./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 65da722a2ea59f5974c3b0082ca57aa0ffbedb9a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:31:59,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:31:59,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:31:59,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:31:59,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:31:59,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:31:59,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:31:59,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:31:59,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:31:59,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:31:59,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:31:59,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:31:59,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:31:59,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:31:59,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:31:59,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:31:59,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:31:59,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:31:59,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:31:59,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:31:59,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:31:59,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:31:59,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:31:59,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:31:59,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:31:59,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:31:59,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:31:59,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:31:59,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:31:59,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:31:59,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:31:59,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:31:59,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:31:59,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:31:59,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:31:59,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:31:59,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:31:59,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:31:59,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:31:59,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:31:59,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:31:59,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 14:31:59,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:31:59,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:31:59,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:31:59,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:31:59,888 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:31:59,889 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 14:31:59,889 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 14:31:59,889 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 14:31:59,889 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 14:31:59,889 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 14:31:59,889 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 14:31:59,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:31:59,890 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:31:59,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:31:59,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:31:59,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 14:31:59,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 14:31:59,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 14:31:59,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:31:59,890 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 14:31:59,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:31:59,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 14:31:59,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:31:59,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:31:59,891 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 14:31:59,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:31:59,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:31:59,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:31:59,891 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 14:31:59,892 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 14:31:59,892 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_f3b54981-44a7-478b-adea-54eae3a77ade/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 -> 65da722a2ea59f5974c3b0082ca57aa0ffbedb9a [2019-12-07 14:31:59,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:31:59,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:32:00,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:32:00,003 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:32:00,004 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:32:00,004 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i [2019-12-07 14:32:00,045 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/data/8ca71ad23/fb007dd65e6143938588df869511e44e/FLAG04e652c8e [2019-12-07 14:32:00,512 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:32:00,512 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i [2019-12-07 14:32:00,521 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/data/8ca71ad23/fb007dd65e6143938588df869511e44e/FLAG04e652c8e [2019-12-07 14:32:00,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/data/8ca71ad23/fb007dd65e6143938588df869511e44e [2019-12-07 14:32:00,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:32:00,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:32:00,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:32:00,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:32:00,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:32:00,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37cc24a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00, skipping insertion in model container [2019-12-07 14:32:00,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:32:00,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:32:00,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:32:00,815 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:32:00,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:32:00,872 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:32:00,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00 WrapperNode [2019-12-07 14:32:00,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:32:00,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:32:00,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:32:00,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:32:00,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:32:00,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:32:00,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:32:00,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:32:00,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (1/1) ... [2019-12-07 14:32:00,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:32:00,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:32:00,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:32:00,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:32:00,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:32:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 14:32:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 14:32:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 14:32:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure new_lseg [2019-12-07 14:32:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure new_lseg [2019-12-07 14:32:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:32:00,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:32:01,108 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:32:01,109 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 14:32:01,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:32:01 BoogieIcfgContainer [2019-12-07 14:32:01,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:32:01,110 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 14:32:01,110 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 14:32:01,112 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 14:32:01,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:32:01,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 02:32:00" (1/3) ... [2019-12-07 14:32:01,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@633dfcb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:32:01, skipping insertion in model container [2019-12-07 14:32:01,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:32:01,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:32:00" (2/3) ... [2019-12-07 14:32:01,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@633dfcb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:32:01, skipping insertion in model container [2019-12-07 14:32:01,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:32:01,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:32:01" (3/3) ... [2019-12-07 14:32:01,115 INFO L371 chiAutomizerObserver]: Analyzing ICFG cll_by_lseg_traverse-alloca.i [2019-12-07 14:32:01,144 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 14:32:01,144 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 14:32:01,144 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 14:32:01,144 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:32:01,144 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:32:01,144 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 14:32:01,144 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:32:01,144 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 14:32:01,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-12-07 14:32:01,169 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 14:32:01,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:32:01,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:32:01,174 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 14:32:01,174 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 14:32:01,174 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 14:32:01,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-12-07 14:32:01,175 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 14:32:01,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:32:01,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:32:01,176 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 14:32:01,176 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 14:32:01,181 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 12#L572true assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 18#L559true call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 14#new_lsegENTRYtrue [2019-12-07 14:32:01,181 INFO L796 eck$LassoCheckResult]: Loop: 14#new_lsegENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 10#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~x~0.base, ~x~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~x~0.base, ~x~0.offset, 4); 15#L552true call #t~ret3.base, #t~ret3.offset := new_lseg(~p.base, ~p.offset, ~n - 1);< 14#new_lsegENTRYtrue [2019-12-07 14:32:01,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:32:01,185 INFO L82 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2019-12-07 14:32:01,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:32:01,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297504408] [2019-12-07 14:32:01,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:32:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:01,286 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:32:01,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:32:01,287 INFO L82 PathProgramCache]: Analyzing trace with hash 57729, now seen corresponding path program 1 times [2019-12-07 14:32:01,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:32:01,287 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402928339] [2019-12-07 14:32:01,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:32:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:01,310 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:32:01,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:32:01,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1807633698, now seen corresponding path program 1 times [2019-12-07 14:32:01,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:32:01,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38410728] [2019-12-07 14:32:01,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:32:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:01,354 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:32:01,511 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-12-07 14:32:01,845 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-12-07 14:32:02,059 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:32:02,060 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:32:02,060 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:32:02,060 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:32:02,060 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:32:02,060 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:32:02,060 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:32:02,060 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:32:02,060 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_by_lseg_traverse-alloca.i_Iteration1_Lasso [2019-12-07 14:32:02,061 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:32:02,061 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:32:02,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:32:02,472 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:32:02,475 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,479 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 [2019-12-07 14:32:02,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:32:02,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:32:02,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:32:02,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:32:02,489 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 [2019-12-07 14:32:02,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:32:02,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:32:02,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:32:02,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,496 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 [2019-12-07 14:32:02,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:32:02,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:32:02,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:32:02,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:32:02,503 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 [2019-12-07 14:32:02,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:32:02,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:32:02,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:32:02,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,511 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 [2019-12-07 14:32:02,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:32:02,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:32:02,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:32:02,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,518 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 [2019-12-07 14:32:02,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:32:02,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:32:02,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:32:02,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,525 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 [2019-12-07 14:32:02,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:32:02,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:32:02,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:32:02,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,535 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 [2019-12-07 14:32:02,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:32:02,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:32:02,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:32:02,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,545 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 [2019-12-07 14:32:02,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:32:02,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:32:02,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:32:02,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,553 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 [2019-12-07 14:32:02,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:32:02,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:32:02,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,566 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 [2019-12-07 14:32:02,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:32:02,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:32:02,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,579 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 [2019-12-07 14:32:02,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:32:02,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:32:02,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:32:02,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:32:02,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,592 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 14:32:02,592 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 14:32:02,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,598 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-12-07 14:32:02,598 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 14:32:02,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,619 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 [2019-12-07 14:32:02,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:32:02,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:32:02,620 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 14:32:02,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:32:02,629 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 14:32:02,630 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 14:32:02,647 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:32:02,669 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-12-07 14:32:02,669 INFO L444 ModelExtractionUtils]: 12 out of 21 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/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 [2019-12-07 14:32:02,673 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:32:02,678 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-12-07 14:32:02,679 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:32:02,679 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_lseg_#in~n) = 1*new_lseg_#in~n Supporting invariants [1*new_lseg_#in~n >= 0] [2019-12-07 14:32:02,689 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2019-12-07 14:32:02,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:32:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:32:02,734 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 14:32:02,735 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:32:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:32:02,767 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 14:32:02,768 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:32:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:32:02,801 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 14:32:02,802 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2019-12-07 14:32:02,899 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 35 states and 41 transitions. Complement of second has 13 states. [2019-12-07 14:32:02,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 14:32:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 14:32:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-12-07 14:32:02,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2019-12-07 14:32:02,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:32:02,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2019-12-07 14:32:02,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:32:02,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2019-12-07 14:32:02,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:32:02,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2019-12-07 14:32:02,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 14:32:02,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 22 states and 27 transitions. [2019-12-07 14:32:02,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-12-07 14:32:02,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-12-07 14:32:02,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2019-12-07 14:32:02,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:32:02,914 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2019-12-07 14:32:02,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2019-12-07 14:32:02,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2019-12-07 14:32:02,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 14:32:02,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-12-07 14:32:02,936 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-12-07 14:32:02,936 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-12-07 14:32:02,936 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 14:32:02,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2019-12-07 14:32:02,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 14:32:02,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:32:02,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:32:02,937 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:32:02,937 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 14:32:02,937 INFO L794 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 130#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 131#L572 assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 136#L559 call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 137#new_lsegENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 138#L548 assume 0 == ~n;#res.base, #res.offset := ~p.base, ~p.offset; 143#new_lsegFINAL assume true; 141#new_lsegEXIT >#37#return; 127#L559-1 call write~$Pointer$(new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~x~1.base, 4 + new_cll_~x~1.offset, 8);havoc new_cll_#t~ret5.base, new_cll_#t~ret5.offset;new_cll_#res.base, new_cll_#res.offset := new_cll_~x~1.base, new_cll_~x~1.offset; 128#L560 main_#t~ret8.base, main_#t~ret8.offset := new_cll_#res.base, new_cll_#res.offset;main_~x~2.base, main_~x~2.offset := main_#t~ret8.base, main_#t~ret8.offset;havoc main_#t~ret8.base, main_#t~ret8.offset;traverse_#in~head.base, traverse_#in~head.offset := main_~x~2.base, main_~x~2.offset;havoc traverse_#t~mem6.base, traverse_#t~mem6.offset, traverse_~head.base, traverse_~head.offset, traverse_~curr~0.base, traverse_~curr~0.offset;traverse_~head.base, traverse_~head.offset := traverse_#in~head.base, traverse_#in~head.offset;traverse_~curr~0.base, traverse_~curr~0.offset := traverse_~head.base, traverse_~head.offset; 133#L565-2 [2019-12-07 14:32:02,938 INFO L796 eck$LassoCheckResult]: Loop: 133#L565-2 assume !!(traverse_~curr~0.base != 0 || traverse_~curr~0.offset != 0);call traverse_#t~mem6.base, traverse_#t~mem6.offset := read~$Pointer$(traverse_~curr~0.base, 4 + traverse_~curr~0.offset, 8);traverse_~curr~0.base, traverse_~curr~0.offset := traverse_#t~mem6.base, traverse_#t~mem6.offset;havoc traverse_#t~mem6.base, traverse_#t~mem6.offset; 133#L565-2 [2019-12-07 14:32:02,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:32:02,938 INFO L82 PathProgramCache]: Analyzing trace with hash 914562823, now seen corresponding path program 1 times [2019-12-07 14:32:02,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:32:02,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684232373] [2019-12-07 14:32:02,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:32:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:02,969 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:32:02,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:32:02,970 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2019-12-07 14:32:02,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:32:02,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634548085] [2019-12-07 14:32:02,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:32:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:02,978 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:32:02,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:32:02,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1713323539, now seen corresponding path program 1 times [2019-12-07 14:32:02,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:32:02,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448208259] [2019-12-07 14:32:02,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:32:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:32:03,011 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:32:03,548 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 144 [2019-12-07 14:32:03,573 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 14:32:03,644 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:32:03,648 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 14:32:03,707 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:32:03,708 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 14:32:03,708 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:142 [2019-12-07 14:32:03,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 02:32:03 BoogieIcfgContainer [2019-12-07 14:32:03,790 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 14:32:03,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:32:03,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:32:03,791 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:32:03,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:32:01" (3/4) ... [2019-12-07 14:32:03,794 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 14:32:03,828 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f3b54981-44a7-478b-adea-54eae3a77ade/bin/uautomizer/witness.graphml [2019-12-07 14:32:03,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:32:03,829 INFO L168 Benchmark]: Toolchain (without parser) took 3293.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -125.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:32:03,829 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:32:03,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:32:03,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:32:03,831 INFO L168 Benchmark]: Boogie Preprocessor took 17.59 ms. Allocated memory is still 1.1 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. [2019-12-07 14:32:03,831 INFO L168 Benchmark]: RCFGBuilder took 191.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:32:03,832 INFO L168 Benchmark]: BuchiAutomizer took 2680.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -27.6 MB). Peak memory consumption was 227.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:32:03,832 INFO L168 Benchmark]: Witness Printer took 36.93 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:32:03,835 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.59 ms. Allocated memory is still 1.1 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 191.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2680.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -27.6 MB). Peak memory consumption was 227.4 MB. Max. memory is 11.5 GB. * Witness Printer took 36.93 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(n) and consists of 5 locations. The remainder module has 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 11 SDslu, 7 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital204 mio100 ax100 hnf100 lsp94 ukn46 mio100 lsp30 div100 bol100 ite100 ukn100 eq196 hnf92 smp100 dnf136 smp100 tf100 neg97 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 565]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2a19f646=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a572684=0, curr=-1, \result=0, x=0, NULL=1, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@248ab50c=0, x=-1, \old(n)=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@471dc0b4=0, x=-1, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2a19f646=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44c640db=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@471dc0b4=-1, n=1, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44c640db=0, NULL=0, n=1, \result=-1, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a572684=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 565]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L571] int n = __VERIFIER_nondet_int(); [L572] COND FALSE !(n < 1) [L557] node_t* x = malloc(sizeof(node_t)); [L558] x->val = n [L559] CALL, EXPR new_lseg(x,n-1) [L548] COND TRUE n==0 [L549] return p; [L559] RET, EXPR new_lseg(x,n-1) [L559] x->next = new_lseg(x,n-1) [L560] return x; [L575] node_t* x = new_cll(n); [L564] node_t* curr = head; Loop: [L565] COND TRUE curr != ((void *)0) [L566] EXPR curr->next [L566] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...