./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.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_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 83d173a249101326b0d087df992e67eaa15fd4df .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:28:56,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:28:56,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:28:56,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:28:56,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:28:56,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:28:56,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:28:56,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:28:56,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:28:56,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:28:56,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:28:56,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:28:56,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:28:56,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:28:56,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:28:56,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:28:56,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:28:56,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:28:56,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:28:56,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:28:56,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:28:56,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:28:56,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:28:56,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:28:56,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:28:56,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:28:56,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:28:56,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:28:56,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:28:56,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:28:56,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:28:56,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:28:56,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:28:56,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:28:56,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:28:56,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:28:56,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:28:56,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:28:56,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:28:56,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:28:56,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:28:56,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 06:28:56,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:28:56,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:28:56,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:28:56,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:28:56,930 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:28:56,930 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 06:28:56,930 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 06:28:56,931 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 06:28:56,931 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 06:28:56,931 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 06:28:56,931 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 06:28:56,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:28:56,931 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 06:28:56,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:28:56,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:28:56,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 06:28:56,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 06:28:56,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 06:28:56,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:28:56,933 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 06:28:56,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:28:56,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 06:28:56,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:28:56,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:28:56,934 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 06:28:56,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:28:56,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:28:56,934 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 06:28:56,935 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 06:28:56,935 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_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 -> 83d173a249101326b0d087df992e67eaa15fd4df [2019-11-20 06:28:57,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:28:57,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:28:57,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:28:57,084 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:28:57,084 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:28:57,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i [2019-11-20 06:28:57,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/data/f6e25b32b/94fdcdbd05474182bdc7a1b303c897a6/FLAG119478294 [2019-11-20 06:28:57,597 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:28:57,598 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i [2019-11-20 06:28:57,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/data/f6e25b32b/94fdcdbd05474182bdc7a1b303c897a6/FLAG119478294 [2019-11-20 06:28:58,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/data/f6e25b32b/94fdcdbd05474182bdc7a1b303c897a6 [2019-11-20 06:28:58,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:28:58,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:28:58,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:28:58,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:28:58,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:28:58,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707d5de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58, skipping insertion in model container [2019-11-20 06:28:58,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:28:58,176 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:28:58,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:28:58,564 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:28:58,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:28:58,661 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:28:58,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58 WrapperNode [2019-11-20 06:28:58,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:28:58,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:28:58,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:28:58,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:28:58,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:28:58,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:28:58,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:28:58,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:28:58,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (1/1) ... [2019-11-20 06:28:58,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:28:58,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:28:58,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:28:58,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:28:58,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:28:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 06:28:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:28:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:28:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:28:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:28:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:28:59,073 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:28:59,073 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 06:28:59,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:59 BoogieIcfgContainer [2019-11-20 06:28:59,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:28:59,075 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 06:28:59,075 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 06:28:59,078 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 06:28:59,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:28:59,079 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:28:58" (1/3) ... [2019-11-20 06:28:59,080 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79bd6866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:28:59, skipping insertion in model container [2019-11-20 06:28:59,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:28:59,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:58" (2/3) ... [2019-11-20 06:28:59,080 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79bd6866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:28:59, skipping insertion in model container [2019-11-20 06:28:59,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:28:59,081 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:59" (3/3) ... [2019-11-20 06:28:59,081 INFO L371 chiAutomizerObserver]: Analyzing ICFG add_last-alloca-2.i [2019-11-20 06:28:59,135 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 06:28:59,135 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 06:28:59,136 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 06:28:59,136 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:28:59,136 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:28:59,136 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 06:28:59,136 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:28:59,137 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 06:28:59,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 06:28:59,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 06:28:59,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:28:59,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:28:59,167 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 06:28:59,167 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 06:28:59,167 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 06:28:59,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 06:28:59,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 06:28:59,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:28:59,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:28:59,169 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 06:28:59,169 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 06:28:59,174 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem6, main_#t~mem7, main_#t~post8.base, main_#t~post8.offset, main_#t~mem4, main_#t~mem5, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 11#L550true assume !(main_~length~0 < 1); 4#L550-2true call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 8#L552true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset; 9#L554-3true [2019-11-20 06:28:59,174 INFO L796 eck$LassoCheckResult]: Loop: 9#L554-3true call main_#t~mem4 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem5 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4); 5#L554-1true assume !!(main_#t~mem4 != main_#t~mem5);havoc main_#t~mem5;havoc main_#t~mem4;call main_#t~mem6 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem7 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4);call write~int(main_#t~mem6 + main_#t~mem7, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem7;havoc main_#t~mem6;main_#t~post8.base, main_#t~post8.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post8.base, 4 + main_#t~post8.offset;havoc main_#t~post8.base, main_#t~post8.offset; 9#L554-3true [2019-11-20 06:28:59,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:59,179 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-11-20 06:28:59,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:59,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381514684] [2019-11-20 06:28:59,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:28:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:28:59,284 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:28:59,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:59,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2019-11-20 06:28:59,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:59,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600031493] [2019-11-20 06:28:59,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:28:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:28:59,312 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:28:59,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:59,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2019-11-20 06:28:59,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:59,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939016720] [2019-11-20 06:28:59,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:28:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:28:59,381 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:28:59,720 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2019-11-20 06:28:59,775 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 06:28:59,775 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 06:28:59,775 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 06:28:59,775 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 06:28:59,775 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 06:28:59,775 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:28:59,776 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 06:28:59,776 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 06:28:59,776 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_last-alloca-2.i_Iteration1_Lasso [2019-11-20 06:28:59,776 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 06:28:59,776 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 06:28:59,795 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 06:28:59,799 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 06:28:59,802 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 06:28:59,806 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 06:28:59,809 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 06:28:59,814 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 06:28:59,816 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 06:28:59,821 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 06:28:59,824 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 06:28:59,827 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 06:29:00,109 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-11-20 06:29:00,110 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 06:29:00,113 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 06:29:00,117 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 06:29:00,120 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 06:29:00,124 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 06:29:00,127 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 06:29:00,535 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 06:29:00,543 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:29:00,550 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 06:29:00,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:00,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:00,557 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 06:29:00,559 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:29:00,575 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 06:29:00,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:00,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:00,579 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 06:29:00,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:29:00,597 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 06:29:00,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:00,611 INFO L402 nArgumentSynthesizer]: A total of 2 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 06:29:00,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:29:00,633 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 06:29:00,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:00,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:00,637 INFO L402 nArgumentSynthesizer]: A total of 0 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 06:29:00,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:29:00,653 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 06:29:00,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:00,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:00,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:00,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:00,673 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 06:29:00,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:00,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:00,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:00,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:29:00,691 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 06:29:00,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:00,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:00,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:00,711 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 06:29:00,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:00,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:00,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:00,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:29:00,743 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 06:29:00,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:00,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:00,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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) [2019-11-20 06:29:00,761 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:00,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:00,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:00,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:29:00,797 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 06:29:00,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:00,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,800 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 06:29:00,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,804 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 06:29:00,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:00,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:29:00,821 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 06:29:00,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:00,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:00,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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 06:29:00,844 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 06:29:00,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:00,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:00,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:00,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:00,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:00,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:00,877 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 06:29:01,060 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2019-11-20 06:29:01,061 INFO L444 ModelExtractionUtils]: 3 out of 25 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc327be-b49b-4888-a2b0-9e474cee5dc3/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) [2019-11-20 06:29:01,083 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:01,087 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 06:29:01,087 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 06:29:01,087 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0.offset, v_rep(select #length ULTIMATE.start_main_~arr~0.base)_1) = -1*ULTIMATE.start_main_~a~0.offset + 2*v_rep(select #length ULTIMATE.start_main_~arr~0.base)_1 Supporting invariants [] [2019-11-20 06:29:01,112 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 06:29:01,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 06:29:01,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:01,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 06:29:01,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:01,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 06:29:01,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:01,269 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 06:29:01,285 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 06:29:01,286 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2019-11-20 06:29:01,373 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 06:29:01,375 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 06:29:01,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 06:29:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2019-11-20 06:29:01,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 06:29:01,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:01,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 06:29:01,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:01,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-20 06:29:01,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:01,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2019-11-20 06:29:01,386 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 06:29:01,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-11-20 06:29:01,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 06:29:01,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 06:29:01,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 06:29:01,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:29:01,392 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:29:01,392 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:29:01,392 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:29:01,392 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 06:29:01,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 06:29:01,392 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 06:29:01,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 06:29:01,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:29:01 BoogieIcfgContainer [2019-11-20 06:29:01,398 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 06:29:01,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:29:01,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:29:01,399 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:29:01,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:59" (3/4) ... [2019-11-20 06:29:01,403 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 06:29:01,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:29:01,405 INFO L168 Benchmark]: Toolchain (without parser) took 3298.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:29:01,405 INFO L168 Benchmark]: CDTParser took 0.24 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 06:29:01,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:01,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.72 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 06:29:01,417 INFO L168 Benchmark]: Boogie Preprocessor took 20.89 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 06:29:01,417 INFO L168 Benchmark]: RCFGBuilder took 353.65 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:01,418 INFO L168 Benchmark]: BuchiAutomizer took 2323.22 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: -1.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:29:01,419 INFO L168 Benchmark]: Witness Printer took 4.88 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 06:29:01,426 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 554.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.72 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. * Boogie Preprocessor took 20.89 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 353.65 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2323.22 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: -1.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.88 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. * 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 -1 * a + 2 * unknown-#length-unknown[arr] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital145 mio100 ax112 hnf99 lsp85 ukn81 mio100 lsp53 div100 bol100 ite100 ukn100 eq172 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms 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...