./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_k.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_k.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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 32bit --witnessprinter.graph.data.programhash 0689bcaad6979e48b3cdd0eca14ed722ff5f763f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:54:32,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:32,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:32,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:32,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:32,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:32,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:32,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:32,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:32,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:32,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:32,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:32,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:32,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:32,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:32,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:32,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:32,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:32,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:32,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:32,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:32,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:32,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:32,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:32,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:32,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:32,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:32,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:32,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:32,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:32,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:32,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:32,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:32,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:32,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:32,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:32,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:32,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:32,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:32,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:32,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:32,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:54:32,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:32,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:32,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:32,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:32,887 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:32,887 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:54:32,887 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:54:32,887 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:54:32,887 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:54:32,887 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:54:32,888 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:54:32,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:32,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:32,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:54:32,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:32,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:32,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:32,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:54:32,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:54:32,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:54:32,889 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:32,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:32,890 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:54:32,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:32,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:54:32,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:32,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:32,891 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:54:32,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:32,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:32,891 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:54:32,892 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:54:32,892 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0689bcaad6979e48b3cdd0eca14ed722ff5f763f [2019-11-25 08:54:33,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:33,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:33,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:33,055 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:33,055 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:33,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/../../sv-benchmarks/c/loop-new/count_by_k.i [2019-11-25 08:54:33,118 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/data/9466cf0b7/76c2774015f14dcb8c8c08fba7065ad8/FLAGd7635443c [2019-11-25 08:54:33,517 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:33,517 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/sv-benchmarks/c/loop-new/count_by_k.i [2019-11-25 08:54:33,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/data/9466cf0b7/76c2774015f14dcb8c8c08fba7065ad8/FLAGd7635443c [2019-11-25 08:54:33,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/data/9466cf0b7/76c2774015f14dcb8c8c08fba7065ad8 [2019-11-25 08:54:33,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:33,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:33,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:33,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:33,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:33,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4947b503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33, skipping insertion in model container [2019-11-25 08:54:33,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:33,587 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:33,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:33,745 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:33,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:33,832 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:33,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33 WrapperNode [2019-11-25 08:54:33,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:33,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:33,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:33,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:33,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:33,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:33,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:33,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:33,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (1/1) ... [2019-11-25 08:54:33,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:33,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:33,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:33,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:33,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:34,116 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:34,116 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:54:34,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:34 BoogieIcfgContainer [2019-11-25 08:54:34,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:34,118 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:54:34,118 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:54:34,121 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:54:34,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:34,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:54:33" (1/3) ... [2019-11-25 08:54:34,125 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5686e4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:54:34, skipping insertion in model container [2019-11-25 08:54:34,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:34,125 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:33" (2/3) ... [2019-11-25 08:54:34,126 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5686e4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:54:34, skipping insertion in model container [2019-11-25 08:54:34,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:34,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:34" (3/3) ... [2019-11-25 08:54:34,128 INFO L371 chiAutomizerObserver]: Analyzing ICFG count_by_k.i [2019-11-25 08:54:34,192 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:54:34,192 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:54:34,192 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:54:34,193 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:34,193 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:34,193 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:54:34,194 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:34,194 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:54:34,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-25 08:54:34,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:54:34,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:34,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:34,239 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:54:34,240 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:34,240 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:54:34,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-25 08:54:34,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:54:34,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:34,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:34,244 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:54:34,244 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:34,252 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_~i~0, main_~k~0;havoc main_~i~0;havoc main_~k~0;main_~k~0 := main_#t~nondet1;havoc main_#t~nondet1; 12#L14true assume !!(0 <= main_~k~0 && main_~k~0 <= 10);main_~i~0 := 0; 7#L15-3true [2019-11-25 08:54:34,252 INFO L796 eck$LassoCheckResult]: Loop: 7#L15-3true assume !!(main_~i~0 < 1000000 * main_~k~0); 10#L15-2true main_~i~0 := main_~i~0 + main_~k~0; 7#L15-3true [2019-11-25 08:54:34,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:34,258 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-11-25 08:54:34,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:34,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056133579] [2019-11-25 08:54:34,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:34,378 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:34,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:34,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1411, now seen corresponding path program 1 times [2019-11-25 08:54:34,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:34,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843024939] [2019-11-25 08:54:34,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:34,398 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:34,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:34,400 INFO L82 PathProgramCache]: Analyzing trace with hash 959528, now seen corresponding path program 1 times [2019-11-25 08:54:34,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:34,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546165671] [2019-11-25 08:54:34,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:34,416 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:34,510 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:34,510 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:34,526 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:34,526 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:34,526 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:54:34,526 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:34,527 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:34,527 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:34,527 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_k.i_Iteration1_Lasso [2019-11-25 08:54:34,527 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:34,527 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:34,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:34,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:34,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:34,650 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:34,651 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:34,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:54:34,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:54:34,677 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:54:34,677 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:34,693 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:54:34,693 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:34,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:54:34,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:54:34,720 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:54:34,726 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:34,726 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:34,726 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:34,726 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:34,726 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:54:34,727 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:34,727 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:34,727 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:34,727 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_k.i_Iteration1_Lasso [2019-11-25 08:54:34,727 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:34,727 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:34,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:34,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:34,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:34,810 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:34,814 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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 [2019-11-25 08:54:34,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:34,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:34,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:34,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:34,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:34,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:34,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:34,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:34,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:34,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:34,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:34,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:34,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:34,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:34,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:34,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:34,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:34,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:34,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:34,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:34,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:34,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:34,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:34,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:34,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:34,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:54:34,906 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:34,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:34,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:34,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:34,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:34,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:34,917 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:54:34,918 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:54:34,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:34,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:34,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:34,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:34,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:34,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:34,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:34,929 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:54:34,930 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:54:34,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:34,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:34,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:34,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:34,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:34,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:34,941 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:54:34,953 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-25 08:54:34,953 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-25 08:54:34,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:54:34,966 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:34,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:34,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:34,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:34,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:34,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:34,981 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:54:34,982 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:54:34,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:34,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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) [2019-11-25 08:54:35,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:35,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,005 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:54:35,006 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:54:35,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:35,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:35,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,025 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:54:35,033 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:54:35,034 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-25 08:54:35,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:54:35,052 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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) [2019-11-25 08:54:35,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:35,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,069 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:54:35,070 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:54:35,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:35,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:35,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,090 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:54:35,091 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:54:35,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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) [2019-11-25 08:54:35,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:35,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,107 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:54:35,117 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-25 08:54:35,117 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-25 08:54:35,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:54:35,135 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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 [2019-11-25 08:54:35,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,153 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,153 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:54:35,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,154 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:54:35,155 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:54:35,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:35,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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) [2019-11-25 08:54:35,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,179 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,179 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:54:35,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,179 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:54:35,181 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:54:35,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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) [2019-11-25 08:54:35,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,205 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,205 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:54:35,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,206 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:54:35,215 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-25 08:54:35,216 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-25 08:54:35,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,231 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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) [2019-11-25 08:54:35,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,246 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,247 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:54:35,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,247 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:54:35,249 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:54:35,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/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) [2019-11-25 08:54:35,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,276 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:54:35,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:54:35,278 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:54:35,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:35,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,295 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,295 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:54:35,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,296 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:54:35,304 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:54:35,305 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:54:35,327 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,338 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:54:35,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,339 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:54:35,341 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:54:35,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,355 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 [2019-11-25 08:54:35,358 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,358 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:54:35,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,359 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:54:35,361 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:54:35,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,377 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,377 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:54:35,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,378 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:54:35,389 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-25 08:54:35,390 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:54:35,425 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,437 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,437 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:54:35,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,438 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:54:35,442 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:54:35,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,460 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:54:35,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,460 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:54:35,461 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:54:35,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,473 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,473 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:54:35,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,474 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:54:35,481 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:54:35,482 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:54:35,499 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,503 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 [2019-11-25 08:54:35,506 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,506 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:54:35,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,507 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:54:35,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:35,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,521 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,521 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:54:35,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,522 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:54:35,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:35,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,537 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:54:35,537 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:54:35,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,537 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:54:35,547 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-25 08:54:35,548 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:54:35,575 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-25 08:54:35,575 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_~i~0, main_~k~0;havoc main_~i~0;havoc main_~k~0;main_~k~0 := main_#t~nondet1;havoc main_#t~nondet1; 12#L14true assume !!(0 <= main_~k~0 && main_~k~0 <= 10);main_~i~0 := 0; 7#L15-3true assume !!(main_~i~0 < 1000000 * main_~k~0); 10#L15-2true main_~i~0 := main_~i~0 + main_~k~0; 7#L15-3true [2019-11-25 08:54:35,576 INFO L796 eck$LassoCheckResult]: Loop: 7#L15-3true assume !!(main_~i~0 < 1000000 * main_~k~0); 10#L15-2true main_~i~0 := main_~i~0 + main_~k~0; 7#L15-3true [2019-11-25 08:54:35,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:35,576 INFO L82 PathProgramCache]: Analyzing trace with hash 959528, now seen corresponding path program 2 times [2019-11-25 08:54:35,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:35,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531229528] [2019-11-25 08:54:35,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:35,587 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:35,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:35,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1411, now seen corresponding path program 2 times [2019-11-25 08:54:35,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:35,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533890009] [2019-11-25 08:54:35,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:35,595 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:35,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:35,596 INFO L82 PathProgramCache]: Analyzing trace with hash 922106858, now seen corresponding path program 3 times [2019-11-25 08:54:35,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:35,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827944130] [2019-11-25 08:54:35,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:35,611 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:35,665 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:35,665 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:35,665 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:35,665 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:35,665 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:54:35,665 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,665 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:35,666 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:35,666 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_k.i_Iteration1_Lasso [2019-11-25 08:54:35,666 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:35,666 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:35,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:35,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:35,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:35,730 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:35,730 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:54:35,735 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,739 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:54:35,739 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:54:35,758 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,771 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:54:35,774 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,783 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:54:35,783 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:54:35,795 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,814 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:54:35,816 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:35,816 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:35,816 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:35,816 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:35,817 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:54:35,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:35,817 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:35,817 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_k.i_Iteration1_Lasso [2019-11-25 08:54:35,817 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:35,817 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:35,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:35,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:35,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:35,888 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:35,888 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:35,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:35,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:35,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:35,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:35,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:35,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:35,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:35,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:35,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:35,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:35,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:35,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:35,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:35,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,939 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:54:35,960 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-25 08:54:35,960 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a02dd39-8dbd-4529-ba71-abe09c0d2ed4/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:35,965 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:54:35,974 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:54:35,974 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:54:35,974 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~k~0) = -1*ULTIMATE.start_main_~i~0 + 1000000*ULTIMATE.start_main_~k~0 Supporting invariants [1000000*ULTIMATE.start_main_~k~0 - 1 >= 0] [2019-11-25 08:54:35,980 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-25 08:54:36,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:36,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:54:36,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:36,093 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:54:36,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:36,131 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-11-25 08:54:36,133 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2019-11-25 08:54:36,257 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 41 states and 49 transitions. Complement of second has 9 states. [2019-11-25 08:54:36,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:54:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:54:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 34 transitions. [2019-11-25 08:54:36,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-25 08:54:36,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:36,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-25 08:54:36,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:36,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-25 08:54:36,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:36,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 49 transitions. [2019-11-25 08:54:36,275 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:54:36,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2019-11-25 08:54:36,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:54:36,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:54:36,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:54:36,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:36,280 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:36,280 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:36,280 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:36,280 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:54:36,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:54:36,281 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:54:36,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:54:36,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:54:36 BoogieIcfgContainer [2019-11-25 08:54:36,288 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:54:36,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:36,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:36,289 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:36,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:34" (3/4) ... [2019-11-25 08:54:36,294 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:54:36,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:36,297 INFO L168 Benchmark]: Toolchain (without parser) took 2748.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -117.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:36,297 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:36,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:36,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:36,303 INFO L168 Benchmark]: Boogie Preprocessor took 17.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:36,303 INFO L168 Benchmark]: RCFGBuilder took 236.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:36,304 INFO L168 Benchmark]: BuchiAutomizer took 2170.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:36,305 INFO L168 Benchmark]: Witness Printer took 5.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:36,310 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 236.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2170.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + 1000000 * k and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 20 SDslu, 20 SDs, 0 SdLazy, 19 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq143 hnf93 smp100 dnf100 smp100 tf100 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 59ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...