./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:45:27,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:45:27,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:45:27,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:45:27,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:45:27,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:45:27,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:45:27,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:45:27,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:45:27,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:45:27,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:45:27,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:45:27,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:45:27,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:45:27,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:45:27,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:45:27,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:45:27,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:45:27,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:45:27,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:45:27,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:45:27,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:45:27,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:45:27,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:45:27,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:45:27,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:45:27,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:45:27,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:45:27,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:45:27,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:45:27,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:45:27,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:45:27,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:45:27,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:45:27,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:45:27,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:45:27,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:45:27,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:45:27,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:45:27,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:45:27,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:45:27,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 13:45:27,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:45:27,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:45:27,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:45:27,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:45:27,081 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:45:27,081 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:45:27,081 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:45:27,081 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:45:27,081 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:45:27,082 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:45:27,082 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:45:27,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:45:27,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:45:27,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:45:27,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:45:27,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:45:27,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:45:27,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:45:27,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:45:27,083 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:45:27,083 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:45:27,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:45:27,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:45:27,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:45:27,083 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:45:27,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:45:27,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:45:27,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:45:27,084 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:45:27,084 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:45:27,084 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_31ae839c-df31-4712-9aa9-c356b466d2c6/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 -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2019-12-07 13:45:27,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:45:27,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:45:27,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:45:27,195 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:45:27,195 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:45:27,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-12-07 13:45:27,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/data/0828a29b2/58d510d3fb9547da8e4cb5dfb80c647d/FLAG3ee8b8d71 [2019-12-07 13:45:27,622 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:45:27,622 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-12-07 13:45:27,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/data/0828a29b2/58d510d3fb9547da8e4cb5dfb80c647d/FLAG3ee8b8d71 [2019-12-07 13:45:27,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/data/0828a29b2/58d510d3fb9547da8e4cb5dfb80c647d [2019-12-07 13:45:27,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:45:27,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:45:27,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:45:27,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:45:27,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:45:27,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d2714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27, skipping insertion in model container [2019-12-07 13:45:27,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:45:27,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:45:27,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:45:27,786 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:45:27,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:45:27,811 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:45:27,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27 WrapperNode [2019-12-07 13:45:27,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:45:27,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:45:27,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:45:27,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:45:27,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:45:27,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:45:27,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:45:27,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:45:27,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (1/1) ... [2019-12-07 13:45:27,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:45:27,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:45:27,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:45:27,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:45:27,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:45:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:45:27,959 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:45:27,960 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 13:45:27,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:45:27 BoogieIcfgContainer [2019-12-07 13:45:27,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:45:27,961 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:45:27,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:45:27,964 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:45:27,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:45:27,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:45:27" (1/3) ... [2019-12-07 13:45:27,966 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f92b0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:45:27, skipping insertion in model container [2019-12-07 13:45:27,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:45:27,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:45:27" (2/3) ... [2019-12-07 13:45:27,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f92b0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:45:27, skipping insertion in model container [2019-12-07 13:45:27,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:45:27,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:45:27" (3/3) ... [2019-12-07 13:45:27,969 INFO L371 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-12-07 13:45:28,000 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:45:28,000 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:45:28,000 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:45:28,001 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:45:28,001 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:45:28,001 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:45:28,001 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:45:28,001 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:45:28,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-12-07 13:45:28,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 13:45:28,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:45:28,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:45:28,026 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 13:45:28,026 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 13:45:28,026 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 13:45:28,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-12-07 13:45:28,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 13:45:28,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:45:28,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:45:28,027 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 13:45:28,027 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 13:45:28,032 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2019-12-07 13:45:28,032 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-12-07 13:45:28,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:45:28,036 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 13:45:28,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:45:28,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072870152] [2019-12-07 13:45:28,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:45:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:28,112 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:45:28,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:45:28,113 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-12-07 13:45:28,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:45:28,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187423421] [2019-12-07 13:45:28,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:45:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:28,130 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:45:28,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:45:28,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 13:45:28,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:45:28,131 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342855523] [2019-12-07 13:45:28,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:45:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:28,145 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:45:28,195 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:45:28,196 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:45:28,196 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:45:28,196 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:45:28,196 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 13:45:28,196 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,196 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:45:28,196 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:45:28,197 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-12-07 13:45:28,197 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:45:28,197 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:45:28,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:28,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:28,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:28,468 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-07 13:45:28,477 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:45:28,478 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:45:28,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:45:28,488 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 13:45:28,488 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,494 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:45:28,494 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 13:45:28,505 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:45:28,560 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 13:45:28,561 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:45:28,562 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:45:28,562 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:45:28,562 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:45:28,562 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:45:28,562 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,562 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:45:28,562 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:45:28,562 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-12-07 13:45:28,562 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:45:28,562 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:45:28,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:28,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:28,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:28,747 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-12-07 13:45:28,750 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:45:28,753 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:28,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:28,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:28,759 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:28,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:45:28,782 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2019-12-07 13:45:28,782 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 13:45:28,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:28,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:28,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:28,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:28,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:28,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:45:28,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:45:28,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:28,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:28,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:28,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:28,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:28,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:28,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:45:28,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:45:28,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:28,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:28,831 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:28,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:28,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:28,836 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:28,836 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:28,867 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-12-07 13:45:28,867 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-12-07 13:45:28,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:28,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:28,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:28,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:28,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:28,921 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:28,922 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:45:28,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:28,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:28,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:28,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:28,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:28,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:28,929 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:28,930 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:45:28,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:28,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:28,932 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:28,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:28,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:28,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:28,937 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:28,937 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:28,970 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-12-07 13:45:28,971 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-12-07 13:45:29,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:29,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,037 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:29,038 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:29,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:29,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,045 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:29,045 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:29,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:29,048 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:29,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,052 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:29,052 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:29,096 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-12-07 13:45:29,096 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-12-07 13:45:29,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:29,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,176 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:29,177 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:45:29,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:29,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,184 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:29,185 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:45:29,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:29,187 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,192 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:29,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,192 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:29,192 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:29,211 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-12-07 13:45:29,211 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-12-07 13:45:29,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,266 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,266 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:29,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,266 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:29,267 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:45:29,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,273 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,273 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:29,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,273 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:29,273 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:45:29,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:29,276 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,280 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,280 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:45:29,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,280 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:29,280 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:29,309 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-12-07 13:45:29,309 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-12-07 13:45:29,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,456 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,456 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:45:29,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,456 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:29,457 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:29,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,466 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,466 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:45:29,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,467 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:29,467 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:29,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:29,471 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,476 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,476 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:29,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,476 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:29,476 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:29,505 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-12-07 13:45:29,505 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-12-07 13:45:29,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,857 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,857 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:29,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,858 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:29,859 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:45:29,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,868 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:29,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,868 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:29,869 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:45:29,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:29,874 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,879 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:29,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,879 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:29,879 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:29,899 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-12-07 13:45:29,899 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-12-07 13:45:29,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:29,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,971 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,972 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:29,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,972 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:29,972 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:29,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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 [2019-12-07 13:45:29,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,979 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,979 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:29,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:29,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:29,980 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:29,980 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:29,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:29,982 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:29,983 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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 [2019-12-07 13:45:29,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:29,987 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:29,987 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:29,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:29,987 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:29,987 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:45:30,020 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2019-12-07 13:45:30,020 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2019-12-07 13:45:30,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,165 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:30,165 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:30,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:30,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:30,165 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:45:30,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:45:30,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:30,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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 [2019-12-07 13:45:30,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,174 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:30,174 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:30,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:30,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:30,174 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:45:30,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:45:30,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:30,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:30,178 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-12-07 13:45:30,178 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-12-07 13:45:30,178 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-12-07 13:45:30,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:45:30,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-12-07 13:45:30,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:45:30,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230918877] [2019-12-07 13:45:30,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:45:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:30,188 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:45:30,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:45:30,188 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-12-07 13:45:30,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:45:30,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300338277] [2019-12-07 13:45:30,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:45:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:30,196 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:45:30,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:45:30,196 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-12-07 13:45:30,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:45:30,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853226810] [2019-12-07 13:45:30,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:45:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:45:30,214 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:45:30,247 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:45:30,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:45:30,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:45:30,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:45:30,248 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 13:45:30,248 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,248 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:45:30,248 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:45:30,248 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-12-07 13:45:30,248 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:45:30,248 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:45:30,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:30,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:30,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:30,426 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:45:30,426 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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 [2019-12-07 13:45:30,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:45:30,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:45:30,431 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 13:45:30,431 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:45:30,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:45:30,456 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 13:45:30,457 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:45:30,461 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 13:45:30,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:45:30,567 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 13:45:30,569 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:45:30,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:45:30,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:45:30,570 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:45:30,570 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:45:30,570 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,570 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:45:30,570 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:45:30,570 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-12-07 13:45:30,570 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:45:30,570 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:45:30,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:30,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:30,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:45:30,747 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:45:30,747 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:30,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:30,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:30,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:45:30,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:45:30,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:30,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:30,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:30,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:30,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:45:30,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:45:30,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:30,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:30,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,763 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:30,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:45:30,776 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2019-12-07 13:45:30,776 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 13:45:30,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:30,809 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:30,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:30,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:30,813 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:30,813 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:45:30,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:30,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:30,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:30,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:30,820 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:30,820 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:45:30,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:30,821 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:30,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,826 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:30,826 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:30,841 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-12-07 13:45:30,841 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-12-07 13:45:30,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:30,898 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:30,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:30,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:30,903 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:30,903 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:30,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:30,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:30,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:30,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:30,909 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:30,910 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:30,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:30,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:30,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:30,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:30,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:30,916 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:30,916 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:30,938 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-12-07 13:45:30,938 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-12-07 13:45:31,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:31,009 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:31,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,013 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:31,013 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:45:31,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:31,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,020 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:31,020 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:45:31,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:45:31,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,026 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:31,026 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:31,050 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-12-07 13:45:31,050 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-12-07 13:45:31,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:31,132 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,136 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,136 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:31,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,137 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:31,137 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:45:31,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,143 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,143 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:31,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,144 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:31,144 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 13:45:31,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,150 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,151 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:31,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,151 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:31,151 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 13:45:31,167 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-12-07 13:45:31,167 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-12-07 13:45:31,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:31,234 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,238 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,238 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:45:31,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,239 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:31,239 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:31,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,247 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,247 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:45:31,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,247 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:31,247 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:31,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,254 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,255 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 13:45:31,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,255 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:31,255 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:31,280 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-12-07 13:45:31,281 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-12-07 13:45:31,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:31,370 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,375 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,375 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:31,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,375 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:31,376 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:45:31,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,384 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,384 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:31,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,384 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:31,385 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 13:45:31,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,394 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,394 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:31,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,394 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:31,394 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 13:45:31,421 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-12-07 13:45:31,421 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-12-07 13:45:31,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:31,529 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,533 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,533 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:31,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,533 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:31,534 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:31,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,540 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,541 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:31,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,541 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:31,541 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 13:45:31,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,548 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,548 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 13:45:31,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,549 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:31,549 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 13:45:31,568 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-12-07 13:45:31,568 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-12-07 13:45:31,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:31,650 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,662 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,662 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:31,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,663 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:45:31,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:45:31,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,671 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,671 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:31,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:45:31,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:45:31,671 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:45:31,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:45:31,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:45:31,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31ae839c-df31-4712-9aa9-c356b466d2c6/bin/uautomizer/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:45:31,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:45:31,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 13:45:31,678 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 13:45:31,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:45:31,678 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-12-07 13:45:31,678 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 13:45:31,703 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2019-12-07 13:45:31,703 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2019-12-07 13:45:31,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 13:45:31,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:45:31 BoogieIcfgContainer [2019-12-07 13:45:31,831 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 13:45:31,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:45:31,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:45:31,831 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:45:31,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:45:27" (3/4) ... [2019-12-07 13:45:31,834 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:45:31,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:45:31,834 INFO L168 Benchmark]: Toolchain (without parser) took 4197.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:45:31,835 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:45:31,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:45:31,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:45:31,836 INFO L168 Benchmark]: Boogie Preprocessor took 10.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:45:31,836 INFO L168 Benchmark]: RCFGBuilder took 118.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:45:31,836 INFO L168 Benchmark]: BuchiAutomizer took 3869.54 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -34.2 MB). Peak memory consumption was 314.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:45:31,836 INFO L168 Benchmark]: Witness Printer took 2.55 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. [2019-12-07 13:45:31,838 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 118.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3869.54 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -34.2 MB). Peak memory consumption was 314.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div261 bol100 ite111 ukn100 eq135 hnf58 smp88 dnf215 smp78 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 150ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...