./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/trex04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/trex04.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:18:54,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:18:54,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:18:54,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:18:54,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:18:54,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:18:54,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:18:54,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:18:54,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:18:54,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:18:54,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:18:54,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:18:54,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:18:54,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:18:54,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:18:54,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:18:54,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:18:54,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:18:54,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:18:54,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:18:54,893 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:18:54,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:18:54,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:18:54,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:18:54,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:18:54,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:18:54,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:18:54,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:18:54,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:18:54,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:18:54,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:18:54,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:18:54,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:18:54,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:18:54,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:18:54,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:18:54,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:18:54,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:18:54,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:18:54,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:18:54,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:18:54,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:18:54,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:18:54,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:18:54,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:18:54,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:18:54,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:18:54,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:18:54,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:18:54,957 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:18:54,957 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:18:54,957 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:18:54,962 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:18:54,963 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:18:54,963 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:18:54,963 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:18:54,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:18:54,964 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:18:54,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:18:54,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:18:54,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:18:54,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:18:54,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:18:54,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:18:54,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:18:54,965 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:18:54,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:18:54,966 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:18:54,966 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:18:54,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:18:54,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:18:54,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:18:54,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:18:54,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:18:54,970 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:18:54,970 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 [2022-07-22 02:18:55,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:18:55,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:18:55,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:18:55,306 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:18:55,307 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:18:55,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex04.c [2022-07-22 02:18:55,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88047b272/d684f439132c450d98f1e7f294f42467/FLAGa0281050b [2022-07-22 02:18:55,816 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:18:55,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c [2022-07-22 02:18:55,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88047b272/d684f439132c450d98f1e7f294f42467/FLAGa0281050b [2022-07-22 02:18:55,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88047b272/d684f439132c450d98f1e7f294f42467 [2022-07-22 02:18:55,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:18:55,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:18:55,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:18:55,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:18:55,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:18:55,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:18:55" (1/1) ... [2022-07-22 02:18:55,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58de5dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:55, skipping insertion in model container [2022-07-22 02:18:55,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:18:55" (1/1) ... [2022-07-22 02:18:55,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:18:55,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:18:55,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c[405,418] [2022-07-22 02:18:55,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:18:56,000 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:18:56,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c[405,418] [2022-07-22 02:18:56,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:18:56,076 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:18:56,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56 WrapperNode [2022-07-22 02:18:56,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:18:56,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:18:56,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:18:56,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:18:56,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (1/1) ... [2022-07-22 02:18:56,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (1/1) ... [2022-07-22 02:18:56,112 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2022-07-22 02:18:56,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:18:56,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:18:56,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:18:56,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:18:56,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (1/1) ... [2022-07-22 02:18:56,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (1/1) ... [2022-07-22 02:18:56,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (1/1) ... [2022-07-22 02:18:56,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (1/1) ... [2022-07-22 02:18:56,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (1/1) ... [2022-07-22 02:18:56,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (1/1) ... [2022-07-22 02:18:56,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (1/1) ... [2022-07-22 02:18:56,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:18:56,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:18:56,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:18:56,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:18:56,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (1/1) ... [2022-07-22 02:18:56,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 02:18:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:18:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:18:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:18:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:18:56,295 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:18:56,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:18:56,465 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:18:56,473 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:18:56,473 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 02:18:56,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:18:56 BoogieIcfgContainer [2022-07-22 02:18:56,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:18:56,480 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:18:56,480 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:18:56,482 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:18:56,495 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:18:56,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:18:55" (1/3) ... [2022-07-22 02:18:56,496 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2290b602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:18:56, skipping insertion in model container [2022-07-22 02:18:56,497 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:18:56,497 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:56" (2/3) ... [2022-07-22 02:18:56,497 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2290b602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:18:56, skipping insertion in model container [2022-07-22 02:18:56,497 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:18:56,497 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:18:56" (3/3) ... [2022-07-22 02:18:56,498 INFO L354 chiAutomizerObserver]: Analyzing ICFG trex04.c [2022-07-22 02:18:56,554 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:18:56,554 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:18:56,554 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:18:56,554 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:18:56,554 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:18:56,555 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:18:56,555 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:18:56,555 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:18:56,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:56,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-22 02:18:56,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:56,584 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:56,590 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:56,590 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:18:56,590 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:18:56,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:56,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-22 02:18:56,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:56,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:56,596 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:56,596 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:18:56,601 INFO L752 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 9#L31true assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 17#L34true assume !(0 != main_~c1~1#1 % 256); 12#L34-2true assume !(0 != main_~c2~1#1 % 256); 14#L35-1true main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 23#L39true assume !(0 != main_~c1~1#1 % 256); 16#L39-2true assume !(0 != main_~c2~1#1 % 256); 4#L42-1true [2022-07-22 02:18:56,601 INFO L754 eck$LassoCheckResult]: Loop: 4#L42-1true assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 4#L42-1true [2022-07-22 02:18:56,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:56,608 INFO L85 PathProgramCache]: Analyzing trace with hash 179996080, now seen corresponding path program 1 times [2022-07-22 02:18:56,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:56,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473735421] [2022-07-22 02:18:56,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:56,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,685 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:56,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:56,716 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 1 times [2022-07-22 02:18:56,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:56,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237872942] [2022-07-22 02:18:56,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:56,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,723 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:56,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:56,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1284911250, now seen corresponding path program 1 times [2022-07-22 02:18:56,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:56,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000520613] [2022-07-22 02:18:56,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:56,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,751 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:57,064 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:57,065 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:57,065 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:57,065 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:57,065 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:57,065 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,066 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:57,066 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:57,066 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2022-07-22 02:18:57,066 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:57,066 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:57,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,397 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:57,400 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:57,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 02:18:57,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:57,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:57,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:57,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:57,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,484 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 02:18:57,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:57,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,551 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 02:18:57,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:57,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,619 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 02:18:57,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:57,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 02:18:57,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-22 02:18:57,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,723 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 02:18:57,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:57,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,762 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 02:18:57,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-22 02:18:57,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,809 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 02:18:57,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:57,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:57,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:57,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:57,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,839 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) [2022-07-22 02:18:57,839 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 [2022-07-22 02:18:57,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,905 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 [2022-07-22 02:18:57,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,907 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) [2022-07-22 02:18:57,908 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 [2022-07-22 02:18:57,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,943 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 [2022-07-22 02:18:57,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,945 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) [2022-07-22 02:18:57,946 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 [2022-07-22 02:18:57,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:57,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:58,010 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 [2022-07-22 02:18:58,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,012 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) [2022-07-22 02:18:58,014 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 [2022-07-22 02:18:58,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:58,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:58,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:58,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:58,067 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 [2022-07-22 02:18:58,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,069 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) [2022-07-22 02:18:58,071 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 [2022-07-22 02:18:58,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:58,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:58,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:58,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:58,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:58,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,116 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) [2022-07-22 02:18:58,117 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 [2022-07-22 02:18:58,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:58,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:58,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:58,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:58,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-07-22 02:18:58,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,161 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) [2022-07-22 02:18:58,162 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 [2022-07-22 02:18:58,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:58,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:58,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:58,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:58,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:58,230 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 [2022-07-22 02:18:58,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,231 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) [2022-07-22 02:18:58,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:58,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:58,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:58,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:58,248 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 [2022-07-22 02:18:58,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:58,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:58,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,291 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) [2022-07-22 02:18:58,301 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 [2022-07-22 02:18:58,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:58,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:58,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:58,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:58,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:58,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-07-22 02:18:58,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,328 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) [2022-07-22 02:18:58,329 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 [2022-07-22 02:18:58,331 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 [2022-07-22 02:18:58,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:58,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:58,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:58,382 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 [2022-07-22 02:18:58,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,383 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) [2022-07-22 02:18:58,385 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 [2022-07-22 02:18:58,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:58,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:58,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:58,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:58,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:58,415 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 [2022-07-22 02:18:58,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,416 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) [2022-07-22 02:18:58,420 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 [2022-07-22 02:18:58,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:18:58,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:58,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:58,445 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:58,478 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-07-22 02:18:58,478 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-22 02:18:58,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,491 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:58,496 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:58,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-22 02:18:58,535 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 02:18:58,536 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:58,536 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~d~0#1 - 1 >= 0] [2022-07-22 02:18:58,566 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 [2022-07-22 02:18:58,574 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 02:18:58,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:58,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 02:18:58,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:58,704 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:18:58,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:18:58,741 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-07-22 02:18:58,743 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 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) [2022-07-22 02:18:58,826 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 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 71 states and 99 transitions. Complement of second has 8 states. [2022-07-22 02:18:58,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2022-07-22 02:18:58,834 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) [2022-07-22 02:18:58,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2022-07-22 02:18:58,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 02:18:58,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:58,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 02:18:58,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:58,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 02:18:58,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:58,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 99 transitions. [2022-07-22 02:18:58,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-07-22 02:18:58,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 28 states and 42 transitions. [2022-07-22 02:18:58,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-07-22 02:18:58,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-07-22 02:18:58,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 42 transitions. [2022-07-22 02:18:58,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:18:58,858 INFO L369 hiAutomatonCegarLoop]: Abstraction has 28 states and 42 transitions. [2022-07-22 02:18:58,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 42 transitions. [2022-07-22 02:18:58,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-07-22 02:18:58,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.56) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2022-07-22 02:18:58,884 INFO L392 hiAutomatonCegarLoop]: Abstraction has 25 states and 39 transitions. [2022-07-22 02:18:58,884 INFO L374 stractBuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2022-07-22 02:18:58,884 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:18:58,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 39 transitions. [2022-07-22 02:18:58,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-22 02:18:58,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:58,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:58,887 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:58,887 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:18:58,888 INFO L752 eck$LassoCheckResult]: Stem: 168#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 169#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 170#L31 assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 171#L34 assume 0 != main_~c1~1#1 % 256;main_~d~0#1 := main_~d~0#1 - 1; 174#L34-2 assume !(0 != main_~c2~1#1 % 256); 176#L35-1 main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 177#L39 assume !(0 != main_~c1~1#1 % 256); 167#L39-2 assume !(0 != main_~c2~1#1 % 256); 164#L42-1 [2022-07-22 02:18:58,888 INFO L754 eck$LassoCheckResult]: Loop: 164#L42-1 assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 164#L42-1 [2022-07-22 02:18:58,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:58,891 INFO L85 PathProgramCache]: Analyzing trace with hash 178149038, now seen corresponding path program 1 times [2022-07-22 02:18:58,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:58,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526619304] [2022-07-22 02:18:58,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:58,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,903 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:58,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:58,928 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 2 times [2022-07-22 02:18:58,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:58,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337311717] [2022-07-22 02:18:58,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:58,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,941 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:58,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:58,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1227652948, now seen corresponding path program 1 times [2022-07-22 02:18:58,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:58,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111539114] [2022-07-22 02:18:58,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:58,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,970 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:59,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:59,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:18:59 BoogieIcfgContainer [2022-07-22 02:18:59,200 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:18:59,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:18:59,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:18:59,201 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:18:59,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:18:56" (3/4) ... [2022-07-22 02:18:59,203 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:18:59,229 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:18:59,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:18:59,230 INFO L158 Benchmark]: Toolchain (without parser) took 3391.92ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 48.3MB in the beginning and 54.5MB in the end (delta: -6.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-07-22 02:18:59,230 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:18:59,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.71ms. Allocated memory is still 67.1MB. Free memory was 48.2MB in the beginning and 50.6MB in the end (delta: -2.4MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-07-22 02:18:59,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.29ms. Allocated memory is still 67.1MB. Free memory was 50.4MB in the beginning and 48.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:18:59,231 INFO L158 Benchmark]: Boogie Preprocessor took 38.19ms. Allocated memory is still 67.1MB. Free memory was 48.9MB in the beginning and 47.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:18:59,232 INFO L158 Benchmark]: RCFGBuilder took 326.68ms. Allocated memory is still 67.1MB. Free memory was 47.9MB in the beginning and 37.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 02:18:59,232 INFO L158 Benchmark]: BuchiAutomizer took 2720.80ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 56.2MB in the end (delta: -18.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-07-22 02:18:59,233 INFO L158 Benchmark]: Witness Printer took 28.34ms. Allocated memory is still 81.8MB. Free memory was 56.2MB in the beginning and 54.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:18:59,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.71ms. Allocated memory is still 67.1MB. Free memory was 48.2MB in the beginning and 50.6MB in the end (delta: -2.4MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.29ms. Allocated memory is still 67.1MB. Free memory was 50.4MB in the beginning and 48.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.19ms. Allocated memory is still 67.1MB. Free memory was 48.9MB in the beginning and 47.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.68ms. Allocated memory is still 67.1MB. Free memory was 47.9MB in the beginning and 37.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2720.80ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 56.2MB in the end (delta: -18.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 28.34ms. Allocated memory is still 81.8MB. Free memory was 56.2MB in the beginning and 54.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function x and consists of 6 locations. The remainder module has 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 51 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital91 mio100 ax100 hnf100 lsp25 ukn100 mio100 lsp100 div191 bol100 ite100 ukn100 eq145 hnf95 smp54 dnf100 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 42]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@439f5888=0, NULL=0, NULL=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4742b694=0, c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74efc00c=0, x=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e20fac0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40e3bd5c=0, d=0, c1=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 28]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 [L35] COND FALSE !(\read(c2)) [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) [L40] COND FALSE !(\read(c2)) Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:18:59,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)