./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_strlen_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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-recursive-malloc/rec_strlen_malloc.i -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 ba2b2304f59c42f24b0ea6cefca15c75c2792e09691962ca65c937e0583a810e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:06:05,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:06:05,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:06:05,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:06:05,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:06:05,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:06:05,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:06:05,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:06:05,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:06:05,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:06:05,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:06:05,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:06:05,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:06:05,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:06:05,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:06:05,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:06:05,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:06:05,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:06:05,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:06:05,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:06:05,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:06:05,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:06:05,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:06:05,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:06:05,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:06:05,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:06:05,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:06:05,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:06:05,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:06:05,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:06:05,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:06:05,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:06:05,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:06:05,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:06:05,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:06:05,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:06:05,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:06:05,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:06:05,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:06:05,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:06:05,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:06:05,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-21 22:06:05,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:06:05,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:06:05,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:06:05,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:06:05,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:06:05,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:06:05,825 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:06:05,825 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:06:05,825 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:06:05,826 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:06:05,826 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:06:05,827 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:06:05,827 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:06:05,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:06:05,827 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:06:05,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:06:05,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:06:05,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:06:05,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:06:05,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:06:05,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:06:05,828 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:06:05,829 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:06:05,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:06:05,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:06:05,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:06:05,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:06:05,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:06:05,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:06:05,831 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:06:05,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba2b2304f59c42f24b0ea6cefca15c75c2792e09691962ca65c937e0583a810e [2021-12-21 22:06:06,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:06:06,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:06:06,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:06:06,121 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:06:06,121 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:06:06,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_strlen_malloc.i [2021-12-21 22:06:06,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54515faad/448c9d3f4a6347d287d8119565318462/FLAGb9c260b76 [2021-12-21 22:06:06,626 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:06:06,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_strlen_malloc.i [2021-12-21 22:06:06,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54515faad/448c9d3f4a6347d287d8119565318462/FLAGb9c260b76 [2021-12-21 22:06:07,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54515faad/448c9d3f4a6347d287d8119565318462 [2021-12-21 22:06:07,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:06:07,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:06:07,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:06:07,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:06:07,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:06:07,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea27183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07, skipping insertion in model container [2021-12-21 22:06:07,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:06:07,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:06:07,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:06:07,259 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:06:07,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:06:07,285 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:06:07,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07 WrapperNode [2021-12-21 22:06:07,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:06:07,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:06:07,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:06:07,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:06:07,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,315 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2021-12-21 22:06:07,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:06:07,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:06:07,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:06:07,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:06:07,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:06:07,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:06:07,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:06:07,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:06:07,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (1/1) ... [2021-12-21 22:06:07,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:07,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:07,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:07,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-21 22:06:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 22:06:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 22:06:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:06:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:06:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 22:06:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure rec_cstrlen [2021-12-21 22:06:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_cstrlen [2021-12-21 22:06:07,493 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:06:07,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:06:07,616 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:06:07,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:06:07,621 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 22:06:07,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:06:07 BoogieIcfgContainer [2021-12-21 22:06:07,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:06:07,637 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:06:07,651 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:06:07,654 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:06:07,655 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:06:07,655 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:06:07" (1/3) ... [2021-12-21 22:06:07,656 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1430bd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:06:07, skipping insertion in model container [2021-12-21 22:06:07,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:06:07,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:06:07" (2/3) ... [2021-12-21 22:06:07,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1430bd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:06:07, skipping insertion in model container [2021-12-21 22:06:07,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:06:07,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:06:07" (3/3) ... [2021-12-21 22:06:07,658 INFO L388 chiAutomizerObserver]: Analyzing ICFG rec_strlen_malloc.i [2021-12-21 22:06:07,717 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:06:07,730 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:06:07,730 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:06:07,730 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:06:07,731 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:06:07,731 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:06:07,731 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:06:07,731 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:06:07,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 22:06:07,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:06:07,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:06:07,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:06:07,780 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:06:07,780 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:06:07,780 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:06:07,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 22:06:07,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:06:07,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:06:07,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:06:07,784 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:06:07,784 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:06:07,790 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1.base, main_#t~ret5#1.offset, main_#t~ret6#1;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet1#1, build_nondet_String_#t~malloc2#1.base, build_nondet_String_#t~malloc2#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet1#1;havoc build_nondet_String_#t~nondet1#1; 17#L11true assume !(build_nondet_String_~length~0#1 < 1); 11#L11-2true call build_nondet_String_#t~malloc2#1.base, build_nondet_String_#t~malloc2#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc2#1.base, build_nondet_String_#t~malloc2#1.offset;havoc build_nondet_String_#t~malloc2#1.base, build_nondet_String_#t~malloc2#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 3#L16true main_#t~ret5#1.base, main_#t~ret5#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true; 7#L30true call main_#t~ret6#1 := rec_cstrlen(main_#t~ret5#1.base, main_#t~ret5#1.offset);< 12#rec_cstrlenENTRYtrue [2021-12-21 22:06:07,791 INFO L793 eck$LassoCheckResult]: Loop: 12#rec_cstrlenENTRYtrue ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem3 := read~int(~s.base, ~s.offset, 1); 9#L22true assume !(0 == #t~mem3);havoc #t~mem3; 16#L25true call #t~ret4 := rec_cstrlen(~s.base, 1 + ~s.offset);< 12#rec_cstrlenENTRYtrue [2021-12-21 22:06:07,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:06:07,800 INFO L85 PathProgramCache]: Analyzing trace with hash 889568275, now seen corresponding path program 1 times [2021-12-21 22:06:07,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:06:07,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51468293] [2021-12-21 22:06:07,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:06:07,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:06:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:07,911 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:06:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:07,957 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:06:07,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:06:07,960 INFO L85 PathProgramCache]: Analyzing trace with hash 46806, now seen corresponding path program 1 times [2021-12-21 22:06:07,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:06:07,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815714740] [2021-12-21 22:06:07,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:06:07,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:06:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:07,972 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:06:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:07,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:06:07,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:06:07,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1180281220, now seen corresponding path program 1 times [2021-12-21 22:06:07,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:06:07,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273191721] [2021-12-21 22:06:07,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:06:07,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:06:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:08,025 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:06:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:06:08,047 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:06:08,651 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:06:08,652 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:06:08,652 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:06:08,652 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:06:08,652 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:06:08,653 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:08,653 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:06:08,653 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:06:08,653 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strlen_malloc.i_Iteration1_Lasso [2021-12-21 22:06:08,653 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:06:08,654 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:06:08,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:08,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:06:09,018 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:06:09,022 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:06:09,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-21 22:06:09,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-21 22:06:09,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,118 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-21 22:06:09,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,150 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-21 22:06:09,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-21 22:06:09,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,185 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-21 22:06:09,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:06:09,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:06:09,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,249 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-21 22:06:09,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-21 22:06:09,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-21 22:06:09,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-21 22:06:09,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,312 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-21 22:06:09,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:06:09,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:06:09,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,379 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-21 22:06:09,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,438 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-21 22:06:09,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,470 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-21 22:06:09,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,504 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-21 22:06:09,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-21 22:06:09,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,537 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-21 22:06:09,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-21 22:06:09,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,588 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-21 22:06:09,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,620 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-21 22:06:09,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,654 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-21 22:06:09,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,714 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-21 22:06:09,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,749 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-21 22:06:09,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,785 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-21 22:06:09,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,826 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-21 22:06:09,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-21 22:06:09,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,857 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-21 22:06:09,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:06:09,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:06:09,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:06:09,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:06:09,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:09,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,885 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-21 22:06:09,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:06:09,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:06:09,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:06:09,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:06:09,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:06:09,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:06:09,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:06:09,912 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:06:09,929 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-21 22:06:09,929 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-21 22:06:09,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:06:09,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:06:09,939 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:06:09,944 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:06:09,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-21 22:06:09,971 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:06:09,971 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:06:09,972 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length rec_cstrlen_#in~s.base)_1, rec_cstrlen_#in~s.offset) = 1*v_rep(select #length rec_cstrlen_#in~s.base)_1 - 1*rec_cstrlen_#in~s.offset Supporting invariants [] [2021-12-21 22:06:10,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:10,012 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-21 22:06:10,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:06:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:06:10,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 22:06:10,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:06:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:06:10,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-21 22:06:10,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:06:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:06:10,171 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-21 22:06:10,172 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:06:10,231 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 36 transitions. Complement of second has 8 states. [2021-12-21 22:06:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 22:06:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:06:10,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2021-12-21 22:06:10,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2021-12-21 22:06:10,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:06:10,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2021-12-21 22:06:10,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:06:10,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2021-12-21 22:06:10,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:06:10,240 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2021-12-21 22:06:10,243 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:06:10,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2021-12-21 22:06:10,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-21 22:06:10,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-21 22:06:10,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-21 22:06:10,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:06:10,246 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:06:10,246 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:06:10,246 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:06:10,246 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:06:10,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-21 22:06:10,246 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:06:10,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-21 22:06:10,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:06:10 BoogieIcfgContainer [2021-12-21 22:06:10,252 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:06:10,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:06:10,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:06:10,253 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:06:10,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:06:07" (3/4) ... [2021-12-21 22:06:10,255 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 22:06:10,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:06:10,256 INFO L158 Benchmark]: Toolchain (without parser) took 3218.54ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 62.7MB in the beginning and 58.3MB in the end (delta: 4.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-12-21 22:06:10,256 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:06:10,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.16ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 62.4MB in the beginning and 87.3MB in the end (delta: -24.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:06:10,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.87ms. Allocated memory is still 109.1MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:06:10,257 INFO L158 Benchmark]: Boogie Preprocessor took 33.18ms. Allocated memory is still 109.1MB. Free memory was 85.7MB in the beginning and 84.7MB in the end (delta: 919.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:06:10,258 INFO L158 Benchmark]: RCFGBuilder took 272.90ms. Allocated memory is still 109.1MB. Free memory was 84.7MB in the beginning and 75.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:06:10,258 INFO L158 Benchmark]: BuchiAutomizer took 2614.93ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 59.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-12-21 22:06:10,258 INFO L158 Benchmark]: Witness Printer took 2.86ms. Allocated memory is still 109.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:06:10,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.16ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 62.4MB in the beginning and 87.3MB in the end (delta: -24.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.87ms. Allocated memory is still 109.1MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.18ms. Allocated memory is still 109.1MB. Free memory was 85.7MB in the beginning and 84.7MB in the end (delta: 919.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.90ms. Allocated memory is still 109.1MB. Free memory was 84.7MB in the beginning and 75.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2614.93ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 59.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Witness Printer took 2.86ms. Allocated memory is still 109.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital90 mio100 ax100 hnf100 lsp93 ukn70 mio100 lsp45 div100 bol100 ite100 ukn100 eq166 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-21 22:06:10,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-21 22:06:10,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE