./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Gothenburg-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/Gothenburg-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70b7927a0492d6be5caba90d696a196e2b22ba2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:13:27,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:13:27,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:13:27,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:13:27,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:13:27,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:13:27,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:13:27,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:13:27,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:13:27,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:13:27,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:13:27,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:13:27,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:13:27,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:13:27,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:13:27,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:13:27,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:13:27,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:13:27,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:13:27,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:13:27,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:13:27,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:13:27,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:13:27,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:13:27,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:13:27,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:13:27,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:13:27,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:13:27,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:13:27,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:13:27,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:13:27,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:13:27,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:13:27,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:13:27,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:13:27,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:13:27,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:13:27,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:13:27,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:13:27,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:13:27,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:13:27,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:13:27,966 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:13:27,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:13:27,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:13:27,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:13:27,969 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:13:27,969 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:13:27,970 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:13:27,970 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:13:27,970 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:13:27,970 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:13:27,971 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:13:27,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:13:27,971 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:13:27,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:13:27,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:13:27,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:13:27,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:13:27,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:13:27,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:13:27,973 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:13:27,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:13:27,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:13:27,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:13:27,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:13:27,975 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:13:27,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:13:27,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:13:27,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:13:27,976 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:13:27,977 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:13:27,977 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70b7927a0492d6be5caba90d696a196e2b22ba2a [2020-10-26 04:13:28,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:13:28,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:13:28,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:13:28,382 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:13:28,383 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:13:28,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2020-10-26 04:13:28,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6587566fb/820740bd8d06401bb1a4d26fa08b43e2/FLAG754357224 [2020-10-26 04:13:28,950 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:13:28,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2020-10-26 04:13:28,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6587566fb/820740bd8d06401bb1a4d26fa08b43e2/FLAG754357224 [2020-10-26 04:13:29,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6587566fb/820740bd8d06401bb1a4d26fa08b43e2 [2020-10-26 04:13:29,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:13:29,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:13:29,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:13:29,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:13:29,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:13:29,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28dc49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29, skipping insertion in model container [2020-10-26 04:13:29,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:13:29,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:13:29,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:13:29,549 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:13:29,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:13:29,644 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:13:29,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29 WrapperNode [2020-10-26 04:13:29,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:13:29,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:13:29,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:13:29,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:13:29,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:13:29,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:13:29,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:13:29,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:13:29,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (1/1) ... [2020-10-26 04:13:29,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:13:29,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:13:29,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:13:29,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:13:29,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:13:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:13:29,943 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:13:29,944 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:13:29,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:13:29 BoogieIcfgContainer [2020-10-26 04:13:29,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:13:29,947 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:13:29,947 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:13:29,950 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:13:29,951 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:13:29,951 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:13:29" (1/3) ... [2020-10-26 04:13:29,952 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25b0e62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:13:29, skipping insertion in model container [2020-10-26 04:13:29,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:13:29,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:13:29" (2/3) ... [2020-10-26 04:13:29,953 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25b0e62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:13:29, skipping insertion in model container [2020-10-26 04:13:29,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:13:29,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:13:29" (3/3) ... [2020-10-26 04:13:29,955 INFO L373 chiAutomizerObserver]: Analyzing ICFG Gothenburg-1.c [2020-10-26 04:13:30,021 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:13:30,022 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:13:30,022 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:13:30,022 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:13:30,022 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:13:30,022 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:13:30,023 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:13:30,023 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:13:30,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-26 04:13:30,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:13:30,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:13:30,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:13:30,063 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:13:30,064 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:13:30,064 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:13:30,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-26 04:13:30,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:13:30,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:13:30,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:13:30,067 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:13:30,067 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:13:30,076 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~b~0, main_~x~0, main_~y~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~x~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 6#L22true assume !!(-268435455 <= main_~a~0 && main_~a~0 <= 268435455); 7#L23true assume !!(-268435455 <= main_~b~0 && main_~b~0 <= 268435455); 9#L24true assume !!(-268435455 <= main_~x~0 && main_~x~0 <= 268435455); 11#L25true assume !!(-268435455 <= main_~y~0 && main_~y~0 <= 268435455); 3#L26true assume main_~a~0 == main_~b~0; 12#L27-2true [2020-10-26 04:13:30,076 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0 || main_~y~0 >= 0);main_~x~0 := main_~x~0 + main_~a~0 - main_~b~0 - 1;main_~y~0 := main_~y~0 + main_~b~0 - main_~a~0 - 1; 12#L27-2true [2020-10-26 04:13:30,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:13:30,084 INFO L82 PathProgramCache]: Analyzing trace with hash 922017710, now seen corresponding path program 1 times [2020-10-26 04:13:30,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:13:30,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256988410] [2020-10-26 04:13:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:13:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:30,202 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:30,213 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:30,234 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:13:30,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:13:30,236 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2020-10-26 04:13:30,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:13:30,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026576246] [2020-10-26 04:13:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:13:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:30,247 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:30,254 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:30,256 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:13:30,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:13:30,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1482222029, now seen corresponding path program 1 times [2020-10-26 04:13:30,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:13:30,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383639730] [2020-10-26 04:13:30,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:13:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:30,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:13:30,283 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:13:30,291 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:13:30,457 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-10-26 04:13:30,512 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:13:30,513 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:13:30,513 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:13:30,514 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:13:30,514 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:13:30,514 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:30,514 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:13:30,515 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:13:30,515 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Loop [2020-10-26 04:13:30,515 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:13:30,515 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:13:30,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:30,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:30,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:30,717 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:13:30,718 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:30,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:30,729 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:30,740 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:30,741 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:30,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:30,780 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:30,784 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:30,785 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:30,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:30,824 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:30,875 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:13:30,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:13:31,277 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:31,278 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~b~0=1, ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~b~0=1, ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=7, ULTIMATE.start_main_~a~0=6, ULTIMATE.start_main_~b~0=6, ULTIMATE.start_main_~x~0=-7}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-4, ULTIMATE.start_main_~b~0=-4, ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~a~0=-2, ULTIMATE.start_main_~b~0=-2, ULTIMATE.start_main_~x~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] [2020-10-26 04:13:31,436 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:13:31,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:13:31,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:13:31,436 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:13:31,436 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:13:31,437 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:31,437 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:13:31,437 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:13:31,437 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2020-10-26 04:13:31,437 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:13:31,437 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:13:31,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:31,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:31,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:31,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:31,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:31,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:31,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:31,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:31,661 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:13:31,661 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:31,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:31,669 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:31,675 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:31,675 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:31,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:31,713 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:31,717 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:31,717 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:31,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:31,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:13:31,755 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:31,756 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:31,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:31,780 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:31,786 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:31,787 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:31,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:31,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:13:31,824 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:31,825 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:31,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:31,865 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:31,869 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:13:31,869 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:31,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:13:31,905 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:31,968 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:13:31,968 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:13:32,014 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:13:32,016 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:13:32,016 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:13:32,016 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:13:32,017 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:13:32,017 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:13:32,017 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,017 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:13:32,017 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:13:32,017 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2020-10-26 04:13:32,017 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:13:32,017 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:13:32,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:32,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:32,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:32,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:32,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:32,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:32,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:32,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:13:32,211 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:13:32,217 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:13:32,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:13:32,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:32,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:13:32,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:13:32,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,343 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:13:32,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,368 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-26 04:13:32,368 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-26 04:13:32,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:32,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:13:32,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:13:32,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:32,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:32,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:13:32,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:13:32,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:32,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:32,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:13:32,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:13:32,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:32,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:13:32,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:13:32,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:32,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:13:32,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:13:32,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:13:32,669 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,676 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:13:32,679 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-26 04:13:32,680 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:32,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,724 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:13:32,724 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:13:32,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,763 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:13:32,763 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,787 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-10-26 04:13:32,788 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-10-26 04:13:32,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:32,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,876 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:13:32,877 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:13:32,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:32,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,916 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:13:32,918 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:13:32,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:32,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:32,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,957 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:13:32,957 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:13:32,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:32,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:32,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:32,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:32,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:32,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:32,998 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:13:33,002 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-26 04:13:33,002 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,039 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:13:33,040 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:13:33,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:13:33,072 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:33,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,078 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:13:33,082 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-26 04:13:33,082 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:33,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,130 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:13:33,131 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:13:33,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,140 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,170 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:13:33,170 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:13:33,200 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2020-10-26 04:13:33,200 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-10-26 04:13:33,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,300 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:13:33,301 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:13:33,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,303 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,329 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:13:33,331 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:13:33,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,367 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:13:33,369 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:13:33,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,397 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:13:33,401 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-26 04:13:33,401 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-26 04:13:33,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,448 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:13:33,449 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:13:33,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:13:33,472 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,477 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:13:33,482 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-10-26 04:13:33,483 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-10-26 04:13:33,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,525 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:13:33,526 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:13:33,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,562 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:13:33,562 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:13:33,593 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2020-10-26 04:13:33,593 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2020-10-26 04:13:33,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,708 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:13:33,709 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:13:33,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,737 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:13:33,739 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:13:33,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,767 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:13:33,768 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:13:33,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,770 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,793 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:13:33,797 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-10-26 04:13:33,797 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-10-26 04:13:33,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:13:33,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,835 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:13:33,835 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:13:33,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:13:33,858 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:13:33,862 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:13:33,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,862 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:13:33,865 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-26 04:13:33,865 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-10-26 04:13:33,871 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,895 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:13:33,895 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:13:33,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:13:33,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:13:33,895 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:13:33,896 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:13:33,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:13:33,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:33,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:13:33,934 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:13:33,935 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:13:33,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:13:33,935 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:13:33,935 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:33,954 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-10-26 04:13:33,954 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-10-26 04:13:34,062 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:13:34,158 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-10-26 04:13:34,159 INFO L444 ModelExtractionUtils]: 8 out of 42 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:13:34,176 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:13:34,191 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2020-10-26 04:13:34,191 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:13:34,192 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~y~0 + 1 f1 = 2*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 Supporting invariants [-1*ULTIMATE.start_main_~b~0 + 1*ULTIMATE.start_main_~a~0 >= 0, 1*ULTIMATE.start_main_~b~0 - 1*ULTIMATE.start_main_~a~0 >= 0] [2020-10-26 04:13:34,233 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2020-10-26 04:13:34,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:13:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:13:34,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:13:34,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:13:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:13:34,359 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-26 04:13:34,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:13:34,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:13:34,376 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-26 04:13:34,378 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2020-10-26 04:13:34,499 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2020-10-26 04:13:34,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:13:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-26 04:13:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2020-10-26 04:13:34,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-26 04:13:34,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:13:34,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 1 letters. [2020-10-26 04:13:34,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:13:34,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-26 04:13:34,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:13:34,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2020-10-26 04:13:34,512 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:13:34,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-10-26 04:13:34,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:13:34,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:13:34,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:13:34,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:13:34,518 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:13:34,518 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:13:34,519 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:13:34,519 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:13:34,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:13:34,519 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:13:34,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:13:34,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:13:34 BoogieIcfgContainer [2020-10-26 04:13:34,527 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:13:34,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:13:34,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:13:34,528 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:13:34,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:13:29" (3/4) ... [2020-10-26 04:13:34,532 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:13:34,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:13:34,534 INFO L168 Benchmark]: Toolchain (without parser) took 5188.88 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 33.6 MB in the beginning and 39.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:13:34,535 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 36.2 MB in the beginning and 36.2 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:13:34,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.45 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 36.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:13:34,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.53 ms. Allocated memory is still 52.4 MB. Free memory was 36.4 MB in the beginning and 35.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:13:34,537 INFO L168 Benchmark]: Boogie Preprocessor took 20.01 ms. Allocated memory is still 52.4 MB. Free memory was 35.1 MB in the beginning and 34.2 MB in the end (delta: 888.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:13:34,538 INFO L168 Benchmark]: RCFGBuilder took 244.98 ms. Allocated memory is still 52.4 MB. Free memory was 34.0 MB in the beginning and 24.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:13:34,538 INFO L168 Benchmark]: BuchiAutomizer took 4579.96 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 24.7 MB in the beginning and 40.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:13:34,539 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 79.7 MB. Free memory was 40.3 MB in the beginning and 39.7 MB in the end (delta: 626.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:13:34,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 36.2 MB in the beginning and 36.2 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 294.45 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 36.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.53 ms. Allocated memory is still 52.4 MB. Free memory was 36.4 MB in the beginning and 35.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.01 ms. Allocated memory is still 52.4 MB. Free memory was 35.1 MB in the beginning and 34.2 MB in the end (delta: 888.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 244.98 ms. Allocated memory is still 52.4 MB. Free memory was 34.0 MB in the beginning and 24.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4579.96 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 24.7 MB in the beginning and 40.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.18 ms. Allocated memory is still 79.7 MB. Free memory was 40.3 MB in the beginning and 39.7 MB in the end (delta: 626.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-phase ranking function (if y + 1 > 0 then 1 else 0), (if y + 1 > 0 then y + 1 else 2 * x + -1 * y) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. 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 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: 17 SDtfs, 17 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax129 hnf96 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf95 smp100 dnf157 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 124ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...