./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 f9e8d57988f982ece26fd7a4aa6d80b7a8ef76d2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:49:27,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:27,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:27,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:27,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:27,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:27,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:27,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:27,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:27,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:27,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:27,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:27,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:27,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:27,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:27,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:27,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:27,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:27,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:27,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:27,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:27,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:27,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:27,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:27,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:27,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:27,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:27,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:27,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:27,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:27,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:27,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:27,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:27,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:27,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:27,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:27,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:27,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:27,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:27,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:27,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:27,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:49:27,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:27,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:27,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:27,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:27,967 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:27,968 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:49:27,968 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:49:27,968 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:49:27,968 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:49:27,968 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:49:27,968 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:49:27,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:27,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:49:27,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:27,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:27,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:49:27,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:49:27,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:49:27,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:27,970 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:49:27,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:27,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:49:27,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:27,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:27,971 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:49:27,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:27,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:27,972 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:49:27,972 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:49:27,972 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_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 -> f9e8d57988f982ece26fd7a4aa6d80b7a8ef76d2 [2019-11-25 08:49:28,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:28,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:28,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:28,121 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:28,121 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:28,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i [2019-11-25 08:49:28,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/data/ba2d15621/3dd98cb529be4b85be590c7a8e46b9e5/FLAG2f40159aa [2019-11-25 08:49:28,558 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:28,559 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i [2019-11-25 08:49:28,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/data/ba2d15621/3dd98cb529be4b85be590c7a8e46b9e5/FLAG2f40159aa [2019-11-25 08:49:28,581 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/data/ba2d15621/3dd98cb529be4b85be590c7a8e46b9e5 [2019-11-25 08:49:28,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:28,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:28,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:28,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:28,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:28,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4363eeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28, skipping insertion in model container [2019-11-25 08:49:28,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:28,628 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:28,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:28,868 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:28,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:28,900 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:28,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28 WrapperNode [2019-11-25 08:49:28,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:28,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:28,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:28,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:28,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:28,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:28,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:28,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:28,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (1/1) ... [2019-11-25 08:49:28,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:28,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:28,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:28,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:28,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 [2019-11-25 08:49:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure rec_strcopy_helper [2019-11-25 08:49:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_strcopy_helper [2019-11-25 08:49:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure rec_cstrlen [2019-11-25 08:49:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_cstrlen [2019-11-25 08:49:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:49:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:49:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:49:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:49:29,341 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:29,341 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-25 08:49:29,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:29 BoogieIcfgContainer [2019-11-25 08:49:29,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:29,343 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:49:29,343 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:49:29,347 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:49:29,347 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:29,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:49:28" (1/3) ... [2019-11-25 08:49:29,349 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fda7880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:29, skipping insertion in model container [2019-11-25 08:49:29,349 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:29,349 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:28" (2/3) ... [2019-11-25 08:49:29,349 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fda7880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:29, skipping insertion in model container [2019-11-25 08:49:29,350 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:29,350 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:29" (3/3) ... [2019-11-25 08:49:29,351 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_strcopy_malloc2.i [2019-11-25 08:49:29,392 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:49:29,392 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:49:29,392 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:49:29,392 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:29,405 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:29,406 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:49:29,406 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:29,406 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:49:29,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-11-25 08:49:29,457 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-25 08:49:29,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:29,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:29,465 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:49:29,465 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:49:29,466 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:49:29,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-11-25 08:49:29,469 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-25 08:49:29,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:29,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:29,470 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:49:29,470 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:49:29,490 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 13#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length~1, main_~original~0.base, main_~original~0.offset, main_~res~0.base, main_~res~0.offset;main_~length~1 := main_#t~nondet8;havoc main_#t~nondet8; 16#L43true assume main_~length~1 < 1;main_~length~1 := 1; 11#L43-2true build_nondet_String_#in~length := main_~length~1;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length := build_nondet_String_#in~length;call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 20#L12true main_#t~ret9.base, main_#t~ret9.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;main_~original~0.base, main_~original~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset;rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset := main_~original~0.base, main_~original~0.offset;havoc rec_strcopy_#res.base, rec_strcopy_#res.offset;havoc rec_strcopy_#t~ret6, rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset, rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~length~0, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset;rec_strcopy_~source.base, rec_strcopy_~source.offset := rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset; 22#L34true call rec_strcopy_#t~ret6 := rec_cstrlen(rec_strcopy_~source.base, rec_strcopy_~source.offset);< 6#rec_cstrlenENTRYtrue [2019-11-25 08:49:29,491 INFO L796 eck$LassoCheckResult]: Loop: 6#rec_cstrlenENTRYtrue ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int(~s.base, ~s.offset, 1); 8#L17true assume !(0 == #t~mem2);havoc #t~mem2; 14#L20true call #t~ret3 := rec_cstrlen(~s.base, 1 + ~s.offset);< 6#rec_cstrlenENTRYtrue [2019-11-25 08:49:29,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:29,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1155759803, now seen corresponding path program 1 times [2019-11-25 08:49:29,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:29,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791638681] [2019-11-25 08:49:29,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:29,639 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:29,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:29,646 INFO L82 PathProgramCache]: Analyzing trace with hash 59719, now seen corresponding path program 1 times [2019-11-25 08:49:29,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:29,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454697658] [2019-11-25 08:49:29,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:29,670 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:29,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:29,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1512490931, now seen corresponding path program 1 times [2019-11-25 08:49:29,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:29,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687469414] [2019-11-25 08:49:29,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:29,891 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687469414] [2019-11-25 08:49:29,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:29,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:49:29,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714496297] [2019-11-25 08:49:30,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:30,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:49:30,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:49:30,026 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 7 states. [2019-11-25 08:49:30,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:30,208 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2019-11-25 08:49:30,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:49:30,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 42 transitions. [2019-11-25 08:49:30,215 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-25 08:49:30,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 26 states and 29 transitions. [2019-11-25 08:49:30,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-25 08:49:30,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-25 08:49:30,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2019-11-25 08:49:30,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:30,224 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-11-25 08:49:30,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2019-11-25 08:49:30,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-11-25 08:49:30,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-25 08:49:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-11-25 08:49:30,251 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-25 08:49:30,252 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-25 08:49:30,252 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:49:30,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2019-11-25 08:49:30,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-25 08:49:30,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:30,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:30,254 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:49:30,254 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:49:30,254 INFO L794 eck$LassoCheckResult]: Stem: 101#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 98#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length~1, main_~original~0.base, main_~original~0.offset, main_~res~0.base, main_~res~0.offset;main_~length~1 := main_#t~nondet8;havoc main_#t~nondet8; 99#L43 assume !(main_~length~1 < 1); 102#L43-2 build_nondet_String_#in~length := main_~length~1;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length := build_nondet_String_#in~length;call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 106#L12 main_#t~ret9.base, main_#t~ret9.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;main_~original~0.base, main_~original~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset;rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset := main_~original~0.base, main_~original~0.offset;havoc rec_strcopy_#res.base, rec_strcopy_#res.offset;havoc rec_strcopy_#t~ret6, rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset, rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~length~0, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset;rec_strcopy_~source.base, rec_strcopy_~source.offset := rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset; 93#L34 call rec_strcopy_#t~ret6 := rec_cstrlen(rec_strcopy_~source.base, rec_strcopy_~source.offset);< 100#rec_cstrlenENTRY [2019-11-25 08:49:30,254 INFO L796 eck$LassoCheckResult]: Loop: 100#rec_cstrlenENTRY ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int(~s.base, ~s.offset, 1); 104#L17 assume !(0 == #t~mem2);havoc #t~mem2; 94#L20 call #t~ret3 := rec_cstrlen(~s.base, 1 + ~s.offset);< 100#rec_cstrlenENTRY [2019-11-25 08:49:30,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:30,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1155819385, now seen corresponding path program 1 times [2019-11-25 08:49:30,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:30,255 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170632289] [2019-11-25 08:49:30,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:30,281 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:30,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:30,282 INFO L82 PathProgramCache]: Analyzing trace with hash 59719, now seen corresponding path program 2 times [2019-11-25 08:49:30,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:30,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604467387] [2019-11-25 08:49:30,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:30,291 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:30,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:30,292 INFO L82 PathProgramCache]: Analyzing trace with hash 262516431, now seen corresponding path program 1 times [2019-11-25 08:49:30,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:30,292 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051371644] [2019-11-25 08:49:30,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:30,326 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:30,663 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-11-25 08:49:30,931 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:30,932 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:30,932 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:30,932 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:30,933 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:49:30,933 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:30,933 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:30,933 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:30,933 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strcopy_malloc2.i_Iteration2_Lasso [2019-11-25 08:49:30,934 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:30,934 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:30,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:30,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:30,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:30,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:30,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:30,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:30,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:30,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:31,502 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:31,507 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:31,514 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 [2019-11-25 08:49:31,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:31,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:31,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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) [2019-11-25 08:49:31,554 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 [2019-11-25 08:49:31,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:31,558 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 [2019-11-25 08:49:31,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:31,578 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 [2019-11-25 08:49:31,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:31,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:31,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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) [2019-11-25 08:49:31,602 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:31,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:31,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:31,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:31,612 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 [2019-11-25 08:49:31,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:31,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:31,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 [2019-11-25 08:49:31,622 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 [2019-11-25 08:49:31,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:31,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:31,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 [2019-11-25 08:49:31,636 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 [2019-11-25 08:49:31,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:31,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:31,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 [2019-11-25 08:49:31,658 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 [2019-11-25 08:49:31,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:31,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:31,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 [2019-11-25 08:49:31,667 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 [2019-11-25 08:49:31,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:31,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:31,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 [2019-11-25 08:49:31,686 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 [2019-11-25 08:49:31,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:31,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:31,690 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 [2019-11-25 08:49:31,699 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 [2019-11-25 08:49:31,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:31,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:31,703 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 [2019-11-25 08:49:31,709 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 [2019-11-25 08:49:31,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:31,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,711 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:49:31,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,712 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:49:31,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:31,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 [2019-11-25 08:49:31,721 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 [2019-11-25 08:49:31,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:31,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:31,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/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 [2019-11-25 08:49:31,737 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 [2019-11-25 08:49:31,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:31,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:31,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:31,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:31,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:31,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:31,761 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:31,799 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-25 08:49:31,799 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:31,890 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:49:31,921 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:49:31,922 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:31,922 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(rec_cstrlen_#in~s.offset, v_rep(select #length rec_cstrlen_#in~s.base)_1) = -1*rec_cstrlen_#in~s.offset + 1*v_rep(select #length rec_cstrlen_#in~s.base)_1 Supporting invariants [] [2019-11-25 08:49:31,931 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-25 08:49:31,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:49:31,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:31,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:49:31,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:31,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:49:31,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:32,023 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:49:32,024 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 27 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-25 08:49:32,093 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 27 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 42 states and 48 transitions. Complement of second has 8 states. [2019-11-25 08:49:32,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:49:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-11-25 08:49:32,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-25 08:49:32,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:32,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-25 08:49:32,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:32,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-25 08:49:32,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:32,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 48 transitions. [2019-11-25 08:49:32,102 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:32,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 33 states and 39 transitions. [2019-11-25 08:49:32,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2019-11-25 08:49:32,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2019-11-25 08:49:32,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 39 transitions. [2019-11-25 08:49:32,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:49:32,116 INFO L688 BuchiCegarLoop]: Abstraction has 33 states and 39 transitions. [2019-11-25 08:49:32,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 39 transitions. [2019-11-25 08:49:32,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2019-11-25 08:49:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-25 08:49:32,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2019-11-25 08:49:32,123 INFO L711 BuchiCegarLoop]: Abstraction has 31 states and 35 transitions. [2019-11-25 08:49:32,123 INFO L591 BuchiCegarLoop]: Abstraction has 31 states and 35 transitions. [2019-11-25 08:49:32,123 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:49:32,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 35 transitions. [2019-11-25 08:49:32,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:32,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:32,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:32,129 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:32,129 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:49:32,130 INFO L794 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 222#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length~1, main_~original~0.base, main_~original~0.offset, main_~res~0.base, main_~res~0.offset;main_~length~1 := main_#t~nondet8;havoc main_#t~nondet8; 223#L43 assume !(main_~length~1 < 1); 225#L43-2 build_nondet_String_#in~length := main_~length~1;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length := build_nondet_String_#in~length;call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 231#L12 main_#t~ret9.base, main_#t~ret9.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;main_~original~0.base, main_~original~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset;rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset := main_~original~0.base, main_~original~0.offset;havoc rec_strcopy_#res.base, rec_strcopy_#res.offset;havoc rec_strcopy_#t~ret6, rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset, rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~length~0, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset;rec_strcopy_~source.base, rec_strcopy_~source.offset := rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset; 210#L34 call rec_strcopy_#t~ret6 := rec_cstrlen(rec_strcopy_~source.base, rec_strcopy_~source.offset);< 212#rec_cstrlenENTRY ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int(~s.base, ~s.offset, 1); 214#L17 assume 0 == #t~mem2;havoc #t~mem2;#res := 0; 209#rec_cstrlenFINAL assume true; 211#rec_cstrlenEXIT >#41#return; 226#L34-1 rec_strcopy_~length~0 := rec_strcopy_#t~ret6;havoc rec_strcopy_#t~ret6;call rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset := #Ultimate.allocOnHeap(1 + rec_strcopy_~length~0);rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset := rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset; 206#L36 call rec_strcopy_helper(rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset);< 207#rec_strcopy_helperENTRY [2019-11-25 08:49:32,130 INFO L796 eck$LassoCheckResult]: Loop: 207#rec_strcopy_helperENTRY ~source.base, ~source.offset := #in~source.base, #in~source.offset;~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset;call #t~mem4 := read~int(~source.base, ~source.offset, 1);call write~int(#t~mem4, ~dest.base, ~dest.offset, 1);havoc #t~mem4;call #t~mem5 := read~int(~source.base, ~source.offset, 1); 208#L28 assume 0 != #t~mem5;havoc #t~mem5; 205#L29 call rec_strcopy_helper(~source.base, 1 + ~source.offset, ~dest.base, 1 + ~dest.offset);< 207#rec_strcopy_helperENTRY [2019-11-25 08:49:32,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:32,130 INFO L82 PathProgramCache]: Analyzing trace with hash -509542028, now seen corresponding path program 1 times [2019-11-25 08:49:32,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:32,131 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644521604] [2019-11-25 08:49:32,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,200 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:32,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:32,208 INFO L82 PathProgramCache]: Analyzing trace with hash 29922, now seen corresponding path program 1 times [2019-11-25 08:49:32,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:32,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20985427] [2019-11-25 08:49:32,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,239 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:32,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:32,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1352131953, now seen corresponding path program 1 times [2019-11-25 08:49:32,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:32,242 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720135419] [2019-11-25 08:49:32,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:32,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:32,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720135419] [2019-11-25 08:49:32,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:32,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-25 08:49:32,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129925738] [2019-11-25 08:49:32,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:32,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 08:49:32,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:49:32,627 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. cyclomatic complexity: 6 Second operand 10 states. [2019-11-25 08:49:32,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:32,796 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2019-11-25 08:49:32,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 08:49:32,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2019-11-25 08:49:32,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:32,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 21 states and 23 transitions. [2019-11-25 08:49:32,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-25 08:49:32,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-25 08:49:32,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 23 transitions. [2019-11-25 08:49:32,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:49:32,801 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-11-25 08:49:32,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 23 transitions. [2019-11-25 08:49:32,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-25 08:49:32,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-25 08:49:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-11-25 08:49:32,804 INFO L711 BuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-11-25 08:49:32,804 INFO L591 BuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-11-25 08:49:32,804 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:49:32,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2019-11-25 08:49:32,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:32,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:32,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:32,811 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:32,812 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:49:32,812 INFO L794 eck$LassoCheckResult]: Stem: 316#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 314#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length~1, main_~original~0.base, main_~original~0.offset, main_~res~0.base, main_~res~0.offset;main_~length~1 := main_#t~nondet8;havoc main_#t~nondet8; 315#L43 assume !(main_~length~1 < 1); 312#L43-2 build_nondet_String_#in~length := main_~length~1;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length := build_nondet_String_#in~length;call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 313#L12 main_#t~ret9.base, main_#t~ret9.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;main_~original~0.base, main_~original~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset;rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset := main_~original~0.base, main_~original~0.offset;havoc rec_strcopy_#res.base, rec_strcopy_#res.offset;havoc rec_strcopy_#t~ret6, rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset, rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~length~0, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset;rec_strcopy_~source.base, rec_strcopy_~source.offset := rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset; 306#L34 call rec_strcopy_#t~ret6 := rec_cstrlen(rec_strcopy_~source.base, rec_strcopy_~source.offset);< 305#rec_cstrlenENTRY ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int(~s.base, ~s.offset, 1); 307#L17 assume !(0 == #t~mem2);havoc #t~mem2; 303#L20 call #t~ret3 := rec_cstrlen(~s.base, 1 + ~s.offset);< 308#rec_cstrlenENTRY ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int(~s.base, ~s.offset, 1); 309#L17 assume 0 == #t~mem2;havoc #t~mem2;#res := 0; 302#rec_cstrlenFINAL assume true; 304#rec_cstrlenEXIT >#45#return; 310#L20-1 #res := 1 + #t~ret3;havoc #t~ret3; 311#rec_cstrlenFINAL assume true; 318#rec_cstrlenEXIT >#41#return; 317#L34-1 rec_strcopy_~length~0 := rec_strcopy_#t~ret6;havoc rec_strcopy_#t~ret6;call rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset := #Ultimate.allocOnHeap(1 + rec_strcopy_~length~0);rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset := rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset; 299#L36 call rec_strcopy_helper(rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset);< 300#rec_strcopy_helperENTRY [2019-11-25 08:49:32,812 INFO L796 eck$LassoCheckResult]: Loop: 300#rec_strcopy_helperENTRY ~source.base, ~source.offset := #in~source.base, #in~source.offset;~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset;call #t~mem4 := read~int(~source.base, ~source.offset, 1);call write~int(#t~mem4, ~dest.base, ~dest.offset, 1);havoc #t~mem4;call #t~mem5 := read~int(~source.base, ~source.offset, 1); 301#L28 assume 0 != #t~mem5;havoc #t~mem5; 298#L29 call rec_strcopy_helper(~source.base, 1 + ~source.offset, ~dest.base, 1 + ~dest.offset);< 300#rec_strcopy_helperENTRY [2019-11-25 08:49:32,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:32,813 INFO L82 PathProgramCache]: Analyzing trace with hash -462834206, now seen corresponding path program 1 times [2019-11-25 08:49:32,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:32,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029520029] [2019-11-25 08:49:32,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,870 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:32,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:32,872 INFO L82 PathProgramCache]: Analyzing trace with hash 29922, now seen corresponding path program 2 times [2019-11-25 08:49:32,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:32,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232667861] [2019-11-25 08:49:32,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,888 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:32,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:32,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1448810655, now seen corresponding path program 1 times [2019-11-25 08:49:32,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:32,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701224431] [2019-11-25 08:49:32,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,956 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:33,843 WARN L192 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2019-11-25 08:49:33,990 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-25 08:49:34,127 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-25 08:49:34,190 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:34,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:34,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:34,190 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:34,191 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:49:34,191 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,191 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:34,191 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:34,191 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strcopy_malloc2.i_Iteration4_Lasso [2019-11-25 08:49:34,191 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:34,191 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:34,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:34,836 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:34,836 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:34,854 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 [2019-11-25 08:49:34,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,859 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,867 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 [2019-11-25 08:49:34,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:34,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,892 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 [2019-11-25 08:49:34,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:34,896 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,902 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 [2019-11-25 08:49:34,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:34,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,914 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 [2019-11-25 08:49:34,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:34,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:34,925 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 [2019-11-25 08:49:34,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:34,941 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 [2019-11-25 08:49:34,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,946 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:34,951 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 [2019-11-25 08:49:34,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:34,961 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 [2019-11-25 08:49:34,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,973 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 [2019-11-25 08:49:34,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:34,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:34,981 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 [2019-11-25 08:49:34,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:34,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:34,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:34,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:34,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:34,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:34,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:34,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,002 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 [2019-11-25 08:49:35,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,012 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 [2019-11-25 08:49:35,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,018 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,024 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 [2019-11-25 08:49:35,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:35,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,041 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 [2019-11-25 08:49:35,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,056 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 [2019-11-25 08:49:35,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,069 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 [2019-11-25 08:49:35,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,080 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 [2019-11-25 08:49:35,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:35,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,088 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 [2019-11-25 08:49:35,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:35,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,106 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 [2019-11-25 08:49:35,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:35,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,117 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 [2019-11-25 08:49:35,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:49:35,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,139 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 [2019-11-25 08:49:35,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:35,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,149 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 [2019-11-25 08:49:35,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:35,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,162 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 [2019-11-25 08:49:35,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,163 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-25 08:49:35,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,168 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:49:35,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:49:35,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,189 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 [2019-11-25 08:49:35,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:35,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:35,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,199 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 [2019-11-25 08:49:35,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,201 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:49:35,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,207 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-25 08:49:35,208 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,227 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 [2019-11-25 08:49:35,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:35,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:35,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:35,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:35,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:49:35,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,248 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:35,285 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-25 08:49:35,285 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3af19e5b-0cd3-4d06-a4f8-7d95c7736fbf/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:49:35,294 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:35,297 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:49:35,297 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:35,297 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length rec_strcopy_helper_#in~dest.base)_1, rec_strcopy_helper_#in~dest.offset) = 1*v_rep(select #length rec_strcopy_helper_#in~dest.base)_1 - 1*rec_strcopy_helper_#in~dest.offset Supporting invariants [] [2019-11-25 08:49:35,312 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-25 08:49:35,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:49:35,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:35,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:49:35,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:35,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:49:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:35,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:49:35,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:35,420 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 [2019-11-25 08:49:35,420 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-11-25 08:49:35,479 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 33 states and 36 transitions. Complement of second has 9 states. [2019-11-25 08:49:35,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:49:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-11-25 08:49:35,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 3 letters. [2019-11-25 08:49:35,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:35,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 21 letters. Loop has 3 letters. [2019-11-25 08:49:35,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:35,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-25 08:49:35,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:35,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 36 transitions. [2019-11-25 08:49:35,484 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:35,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-11-25 08:49:35,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:49:35,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:49:35,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:49:35,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:35,485 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:35,485 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:35,485 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:35,485 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:49:35,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:49:35,485 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:35,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:49:35,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:49:35 BoogieIcfgContainer [2019-11-25 08:49:35,502 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:49:35,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:35,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:35,503 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:35,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:29" (3/4) ... [2019-11-25 08:49:35,507 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:49:35,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:35,508 INFO L168 Benchmark]: Toolchain (without parser) took 6923.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:35,509 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-11-25 08:49:35,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:35,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.22 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. [2019-11-25 08:49:35,515 INFO L168 Benchmark]: Boogie Preprocessor took 23.82 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:35,515 INFO L168 Benchmark]: RCFGBuilder took 381.77 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:35,516 INFO L168 Benchmark]: BuchiAutomizer took 6158.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:35,516 INFO L168 Benchmark]: Witness Printer took 5.23 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. [2019-11-25 08:49:35,518 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 309.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.22 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 23.82 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 381.77 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6158.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.23 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 - 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[dest] + -1 * dest and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 31 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 76 SDtfs, 43 SDslu, 221 SDs, 0 SdLazy, 141 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital152 mio100 ax100 hnf100 lsp95 ukn59 mio100 lsp47 div100 bol100 ite100 ukn100 eq181 hnf79 smp100 dnf109 smp91 tf100 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...