./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:03:08,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:03:08,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:03:08,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:03:08,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:03:08,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:03:08,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:03:08,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:03:08,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:03:08,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:03:08,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:03:08,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:03:08,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:03:08,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:03:08,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:03:08,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:03:08,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:03:08,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:03:08,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:03:08,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:03:08,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:03:08,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:03:08,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:03:08,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:03:08,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:03:08,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:03:08,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:03:09,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:03:09,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:03:09,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:03:09,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:03:09,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:03:09,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:03:09,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:03:09,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:03:09,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:03:09,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:03:09,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:03:09,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:03:09,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:03:09,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:03:09,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:03:09,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:03:09,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:03:09,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:03:09,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:03:09,030 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:03:09,030 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:03:09,030 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:03:09,031 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:03:09,031 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:03:09,031 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:03:09,031 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:03:09,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:03:09,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:03:09,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:03:09,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:03:09,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:03:09,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:03:09,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:03:09,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:03:09,034 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:03:09,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:03:09,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:03:09,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:03:09,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:03:09,035 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:03:09,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:03:09,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:03:09,036 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:03:09,037 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:03:09,037 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_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 [2019-11-19 22:03:09,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:03:09,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:03:09,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:03:09,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:03:09,209 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:03:09,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2019-11-19 22:03:09,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/data/4e426ea14/e30dd663dc814cdea535ab9f2dcff82d/FLAG1fb646a2f [2019-11-19 22:03:09,725 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:03:09,726 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2019-11-19 22:03:09,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/data/4e426ea14/e30dd663dc814cdea535ab9f2dcff82d/FLAG1fb646a2f [2019-11-19 22:03:10,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/data/4e426ea14/e30dd663dc814cdea535ab9f2dcff82d [2019-11-19 22:03:10,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:03:10,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:03:10,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:03:10,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:03:10,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:03:10,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1d3fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10, skipping insertion in model container [2019-11-19 22:03:10,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,097 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:03:10,114 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:03:10,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:03:10,360 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:03:10,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:03:10,479 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:03:10,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10 WrapperNode [2019-11-19 22:03:10,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:03:10,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:03:10,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:03:10,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:03:10,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:03:10,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:03:10,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:03:10,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:03:10,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (1/1) ... [2019-11-19 22:03:10,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:03:10,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:03:10,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:03:10,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:03:10,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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 [2019-11-19 22:03:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:03:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:03:10,893 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:03:10,893 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 22:03:10,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:03:10 BoogieIcfgContainer [2019-11-19 22:03:10,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:03:10,896 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:03:10,896 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:03:10,899 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:03:10,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:03:10,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:03:10" (1/3) ... [2019-11-19 22:03:10,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ee492ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:03:10, skipping insertion in model container [2019-11-19 22:03:10,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:03:10,903 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:03:10" (2/3) ... [2019-11-19 22:03:10,903 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ee492ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:03:10, skipping insertion in model container [2019-11-19 22:03:10,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:03:10,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:03:10" (3/3) ... [2019-11-19 22:03:10,905 INFO L371 chiAutomizerObserver]: Analyzing ICFG Pure3Phase-1.c [2019-11-19 22:03:10,996 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:03:10,996 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:03:10,997 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:03:10,997 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:03:10,997 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:03:10,997 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:03:10,997 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:03:10,997 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:03:11,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-19 22:03:11,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:03:11,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:03:11,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:03:11,047 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-19 22:03:11,047 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:03:11,047 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:03:11,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-19 22:03:11,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:03:11,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:03:11,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:03:11,050 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-19 22:03:11,050 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:03:11,059 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L24true assume !!(main_~x~0 <= 65535); 11#L25true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 3#L26true assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 12#L27-2true [2019-11-19 22:03:11,060 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0); 6#L28true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 4#L28-2true main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 12#L27-2true [2019-11-19 22:03:11,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:11,067 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2019-11-19 22:03:11,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:11,077 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634764922] [2019-11-19 22:03:11,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:11,177 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:03:11,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:11,178 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2019-11-19 22:03:11,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:11,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195402650] [2019-11-19 22:03:11,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:11,195 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:03:11,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:11,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1482218062, now seen corresponding path program 1 times [2019-11-19 22:03:11,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:11,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747641069] [2019-11-19 22:03:11,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:11,222 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:03:11,306 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:03:11,307 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:03:11,310 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:03:11,310 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:03:11,311 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:03:11,311 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:11,311 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:03:11,311 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:03:11,311 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2019-11-19 22:03:11,312 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:03:11,312 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:03:11,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:11,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:11,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:11,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:11,555 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:03:11,556 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:11,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:03:11,648 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:11,666 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:03:11,666 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:11,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:03:11,677 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 [2019-11-19 22:03:11,693 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:03:11,693 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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 [2019-11-19 22:03:11,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:03:11,703 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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 [2019-11-19 22:03:11,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:03:11,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:03:12,121 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:03:12,122 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:03:12,123 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:03:12,123 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:03:12,123 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:03:12,123 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:03:12,123 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:12,123 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:03:12,123 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:03:12,123 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2019-11-19 22:03:12,123 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:03:12,123 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:03:12,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:12,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:12,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:12,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:12,256 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:03:12,261 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:12,284 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 [2019-11-19 22:03:12,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:12,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:03:12,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:03:12,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:12,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:12,325 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 [2019-11-19 22:03:12,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:12,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:03:12,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:03:12,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:12,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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 [2019-11-19 22:03:12,356 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 [2019-11-19 22:03:12,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:12,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:12,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:03:12,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:03:12,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:03:12,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:12,388 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 [2019-11-19 22:03:12,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:12,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,393 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:03:12,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:03:12,397 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:03:12,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:12,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:03:12,407 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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 [2019-11-19 22:03:12,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:03:12,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:12,423 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:03:12,427 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 22:03:12,428 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-19 22:03:12,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:12,450 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 [2019-11-19 22:03:12,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:12,453 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:03:12,466 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 22:03:12,466 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-19 22:03:12,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:12,497 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 [2019-11-19 22:03:12,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:12,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:12,499 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:03:12,502 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 22:03:12,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:03:12,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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 [2019-11-19 22:03:12,528 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 [2019-11-19 22:03:12,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:12,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,531 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:03:12,531 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:03:12,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:03:12,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:03:12,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:03:12,539 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:12,557 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 [2019-11-19 22:03:12,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:12,560 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:03:12,565 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 22:03:12,565 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:12,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:12,593 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 [2019-11-19 22:03:12,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:12,596 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:03:12,601 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 22:03:12,601 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:12,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:12,624 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:12,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:12,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:12,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:12,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:12,628 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:03:12,632 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:03:12,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:03:12,643 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:03:12,671 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-19 22:03:12,671 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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 [2019-11-19 22:03:12,682 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:03:12,683 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:03:12,684 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:03:12,684 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2019-11-19 22:03:12,690 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:03:12,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:03:12,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:03:12,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:03:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:03:12,790 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 22:03:12,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:03:13,058 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-11-19 22:03:13,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:13,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:13,216 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-11-19 22:03:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:03:13,238 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-19 22:03:13,240 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2019-11-19 22:03:13,384 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 34 states and 43 transitions. Complement of second has 10 states. [2019-11-19 22:03:13,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 22:03:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:03:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-11-19 22:03:13,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-19 22:03:13,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:03:13,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-19 22:03:13,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:03:13,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 6 letters. [2019-11-19 22:03:13,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:03:13,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2019-11-19 22:03:13,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:03:13,411 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 13 states and 16 transitions. [2019-11-19 22:03:13,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-19 22:03:13,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-19 22:03:13,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-11-19 22:03:13,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:03:13,413 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-19 22:03:13,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-11-19 22:03:13,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-11-19 22:03:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-19 22:03:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-19 22:03:13,442 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-19 22:03:13,442 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-19 22:03:13,442 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:03:13,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-11-19 22:03:13,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:03:13,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:03:13,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:03:13,444 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:03:13,444 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:03:13,445 INFO L794 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 108#L24 assume !!(main_~x~0 <= 65535); 111#L25 assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 105#L26 assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 106#L27-2 assume !!(main_~x~0 >= 0); 109#L28 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~z~0; 101#L28-2 [2019-11-19 22:03:13,445 INFO L796 eck$LassoCheckResult]: Loop: 101#L28-2 main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 102#L27-2 assume !!(main_~x~0 >= 0); 112#L28 assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 101#L28-2 [2019-11-19 22:03:13,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:13,445 INFO L82 PathProgramCache]: Analyzing trace with hash 922017840, now seen corresponding path program 1 times [2019-11-19 22:03:13,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:13,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517593160] [2019-11-19 22:03:13,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:13,462 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:03:13,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:13,462 INFO L82 PathProgramCache]: Analyzing trace with hash 61346, now seen corresponding path program 2 times [2019-11-19 22:03:13,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:13,463 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315727093] [2019-11-19 22:03:13,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:13,472 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:03:13,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:13,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1517645075, now seen corresponding path program 1 times [2019-11-19 22:03:13,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:03:13,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350411278] [2019-11-19 22:03:13,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:03:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:03:13,490 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:03:13,520 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:03:13,520 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:03:13,520 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:03:13,520 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:03:13,520 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:03:13,520 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:13,521 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:03:13,521 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:03:13,521 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2019-11-19 22:03:13,521 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:03:13,521 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:03:13,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:13,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:13,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:13,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:13,629 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:03:13,629 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:13,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:03:13,640 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:13,645 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:03:13,645 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:13,652 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:03:13,652 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:03:13,656 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:03:13,656 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:13,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:03:13,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:03:13,668 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:03:13,668 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:13,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:03:13,676 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:13,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:03:13,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:03:16,082 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:03:16,085 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:03:16,085 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:03:16,085 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:03:16,085 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:03:16,085 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:03:16,085 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,085 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:03:16,085 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:03:16,085 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2019-11-19 22:03:16,085 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:03:16,086 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:03:16,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:16,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:16,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:16,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:03:16,244 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:03:16,245 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:16,252 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 [2019-11-19 22:03:16,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:16,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:03:16,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:03:16,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:16,276 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 [2019-11-19 22:03:16,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:16,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,279 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:03:16,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:03:16,280 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:03:16,280 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 [2019-11-19 22:03:16,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:16,303 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 [2019-11-19 22:03:16,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:16,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:16,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:03:16,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:03:16,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,313 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:16,324 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 [2019-11-19 22:03:16,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:16,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:03:16,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:03:16,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:03:16,336 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:16,342 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 [2019-11-19 22:03:16,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:16,344 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:03:16,348 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 22:03:16,348 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,360 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 [2019-11-19 22:03:16,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:16,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,362 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:03:16,363 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:03:16,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:03:16,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:03:16,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,376 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 [2019-11-19 22:03:16,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:16,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:16,379 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:03:16,382 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 22:03:16,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:03:16,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:16,400 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:16,402 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:03:16,405 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 22:03:16,405 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-19 22:03:16,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:03:16,413 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,422 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 [2019-11-19 22:03:16,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:16,424 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:03:16,428 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 22:03:16,428 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-19 22:03:16,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,449 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 [2019-11-19 22:03:16,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:16,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,452 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:03:16,452 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:03:16,454 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-19 22:03:16,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:03:16,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:16,472 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 [2019-11-19 22:03:16,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:03:16,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:03:16,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:03:16,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:03:16,477 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:03:16,482 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:03:16,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,489 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:03:16,501 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-19 22:03:16,502 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d997821f-d087-467a-94d7-9c4f53fc9701/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) [2019-11-19 22:03:16,507 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:03:16,507 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:03:16,507 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:03:16,508 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 f1 = 2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~z~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:03:16,519 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:03:16,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:03:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:03:16,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:03:16,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:03:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:03:16,564 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 22:03:16,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:03:16,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,588 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,590 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,615 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,617 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,628 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:03:16,879 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2019-11-19 22:03:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:03:17,005 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-19 22:03:17,005 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-19 22:03:17,100 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 6 states. [2019-11-19 22:03:17,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:03:17,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:03:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-11-19 22:03:17,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-19 22:03:17,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:03:17,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-19 22:03:17,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:03:17,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-19 22:03:17,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:03:17,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-19 22:03:17,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:03:17,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-19 22:03:17,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:03:17,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:03:17,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:03:17,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:03:17,105 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:03:17,105 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:03:17,105 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:03:17,105 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:03:17,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:03:17,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:03:17,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:03:17,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:03:17 BoogieIcfgContainer [2019-11-19 22:03:17,114 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:03:17,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:03:17,115 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:03:17,115 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:03:17,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:03:10" (3/4) ... [2019-11-19 22:03:17,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:03:17,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:03:17,122 INFO L168 Benchmark]: Toolchain (without parser) took 7045.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -96.4 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:03:17,122 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-19 22:03:17,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:03:17,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.08 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. [2019-11-19 22:03:17,124 INFO L168 Benchmark]: Boogie Preprocessor took 19.84 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. [2019-11-19 22:03:17,128 INFO L168 Benchmark]: RCFGBuilder took 360.33 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:03:17,129 INFO L168 Benchmark]: BuchiAutomizer took 6218.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:03:17,129 INFO L168 Benchmark]: Witness Printer took 5.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:03:17,135 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 403.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.08 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 19.84 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 360.33 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6218.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 2 * z + 1 > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 2 * z + 1 > 0 then 2 * y + 2 * z + 1 else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 21 SDslu, 9 SDs, 0 SdLazy, 27 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...