./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test24-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test24-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dac6403f37599f80fd46825f02fd0972bc86095b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:23:58,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:23:58,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:23:58,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:23:58,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:23:58,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:23:58,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:23:58,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:23:58,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:23:58,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:23:58,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:23:58,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:23:58,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:23:58,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:23:58,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:23:58,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:23:58,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:23:58,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:23:58,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:23:58,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:23:58,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:23:58,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:23:58,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:23:58,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:23:58,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:23:58,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:23:58,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:23:58,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:23:58,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:23:58,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:23:58,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:23:58,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:23:58,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:23:58,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:23:58,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:23:58,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:23:58,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:23:58,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:23:58,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:23:58,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:23:58,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:23:58,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 01:23:58,778 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:23:58,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:23:58,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:23:58,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:23:58,781 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:23:58,781 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:23:58,782 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:23:58,782 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:23:58,782 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:23:58,783 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:23:58,783 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:23:58,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:23:58,784 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:23:58,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:23:58,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:23:58,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:23:58,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:23:58,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:23:58,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:23:58,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:23:58,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:23:58,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:23:58,787 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:23:58,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:23:58,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:23:58,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:23:58,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:23:58,789 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:23:58,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:23:58,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:23:58,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:23:58,790 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:23:58,791 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:23:58,792 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:/tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dac6403f37599f80fd46825f02fd0972bc86095b [2020-11-30 01:23:59,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:23:59,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:23:59,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:23:59,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:23:59,130 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:23:59,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test24-1.c [2020-11-30 01:23:59,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/data/ceb047fcb/b2cdf52c7d7c4d44a21ce0c66f6b3233/FLAG7947070b2 [2020-11-30 01:23:59,800 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:23:59,801 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/sv-benchmarks/c/ldv-regression/test24-1.c [2020-11-30 01:23:59,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/data/ceb047fcb/b2cdf52c7d7c4d44a21ce0c66f6b3233/FLAG7947070b2 [2020-11-30 01:24:00,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/data/ceb047fcb/b2cdf52c7d7c4d44a21ce0c66f6b3233 [2020-11-30 01:24:00,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:24:00,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:24:00,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:24:00,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:24:00,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:24:00,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b94ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00, skipping insertion in model container [2020-11-30 01:24:00,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:24:00,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:24:00,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:24:00,471 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:24:00,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:24:00,510 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:24:00,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00 WrapperNode [2020-11-30 01:24:00,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:24:00,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:24:00,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:24:00,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:24:00,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:24:00,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:24:00,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:24:00,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:24:00,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:24:00,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:24:00,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:24:00,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:24:00,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:24:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:24:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:24:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:24:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:24:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:24:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:24:00,985 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:24:00,986 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:24:00,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:24:00 BoogieIcfgContainer [2020-11-30 01:24:00,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:24:00,989 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:24:01,005 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:24:01,009 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:24:01,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:24:01,010 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:24:00" (1/3) ... [2020-11-30 01:24:01,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d83f887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:24:01, skipping insertion in model container [2020-11-30 01:24:01,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:24:01,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00" (2/3) ... [2020-11-30 01:24:01,013 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d83f887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:24:01, skipping insertion in model container [2020-11-30 01:24:01,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:24:01,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:24:00" (3/3) ... [2020-11-30 01:24:01,015 INFO L373 chiAutomizerObserver]: Analyzing ICFG test24-1.c [2020-11-30 01:24:01,094 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:24:01,094 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:24:01,094 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:24:01,094 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:24:01,095 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:24:01,095 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:24:01,095 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:24:01,109 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:24:01,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-30 01:24:01,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:24:01,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:24:01,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:24:01,167 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-30 01:24:01,167 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:24:01,167 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:24:01,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-30 01:24:01,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:24:01,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:24:01,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:24:01,170 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-30 01:24:01,170 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:24:01,178 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 5#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~mem9, main_#t~pre11, main_#t~mem10, main_#t~ret12, main_~#ad1~0.base, main_~#ad1~0.offset, main_~ad2~0.base, main_~ad2~0.offset, main_~i~0, main_~pa~0.base, main_~pa~0.offset;call main_~#ad1~0.base, main_~#ad1~0.offset := #Ultimate.allocOnStack(80);havoc main_~ad2~0.base, main_~ad2~0.offset;havoc main_~i~0;havoc main_~pa~0.base, main_~pa~0.offset;main_~i~0 := main_#t~nondet8;havoc main_#t~nondet8; 10#L23true assume main_~i~0 >= 0 && main_~i~0 < 10;main_~ad2~0.base, main_~ad2~0.offset := main_~#ad1~0.base, main_~#ad1~0.offset;call write~int(main_~i~0, main_~#ad1~0.base, main_~#ad1~0.offset + 8 * main_~i~0, 4);main_~pa~0.base, main_~pa~0.offset := main_~#ad1~0.base, main_~#ad1~0.offset + 8 * main_~i~0;call main_#t~mem9 := read~int(main_~ad2~0.base, main_~ad2~0.offset + 8 * main_~i~0, 4);main_~i~0 := main_#t~mem9 - 10;havoc main_#t~mem9; 16#L28-3true [2020-11-30 01:24:01,179 INFO L796 eck$LassoCheckResult]: Loop: 16#L28-3true call main_#t~mem10 := read~int(main_~pa~0.base, main_~pa~0.offset, 4); 3#L28-1true assume !!(main_~i~0 < main_#t~mem10);havoc main_#t~mem10;main_#t~pre11 := 1 + main_~i~0;main_~i~0 := 1 + main_~i~0;havoc main_#t~pre11; 16#L28-3true [2020-11-30 01:24:01,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:24:01,193 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-11-30 01:24:01,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:24:01,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503827430] [2020-11-30 01:24:01,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:24:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:24:01,402 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:24:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:24:01,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:24:01,492 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:24:01,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:24:01,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2020-11-30 01:24:01,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:24:01,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045176781] [2020-11-30 01:24:01,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:24:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:24:01,528 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:24:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:24:01,533 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:24:01,535 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:24:01,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:24:01,537 INFO L82 PathProgramCache]: Analyzing trace with hash 28693863, now seen corresponding path program 1 times [2020-11-30 01:24:01,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:24:01,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693475248] [2020-11-30 01:24:01,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:24:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:24:01,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:24:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:24:01,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:24:01,660 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:24:02,409 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 94 [2020-11-30 01:24:02,648 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-30 01:24:02,667 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:24:02,667 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:24:02,668 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:24:02,668 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:24:02,668 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:24:02,668 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:02,669 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:24:02,669 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:24:02,670 INFO L133 ssoRankerPreferences]: Filename of dumped script: test24-1.c_Iteration1_Lasso [2020-11-30 01:24:02,670 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:24:02,670 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:24:02,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:02,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:02,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:02,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:02,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:02,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:02,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:02,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:02,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:02,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:03,284 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-11-30 01:24:03,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:24:03,664 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-11-30 01:24:03,786 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-11-30 01:24:04,106 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:24:04,111 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:04,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:24:04,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:24:04,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:24:04,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:24:04,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:24:04,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:24:04,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:04,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:24:04,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:24:04,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:24:04,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:24:04,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:24:04,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:24:04,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:04,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:04,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:24:04,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:24:04,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:24:04,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:24:04,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:04,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:04,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:24:04,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:24:04,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:24:04,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:24:04,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:04,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:04,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:24:04,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:04,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:24:04,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:04,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,946 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:24:04,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:04,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:04,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:24:04,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:04,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:04,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:04,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:24:04,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:04,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:05,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:05,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:05,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:05,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:05,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:05,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:05,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:05,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:05,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:24:05,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:24:05,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:24:05,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:24:05,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:24:05,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:24:05,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:24:05,114 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:24:05,249 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-11-30 01:24:05,250 INFO L444 ModelExtractionUtils]: 18 out of 31 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e061f6c-c482-449e-ba95-efb93a7624a5/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:24:05,254 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:24:05,262 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:24:05,262 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:24:05,263 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~pa~0.base) ULTIMATE.start_main_~pa~0.offset)_1, ULTIMATE.start_main_~i~0) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~pa~0.base) ULTIMATE.start_main_~pa~0.offset)_1 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-11-30 01:24:05,426 INFO L297 tatePredicateManager]: 25 out of 25 supporting invariants were superfluous and have been removed [2020-11-30 01:24:05,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:24:05,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:24:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:24:05,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:24:05,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:24:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:24:05,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:24:05,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:24:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:24:05,628 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 [2020-11-30 01:24:05,630 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2020-11-30 01:24:05,682 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 36 states and 40 transitions. Complement of second has 7 states. [2020-11-30 01:24:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-30 01:24:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 01:24:05,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2020-11-30 01:24:05,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-30 01:24:05,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:24:05,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-30 01:24:05,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:24:05,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 4 letters. [2020-11-30 01:24:05,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:24:05,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 40 transitions. [2020-11-30 01:24:05,692 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:24:05,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2020-11-30 01:24:05,696 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:24:05,696 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:24:05,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:24:05,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:24:05,697 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:24:05,697 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:24:05,697 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:24:05,697 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:24:05,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:24:05,698 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:24:05,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:24:05,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:24:05 BoogieIcfgContainer [2020-11-30 01:24:05,704 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:24:05,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:24:05,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:24:05,705 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:24:05,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:24:00" (3/4) ... [2020-11-30 01:24:05,709 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:24:05,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:24:05,711 INFO L168 Benchmark]: Toolchain (without parser) took 5559.36 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 64.9 MB in the beginning and 93.4 MB in the end (delta: -28.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:05,712 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 100.7 MB. Free memory was 73.3 MB in the beginning and 73.3 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:24:05,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.88 ms. Allocated memory is still 100.7 MB. Free memory was 64.8 MB in the beginning and 75.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:05,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.55 ms. Allocated memory is still 100.7 MB. Free memory was 75.8 MB in the beginning and 74.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:05,714 INFO L168 Benchmark]: Boogie Preprocessor took 25.89 ms. Allocated memory is still 100.7 MB. Free memory was 74.6 MB in the beginning and 73.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:24:05,715 INFO L168 Benchmark]: RCFGBuilder took 408.55 ms. Allocated memory is still 100.7 MB. Free memory was 73.2 MB in the beginning and 60.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:05,715 INFO L168 Benchmark]: BuchiAutomizer took 4714.70 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 60.4 MB in the beginning and 93.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:05,716 INFO L168 Benchmark]: Witness Printer took 4.54 ms. Allocated memory is still 134.2 MB. Free memory is still 93.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:24:05,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 100.7 MB. Free memory was 73.3 MB in the beginning and 73.3 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.88 ms. Allocated memory is still 100.7 MB. Free memory was 64.8 MB in the beginning and 75.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.55 ms. Allocated memory is still 100.7 MB. Free memory was 75.8 MB in the beginning and 74.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.89 ms. Allocated memory is still 100.7 MB. Free memory was 74.6 MB in the beginning and 73.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 408.55 ms. Allocated memory is still 100.7 MB. Free memory was 73.2 MB in the beginning and 60.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4714.70 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 60.4 MB in the beginning and 93.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.54 ms. Allocated memory is still 134.2 MB. Free memory is still 93.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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-#memory_int-unknown[pa][pa] + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 12 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital247 mio100 ax100 hnf100 lsp95 ukn86 mio100 lsp68 div141 bol100 ite100 ukn100 eq142 hnf57 smp90 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms 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! Received shutdown request...