./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.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-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:15:17,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:15:17,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:15:17,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:15:17,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:15:17,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:15:17,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:15:17,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:15:17,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:15:17,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:15:17,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:15:17,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:15:17,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:15:17,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:15:17,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:15:17,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:15:17,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:15:17,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:15:17,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:15:17,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:15:17,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:15:18,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:15:18,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:15:18,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:15:18,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:15:18,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:15:18,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:15:18,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:15:18,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:15:18,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:15:18,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:15:18,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:15:18,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:15:18,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:15:18,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:15:18,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:15:18,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:15:18,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:15:18,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:15:18,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:15:18,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:15:18,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:15:18,048 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:15:18,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:15:18,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:15:18,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:15:18,056 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:15:18,056 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:15:18,057 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:15:18,057 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:15:18,057 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:15:18,058 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:15:18,058 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:15:18,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:15:18,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:15:18,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:15:18,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:15:18,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:15:18,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:15:18,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:15:18,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:15:18,060 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:15:18,061 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:15:18,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:15:18,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:15:18,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:15:18,062 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:15:18,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:15:18,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:15:18,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:15:18,063 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:15:18,064 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:15:18,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2020-10-26 04:15:18,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:15:18,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:15:18,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:15:18,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:15:18,517 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:15:18,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-10-26 04:15:18,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7473436/8a2335eff3734f3ea927a3f3e3254fc3/FLAGee05c6bd4 [2020-10-26 04:15:19,201 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:15:19,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-10-26 04:15:19,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7473436/8a2335eff3734f3ea927a3f3e3254fc3/FLAGee05c6bd4 [2020-10-26 04:15:19,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7473436/8a2335eff3734f3ea927a3f3e3254fc3 [2020-10-26 04:15:19,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:15:19,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:15:19,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:15:19,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:15:19,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:15:19,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e054c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19, skipping insertion in model container [2020-10-26 04:15:19,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:15:19,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:15:19,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:15:19,860 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:15:19,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:15:19,895 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:15:19,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19 WrapperNode [2020-10-26 04:15:19,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:15:19,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:15:19,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:15:19,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:15:19,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:15:19,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:15:19,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:15:19,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:15:19,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (1/1) ... [2020-10-26 04:15:19,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:15:19,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:15:19,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:15:19,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:15:19,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (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 04:15:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:15:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:15:20,239 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:15:20,239 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:15:20,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:15:20 BoogieIcfgContainer [2020-10-26 04:15:20,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:15:20,244 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:15:20,244 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:15:20,249 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:15:20,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:15:20,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:15:19" (1/3) ... [2020-10-26 04:15:20,252 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73b3df60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:15:20, skipping insertion in model container [2020-10-26 04:15:20,252 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:15:20,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:15:19" (2/3) ... [2020-10-26 04:15:20,253 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73b3df60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:15:20, skipping insertion in model container [2020-10-26 04:15:20,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:15:20,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:15:20" (3/3) ... [2020-10-26 04:15:20,256 INFO L373 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-10-26 04:15:20,330 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:15:20,330 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:15:20,331 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:15:20,331 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:15:20,331 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:15:20,331 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:15:20,331 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:15:20,332 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:15:20,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-26 04:15:20,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:15:20,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:15:20,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:15:20,378 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-26 04:15:20,378 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:15:20,378 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:15:20,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-26 04:15:20,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:15:20,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:15:20,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:15:20,386 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-26 04:15:20,387 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:15:20,395 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2020-10-26 04:15:20,396 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-10-26 04:15:20,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:15:20,405 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-26 04:15:20,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:15:20,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844555379] [2020-10-26 04:15:20,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:15:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:20,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:20,520 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:20,538 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:15:20,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:15:20,541 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-10-26 04:15:20,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:15:20,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776353512] [2020-10-26 04:15:20,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:15:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:20,565 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:20,576 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:20,578 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:15:20,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:15:20,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-10-26 04:15:20,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:15:20,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226002764] [2020-10-26 04:15:20,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:15:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:20,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:20,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:20,605 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:15:20,837 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-10-26 04:15:20,915 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:15:20,916 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:15:20,916 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:15:20,916 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:15:20,917 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:15:20,917 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:20,917 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:15:20,918 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:15:20,918 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-10-26 04:15:20,918 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:15:20,918 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:15:20,952 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 04:15:20,974 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 04:15:21,157 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-10-26 04:15:21,158 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 04:15:21,320 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-10-26 04:15:21,586 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2020-10-26 04:15:21,602 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:15:21,603 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 04:15:21,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:15:21,615 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 04:15:21,627 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:15:21,628 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:21,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:15:21,673 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 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:21,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:15:21,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:15:21,802 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:15:21,804 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:15:21,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:15:21,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:15:21,805 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:15:21,805 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:15:21,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:21,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:15:21,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:15:21,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-10-26 04:15:21,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:15:21,806 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:15:21,812 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 04:15:21,891 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 04:15:21,894 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 04:15:22,133 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-26 04:15:22,324 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-10-26 04:15:22,330 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:15:22,335 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-26 04:15:22,343 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 04:15:22,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:22,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:22,346 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:22,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:22,388 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2020-10-26 04:15:22,389 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-10-26 04:15:22,444 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 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:22,480 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 04:15:22,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:22,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:22,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:22,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:22,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:15:22,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:15:22,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:22,490 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 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:22,516 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 04:15:22,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:22,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:22,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:22,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:22,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:15:22,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:15:22,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:22,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:22,550 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 04:15:22,553 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 04:15:22,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:22,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:22,557 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:22,557 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:15:22,632 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-10-26 04:15:22,633 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-10-26 04:15:22,706 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:22,750 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 04:15:22,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:22,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:22,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:22,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:22,754 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:15:22,755 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:15:22,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:22,758 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:22,812 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 04:15:22,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:22,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:22,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:22,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:22,815 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:15:22,817 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:15:22,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:22,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:22,848 INFO L489 LassoAnalysis]: Using template '3-nested'. 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:22,852 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 04:15:22,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:22,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:22,854 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:22,855 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:22,918 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-26 04:15:22,918 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-26 04:15:23,017 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 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:23,048 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 04:15:23,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:23,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:23,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:23,054 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:23,056 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:23,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:23,059 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 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 04:15:23,093 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 04:15:23,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:23,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:23,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:23,095 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:23,096 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:23,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:23,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:23,120 INFO L489 LassoAnalysis]: Using template '4-nested'. 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:23,123 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 04:15:23,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:23,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,126 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:23,126 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:23,194 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-10-26 04:15:23,194 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-10-26 04:15:23,306 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:23,329 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 04:15:23,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:23,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:23,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:23,332 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:23,333 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:15:23,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:23,336 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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:23,361 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 04:15:23,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:23,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:23,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:23,364 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:23,365 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:15:23,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:23,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:23,389 INFO L489 LassoAnalysis]: Using template '2-phase'. 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 04:15:23,392 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 04:15:23,395 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:23,395 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:23,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,395 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:23,396 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:15:23,435 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-10-26 04:15:23,436 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-10-26 04:15:23,518 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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:23,549 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 04:15:23,552 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:23,553 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:23,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:23,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:23,554 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:15:23,555 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:15:23,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:23,559 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 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 04:15:23,585 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 04:15:23,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:23,587 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:23,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:23,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:23,587 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:15:23,590 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:15:23,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:23,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:23,619 INFO L489 LassoAnalysis]: Using template '3-phase'. 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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:23,625 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 04:15:23,628 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:23,629 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-26 04:15:23,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,629 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:23,629 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:23,685 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-26 04:15:23,686 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-26 04:15:23,843 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 04:15:23,916 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 04:15:23,920 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:23,920 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-26 04:15:23,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:23,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:23,921 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:23,923 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:23,923 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 04:15:23,928 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:23,988 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 04:15:23,991 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:23,991 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-26 04:15:23,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:23,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:23,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:23,992 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:23,993 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:23,993 INFO L402 nArgumentSynthesizer]: A total of 0 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 04:15:24,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:24,057 INFO L489 LassoAnalysis]: Using template '4-phase'. 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 04:15:24,062 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 Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:24,067 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:24,067 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:24,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:24,068 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:24,068 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:24,160 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-10-26 04:15:24,161 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-10-26 04:15:24,599 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 04:15:24,635 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 Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:24,637 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:24,637 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:24,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:24,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:24,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:24,638 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:24,639 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:15:24,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:24,644 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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:24,670 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 04:15:24,672 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:24,673 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:24,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:24,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:24,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:24,673 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:24,675 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:15:24,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:24,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:24,709 INFO L489 LassoAnalysis]: Using template '2-lex'. 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 04:15:24,718 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 04:15:24,721 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:24,721 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:24,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:24,721 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:24,721 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:24,775 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-26 04:15:24,775 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-26 04:15:24,892 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 04:15:24,931 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 04:15:24,933 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:24,933 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:24,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:24,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:24,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:24,934 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:24,935 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:24,935 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 04:15:24,939 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 04:15:24,978 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 04:15:24,981 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:24,981 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:24,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:24,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:24,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:24,982 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:24,983 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:24,983 INFO L402 nArgumentSynthesizer]: A total of 0 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 04:15:24,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:25,023 INFO L489 LassoAnalysis]: Using template '3-lex'. 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) [2020-10-26 04:15:25,027 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 04:15:25,030 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:25,030 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:25,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:25,031 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:25,031 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:25,110 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2020-10-26 04:15:25,110 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2020-10-26 04:15:25,390 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 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:25,421 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 04:15:25,423 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:25,423 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:25,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:25,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:25,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:25,424 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-26 04:15:25,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:15:25,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:25,431 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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:25,455 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 04:15:25,457 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:25,458 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:25,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:25,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:25,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:25,459 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-26 04:15:25,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:15:25,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:25,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:25,504 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-10-26 04:15:25,504 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-10-26 04:15:25,504 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-10-26 04:15:25,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:15:25,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2020-10-26 04:15:25,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:15:25,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383100147] [2020-10-26 04:15:25,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:15:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:25,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:25,523 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:25,525 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:15:25,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:15:25,526 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2020-10-26 04:15:25,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:15:25,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71444049] [2020-10-26 04:15:25,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:15:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:25,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:25,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:25,551 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:15:25,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:15:25,552 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2020-10-26 04:15:25,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:15:25,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174159819] [2020-10-26 04:15:25,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:15:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:25,587 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:15:25,619 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:15:25,624 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:15:25,710 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:15:25,711 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:15:25,711 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:15:25,711 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:15:25,711 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:15:25,711 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:25,711 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:15:25,711 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:15:25,711 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-10-26 04:15:25,711 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:15:25,711 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:15:25,715 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 04:15:25,719 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 04:15:25,723 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 04:15:26,010 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-26 04:15:26,273 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-10-26 04:15:26,278 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:15:26,278 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2020-10-26 04:15:26,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:15:26,298 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:26,308 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:15:26,309 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:26,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:15:26,347 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:26,351 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:15:26,351 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:26,387 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:15:26,387 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 34 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:26,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:15:26,430 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:26,514 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:15:26,516 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:15:26,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:15:26,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:15:26,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:15:26,516 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:15:26,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:26,516 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:15:26,517 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:15:26,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-10-26 04:15:26,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:15:26,517 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:15:26,523 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 04:15:26,526 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 04:15:26,529 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 04:15:26,750 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-26 04:15:26,963 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-10-26 04:15:26,966 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:15:26,966 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-26 04:15:26,971 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 04:15:26,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:26,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:26,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:26,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:26,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:15:26,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:15:26,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:26,978 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) [2020-10-26 04:15:27,018 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 04:15:27,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:27,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:27,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:15:27,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:15:27,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:27,029 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:27,069 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 04:15:27,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,072 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:27,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:27,104 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2020-10-26 04:15:27,105 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-10-26 04:15:27,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:27,187 INFO L489 LassoAnalysis]: Using template '2-nested'. 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) [2020-10-26 04:15:27,195 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 04:15:27,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:27,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:27,198 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:15:27,199 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:15:27,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:27,201 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) [2020-10-26 04:15:27,243 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 04:15:27,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:27,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:27,245 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:15:27,246 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:15:27,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:27,248 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) [2020-10-26 04:15:27,288 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 04:15:27,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,291 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:27,291 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:27,331 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-10-26 04:15:27,331 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-10-26 04:15:27,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:27,431 INFO L489 LassoAnalysis]: Using template '3-nested'. 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) [2020-10-26 04:15:27,441 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 04:15:27,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:27,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:27,445 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:27,446 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:27,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:27,449 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) [2020-10-26 04:15:27,487 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 04:15:27,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:27,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:27,490 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:27,491 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:27,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:27,493 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 04:15:27,517 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 04:15:27,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,519 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:27,519 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:27,570 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-26 04:15:27,570 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-26 04:15:27,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:27,698 INFO L489 LassoAnalysis]: Using template '4-nested'. 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) [2020-10-26 04:15:27,703 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 04:15:27,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:27,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:27,706 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:27,707 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:15:27,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:27,710 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:27,747 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 04:15:27,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:27,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:27,749 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:27,750 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:15:27,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:27,753 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 04:15:27,781 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 04:15:27,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:15:27,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,784 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:27,784 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:27,845 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-10-26 04:15:27,845 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-10-26 04:15:27,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:27,979 INFO L489 LassoAnalysis]: Using template '2-phase'. 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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:27,982 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 04:15:27,983 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:27,983 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:27,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:27,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:27,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:27,984 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:15:27,985 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:15:27,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:27,987 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 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:28,011 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 04:15:28,014 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:28,014 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:28,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:28,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:28,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:28,014 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:15:28,015 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:15:28,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:28,018 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:28,052 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 04:15:28,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:28,054 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:28,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:28,055 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:28,055 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:28,099 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-10-26 04:15:28,099 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-10-26 04:15:28,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:28,231 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:28,235 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 04:15:28,237 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:28,237 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-26 04:15:28,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:28,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:28,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:28,238 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:28,239 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:28,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:28,243 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:28,279 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 04:15:28,281 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:28,282 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-26 04:15:28,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:28,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:28,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:28,283 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:28,284 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:28,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:28,288 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:28,326 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 04:15:28,329 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:28,329 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-26 04:15:28,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:28,329 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:28,330 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:28,378 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-26 04:15:28,378 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-26 04:15:28,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:28,666 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:28,670 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 04:15:28,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:28,673 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:28,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:28,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:28,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:28,673 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:28,675 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:15:28,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:28,680 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:28,716 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 04:15:28,719 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:28,719 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:28,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:28,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:28,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:28,720 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-26 04:15:28,721 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-26 04:15:28,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:28,726 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:28,764 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 04:15:28,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:28,767 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:28,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:28,768 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:28,768 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:28,839 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-10-26 04:15:28,840 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-10-26 04:15:28,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:29,019 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:29,023 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 04:15:29,025 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:29,025 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:29,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:29,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:29,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:29,026 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:29,027 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:29,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:29,031 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 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:29,057 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 04:15:29,059 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:29,059 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:29,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:29,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:29,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:29,059 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:29,060 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:15:29,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:29,063 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 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:29,085 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 04:15:29,086 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:29,087 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-26 04:15:29,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:29,087 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:29,087 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-26 04:15:29,133 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-26 04:15:29,133 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-26 04:15:29,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:29,298 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:15:29,303 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 04:15:29,305 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:29,305 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:29,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:29,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:29,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:29,306 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-26 04:15:29,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:15:29,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:29,315 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 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:29,344 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 04:15:29,345 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:29,346 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:29,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:15:29,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:29,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:15:29,346 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-26 04:15:29,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:15:29,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:15:29,350 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 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:15:29,379 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 04:15:29,381 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-26 04:15:29,381 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-26 04:15:29,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:15:29,381 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-26 04:15:29,381 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-26 04:15:29,469 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2020-10-26 04:15:29,469 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2020-10-26 04:15:29,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:15:29,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:15:29 BoogieIcfgContainer [2020-10-26 04:15:29,896 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:15:29,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:15:29,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:15:29,897 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:15:29,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:15:20" (3/4) ... [2020-10-26 04:15:29,906 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:15:29,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:15:29,907 INFO L168 Benchmark]: Toolchain (without parser) took 10304.93 ms. Allocated memory was 37.7 MB in the beginning and 104.9 MB in the end (delta: 67.1 MB). Free memory was 15.8 MB in the beginning and 57.7 MB in the end (delta: -41.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:15:29,908 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 37.7 MB. Free memory was 23.4 MB in the beginning and 23.4 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:15:29,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.65 ms. Allocated memory is still 37.7 MB. Free memory was 15.1 MB in the beginning and 16.0 MB in the end (delta: -889.2 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:15:29,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.66 ms. Allocated memory is still 37.7 MB. Free memory was 15.9 MB in the beginning and 14.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:15:29,914 INFO L168 Benchmark]: Boogie Preprocessor took 21.95 ms. Allocated memory is still 37.7 MB. Free memory was 14.7 MB in the beginning and 13.9 MB in the end (delta: 854.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:15:29,916 INFO L168 Benchmark]: RCFGBuilder took 284.02 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 13.7 MB in the beginning and 25.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:15:29,917 INFO L168 Benchmark]: BuchiAutomizer took 9652.18 ms. Allocated memory was 46.1 MB in the beginning and 104.9 MB in the end (delta: 58.7 MB). Free memory was 24.9 MB in the beginning and 57.7 MB in the end (delta: -32.8 MB). Peak memory consumption was 59.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:15:29,918 INFO L168 Benchmark]: Witness Printer took 9.17 ms. Allocated memory is still 104.9 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:15:29,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 37.7 MB. Free memory was 23.4 MB in the beginning and 23.4 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 288.65 ms. Allocated memory is still 37.7 MB. Free memory was 15.1 MB in the beginning and 16.0 MB in the end (delta: -889.2 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.66 ms. Allocated memory is still 37.7 MB. Free memory was 15.9 MB in the beginning and 14.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.95 ms. Allocated memory is still 37.7 MB. Free memory was 14.7 MB in the beginning and 13.9 MB in the end (delta: 854.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 284.02 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 13.7 MB in the beginning and 25.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9652.18 ms. Allocated memory was 46.1 MB in the beginning and 104.9 MB in the end (delta: 58.7 MB). Free memory was 24.9 MB in the beginning and 57.7 MB in the end (delta: -32.8 MB). Peak memory consumption was 59.3 MB. Max. memory is 16.1 GB. * Witness Printer took 9.17 ms. Allocated memory is still 104.9 MB. Free memory is still 57.7 MB. 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 9.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital66 mio100 ax100 hnf95 lsp165 ukn66 mio100 lsp100 div198 bol100 ite100 ukn100 eq137 hnf60 smp87 dnf299 smp50 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 491ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...