./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/add_first_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/add_first_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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 64bit --witnessprinter.graph.data.programhash b80c314f9b813935201d5b334c75f7a685c1e89b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:42:22,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:42:22,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:42:22,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:42:22,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:42:22,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:42:22,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:42:22,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:42:22,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:42:22,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:42:22,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:42:22,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:42:22,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:42:22,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:42:22,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:42:22,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:42:22,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:42:22,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:42:22,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:42:22,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:42:22,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:42:22,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:42:22,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:42:22,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:42:22,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:42:22,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:42:22,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:42:22,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:42:22,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:42:22,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:42:22,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:42:22,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:42:22,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:42:22,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:42:22,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:42:22,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:42:22,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:42:22,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:42:22,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:42:22,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:42:22,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:42:22,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 10:42:22,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:42:22,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:42:22,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:42:22,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:42:22,915 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:42:22,915 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:42:22,915 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:42:22,915 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:42:22,915 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:42:22,916 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:42:22,916 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:42:22,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:42:22,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:42:22,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:42:22,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:42:22,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:42:22,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:42:22,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:42:22,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:42:22,918 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:42:22,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:42:22,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:42:22,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:42:22,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:42:22,919 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:42:22,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:42:22,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:42:22,919 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:42:22,920 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:42:22,920 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_0139b553-763c-4e69-b3e4-554185a69401/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b80c314f9b813935201d5b334c75f7a685c1e89b [2019-11-20 10:42:23,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:42:23,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:42:23,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:42:23,140 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:42:23,141 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:42:23,142 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/../../sv-benchmarks/c/termination-15/add_first_alloca.i [2019-11-20 10:42:23,204 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/data/6a383d6d2/8a865e586b85444e8647b2f9bc9d8c9c/FLAGc2a03dc4a [2019-11-20 10:42:23,631 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:42:23,632 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/sv-benchmarks/c/termination-15/add_first_alloca.i [2019-11-20 10:42:23,644 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/data/6a383d6d2/8a865e586b85444e8647b2f9bc9d8c9c/FLAGc2a03dc4a [2019-11-20 10:42:24,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/data/6a383d6d2/8a865e586b85444e8647b2f9bc9d8c9c [2019-11-20 10:42:24,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:42:24,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:42:24,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:42:24,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:42:24,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:42:24,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128cb063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24, skipping insertion in model container [2019-11-20 10:42:24,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,041 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:42:24,074 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:42:24,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:42:24,486 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:42:24,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:42:24,597 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:42:24,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24 WrapperNode [2019-11-20 10:42:24,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:42:24,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:42:24,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:42:24,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:42:24,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:42:24,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:42:24,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:42:24,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:42:24,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (1/1) ... [2019-11-20 10:42:24,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:42:24,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:42:24,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:42:24,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:42:24,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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 [2019-11-20 10:42:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:42:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:42:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:42:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:42:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:42:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:42:24,902 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:42:24,902 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:42:24,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:24 BoogieIcfgContainer [2019-11-20 10:42:24,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:42:24,904 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:42:24,904 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:42:24,907 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:42:24,908 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:42:24,908 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:42:24" (1/3) ... [2019-11-20 10:42:24,909 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42e2dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:42:24, skipping insertion in model container [2019-11-20 10:42:24,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:42:24,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:24" (2/3) ... [2019-11-20 10:42:24,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42e2dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:42:24, skipping insertion in model container [2019-11-20 10:42:24,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:42:24,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:24" (3/3) ... [2019-11-20 10:42:24,911 INFO L371 chiAutomizerObserver]: Analyzing ICFG add_first_alloca.i [2019-11-20 10:42:24,952 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:42:24,952 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:42:24,952 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:42:24,952 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:42:24,953 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:42:24,953 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:42:24,953 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:42:24,953 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:42:24,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 10:42:24,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 10:42:24,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:42:24,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:42:24,990 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 10:42:24,990 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 10:42:24,990 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:42:24,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 10:42:24,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 10:42:24,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:42:24,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:42:24,992 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 10:42:24,992 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 10:42:24,999 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem209, main_#t~mem210, main_#t~post211.base, main_#t~post211.offset, main_#t~mem207, main_#t~mem208, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 12#L367true assume !(main_~length~0 < 1); 5#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 9#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4; 10#L371-3true [2019-11-20 10:42:25,000 INFO L796 eck$LassoCheckResult]: Loop: 10#L371-3true call main_#t~mem207 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem208 := read~int(main_~arr~0.base, main_~arr~0.offset, 4); 6#L371-1true assume !!(main_#t~mem207 != main_#t~mem208);havoc main_#t~mem208;havoc main_#t~mem207;call main_#t~mem209 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);call write~int(main_#t~mem209 + main_#t~mem210, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem210;havoc main_#t~mem209;main_#t~post211.base, main_#t~post211.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post211.base, main_#t~post211.offset - 4;havoc main_#t~post211.base, main_#t~post211.offset; 10#L371-3true [2019-11-20 10:42:25,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:42:25,005 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-11-20 10:42:25,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:42:25,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809338980] [2019-11-20 10:42:25,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:42:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:42:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:42:25,206 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:42:25,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:42:25,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2019-11-20 10:42:25,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:42:25,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366275988] [2019-11-20 10:42:25,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:42:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:42:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:42:25,259 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:42:25,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:42:25,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2019-11-20 10:42:25,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:42:25,261 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34707134] [2019-11-20 10:42:25,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:42:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:42:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:42:25,307 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:42:25,540 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-11-20 10:42:25,601 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:42:25,602 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:42:25,602 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:42:25,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:42:25,603 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:42:25,603 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:42:25,603 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:42:25,603 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:42:25,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_first_alloca.i_Iteration1_Lasso [2019-11-20 10:42:25,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:42:25,604 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:42:25,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:42:25,836 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-11-20 10:42:25,955 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-11-20 10:42:26,357 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:42:26,363 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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) [2019-11-20 10:42:26,370 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 [2019-11-20 10:42:26,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:42:26,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:42:26,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:42:26,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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) [2019-11-20 10:42:26,395 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 [2019-11-20 10:42:26,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:42:26,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:42:26,400 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 [2019-11-20 10:42:26,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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) [2019-11-20 10:42:26,418 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 [2019-11-20 10:42:26,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:42:26,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:42:26,428 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 [2019-11-20 10:42:26,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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) [2019-11-20 10:42:26,445 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 [2019-11-20 10:42:26,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:42:26,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:42:26,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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) [2019-11-20 10:42:26,471 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 [2019-11-20 10:42:26,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:42:26,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:42:26,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:42:26,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:42:26,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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) [2019-11-20 10:42:26,493 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 [2019-11-20 10:42:26,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:42:26,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:42:26,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:42:26,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:42:26,515 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 [2019-11-20 10:42:26,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:42:26,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:42:26,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:42:26,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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) [2019-11-20 10:42:26,537 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:42:26,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:42:26,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:42:26,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:42:26,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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 [2019-11-20 10:42:26,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:42:26,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:42:26,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:42:26,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:42:26,577 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 [2019-11-20 10:42:26,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:42:26,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:42:26,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:42:26,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:42:26,591 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 [2019-11-20 10:42:26,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:42:26,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:42:26,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:42:26,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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 [2019-11-20 10:42:26,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:42:26,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:42:26,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:42:26,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:42:26,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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 [2019-11-20 10:42:26,633 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 [2019-11-20 10:42:26,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:42:26,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:42:26,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:42:26,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:42:26,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:42:26,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:42:26,668 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:42:26,812 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-11-20 10:42:26,813 INFO L444 ModelExtractionUtils]: 4 out of 25 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0139b553-763c-4e69-b3e4-554185a69401/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 [2019-11-20 10:42:26,821 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 10:42:26,824 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 10:42:26,824 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:42:26,825 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1, ULTIMATE.start_main_~a~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1 + 4*ULTIMATE.start_main_~a~0.offset Supporting invariants [] [2019-11-20 10:42:26,845 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 10:42:26,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 10:42:26,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:42:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:26,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:42:26,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:42:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:26,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 10:42:26,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:42:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:26,996 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 10:42:26,998 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2019-11-20 10:42:27,072 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 21 states and 24 transitions. Complement of second has 7 states. [2019-11-20 10:42:27,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 10:42:27,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 10:42:27,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2019-11-20 10:42:27,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 10:42:27,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:42:27,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 10:42:27,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:42:27,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-20 10:42:27,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:42:27,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2019-11-20 10:42:27,081 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:42:27,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-11-20 10:42:27,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 10:42:27,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 10:42:27,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 10:42:27,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:42:27,086 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:42:27,086 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:42:27,086 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:42:27,086 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 10:42:27,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:42:27,087 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:42:27,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 10:42:27,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:42:27 BoogieIcfgContainer [2019-11-20 10:42:27,093 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:42:27,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:42:27,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:42:27,093 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:42:27,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:24" (3/4) ... [2019-11-20 10:42:27,097 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:42:27,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:42:27,099 INFO L168 Benchmark]: Toolchain (without parser) took 3071.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 944.7 MB in the beginning and 860.0 MB in the end (delta: 84.7 MB). Peak memory consumption was 249.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:42:27,099 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:42:27,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:42:27,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:42:27,101 INFO L168 Benchmark]: Boogie Preprocessor took 21.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:42:27,101 INFO L168 Benchmark]: RCFGBuilder took 246.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:42:27,102 INFO L168 Benchmark]: BuchiAutomizer took 2188.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 860.0 MB in the end (delta: 253.0 MB). Peak memory consumption was 253.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:42:27,102 INFO L168 Benchmark]: Witness Printer took 4.11 ms. Allocated memory is still 1.2 GB. Free memory is still 860.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:42:27,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 569.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 246.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2188.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 860.0 MB in the end (delta: 253.0 MB). Peak memory consumption was 253.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.11 ms. Allocated memory is still 1.2 GB. Free memory is still 860.0 MB. There was no memory consumed. Max. memory is 11.5 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] + 4 * a and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 10 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp54 div100 bol100 ite100 ukn100 eq182 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms 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...