 02:22:48,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 02:22:48,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-15 02:22:48,830 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 02:22:48,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 02:22:48,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 02:22:48,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 02:22:48,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 02:22:48,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 02:22:48,832 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 02:22:48,833 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-15 02:22:48,833 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-15 02:22:48,833 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-15 02:22:48,834 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-15 02:22:48,834 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-15 02:22:48,834 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-15 02:22:48,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 02:22:48,834 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 02:22:48,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 02:22:48,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 02:22:48,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-15 02:22:48,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-15 02:22:48,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-15 02:22:48,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 02:22:48,836 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-15 02:22:48,836 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 02:22:48,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-15 02:22:48,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 02:22:48,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 02:22:48,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 02:22:48,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 02:22:48,838 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-15 02:22:48,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 [2023-02-15 02:22:49,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 02:22:49,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 02:22:49,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 02:22:49,166 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 02:22:49,166 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 02:22:49,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2023-02-15 02:22:50,397 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 02:22:50,558 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 02:22:50,559 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2023-02-15 02:22:50,566 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc88d57f/7561acac387641d8a243c697e603e582/FLAGe3b5428fb [2023-02-15 02:22:50,587 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc88d57f/7561acac387641d8a243c697e603e582 [2023-02-15 02:22:50,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 02:22:50,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 02:22:50,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 02:22:50,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 02:22:50,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 02:22:50,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a2ae19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50, skipping insertion in model container [2023-02-15 02:22:50,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 02:22:50,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 02:22:50,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:22:50,776 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 02:22:50,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:22:50,794 INFO L208 MainTranslator]: Completed translation [2023-02-15 02:22:50,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50 WrapperNode [2023-02-15 02:22:50,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 02:22:50,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 02:22:50,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 02:22:50,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 02:22:50,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,827 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2023-02-15 02:22:50,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 02:22:50,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 02:22:50,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 02:22:50,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 02:22:50,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,846 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 02:22:50,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 02:22:50,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 02:22:50,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 02:22:50,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (1/1) ... [2023-02-15 02:22:50,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:50,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:50,885 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) [2023-02-15 02:22:50,894 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 [2023-02-15 02:22:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 02:22:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 02:22:50,981 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 02:22:50,984 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 02:22:51,034 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 02:22:51,039 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 02:22:51,040 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 02:22:51,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:22:51 BoogieIcfgContainer [2023-02-15 02:22:51,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 02:22:51,043 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-15 02:22:51,043 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-15 02:22:51,046 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-15 02:22:51,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:22:51,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.02 02:22:50" (1/3) ... [2023-02-15 02:22:51,049 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47e532ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:22:51, skipping insertion in model container [2023-02-15 02:22:51,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:22:51,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:22:50" (2/3) ... [2023-02-15 02:22:51,049 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47e532ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:22:51, skipping insertion in model container [2023-02-15 02:22:51,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:22:51,050 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:22:51" (3/3) ... [2023-02-15 02:22:51,051 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2023-02-15 02:22:51,099 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-15 02:22:51,099 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-15 02:22:51,099 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-15 02:22:51,099 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-15 02:22:51,100 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-15 02:22:51,100 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-15 02:22:51,100 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-15 02:22:51,100 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-15 02:22:51,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2023-02-15 02:22:51,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:22:51,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:22:51,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:22:51,125 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-15 02:22:51,125 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 02:22:51,126 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-15 02:22:51,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2023-02-15 02:22:51,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:22:51,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:22:51,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:22:51,129 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-15 02:22:51,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 02:22:51,136 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L17true assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0; 7#L21-2true [2023-02-15 02:22:51,138 INFO L750 eck$LassoCheckResult]: Loop: 7#L21-2true assume !!(main_~i~0#1 < main_~n~0#1); 5#L21true assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1; 7#L21-2true [2023-02-15 02:22:51,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:51,155 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-02-15 02:22:51,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:22:51,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633205097] [2023-02-15 02:22:51,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:51,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:22:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:51,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:22:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:51,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:22:51,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:51,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 1 times [2023-02-15 02:22:51,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:22:51,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223550971] [2023-02-15 02:22:51,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:51,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:22:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:51,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:22:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:51,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:22:51,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:51,324 INFO L85 PathProgramCache]: Analyzing trace with hash 28693989, now seen corresponding path program 1 times [2023-02-15 02:22:51,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:22:51,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250471054] [2023-02-15 02:22:51,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:51,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:22:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:51,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:22:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:51,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:22:51,438 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:22:51,439 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:22:51,439 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:22:51,440 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:22:51,440 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 02:22:51,440 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:51,440 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:22:51,440 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:22:51,440 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration1_Loop [2023-02-15 02:22:51,441 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:22:51,441 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:22:51,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:51,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:51,514 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:51,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:51,601 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:22:51,602 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 02:22:51,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:51,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:51,607 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) [2023-02-15 02:22:51,609 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 [2023-02-15 02:22:51,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:51,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:51,632 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:22:51,632 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:22:51,640 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 [2023-02-15 02:22:51,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:51,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:51,645 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) [2023-02-15 02:22:51,648 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 [2023-02-15 02:22:51,650 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:51,650 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:51,663 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:22:51,663 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:22:51,669 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 [2023-02-15 02:22:51,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:51,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:51,673 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) [2023-02-15 02:22:51,677 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 [2023-02-15 02:22:51,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:51,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:51,710 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:22:51,710 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0#1=1, ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~n~0#1=1, ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:22:51,714 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 [2023-02-15 02:22:51,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:51,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:51,718 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) [2023-02-15 02:22:51,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:51,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:51,740 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 [2023-02-15 02:22:51,759 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 [2023-02-15 02:22:51,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:51,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:51,761 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) [2023-02-15 02:22:51,765 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 [2023-02-15 02:22:51,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:22:51,770 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:51,904 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 02:22:51,908 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 [2023-02-15 02:22:51,908 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:22:51,908 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:22:51,908 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:22:51,908 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:22:51,908 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 02:22:51,909 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:51,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:22:51,909 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:22:51,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration1_Loop [2023-02-15 02:22:51,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:22:51,909 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:22:51,910 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:51,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:51,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:51,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:51,997 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:22:52,001 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 02:22:52,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,005 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) [2023-02-15 02:22:52,017 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 [2023-02-15 02:22:52,024 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 [2023-02-15 02:22:52,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:52,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:52,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:52,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:52,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:22:52,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:22:52,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:22:52,044 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Exception during sending of exit command (exit): Broken pipe [2023-02-15 02:22:52,049 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 [2023-02-15 02:22:52,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,051 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) [2023-02-15 02:22:52,053 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 [2023-02-15 02:22:52,054 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 [2023-02-15 02:22:52,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:52,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:52,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:52,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:52,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:22:52,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:22:52,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:22:52,114 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 [2023-02-15 02:22:52,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,118 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) [2023-02-15 02:22:52,126 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 [2023-02-15 02:22:52,128 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 [2023-02-15 02:22:52,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:52,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:22:52,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:52,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:52,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:52,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:22:52,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:22:52,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:22:52,143 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 [2023-02-15 02:22:52,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,145 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) [2023-02-15 02:22:52,147 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 [2023-02-15 02:22:52,148 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 [2023-02-15 02:22:52,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:52,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:22:52,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:52,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:52,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:52,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:22:52,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:22:52,166 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 02:22:52,170 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-15 02:22:52,170 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 02:22:52,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,206 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) [2023-02-15 02:22:52,210 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 [2023-02-15 02:22:52,211 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 02:22:52,212 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 02:22:52,212 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 02:22:52,212 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2023-02-15 02:22:52,220 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 [2023-02-15 02:22:52,223 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 02:22:52,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:52,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:22:52,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:52,269 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 02:22:52,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:22:52,302 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-15 02:22:52,304 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-02-15 02:22:52,335 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 6 states. [2023-02-15 02:22:52,337 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 [2023-02-15 02:22:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-02-15 02:22:52,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-02-15 02:22:52,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-15 02:22:52,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:52,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-15 02:22:52,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:52,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 3 letters. Loop has 4 letters. [2023-02-15 02:22:52,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:52,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2023-02-15 02:22:52,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:22:52,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 9 states and 12 transitions. [2023-02-15 02:22:52,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-15 02:22:52,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-02-15 02:22:52,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-15 02:22:52,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 02:22:52,353 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-15 02:22:52,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-15 02:22:52,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-15 02:22:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 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) [2023-02-15 02:22:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-02-15 02:22:52,376 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-15 02:22:52,376 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-15 02:22:52,379 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-15 02:22:52,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-02-15 02:22:52,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:22:52,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:22:52,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:22:52,382 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-15 02:22:52,382 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 02:22:52,383 INFO L748 eck$LassoCheckResult]: Stem: 82#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 83#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 76#L17 assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0; 77#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 78#L21 assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1; 79#L21-2 [2023-02-15 02:22:52,383 INFO L750 eck$LassoCheckResult]: Loop: 79#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 84#L21 assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1; 79#L21-2 [2023-02-15 02:22:52,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:52,392 INFO L85 PathProgramCache]: Analyzing trace with hash 28693991, now seen corresponding path program 1 times [2023-02-15 02:22:52,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:22:52,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193372282] [2023-02-15 02:22:52,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:52,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:22:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:52,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:22:52,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:22:52,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193372282] [2023-02-15 02:22:52,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193372282] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:22:52,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:22:52,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 02:22:52,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825625319] [2023-02-15 02:22:52,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:22:52,443 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-02-15 02:22:52,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:52,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 2 times [2023-02-15 02:22:52,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:22:52,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63341730] [2023-02-15 02:22:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:52,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:22:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:52,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:22:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:52,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:22:52,469 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:22:52,469 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:22:52,469 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:22:52,469 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:22:52,470 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 02:22:52,470 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,470 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:22:52,470 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:22:52,470 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration2_Loop [2023-02-15 02:22:52,470 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:22:52,470 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:22:52,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:52,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:52,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:52,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:52,515 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:22:52,515 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 02:22:52,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,517 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2023-02-15 02:22:52,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-15 02:22:52,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:52,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:52,541 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:22:52,541 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:22:52,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:52,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,553 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2023-02-15 02:22:52,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:52,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:52,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-15 02:22:52,585 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:22:52,585 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:22:52,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:52,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,594 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2023-02-15 02:22:52,606 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:52,606 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:52,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-15 02:22:52,621 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:22:52,621 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0#1=1, ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~n~0#1=1, ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:22:52,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-02-15 02:22:52,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,626 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2023-02-15 02:22:52,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-15 02:22:52,629 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:52,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:52,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:52,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,659 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2023-02-15 02:22:52,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:22:52,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:52,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-15 02:22:52,788 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 02:22:52,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:52,792 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:22:52,792 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:22:52,792 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:22:52,792 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:22:52,792 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 02:22:52,792 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,792 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:22:52,793 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:22:52,793 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration2_Loop [2023-02-15 02:22:52,793 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:22:52,793 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:22:52,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:52,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:52,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:52,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:52,844 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:22:52,844 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 02:22:52,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,846 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2023-02-15 02:22:52,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-15 02:22:52,850 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 [2023-02-15 02:22:52,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:52,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:52,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:52,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:52,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:22:52,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:22:52,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:22:52,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-02-15 02:22:52,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,882 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2023-02-15 02:22:52,900 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 [2023-02-15 02:22:52,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-15 02:22:52,906 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 [2023-02-15 02:22:52,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:52,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:52,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:52,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:52,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:22:52,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:22:52,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:22:52,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:52,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,934 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2023-02-15 02:22:52,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-15 02:22:52,941 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 [2023-02-15 02:22:52,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:52,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:22:52,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:52,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:52,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:52,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:22:52,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:22:52,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:22:52,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:52,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:52,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:52,989 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2023-02-15 02:22:52,997 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 [2023-02-15 02:22:53,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:53,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:22:53,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:53,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:53,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:53,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:22:53,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:22:53,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-15 02:22:53,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 02:22:53,037 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-15 02:22:53,038 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 02:22:53,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:53,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:53,041 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2023-02-15 02:22:53,050 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 02:22:53,050 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 02:22:53,050 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 02:22:53,050 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~m~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~m~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-02-15 02:22:53,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-15 02:22:53,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:53,059 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 02:22:53,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:53,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:22:53,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:53,093 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 02:22:53,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:53,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:22:53,097 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-15 02:22:53,097 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:22:53,105 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 5 states. [2023-02-15 02:22:53,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-15 02:22:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:22:53,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-02-15 02:22:53,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-15 02:22:53,109 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:53,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-15 02:22:53,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:53,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2023-02-15 02:22:53,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:53,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2023-02-15 02:22:53,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:22:53,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2023-02-15 02:22:53,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-02-15 02:22:53,114 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-02-15 02:22:53,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-02-15 02:22:53,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 02:22:53,115 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-02-15 02:22:53,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-02-15 02:22:53,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-15 02:22:53,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2023-02-15 02:22:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-02-15 02:22:53,117 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-02-15 02:22:53,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:22:53,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 02:22:53,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 02:22:53,121 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-02-15 02:22:53,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:22:53,131 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2023-02-15 02:22:53,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2023-02-15 02:22:53,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:22:53,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 18 transitions. [2023-02-15 02:22:53,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-02-15 02:22:53,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-02-15 02:22:53,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2023-02-15 02:22:53,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 02:22:53,137 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2023-02-15 02:22:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2023-02-15 02:22:53,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2023-02-15 02:22:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) 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) [2023-02-15 02:22:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2023-02-15 02:22:53,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-02-15 02:22:53,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 02:22:53,145 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-02-15 02:22:53,145 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-15 02:22:53,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2023-02-15 02:22:53,146 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:22:53,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:22:53,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:22:53,147 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1] [2023-02-15 02:22:53,147 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 02:22:53,148 INFO L748 eck$LassoCheckResult]: Stem: 171#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 172#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 165#L17 assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0; 166#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 173#L21 assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1; 177#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 176#L21 assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1; 174#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 167#L21 assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1; 168#L21-2 [2023-02-15 02:22:53,148 INFO L750 eck$LassoCheckResult]: Loop: 168#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 175#L21 assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1; 168#L21-2 [2023-02-15 02:22:53,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:53,149 INFO L85 PathProgramCache]: Analyzing trace with hash -446365265, now seen corresponding path program 1 times [2023-02-15 02:22:53,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:22:53,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170562681] [2023-02-15 02:22:53,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:53,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:22:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-15 02:22:53,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:22:53,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170562681] [2023-02-15 02:22:53,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170562681] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 02:22:53,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236746748] [2023-02-15 02:22:53,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:53,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 02:22:53,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:53,214 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 02:22:53,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-02-15 02:22:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:53,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 02:22:53,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-15 02:22:53,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 02:22:53,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236746748] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:22:53,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 02:22:53,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-02-15 02:22:53,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316176935] [2023-02-15 02:22:53,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:22:53,279 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-02-15 02:22:53,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:53,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 3 times [2023-02-15 02:22:53,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:22:53,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512358833] [2023-02-15 02:22:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:53,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:22:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:53,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:22:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:53,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:22:53,310 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:22:53,311 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:22:53,311 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:22:53,311 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:22:53,311 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 02:22:53,311 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:53,311 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:22:53,311 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:22:53,311 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration3_Loop [2023-02-15 02:22:53,311 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:22:53,311 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:22:53,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,323 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,361 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:22:53,361 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 02:22:53,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:53,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:53,365 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2023-02-15 02:22:53,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:53,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:53,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-15 02:22:53,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:53,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:53,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:53,386 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2023-02-15 02:22:53,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-15 02:22:53,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:22:53,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:53,516 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 02:22:53,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:53,520 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:22:53,520 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:22:53,520 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:22:53,520 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:22:53,520 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 02:22:53,520 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:53,520 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:22:53,520 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:22:53,520 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration3_Loop [2023-02-15 02:22:53,520 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:22:53,520 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:22:53,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,540 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,584 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:22:53,584 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 02:22:53,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:53,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:53,586 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2023-02-15 02:22:53,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-15 02:22:53,591 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 [2023-02-15 02:22:53,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:53,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:22:53,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:53,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:53,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:53,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:22:53,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:22:53,617 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 02:22:53,620 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-15 02:22:53,620 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-15 02:22:53,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:53,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:53,628 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2023-02-15 02:22:53,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-15 02:22:53,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 02:22:53,632 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 02:22:53,632 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 02:22:53,632 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2023-02-15 02:22:53,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:53,640 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 02:22:53,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:53,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:22:53,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:53,678 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 02:22:53,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:22:53,682 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-15 02:22:53,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-02-15 02:22:53,699 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 15 states and 21 transitions. Complement of second has 5 states. [2023-02-15 02:22:53,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-15 02:22:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-02-15 02:22:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-02-15 02:22:53,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 9 letters. Loop has 2 letters. [2023-02-15 02:22:53,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:53,702 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-15 02:22:53,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:53,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:22:53,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:53,757 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 02:22:53,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:22:53,761 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-15 02:22:53,761 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-02-15 02:22:53,769 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 15 states and 21 transitions. Complement of second has 5 states. [2023-02-15 02:22:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-15 02:22:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-02-15 02:22:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-02-15 02:22:53,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 9 letters. Loop has 2 letters. [2023-02-15 02:22:53,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:53,771 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-15 02:22:53,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:53,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:22:53,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:53,801 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 02:22:53,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:22:53,804 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-15 02:22:53,804 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-02-15 02:22:53,811 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 17 states and 24 transitions. Complement of second has 4 states. [2023-02-15 02:22:53,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-15 02:22:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-02-15 02:22:53,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-02-15 02:22:53,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2023-02-15 02:22:53,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:53,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 11 letters. Loop has 2 letters. [2023-02-15 02:22:53,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:53,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 4 letters. [2023-02-15 02:22:53,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:53,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2023-02-15 02:22:53,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-15 02:22:53,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 20 transitions. [2023-02-15 02:22:53,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-15 02:22:53,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-02-15 02:22:53,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2023-02-15 02:22:53,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 02:22:53,815 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-02-15 02:22:53,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2023-02-15 02:22:53,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 8. [2023-02-15 02:22:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-02-15 02:22:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2023-02-15 02:22:53,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-02-15 02:22:53,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:22:53,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:22:53,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:22:53,818 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2023-02-15 02:22:53,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:22:53,826 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2023-02-15 02:22:53,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2023-02-15 02:22:53,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-15 02:22:53,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 10 transitions. [2023-02-15 02:22:53,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-15 02:22:53,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-02-15 02:22:53,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2023-02-15 02:22:53,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 02:22:53,827 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-02-15 02:22:53,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2023-02-15 02:22:53,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2023-02-15 02:22:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-02-15 02:22:53,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2023-02-15 02:22:53,828 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-15 02:22:53,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:22:53,829 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-15 02:22:53,830 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-15 02:22:53,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2023-02-15 02:22:53,830 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-15 02:22:53,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:22:53,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:22:53,830 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-15 02:22:53,831 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2023-02-15 02:22:53,831 INFO L748 eck$LassoCheckResult]: Stem: 398#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 399#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 393#L17 assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := 0;main_~j~0#1 := 0; 394#L21-2 [2023-02-15 02:22:53,831 INFO L750 eck$LassoCheckResult]: Loop: 394#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 396#L21 assume main_~j~0#1 < main_~m~0#1;main_~j~0#1 := 1 + main_~j~0#1; 397#L21-2 assume !!(main_~i~0#1 < main_~n~0#1); 395#L21 assume !(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 0;main_~i~0#1 := 1 + main_~i~0#1; 394#L21-2 [2023-02-15 02:22:53,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:53,832 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 2 times [2023-02-15 02:22:53,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:22:53,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009025828] [2023-02-15 02:22:53,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:53,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:22:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:53,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:22:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:53,839 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:22:53,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:53,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1357385, now seen corresponding path program 1 times [2023-02-15 02:22:53,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:22:53,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745179571] [2023-02-15 02:22:53,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:53,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:22:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:53,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:22:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:53,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:22:53,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:53,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1805120106, now seen corresponding path program 2 times [2023-02-15 02:22:53,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:22:53,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383548800] [2023-02-15 02:22:53,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:22:53,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:22:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:53,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:22:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:22:53,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:22:53,902 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:22:53,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:22:53,902 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:22:53,902 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:22:53,902 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 02:22:53,902 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:53,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:22:53,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:22:53,903 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration4_Loop [2023-02-15 02:22:53,903 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:22:53,903 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:22:53,904 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,913 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:53,969 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:22:53,970 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 02:22:53,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:53,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:53,971 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2023-02-15 02:22:53,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-15 02:22:53,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:53,975 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:53,997 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:22:53,997 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:22:54,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:54,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:54,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:54,007 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2023-02-15 02:22:54,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:54,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:54,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-15 02:22:54,033 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:22:54,033 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=1} Honda state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:22:54,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:54,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:54,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:54,041 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2023-02-15 02:22:54,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-15 02:22:54,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:54,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:54,061 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:22:54,061 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:22:54,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:54,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:54,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:54,066 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2023-02-15 02:22:54,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-02-15 02:22:54,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:22:54,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:54,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-02-15 02:22:54,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:54,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:54,084 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2023-02-15 02:22:54,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-02-15 02:22:54,093 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:22:54,094 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:22:54,191 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 02:22:54,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:54,195 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:22:54,195 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:22:54,195 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:22:54,195 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:22:54,196 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 02:22:54,196 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:54,196 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:22:54,196 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:22:54,196 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c_Iteration4_Loop [2023-02-15 02:22:54,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:22:54,196 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:22:54,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:54,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:54,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:54,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:22:54,261 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:22:54,261 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 02:22:54,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:54,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:54,265 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2023-02-15 02:22:54,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-02-15 02:22:54,273 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 [2023-02-15 02:22:54,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:54,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:22:54,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:54,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:54,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:54,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:22:54,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:22:54,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:22:54,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:54,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:54,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:54,297 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2023-02-15 02:22:54,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-02-15 02:22:54,331 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 [2023-02-15 02:22:54,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:54,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:54,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:54,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:54,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:22:54,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:22:54,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:22:54,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-02-15 02:22:54,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:54,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:54,351 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2023-02-15 02:22:54,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-02-15 02:22:54,355 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 [2023-02-15 02:22:54,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:54,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:54,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:54,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:54,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:22:54,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:22:54,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:22:54,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-02-15 02:22:54,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:54,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:54,382 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2023-02-15 02:22:54,391 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 [2023-02-15 02:22:54,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:22:54,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:22:54,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:22:54,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:22:54,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:22:54,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:22:54,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:22:54,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-02-15 02:22:54,413 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 02:22:54,416 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-15 02:22:54,416 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 02:22:54,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:22:54,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:22:54,420 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2023-02-15 02:22:54,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-02-15 02:22:54,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 02:22:54,422 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 02:22:54,422 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 02:22:54,422 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-02-15 02:22:54,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:54,434 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 02:22:54,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:22:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:54,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:22:54,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:54,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:54,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:54,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:22:54,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 02:22:54,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:22:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 02:22:54,505 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-15 02:22:54,505 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:22:54,512 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 15 transitions. Complement of second has 4 states. [2023-02-15 02:22:54,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-15 02:22:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:22:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-02-15 02:22:54,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2023-02-15 02:22:54,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:54,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 4 letters. [2023-02-15 02:22:54,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:54,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 8 letters. [2023-02-15 02:22:54,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:22:54,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2023-02-15 02:22:54,515 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 02:22:54,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2023-02-15 02:22:54,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-15 02:22:54,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-15 02:22:54,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-15 02:22:54,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-15 02:22:54,516 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:22:54,516 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:22:54,516 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:22:54,517 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-15 02:22:54,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-15 02:22:54,517 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 02:22:54,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-15 02:22:54,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.02 02:22:54 BoogieIcfgContainer [2023-02-15 02:22:54,524 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-15 02:22:54,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 02:22:54,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 02:22:54,525 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 02:22:54,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:22:51" (3/4) ... [2023-02-15 02:22:54,527 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 02:22:54,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 02:22:54,528 INFO L158 Benchmark]: Toolchain (without parser) took 3937.57ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 74.8MB in the beginning and 113.1MB in the end (delta: -38.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:22:54,528 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:22:54,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.32ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 65.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 02:22:54,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.05ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:22:54,529 INFO L158 Benchmark]: Boogie Preprocessor took 19.65ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 63.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:22:54,529 INFO L158 Benchmark]: RCFGBuilder took 192.71ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 54.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 02:22:54,530 INFO L158 Benchmark]: BuchiAutomizer took 3481.03ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 54.6MB in the beginning and 113.1MB in the end (delta: -58.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:22:54,530 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 148.9MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:22:54,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.32ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 65.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.05ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.65ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 63.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 192.71ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 54.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3481.03ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 54.6MB in the beginning and 113.1MB in the end (delta: -58.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 148.9MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * j + m and consists of 4 locations. One deterministic module has affine ranking function -1 * j + m and consists of 3 locations. One deterministic module has affine ranking function -1 * i + n and consists of 3 locations. One nondeterministic module has affine ranking function -1 * j + m and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 5 iterations. TraceHistogramMax:3. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 53 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax182 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf112 neg98 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-15 02:22:54,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-02-15 02:22:54,748 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 Writing output log to file Ultimate.log Result: TRUE