./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_2.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_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/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 cb61b20f762668b73989e938377c88f0ed9a62ca .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:02:34,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:02:34,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:02:34,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:02:34,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:02:34,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:02:34,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:02:34,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:02:34,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:02:34,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:02:34,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:02:34,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:02:34,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:02:34,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:02:34,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:02:34,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:02:34,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:02:34,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:02:34,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:02:34,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:02:34,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:02:34,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:02:34,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:02:34,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:02:34,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:02:34,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:02:34,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:02:34,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:02:34,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:02:34,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:02:34,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:02:34,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:02:34,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:02:34,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:02:34,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:02:34,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:02:34,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:02:34,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:02:34,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:02:34,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:02:34,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:02:34,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:02:34,998 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:02:34,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:02:35,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:02:35,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:02:35,000 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:02:35,001 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:02:35,001 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:02:35,001 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:02:35,001 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:02:35,001 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:02:35,002 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:02:35,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:02:35,003 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:02:35,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:02:35,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:02:35,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:02:35,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:02:35,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:02:35,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:02:35,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:02:35,004 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:02:35,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:02:35,005 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:02:35,005 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:02:35,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:02:35,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:02:35,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:02:35,006 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:02:35,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:02:35,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:02:35,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:02:35,006 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:02:35,007 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:02:35,008 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_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb61b20f762668b73989e938377c88f0ed9a62ca [2020-11-28 03:02:35,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:02:35,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:02:35,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:02:35,370 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:02:35,371 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:02:35,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/../../sv-benchmarks/c/loop-new/count_by_2.i [2020-11-28 03:02:35,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/data/24f4aea0b/838cef4964f9431b950a552c8e772850/FLAG24ee0e3c7 [2020-11-28 03:02:35,988 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:02:35,989 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/sv-benchmarks/c/loop-new/count_by_2.i [2020-11-28 03:02:36,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/data/24f4aea0b/838cef4964f9431b950a552c8e772850/FLAG24ee0e3c7 [2020-11-28 03:02:36,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/data/24f4aea0b/838cef4964f9431b950a552c8e772850 [2020-11-28 03:02:36,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:02:36,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:02:36,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:36,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:02:36,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:02:36,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15fe100c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36, skipping insertion in model container [2020-11-28 03:02:36,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:02:36,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:02:36,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:36,607 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:02:36,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:36,650 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:02:36,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36 WrapperNode [2020-11-28 03:02:36,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:36,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:02:36,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:02:36,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:02:36,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:02:36,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:02:36,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:02:36,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:02:36,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (1/1) ... [2020-11-28 03:02:36,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:02:36,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:02:36,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:02:36,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:02:36,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/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 [2020-11-28 03:02:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:02:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:02:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:02:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:02:37,192 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:02:37,193 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:02:37,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:37 BoogieIcfgContainer [2020-11-28 03:02:37,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:02:37,197 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:02:37,197 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:02:37,200 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:02:37,201 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:02:37,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:02:36" (1/3) ... [2020-11-28 03:02:37,203 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@504df878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:02:37, skipping insertion in model container [2020-11-28 03:02:37,203 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:02:37,203 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:36" (2/3) ... [2020-11-28 03:02:37,205 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@504df878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:02:37, skipping insertion in model container [2020-11-28 03:02:37,205 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:02:37,205 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:37" (3/3) ... [2020-11-28 03:02:37,207 INFO L373 chiAutomizerObserver]: Analyzing ICFG count_by_2.i [2020-11-28 03:02:37,273 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:02:37,273 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:02:37,273 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:02:37,274 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:02:37,274 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:02:37,274 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:02:37,274 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:02:37,274 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:02:37,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-28 03:02:37,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:02:37,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:02:37,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:02:37,320 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:02:37,320 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:02:37,321 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:02:37,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-28 03:02:37,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:02:37,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:02:37,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:02:37,324 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:02:37,325 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:02:37,333 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 7#L-1true havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 12#L26-3true [2020-11-28 03:02:37,333 INFO L796 eck$LassoCheckResult]: Loop: 12#L26-3true assume !!(main_~i~0 < 1000000); 14#L26-2true main_~i~0 := 2 + main_~i~0; 12#L26-3true [2020-11-28 03:02:37,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:37,341 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 03:02:37,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:37,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157819344] [2020-11-28 03:02:37,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:37,475 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:37,505 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:37,531 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:02:37,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:37,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2020-11-28 03:02:37,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:37,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107876990] [2020-11-28 03:02:37,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:37,547 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:37,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:37,559 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:02:37,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:37,562 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-11-28 03:02:37,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:37,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901829567] [2020-11-28 03:02:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:37,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:37,621 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:37,629 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:02:37,692 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:02:37,693 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:02:37,693 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:02:37,694 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:02:37,694 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:02:37,694 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:37,694 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:02:37,694 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:02:37,694 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_2.i_Iteration1_Loop [2020-11-28 03:02:37,695 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:02:37,695 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:02:37,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:02:37,799 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:02:37,799 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/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) [2020-11-28 03:02:37,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:02:37,812 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/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) [2020-11-28 03:02:37,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:02:37,858 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:37,899 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:02:37,901 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:02:37,901 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:02:37,901 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:02:37,901 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:02:37,901 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:02:37,901 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:37,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:02:37,902 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:02:37,902 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_2.i_Iteration1_Loop [2020-11-28 03:02:37,902 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:02:37,902 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:02:37,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:02:37,972 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:02:37,976 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:37,989 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 [2020-11-28 03:02:37,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:02:37,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:02:37,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:02:37,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:02:37,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:02:37,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:02:37,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:02:38,005 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:02:38,025 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:02:38,025 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0453ed-d1ca-43ee-9c0c-eaf6860f16c7/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 [2020-11-28 03:02:38,065 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:02:38,065 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:02:38,066 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:02:38,066 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 1000000 Supporting invariants [] [2020-11-28 03:02:38,097 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:02:38,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:38,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:02:38,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:38,236 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:02:38,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:38,266 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 [2020-11-28 03:02:38,267 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2020-11-28 03:02:38,355 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 31 states and 39 transitions. Complement of second has 7 states. [2020-11-28 03:02:38,356 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 [2020-11-28 03:02:38,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:02:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2020-11-28 03:02:38,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 2 letters. [2020-11-28 03:02:38,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:02:38,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-28 03:02:38,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:02:38,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 4 letters. [2020-11-28 03:02:38,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:02:38,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2020-11-28 03:02:38,367 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:02:38,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2020-11-28 03:02:38,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:02:38,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:02:38,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:02:38,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:02:38,373 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:02:38,373 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:02:38,373 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:02:38,373 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:02:38,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:02:38,374 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:02:38,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:02:38,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:02:38 BoogieIcfgContainer [2020-11-28 03:02:38,381 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:02:38,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:02:38,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:02:38,382 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:02:38,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:37" (3/4) ... [2020-11-28 03:02:38,386 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:02:38,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:02:38,389 INFO L168 Benchmark]: Toolchain (without parser) took 2039.11 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 64.9 MB in the beginning and 91.6 MB in the end (delta: -26.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:38,390 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 102.8 MB. Free memory is still 80.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:38,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.60 ms. Allocated memory is still 102.8 MB. Free memory was 64.6 MB in the beginning and 78.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:38,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 76.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:38,392 INFO L168 Benchmark]: Boogie Preprocessor took 26.22 ms. Allocated memory is still 102.8 MB. Free memory was 76.7 MB in the beginning and 75.9 MB in the end (delta: 768.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:38,393 INFO L168 Benchmark]: RCFGBuilder took 474.60 ms. Allocated memory is still 102.8 MB. Free memory was 75.9 MB in the beginning and 65.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:38,394 INFO L168 Benchmark]: BuchiAutomizer took 1184.01 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 65.1 MB in the beginning and 92.3 MB in the end (delta: -27.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:38,395 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 123.7 MB. Free memory was 92.3 MB in the beginning and 91.6 MB in the end (delta: 698.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:38,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 102.8 MB. Free memory is still 80.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 303.60 ms. Allocated memory is still 102.8 MB. Free memory was 64.6 MB in the beginning and 78.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 76.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.22 ms. Allocated memory is still 102.8 MB. Free memory was 76.7 MB in the beginning and 75.9 MB in the end (delta: 768.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 474.60 ms. Allocated memory is still 102.8 MB. Free memory was 75.9 MB in the beginning and 65.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1184.01 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 65.1 MB in the beginning and 92.3 MB in the end (delta: -27.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.18 ms. Allocated memory is still 123.7 MB. Free memory was 92.3 MB in the beginning and 91.6 MB in the end (delta: 698.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + 1000000 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 9 SDslu, 12 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 88ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...