./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-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_55d18722-c1fe-4836-9907-85403a8acc46/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 f3e436297570ad94e9fb239489c229c89d1aea0e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:56:14,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:56:14,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:56:14,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:56:14,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:56:14,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:56:14,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:56:14,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:56:14,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:56:14,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:56:14,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:56:14,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:56:14,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:56:14,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:56:14,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:56:14,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:56:14,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:56:14,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:56:14,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:56:14,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:56:14,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:56:14,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:56:14,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:56:14,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:56:14,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:56:14,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:56:14,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:56:14,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:56:14,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:56:14,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:56:14,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:56:14,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:56:14,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:56:14,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:56:14,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:56:14,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:56:14,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:56:14,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:56:14,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:56:14,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:56:14,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:56:14,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:56:14,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:56:14,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:56:14,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:56:14,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:56:14,867 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:56:14,868 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:56:14,868 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:56:14,868 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:56:14,868 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:56:14,868 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:56:14,868 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:56:14,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:56:14,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:56:14,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:56:14,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:56:14,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:56:14,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:56:14,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:56:14,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:56:14,870 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:56:14,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:56:14,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:56:14,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:56:14,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:56:14,871 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:56:14,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:56:14,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:56:14,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:56:14,872 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:56:14,872 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:56:14,873 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_55d18722-c1fe-4836-9907-85403a8acc46/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 -> f3e436297570ad94e9fb239489c229c89d1aea0e [2019-12-07 17:56:14,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:56:14,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:56:14,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:56:14,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:56:14,988 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:56:14,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i [2019-12-07 17:56:15,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/bin/uautomizer/data/686717278/7d803ee61bb1410ea567319b67b4e365/FLAGf01537ad5 [2019-12-07 17:56:15,417 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:56:15,417 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i [2019-12-07 17:56:15,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/bin/uautomizer/data/686717278/7d803ee61bb1410ea567319b67b4e365/FLAGf01537ad5 [2019-12-07 17:56:15,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/bin/uautomizer/data/686717278/7d803ee61bb1410ea567319b67b4e365 [2019-12-07 17:56:15,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:56:15,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:56:15,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:56:15,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:56:15,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:56:15,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94b310b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15, skipping insertion in model container [2019-12-07 17:56:15,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:56:15,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:56:15,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:56:15,675 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:56:15,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:56:15,730 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:56:15,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15 WrapperNode [2019-12-07 17:56:15,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:56:15,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:56:15,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:56:15,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:56:15,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:56:15,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:56:15,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:56:15,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:56:15,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (1/1) ... [2019-12-07 17:56:15,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:56:15,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:56:15,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:56:15,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:56:15,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:56:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:56:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:56:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:56:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:56:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:56:15,952 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:56:15,952 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:56:15,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:56:15 BoogieIcfgContainer [2019-12-07 17:56:15,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:56:15,953 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:56:15,953 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:56:15,955 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:56:15,956 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:56:15,956 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:56:15" (1/3) ... [2019-12-07 17:56:15,957 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f30557f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:56:15, skipping insertion in model container [2019-12-07 17:56:15,957 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:56:15,957 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:56:15" (2/3) ... [2019-12-07 17:56:15,957 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f30557f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:56:15, skipping insertion in model container [2019-12-07 17:56:15,957 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:56:15,957 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:56:15" (3/3) ... [2019-12-07 17:56:15,958 INFO L371 chiAutomizerObserver]: Analyzing ICFG java_LogBuiltIn-alloca.i [2019-12-07 17:56:15,986 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:56:15,987 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:56:15,987 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:56:15,987 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:56:15,987 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:56:15,987 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:56:15,987 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:56:15,987 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:56:15,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 17:56:16,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:56:16,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:56:16,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:56:16,013 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:56:16,013 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:56:16,013 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:56:16,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 17:56:16,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:56:16,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:56:16,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:56:16,015 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:56:16,015 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:56:16,019 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~ret10;mlog_#in~x := main_#t~nondet9;havoc mlog_#res;havoc mlog_#t~malloc2.base, mlog_#t~malloc2.offset, mlog_#t~malloc3.base, mlog_#t~malloc3.offset, mlog_#t~mem5, mlog_#t~mem6, mlog_#t~post7, mlog_#t~mem4, mlog_#t~mem8, mlog_~x, mlog_~x_ref~0.base, mlog_~x_ref~0.offset, mlog_~res~0.base, mlog_~res~0.offset;mlog_~x := mlog_#in~x;call mlog_#t~malloc2.base, mlog_#t~malloc2.offset := #Ultimate.allocOnStack(4);mlog_~x_ref~0.base, mlog_~x_ref~0.offset := mlog_#t~malloc2.base, mlog_#t~malloc2.offset;call mlog_#t~malloc3.base, mlog_#t~malloc3.offset := #Ultimate.allocOnStack(4);mlog_~res~0.base, mlog_~res~0.offset := mlog_#t~malloc3.base, mlog_#t~malloc3.offset;call write~int(mlog_~x, mlog_~x_ref~0.base, mlog_~x_ref~0.offset, 4);call write~int(0, mlog_~res~0.base, mlog_~res~0.offset, 4); 8#L553-3true [2019-12-07 17:56:16,020 INFO L796 eck$LassoCheckResult]: Loop: 8#L553-3true call mlog_#t~mem4 := read~int(mlog_~x_ref~0.base, mlog_~x_ref~0.offset, 4); 5#L553-1true assume !!(mlog_#t~mem4 > 1);havoc mlog_#t~mem4;call mlog_#t~mem5 := read~int(mlog_~x_ref~0.base, mlog_~x_ref~0.offset, 4);call write~int((if mlog_#t~mem5 < 0 && 0 != mlog_#t~mem5 % 2 then 1 + mlog_#t~mem5 / 2 else mlog_#t~mem5 / 2), mlog_~x_ref~0.base, mlog_~x_ref~0.offset, 4);havoc mlog_#t~mem5;call mlog_#t~mem6 := read~int(mlog_~res~0.base, mlog_~res~0.offset, 4);mlog_#t~post7 := mlog_#t~mem6;call write~int(1 + mlog_#t~post7, mlog_~res~0.base, mlog_~res~0.offset, 4);havoc mlog_#t~post7;havoc mlog_#t~mem6; 8#L553-3true [2019-12-07 17:56:16,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:56:16,024 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 17:56:16,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:56:16,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91441439] [2019-12-07 17:56:16,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:56:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:56:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:56:16,126 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:56:16,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:56:16,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-12-07 17:56:16,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:56:16,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096196765] [2019-12-07 17:56:16,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:56:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:56:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:56:16,152 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:56:16,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:56:16,154 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-12-07 17:56:16,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:56:16,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394656587] [2019-12-07 17:56:16,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:56:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:56:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:56:16,196 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:56:16,417 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2019-12-07 17:56:16,472 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:56:16,472 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:56:16,472 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:56:16,472 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:56:16,472 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:56:16,473 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:56:16,473 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:56:16,473 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:56:16,473 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn-alloca.i_Iteration1_Lasso [2019-12-07 17:56:16,473 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:56:16,473 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:56:16,489 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 17:56:16,494 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 17:56:16,496 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 17:56:16,497 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 17:56:16,499 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 17:56:16,500 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 17:56:16,503 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 17:56:16,505 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 17:56:16,507 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 17:56:16,509 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 17:56:16,511 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 17:56:16,513 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 17:56:16,515 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 17:56:16,517 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 17:56:16,950 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:56:16,953 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:16,958 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 17:56:16,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:16,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:56:16,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:16,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:16,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:16,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:56:16,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:56:16,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:16,968 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 17:56:16,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:16,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:56:16,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:16,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:16,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:16,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:56:16,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:56:16,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:16,975 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 17:56:16,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:16,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:56:16,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:16,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:16,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:16,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:56:16,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:56:16,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:16,982 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 17:56:16,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:16,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:56:16,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:16,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:16,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:16,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:56:16,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:56:16,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:16,989 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 17:56:16,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:16,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:56:16,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:16,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:16,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:16,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:56:16,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:56:16,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:16,996 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 17:56:16,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:16,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:16,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:16,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,006 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 17:56:17,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,016 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 17:56:17,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:56:17,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:56:17,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:56:17,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,027 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 17:56:17,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,043 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 17:56:17,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,054 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 17:56:17,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:56:17,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:56:17,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:56:17,058 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,061 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 17:56:17,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,070 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 17:56:17,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:56:17,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:56:17,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:56:17,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,077 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 17:56:17,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,099 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 17:56:17,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,108 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,112 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 17:56:17,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,126 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 17:56:17,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,134 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 17:56:17,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,145 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 17:56:17,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,160 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 17:56:17,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:56:17,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:56:17,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:56:17,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:56:17,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:56:17,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:56:17,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:56:17,179 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 17:56:17,179 INFO L444 ModelExtractionUtils]: 11 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_55d18722-c1fe-4836-9907-85403a8acc46/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 17:56:17,183 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:56:17,186 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:56:17,186 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:56:17,187 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_mlog_~x_ref~0.base) ULTIMATE.start_mlog_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_mlog_~x_ref~0.base) ULTIMATE.start_mlog_~x_ref~0.offset)_1 Supporting invariants [] [2019-12-07 17:56:17,218 INFO L297 tatePredicateManager]: 8 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 17:56:17,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:56:17,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:56:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:56:17,262 INFO L264 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:56:17,263 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:56:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:56:17,274 INFO L264 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 17:56:17,275 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:56:17,294 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 17:56:17,305 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 17:56:17,306 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-12-07 17:56:17,358 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 17 states and 19 transitions. Complement of second has 8 states. [2019-12-07 17:56:17,359 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 17:56:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:56:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-12-07 17:56:17,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2019-12-07 17:56:17,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:56:17,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 17:56:17,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:56:17,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2019-12-07 17:56:17,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:56:17,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2019-12-07 17:56:17,364 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:56:17,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-12-07 17:56:17,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:56:17,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:56:17,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:56:17,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:56:17,367 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:56:17,367 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:56:17,367 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:56:17,368 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:56:17,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:56:17,368 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:56:17,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:56:17,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:56:17 BoogieIcfgContainer [2019-12-07 17:56:17,372 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:56:17,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:56:17,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:56:17,373 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:56:17,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:56:15" (3/4) ... [2019-12-07 17:56:17,375 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:56:17,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:56:17,376 INFO L168 Benchmark]: Toolchain (without parser) took 1939.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.9 MB in the beginning and 1.0 GB in the end (delta: -76.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:56:17,377 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:56:17,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:56:17,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.69 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 17:56:17,378 INFO L168 Benchmark]: Boogie Preprocessor took 15.67 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 17:56:17,378 INFO L168 Benchmark]: RCFGBuilder took 177.90 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:56:17,379 INFO L168 Benchmark]: BuchiAutomizer took 1418.86 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: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:56:17,379 INFO L168 Benchmark]: Witness Printer took 3.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:56:17,381 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 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.69 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 15.67 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. * RCFGBuilder took 177.90 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1418.86 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: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax108 hnf100 lsp89 ukn61 mio100 lsp42 div101 bol100 ite100 ukn100 eq172 hnf89 smp92 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...