./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i --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_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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 1643f1caf494dad598b4df826effeedd3e612fb8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:56:23,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:56:23,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:56:23,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:56:23,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:56:23,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:56:23,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:56:23,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:56:23,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:56:23,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:56:23,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:56:23,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:56:23,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:56:23,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:56:23,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:56:23,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:56:23,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:56:23,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:56:23,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:56:23,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:56:23,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:56:23,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:56:23,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:56:23,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:56:23,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:56:23,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:56:23,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:56:23,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:56:23,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:56:23,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:56:23,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:56:23,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:56:23,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:56:23,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:56:23,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:56:23,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:56:23,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:56:23,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:56:23,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:56:23,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:56:23,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:56:23,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:56:23,826 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:56:23,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:56:23,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:56:23,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:56:23,828 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:56:23,829 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:56:23,829 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:56:23,829 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:56:23,830 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:56:23,830 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:56:23,830 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:56:23,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:56:23,831 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:56:23,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:56:23,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:56:23,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:56:23,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:56:23,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:56:23,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:56:23,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:56:23,833 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:56:23,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:56:23,834 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:56:23,834 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:56:23,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:56:23,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:56:23,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:56:23,835 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:56:23,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:56:23,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:56:23,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:56:23,837 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:56:23,838 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:56:23,838 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_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1643f1caf494dad598b4df826effeedd3e612fb8 [2020-11-29 20:56:24,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:56:24,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:56:24,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:56:24,188 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:56:24,189 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:56:24,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2020-11-29 20:56:24,291 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/data/5234bb0ea/2e59e9f424cd45e287b3c03fd3c61b3a/FLAGdbe043742 [2020-11-29 20:56:24,990 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:56:24,990 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2020-11-29 20:56:25,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/data/5234bb0ea/2e59e9f424cd45e287b3c03fd3c61b3a/FLAGdbe043742 [2020-11-29 20:56:25,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/data/5234bb0ea/2e59e9f424cd45e287b3c03fd3c61b3a [2020-11-29 20:56:25,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:56:25,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:56:25,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:56:25,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:56:25,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:56:25,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27db62d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25, skipping insertion in model container [2020-11-29 20:56:25,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:56:25,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:56:25,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:56:25,755 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:56:25,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:56:25,866 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:56:25,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25 WrapperNode [2020-11-29 20:56:25,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:56:25,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:56:25,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:56:25,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:56:25,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:56:25,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:56:25,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:56:25,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:56:25,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (1/1) ... [2020-11-29 20:56:25,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:56:25,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:56:25,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:56:25,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:56:25,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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 [2020-11-29 20:56:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:56:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:56:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:56:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:56:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:56:26,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:56:26,482 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:56:26,483 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 20:56:26,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:56:26 BoogieIcfgContainer [2020-11-29 20:56:26,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:56:26,485 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:56:26,486 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:56:26,489 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:56:26,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:56:26,491 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:56:25" (1/3) ... [2020-11-29 20:56:26,493 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1af337f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:56:26, skipping insertion in model container [2020-11-29 20:56:26,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:56:26,493 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:25" (2/3) ... [2020-11-29 20:56:26,494 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1af337f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:56:26, skipping insertion in model container [2020-11-29 20:56:26,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:56:26,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:56:26" (3/3) ... [2020-11-29 20:56:26,496 INFO L373 chiAutomizerObserver]: Analyzing ICFG stroeder1-alloca-1.i [2020-11-29 20:56:26,559 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:56:26,560 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:56:26,560 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:56:26,560 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:56:26,560 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:56:26,561 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:56:26,561 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:56:26,561 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:56:26,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-29 20:56:26,600 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-29 20:56:26,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:56:26,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:56:26,608 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 20:56:26,608 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:56:26,609 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:56:26,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-29 20:56:26,611 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-29 20:56:26,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:56:26,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:56:26,612 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 20:56:26,612 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:56:26,621 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~1, main_#t~ret8, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 3#L526true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 7#L526-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~1 := 0; 14#L531-3true [2020-11-29 20:56:26,622 INFO L796 eck$LassoCheckResult]: Loop: 14#L531-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet7, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet7; 13#L531-2true main_#t~post6 := main_~i~1;main_~i~1 := 1 + main_#t~post6;havoc main_#t~post6; 14#L531-3true [2020-11-29 20:56:26,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:26,630 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-11-29 20:56:26,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:56:26,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266730259] [2020-11-29 20:56:26,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:56:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:26,760 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:26,776 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:26,798 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:56:26,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:26,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-11-29 20:56:26,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:56:26,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790077486] [2020-11-29 20:56:26,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:56:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:26,817 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:26,825 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:26,828 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:56:26,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:26,831 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-11-29 20:56:26,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:56:26,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131532313] [2020-11-29 20:56:26,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:56:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:26,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:26,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:26,879 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:56:27,168 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-11-29 20:56:27,274 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:56:27,279 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:56:27,279 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:56:27,279 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:56:27,279 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:56:27,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:27,280 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:56:27,280 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:56:27,280 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-1.i_Iteration1_Lasso [2020-11-29 20:56:27,280 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:56:27,281 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:56:27,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:27,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:27,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:27,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:27,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:27,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:27,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:27,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:27,558 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-11-29 20:56:27,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:27,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:28,153 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:56:28,159 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) [2020-11-29 20:56:28,166 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:28,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:28,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:56:28,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:28,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:28,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:28,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:56:28,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:56:28,175 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) [2020-11-29 20:56:28,223 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 [2020-11-29 20:56:28,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:28,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:56:28,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:28,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:28,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:28,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:56:28,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:28,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) [2020-11-29 20:56:28,278 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 [2020-11-29 20:56:28,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:28,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:56:28,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:28,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:28,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:28,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:56:28,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:28,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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 [2020-11-29 20:56:28,324 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 [2020-11-29 20:56:28,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:28,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:28,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:28,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:28,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:28,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:56:28,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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 [2020-11-29 20:56:28,381 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 [2020-11-29 20:56:28,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:28,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:28,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:28,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:28,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:28,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:56:28,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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 [2020-11-29 20:56:28,434 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 [2020-11-29 20:56:28,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:28,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:28,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:28,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:28,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:28,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:56:28,449 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) [2020-11-29 20:56:28,500 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 [2020-11-29 20:56:28,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:28,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:28,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:28,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:28,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:28,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:28,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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 [2020-11-29 20:56:28,562 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 [2020-11-29 20:56:28,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:28,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:56:28,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:28,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:28,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:28,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:56:28,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:56:28,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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 [2020-11-29 20:56:28,593 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 [2020-11-29 20:56:28,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:28,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:28,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:28,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:28,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:28,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:56:28,646 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:56:28,733 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-29 20:56:28,733 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) [2020-11-29 20:56:28,742 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:28,752 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-29 20:56:28,752 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:56:28,753 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1, ULTIMATE.start_main_~i~1) = 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 - 4*ULTIMATE.start_main_~i~1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0.offset >= 0] [2020-11-29 20:56:28,814 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-11-29 20:56:28,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 20:56:28,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:56:28,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 20:56:28,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:56:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:56:28,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 20:56:28,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:56:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:56:29,011 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 [2020-11-29 20:56:29,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2020-11-29 20:56:29,108 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 32 states and 42 transitions. Complement of second has 7 states. [2020-11-29 20:56:29,110 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 [2020-11-29 20:56:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 20:56:29,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2020-11-29 20:56:29,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-29 20:56:29,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:56:29,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-29 20:56:29,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:56:29,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-29 20:56:29,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:56:29,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2020-11-29 20:56:29,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:56:29,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 10 states and 13 transitions. [2020-11-29 20:56:29,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-11-29 20:56:29,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-29 20:56:29,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2020-11-29 20:56:29,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:56:29,133 INFO L691 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-29 20:56:29,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2020-11-29 20:56:29,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-11-29 20:56:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-29 20:56:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-11-29 20:56:29,163 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-29 20:56:29,163 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-29 20:56:29,164 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:56:29,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-11-29 20:56:29,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:56:29,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:56:29,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:56:29,173 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 20:56:29,173 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:56:29,173 INFO L794 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 112#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~1, main_#t~ret8, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 113#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 114#L526-2 call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~1 := 0; 118#L531-3 assume !(main_~i~1 < main_~array_size~0); 121#L531-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 116#L517-3 [2020-11-29 20:56:29,174 INFO L796 eck$LassoCheckResult]: Loop: 116#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 115#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 116#L517-3 [2020-11-29 20:56:29,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:29,174 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2020-11-29 20:56:29,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:56:29,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003852866] [2020-11-29 20:56:29,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:56:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:56:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:56:29,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003852866] [2020-11-29 20:56:29,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:56:29,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:56:29,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19943463] [2020-11-29 20:56:29,248 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:56:29,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:29,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 1 times [2020-11-29 20:56:29,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:56:29,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320881784] [2020-11-29 20:56:29,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:56:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:29,262 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:29,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:29,270 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:56:29,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:56:29,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:56:29,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:56:29,339 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-29 20:56:29,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:56:29,375 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-11-29 20:56:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:56:29,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2020-11-29 20:56:29,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:56:29,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2020-11-29 20:56:29,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-11-29 20:56:29,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-29 20:56:29,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2020-11-29 20:56:29,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:56:29,380 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-11-29 20:56:29,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2020-11-29 20:56:29,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-11-29 20:56:29,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-29 20:56:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-11-29 20:56:29,381 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-29 20:56:29,381 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-29 20:56:29,381 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 20:56:29,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2020-11-29 20:56:29,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:56:29,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:56:29,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:56:29,383 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:56:29,383 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:56:29,383 INFO L794 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 140#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~1, main_#t~ret8, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 141#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 142#L526-2 call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~1 := 0; 146#L531-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet7, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet7; 147#L531-2 main_#t~post6 := main_~i~1;main_~i~1 := 1 + main_#t~post6;havoc main_#t~post6; 148#L531-3 assume !(main_~i~1 < main_~array_size~0); 149#L531-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 145#L517-3 [2020-11-29 20:56:29,383 INFO L796 eck$LassoCheckResult]: Loop: 145#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 144#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 145#L517-3 [2020-11-29 20:56:29,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:29,384 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2020-11-29 20:56:29,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:56:29,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209974317] [2020-11-29 20:56:29,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:56:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:29,418 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:29,432 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:29,441 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:56:29,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:29,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 2 times [2020-11-29 20:56:29,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:56:29,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502507290] [2020-11-29 20:56:29,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:56:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:29,459 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:29,473 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:29,475 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:56:29,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:29,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1899811567, now seen corresponding path program 1 times [2020-11-29 20:56:29,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:56:29,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174290568] [2020-11-29 20:56:29,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:56:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:29,518 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:56:29,544 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:56:29,549 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:56:29,885 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2020-11-29 20:56:29,997 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:56:29,997 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:56:29,997 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:56:29,997 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:56:29,997 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:56:29,997 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:29,997 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:56:29,997 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:56:29,997 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-1.i_Iteration3_Lasso [2020-11-29 20:56:29,998 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:56:29,998 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:56:30,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:56:30,474 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-11-29 20:56:30,791 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:56:30,791 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) [2020-11-29 20:56:30,802 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 [2020-11-29 20:56:30,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:30,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:56:30,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:30,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:30,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:30,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:56:30,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:30,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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 [2020-11-29 20:56:30,853 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 [2020-11-29 20:56:30,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:30,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:56:30,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:30,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:30,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:30,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:56:30,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:56:30,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:30,885 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 [2020-11-29 20:56:30,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:30,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:56:30,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:30,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:30,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:30,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:56:30,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:56:30,896 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:30,923 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 [2020-11-29 20:56:30,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:30,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:30,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:30,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:30,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:30,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:56:30,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) [2020-11-29 20:56:30,989 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 [2020-11-29 20:56:30,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:30,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:56:30,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:30,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:30,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:30,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:56:30,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:30,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) [2020-11-29 20:56:31,046 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 [2020-11-29 20:56:31,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:31,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:31,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:31,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:31,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:31,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:31,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:31,105 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 [2020-11-29 20:56:31,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:31,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:56:31,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:31,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:31,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:31,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:56:31,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:56:31,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:31,165 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 [2020-11-29 20:56:31,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:31,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:56:31,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:31,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:31,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:31,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:56:31,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:56:31,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:31,223 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 [2020-11-29 20:56:31,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:31,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:31,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:31,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:31,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:31,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:56:31,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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 [2020-11-29 20:56:31,267 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 [2020-11-29 20:56:31,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:31,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:31,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:31,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:31,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:31,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:56:31,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) [2020-11-29 20:56:31,307 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 [2020-11-29 20:56:31,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:31,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:31,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:31,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:31,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:31,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:31,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:31,345 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 [2020-11-29 20:56:31,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:31,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:31,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:31,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:31,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:31,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:56:31,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:31,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:56:31,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:31,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:31,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:31,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:31,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:31,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:56:31,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:56:31,470 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 [2020-11-29 20:56:31,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:56:31,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:56:31,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:56:31,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:56:31,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:56:31,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:31,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:56:31,539 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-29 20:56:31,539 INFO L444 ModelExtractionUtils]: 32 out of 40 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35725890-7096-4c1d-9db3-5ecd5d6a7e65/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:56:31,546 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 20:56:31,548 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 20:56:31,549 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:56:31,549 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~array_size, ULTIMATE.start_sumOfThirdBytes_~i~0) = 1*ULTIMATE.start_sumOfThirdBytes_~array_size - 1*ULTIMATE.start_sumOfThirdBytes_~i~0 Supporting invariants [] [2020-11-29 20:56:31,593 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2020-11-29 20:56:31,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:56:31,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:56:31,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:56:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:56:31,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 20:56:31,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:56:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:56:31,669 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 [2020-11-29 20:56:31,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-11-29 20:56:31,690 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 12 states and 15 transitions. Complement of second has 4 states. [2020-11-29 20:56:31,690 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 [2020-11-29 20:56:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 20:56:31,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2020-11-29 20:56:31,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2020-11-29 20:56:31,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:56:31,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2020-11-29 20:56:31,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:56:31,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2020-11-29 20:56:31,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:56:31,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2020-11-29 20:56:31,693 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:56:31,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-11-29 20:56:31,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:56:31,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:56:31,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:56:31,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:56:31,693 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:56:31,694 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:56:31,694 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:56:31,694 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 20:56:31,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:56:31,694 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:56:31,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 20:56:31,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:56:31 BoogieIcfgContainer [2020-11-29 20:56:31,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:56:31,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:56:31,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:56:31,700 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:56:31,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:56:26" (3/4) ... [2020-11-29 20:56:31,704 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:56:31,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:56:31,706 INFO L168 Benchmark]: Toolchain (without parser) took 6473.12 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 59.5 MB in the beginning and 78.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:56:31,707 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory was 49.7 MB in the beginning and 49.6 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:56:31,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.35 ms. Allocated memory is still 92.3 MB. Free memory was 59.3 MB in the beginning and 58.8 MB in the end (delta: 474.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:56:31,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 92.3 MB. Free memory was 58.8 MB in the beginning and 57.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:56:31,709 INFO L168 Benchmark]: Boogie Preprocessor took 31.44 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 55.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:56:31,710 INFO L168 Benchmark]: RCFGBuilder took 533.71 ms. Allocated memory is still 92.3 MB. Free memory was 55.8 MB in the beginning and 42.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:56:31,710 INFO L168 Benchmark]: BuchiAutomizer took 5213.69 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 42.1 MB in the beginning and 78.3 MB in the end (delta: -36.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:56:31,711 INFO L168 Benchmark]: Witness Printer took 4.76 ms. Allocated memory is still 134.2 MB. Free memory is still 78.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:56:31,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory was 49.7 MB in the beginning and 49.6 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.35 ms. Allocated memory is still 92.3 MB. Free memory was 59.3 MB in the beginning and 58.8 MB in the end (delta: 474.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 92.3 MB. Free memory was 58.8 MB in the beginning and 57.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.44 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 55.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 533.71 ms. Allocated memory is still 92.3 MB. Free memory was 55.8 MB in the beginning and 42.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5213.69 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 42.1 MB in the beginning and 78.3 MB in the end (delta: -36.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.76 ms. Allocated memory is still 134.2 MB. Free memory is still 78.3 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 #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[numbers] + -4 * i and consists of 5 locations. One deterministic module has affine ranking function array_size + -1 * i and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 26 SDtfs, 32 SDslu, 15 SDs, 0 SdLazy, 27 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital120 mio100 ax115 hnf98 lsp82 ukn80 mio100 lsp63 div100 bol100 ite100 ukn100 eq175 hnf91 smp98 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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...