./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.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_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 34137da927ca86d2fb49adf8270ebc903b8c1dbe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:09:13,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:09:13,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:09:13,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:09:13,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:09:13,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:09:13,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:09:13,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:09:13,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:09:13,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:09:13,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:09:13,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:09:13,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:09:13,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:09:13,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:09:13,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:09:13,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:09:13,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:09:13,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:09:13,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:09:13,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:09:13,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:09:13,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:09:13,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:09:13,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:09:13,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:09:13,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:09:13,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:09:13,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:09:13,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:09:13,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:09:13,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:09:13,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:09:13,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:09:13,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:09:13,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:09:13,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:09:13,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:09:13,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:09:13,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:09:13,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:09:13,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 10:09:13,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:09:13,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:09:13,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:09:13,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:09:13,762 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:09:13,763 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:09:13,763 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:09:13,763 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:09:13,763 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:09:13,763 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:09:13,763 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:09:13,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:09:13,763 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:09:13,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:09:13,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:09:13,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:09:13,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:09:13,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:09:13,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:09:13,764 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:09:13,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:09:13,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:09:13,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:09:13,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:09:13,765 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:09:13,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:09:13,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:09:13,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:09:13,765 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:09:13,766 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:09:13,766 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_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 -> 34137da927ca86d2fb49adf8270ebc903b8c1dbe [2019-12-07 10:09:13,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:09:13,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:09:13,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:09:13,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:09:13,881 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:09:13,881 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2019-12-07 10:09:13,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/data/2fbb45b09/47ce65a65ba240a19af6ea80249f3d1f/FLAG5223c6339 [2019-12-07 10:09:14,387 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:09:14,387 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2019-12-07 10:09:14,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/data/2fbb45b09/47ce65a65ba240a19af6ea80249f3d1f/FLAG5223c6339 [2019-12-07 10:09:14,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/data/2fbb45b09/47ce65a65ba240a19af6ea80249f3d1f [2019-12-07 10:09:14,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:09:14,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:09:14,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:09:14,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:09:14,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:09:14,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227d51b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14, skipping insertion in model container [2019-12-07 10:09:14,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:09:14,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:09:14,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:09:14,650 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:09:14,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:09:14,706 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:09:14,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14 WrapperNode [2019-12-07 10:09:14,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:09:14,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:09:14,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:09:14,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:09:14,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:09:14,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:09:14,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:09:14,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:09:14,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (1/1) ... [2019-12-07 10:09:14,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:09:14,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:09:14,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:09:14,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:09:14,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:09:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:09:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 10:09:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 10:09:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 10:09:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:09:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:09:14,948 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:09:14,948 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 10:09:14,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:09:14 BoogieIcfgContainer [2019-12-07 10:09:14,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:09:14,950 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:09:14,950 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:09:14,953 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:09:14,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:09:14,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:09:14" (1/3) ... [2019-12-07 10:09:14,955 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35bab890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:09:14, skipping insertion in model container [2019-12-07 10:09:14,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:09:14,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:14" (2/3) ... [2019-12-07 10:09:14,955 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35bab890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:09:14, skipping insertion in model container [2019-12-07 10:09:14,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:09:14,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:09:14" (3/3) ... [2019-12-07 10:09:14,956 INFO L371 chiAutomizerObserver]: Analyzing ICFG cll_search-alloca-2.i [2019-12-07 10:09:14,985 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:09:14,985 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:09:14,985 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:09:14,985 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:09:14,985 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:09:14,985 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:09:14,985 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:09:14,985 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:09:14,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 10:09:15,007 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 10:09:15,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:15,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:15,011 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 10:09:15,011 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 10:09:15,011 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:09:15,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 10:09:15,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 10:09:15,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:15,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:15,012 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 10:09:15,013 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 10:09:15,017 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 13#L552-3true [2019-12-07 10:09:15,018 INFO L796 eck$LassoCheckResult]: Loop: 13#L552-3true assume !!(init_cll_~i~0 < init_cll_~n);call init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0.base, init_cll_~next_node~0.offset := init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;call write~int(init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, 4);call write~$Pointer$(init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_~next_node~0.base, init_cll_~next_node~0.offset; 11#L552-2true init_cll_#t~post3 := init_cll_~i~0;init_cll_~i~0 := 1 + init_cll_#t~post3;havoc init_cll_#t~post3; 13#L552-3true [2019-12-07 10:09:15,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:15,021 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 10:09:15,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:15,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289030530] [2019-12-07 10:09:15,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:15,120 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:15,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:15,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2019-12-07 10:09:15,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:15,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733577212] [2019-12-07 10:09:15,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:15,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:15,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:15,152 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2019-12-07 10:09:15,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:15,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754303228] [2019-12-07 10:09:15,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:15,194 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:15,387 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-12-07 10:09:15,429 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 10:09:15,515 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:09:15,521 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 10:09:15,594 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:09:15,596 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 10:09:15,596 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:156, output treesize:158 [2019-12-07 10:09:15,813 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:09:15,813 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:09:15,813 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:09:15,814 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:09:15,814 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:09:15,814 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:15,814 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:09:15,814 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:09:15,814 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_search-alloca-2.i_Iteration1_Lasso [2019-12-07 10:09:15,814 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:09:15,814 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:09:15,831 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 10:09:15,835 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 10:09:15,837 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 10:09:15,838 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 10:09:15,840 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 10:09:15,841 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 10:09:15,843 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 10:09:15,845 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 10:09:15,846 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 10:09:15,849 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 10:09:15,852 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 10:09:15,854 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 10:09:16,078 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 10:09:16,341 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:09:16,344 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,355 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 10:09:16,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,361 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,366 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 10:09:16,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,374 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 10:09:16,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,381 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 10:09:16,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,389 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 10:09:16,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,396 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 10:09:16,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:09:16,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:09:16,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,406 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 10:09:16,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,413 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 10:09:16,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,420 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 10:09:16,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:09:16,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:09:16,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,431 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 10:09:16,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,438 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 10:09:16,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:09:16,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,453 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 10:09:16,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,460 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 10:09:16,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 10:09:16,469 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 10:09:16,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:09:16,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:09:16,481 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:16,485 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 10:09:16,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 [2019-12-07 10:09:16,492 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 10:09:16,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:09:16,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:09:16,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 [2019-12-07 10:09:16,503 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 10:09:16,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:09:16,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:09:16,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:09:16,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 [2019-12-07 10:09:16,510 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 10:09:16,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:09:16,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:09:16,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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 [2019-12-07 10:09:16,521 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 10:09:16,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:09:16,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:09:16,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:09:16,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:09:16,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:09:16,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:09:16,531 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:09:16,549 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 10:09:16,549 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:09:16,553 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:09:16,556 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 10:09:16,557 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:09:16,557 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~n, ULTIMATE.start_init_cll_~i~0) = 1*ULTIMATE.start_init_cll_~n - 1*ULTIMATE.start_init_cll_~i~0 Supporting invariants [] [2019-12-07 10:09:16,570 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-12-07 10:09:16,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:16,597 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:09:16,598 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:09:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:16,610 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:09:16,610 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:09:16,618 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 10:09:16,629 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 [2019-12-07 10:09:16,630 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-12-07 10:09:16,665 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 30 states and 39 transitions. Complement of second has 7 states. [2019-12-07 10:09:16,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:09:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:09:16,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2019-12-07 10:09:16,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2019-12-07 10:09:16,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:16,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 10:09:16,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:16,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2019-12-07 10:09:16,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:09:16,669 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-12-07 10:09:16,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:09:16,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 9 states and 11 transitions. [2019-12-07 10:09:16,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-12-07 10:09:16,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-12-07 10:09:16,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2019-12-07 10:09:16,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:09:16,675 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-12-07 10:09:16,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2019-12-07 10:09:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-12-07 10:09:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 10:09:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-12-07 10:09:16,693 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-12-07 10:09:16,693 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-12-07 10:09:16,693 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:09:16,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2019-12-07 10:09:16,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:09:16,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:16,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:16,694 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 10:09:16,694 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 10:09:16,694 INFO L794 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 93#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 94#L552-3 assume !(init_cll_~i~0 < init_cll_~n); 95#L552-4 call write~$Pointer$(init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_#res.base, init_cll_#res.offset := init_cll_~head~0.base, init_cll_~head~0.offset; 96#L559 main_#t~ret8.base, main_#t~ret8.offset := init_cll_#res.base, init_cll_#res.offset;main_~head~1.base, main_~head~1.offset := main_#t~ret8.base, main_#t~ret8.offset;havoc main_#t~ret8.base, main_#t~ret8.offset;search_#in~head.base, search_#in~head.offset, search_#in~i := main_~head~1.base, main_~head~1.offset, main_#t~nondet9;havoc search_#t~mem6.base, search_#t~mem6.offset, search_#t~mem5, search_~head.base, search_~head.offset, search_~i, search_~curr~1.base, search_~curr~1.offset;search_~head.base, search_~head.offset := search_#in~head.base, search_#in~head.offset;search_~i := search_#in~i;search_~curr~1.base, search_~curr~1.offset := search_~head.base, search_~head.offset; 98#L564-3 [2019-12-07 10:09:16,694 INFO L796 eck$LassoCheckResult]: Loop: 98#L564-3 call search_#t~mem5 := read~int(search_~curr~1.base, search_~curr~1.offset, 4); 97#L564-1 assume !!(search_#t~mem5 != search_~i);havoc search_#t~mem5;call search_#t~mem6.base, search_#t~mem6.offset := read~$Pointer$(search_~curr~1.base, 4 + search_~curr~1.offset, 8);search_~curr~1.base, search_~curr~1.offset := search_#t~mem6.base, search_#t~mem6.offset;havoc search_#t~mem6.base, search_#t~mem6.offset; 98#L564-3 [2019-12-07 10:09:16,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:16,695 INFO L82 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2019-12-07 10:09:16,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:16,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446148479] [2019-12-07 10:09:16,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:16,716 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:16,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:16,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2019-12-07 10:09:16,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:16,717 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794660499] [2019-12-07 10:09:16,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:16,723 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:16,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:16,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1807951500, now seen corresponding path program 1 times [2019-12-07 10:09:16,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:16,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072437410] [2019-12-07 10:09:16,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:16,744 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:17,122 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2019-12-07 10:09:17,133 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 10:09:17,241 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-12-07 10:09:17,242 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:09:17,246 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 10:09:17,331 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:09:17,332 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 10:09:17,332 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:189, output treesize:165 [2019-12-07 10:09:17,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:09:17 BoogieIcfgContainer [2019-12-07 10:09:17,435 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:09:17,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:09:17,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:09:17,435 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:09:17,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:09:14" (3/4) ... [2019-12-07 10:09:17,437 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 10:09:17,464 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5e5a5510-52dd-4792-be1b-2f86685da5e0/bin/uautomizer/witness.graphml [2019-12-07 10:09:17,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:09:17,465 INFO L168 Benchmark]: Toolchain (without parser) took 3056.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 942.5 MB in the beginning and 853.4 MB in the end (delta: 89.1 MB). Peak memory consumption was 182.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:17,466 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:09:17,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:17,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.20 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 10:09:17,466 INFO L168 Benchmark]: Boogie Preprocessor took 17.98 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 10:09:17,467 INFO L168 Benchmark]: RCFGBuilder took 195.73 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 10:09:17,467 INFO L168 Benchmark]: BuchiAutomizer took 2484.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 855.1 MB in the end (delta: 193.8 MB). Peak memory consumption was 193.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:17,467 INFO L168 Benchmark]: Witness Printer took 29.44 ms. Allocated memory is still 1.1 GB. Free memory was 855.1 MB in the beginning and 853.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:17,469 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.20 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 17.98 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 195.73 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 2484.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 855.1 MB in the end (delta: 193.8 MB). Peak memory consumption was 193.8 MB. Max. memory is 11.5 GB. * Witness Printer took 29.44 ms. Allocated memory is still 1.1 GB. Free memory was 855.1 MB in the beginning and 853.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 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 n + -1 * i and consists of 5 locations. The remainder module has 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 10 SDslu, 16 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital263 mio100 ax100 hnf100 lsp97 ukn43 mio100 lsp27 div100 bol100 ite100 ukn100 eq177 hnf92 smp100 dnf172 smp93 tf100 neg95 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 564]: 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 {i=1, NULL=0, curr=-1, \result=0, head=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@317f523a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59f4269d=0, next_node=0, \result=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15e85409=3, next_node=0, head=-1, head=-1, \old(i)=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@317f523a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@4aa7168f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37691ecf=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@3818fd7e=0, i=3, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25bf2f07=0, head=-1, \old(n)=0, n=0, head=-1, head=0, n=0, head=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@320bf54a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25bf2f07=0, curr=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@320bf54a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37691ecf=0, curr=-1, head=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] node_t* head = init_cll(n); [L563] node_t* curr = head; Loop: [L564] EXPR curr->val [L564] COND TRUE curr->val != i [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...