./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/sum04-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/sum04-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 18:34:12,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 18:34:12,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 18:34:12,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 18:34:12,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 18:34:12,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 18:34:12,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 18:34:12,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 18:34:12,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 18:34:12,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 18:34:12,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 18:34:12,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 18:34:12,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 18:34:12,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 18:34:12,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 18:34:12,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 18:34:12,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 18:34:12,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 18:34:12,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 18:34:12,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 18:34:12,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 18:34:12,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 18:34:12,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 18:34:12,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 18:34:12,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 18:34:12,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 18:34:12,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 18:34:12,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 18:34:12,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 18:34:12,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 18:34:12,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 18:34:12,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 18:34:12,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 18:34:12,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 18:34:12,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 18:34:12,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 18:34:12,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 18:34:12,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 18:34:12,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 18:34:12,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 18:34:12,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 18:34:12,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 18:34:12,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 18:34:12,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 18:34:12,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 18:34:12,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 18:34:12,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 18:34:12,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 18:34:12,698 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 18:34:12,698 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 18:34:12,698 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 18:34:12,698 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 18:34:12,699 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 18:34:12,699 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 18:34:12,699 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 18:34:12,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 18:34:12,700 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 18:34:12,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 18:34:12,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 18:34:12,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 18:34:12,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 18:34:12,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 18:34:12,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 18:34:12,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 18:34:12,701 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 18:34:12,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 18:34:12,702 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 18:34:12,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 18:34:12,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 18:34:12,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 18:34:12,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 18:34:12,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 18:34:12,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 18:34:12,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 18:34:12,704 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 18:34:12,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2 [2021-12-19 18:34:12,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 18:34:12,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 18:34:12,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 18:34:12,992 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 18:34:12,992 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 18:34:12,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum04-2.i [2021-12-19 18:34:13,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c52b7db/609ea03f7bc34eecaa93580e5bea5fce/FLAG3364de251 [2021-12-19 18:34:13,394 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 18:34:13,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum04-2.i [2021-12-19 18:34:13,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c52b7db/609ea03f7bc34eecaa93580e5bea5fce/FLAG3364de251 [2021-12-19 18:34:13,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c52b7db/609ea03f7bc34eecaa93580e5bea5fce [2021-12-19 18:34:13,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 18:34:13,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 18:34:13,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 18:34:13,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 18:34:13,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 18:34:13,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:34:13" (1/1) ... [2021-12-19 18:34:13,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3134d13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:13, skipping insertion in model container [2021-12-19 18:34:13,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:34:13" (1/1) ... [2021-12-19 18:34:13,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 18:34:13,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 18:34:14,070 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/sum04-2.i[808,821] [2021-12-19 18:34:14,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 18:34:14,080 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 18:34:14,088 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/sum04-2.i[808,821] [2021-12-19 18:34:14,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 18:34:14,102 INFO L208 MainTranslator]: Completed translation [2021-12-19 18:34:14,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14 WrapperNode [2021-12-19 18:34:14,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 18:34:14,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 18:34:14,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 18:34:14,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 18:34:14,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (1/1) ... [2021-12-19 18:34:14,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (1/1) ... [2021-12-19 18:34:14,130 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2021-12-19 18:34:14,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 18:34:14,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 18:34:14,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 18:34:14,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 18:34:14,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (1/1) ... [2021-12-19 18:34:14,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (1/1) ... [2021-12-19 18:34:14,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (1/1) ... [2021-12-19 18:34:14,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (1/1) ... [2021-12-19 18:34:14,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (1/1) ... [2021-12-19 18:34:14,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (1/1) ... [2021-12-19 18:34:14,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (1/1) ... [2021-12-19 18:34:14,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 18:34:14,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 18:34:14,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 18:34:14,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 18:34:14,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (1/1) ... [2021-12-19 18:34:14,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:34:14,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:34:14,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:34:14,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-19 18:34:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 18:34:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 18:34:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 18:34:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 18:34:14,242 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 18:34:14,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 18:34:14,322 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 18:34:14,328 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 18:34:14,328 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 18:34:14,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:34:14 BoogieIcfgContainer [2021-12-19 18:34:14,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 18:34:14,331 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 18:34:14,331 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 18:34:14,334 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 18:34:14,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 18:34:14,335 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 06:34:13" (1/3) ... [2021-12-19 18:34:14,335 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37be4645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 06:34:14, skipping insertion in model container [2021-12-19 18:34:14,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 18:34:14,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:34:14" (2/3) ... [2021-12-19 18:34:14,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37be4645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 06:34:14, skipping insertion in model container [2021-12-19 18:34:14,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 18:34:14,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:34:14" (3/3) ... [2021-12-19 18:34:14,337 INFO L388 chiAutomizerObserver]: Analyzing ICFG sum04-2.i [2021-12-19 18:34:14,384 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 18:34:14,385 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 18:34:14,385 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 18:34:14,385 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 18:34:14,385 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 18:34:14,385 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 18:34:14,385 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 18:34:14,386 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 18:34:14,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:34:14,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 18:34:14,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:34:14,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:34:14,409 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-19 18:34:14,410 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 18:34:14,410 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 18:34:14,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:34:14,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 18:34:14,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:34:14,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:34:14,412 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-19 18:34:14,412 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 18:34:14,416 INFO L791 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(10, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~i~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 10#L24-3true [2021-12-19 18:34:14,417 INFO L793 eck$LassoCheckResult]: Loop: 10#L24-3true assume !!(main_~i~0#1 <= 8);main_~sn~0#1 := 2 + main_~sn~0#1; 7#L24-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 10#L24-3true [2021-12-19 18:34:14,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:34:14,427 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-19 18:34:14,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:34:14,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728893036] [2021-12-19 18:34:14,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:34:14,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:34:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:34:14,485 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:34:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:34:14,508 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:34:14,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:34:14,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-12-19 18:34:14,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:34:14,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828117662] [2021-12-19 18:34:14,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:34:14,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:34:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:34:14,517 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:34:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:34:14,520 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:34:14,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:34:14,521 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-12-19 18:34:14,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:34:14,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812562176] [2021-12-19 18:34:14,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:34:14,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:34:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:34:14,529 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:34:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:34:14,535 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:34:14,587 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 18:34:14,588 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 18:34:14,588 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 18:34:14,588 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 18:34:14,588 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 18:34:14,588 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:34:14,589 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 18:34:14,589 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 18:34:14,589 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum04-2.i_Iteration1_Loop [2021-12-19 18:34:14,589 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 18:34:14,589 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 18:34:14,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:34:14,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:34:14,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:34:14,655 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 18:34:14,656 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 18:34:14,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:34:14,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:34:14,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:34:14,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 18:34:14,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 18:34:14,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-19 18:34:14,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-19 18:34:14,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:34:14,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:34:14,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:34:14,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-19 18:34:14,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 18:34:14,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 18:34:14,748 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 18:34:14,749 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0#1=0} Honda state: {ULTIMATE.start_main_~sn~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0#1=3}, {ULTIMATE.start_main_~sn~0#1=-1}, {ULTIMATE.start_main_~sn~0#1=0}] Lambdas: [1, 1, 0] Nus: [0, 0] [2021-12-19 18:34:14,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-19 18:34:14,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:34:14,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:34:14,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:34:14,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-19 18:34:14,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 18:34:14,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 18:34:14,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-19 18:34:14,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:34:14,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:34:14,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:34:14,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-19 18:34:14,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 18:34:14,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 18:34:14,901 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 18:34:14,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-19 18:34:14,905 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 18:34:14,905 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 18:34:14,905 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 18:34:14,906 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 18:34:14,906 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 18:34:14,906 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:34:14,906 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 18:34:14,906 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 18:34:14,913 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum04-2.i_Iteration1_Loop [2021-12-19 18:34:14,913 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 18:34:14,913 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 18:34:14,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:34:14,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:34:14,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:34:14,945 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 18:34:14,949 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 18:34:14,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:34:14,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:34:14,951 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:34:14,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:34:14,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:34:14,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:34:14,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:34:14,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:34:14,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:34:14,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:34:14,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:34:14,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-19 18:34:14,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:34:15,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-19 18:34:15,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:34:15,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:34:15,009 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:34:15,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-19 18:34:15,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:34:15,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:34:15,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:34:15,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:34:15,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:34:15,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:34:15,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:34:15,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:34:15,021 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 18:34:15,026 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-19 18:34:15,026 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-19 18:34:15,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:34:15,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:34:15,028 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:34:15,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-19 18:34:15,076 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 18:34:15,076 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-19 18:34:15,076 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 18:34:15,077 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 17 Supporting invariants [] [2021-12-19 18:34:15,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-19 18:34:15,099 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-19 18:34:15,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:34:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:34:15,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 18:34:15,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 18:34:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:34:15,146 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 18:34:15,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 18:34:15,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 18:34:15,182 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-19 18:34:15,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:34:15,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 27 states and 33 transitions. Complement of second has 7 states. [2021-12-19 18:34:15,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-19 18:34:15,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:34:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-12-19 18:34:15,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-19 18:34:15,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:34:15,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-19 18:34:15,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:34:15,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-19 18:34:15,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:34:15,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2021-12-19 18:34:15,236 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 18:34:15,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-12-19 18:34:15,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 18:34:15,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 18:34:15,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 18:34:15,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 18:34:15,239 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 18:34:15,239 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 18:34:15,239 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 18:34:15,239 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 18:34:15,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-19 18:34:15,240 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 18:34:15,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-19 18:34:15,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 06:34:15 BoogieIcfgContainer [2021-12-19 18:34:15,245 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 18:34:15,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 18:34:15,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 18:34:15,246 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 18:34:15,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:34:14" (3/4) ... [2021-12-19 18:34:15,250 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-19 18:34:15,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 18:34:15,251 INFO L158 Benchmark]: Toolchain (without parser) took 1417.87ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 65.2MB in the beginning and 92.1MB in the end (delta: -26.9MB). Peak memory consumption was 551.6kB. Max. memory is 16.1GB. [2021-12-19 18:34:15,251 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 102.8MB. Free memory was 81.4MB in the beginning and 81.4MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 18:34:15,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.19ms. Allocated memory is still 102.8MB. Free memory was 65.0MB in the beginning and 77.9MB in the end (delta: -13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 18:34:15,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.62ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 76.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 18:34:15,256 INFO L158 Benchmark]: Boogie Preprocessor took 16.19ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 75.5MB in the end (delta: 824.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 18:34:15,257 INFO L158 Benchmark]: RCFGBuilder took 181.75ms. Allocated memory is still 102.8MB. Free memory was 75.5MB in the beginning and 67.2MB in the end (delta: 8.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 18:34:15,257 INFO L158 Benchmark]: BuchiAutomizer took 914.50ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 67.0MB in the beginning and 92.7MB in the end (delta: -25.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2021-12-19 18:34:15,258 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 92.1MB in the end (delta: 599.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 18:34:15,262 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 102.8MB. Free memory was 81.4MB in the beginning and 81.4MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.19ms. Allocated memory is still 102.8MB. Free memory was 65.0MB in the beginning and 77.9MB in the end (delta: -13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.62ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 76.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.19ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 75.5MB in the end (delta: 824.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 181.75ms. Allocated memory is still 102.8MB. Free memory was 75.5MB in the beginning and 67.2MB in the end (delta: 8.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 914.50ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 67.0MB in the beginning and 92.7MB in the end (delta: -25.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 92.1MB in the end (delta: 599.5kB). 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). One deterministic module has affine ranking function -2 * i + 17 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-19 18:34:15,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-19 18:34:15,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE