./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 375e158327910cae8c3594f7d2ad0376509a1ecb 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Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:45:13,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:45:13,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:45:13,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:45:13,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:45:13,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:45:13,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:45:13,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:45:13,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:45:13,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:45:13,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:45:13,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:45:13,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:45:13,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:45:13,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:45:13,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:45:13,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:45:13,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:45:13,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:45:13,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:45:13,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:45:13,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:45:13,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:45:13,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:45:13,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:45:13,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:45:13,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:45:13,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:45:13,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:45:13,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:45:13,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:45:13,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:45:13,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:45:13,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:45:13,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:45:13,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:45:13,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:45:13,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:45:13,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:45:13,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:45:13,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:45:13,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 02:45:13,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:45:13,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:45:13,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:45:13,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:45:13,974 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:45:13,974 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:45:13,974 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:45:13,975 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:45:13,975 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:45:13,975 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:45:13,975 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:45:13,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:45:13,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:45:13,976 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:45:13,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:45:13,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:45:13,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:45:13,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:45:13,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:45:13,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:45:13,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:45:13,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:45:13,978 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:45:13,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:45:13,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:45:13,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:45:13,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:45:13,979 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:45:13,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:45:13,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:45:13,980 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:45:13,981 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:45:13,981 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_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375e158327910cae8c3594f7d2ad0376509a1ecb [2019-11-20 02:45:14,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:45:14,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:45:14,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:45:14,145 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:45:14,146 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:45:14,146 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2019-11-20 02:45:14,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/data/f9ccb20c3/dd00f64de30a4d8b8babdf2e73005345/FLAGc205953a8 [2019-11-20 02:45:14,554 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:45:14,554 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2019-11-20 02:45:14,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/data/f9ccb20c3/dd00f64de30a4d8b8babdf2e73005345/FLAGc205953a8 [2019-11-20 02:45:14,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/data/f9ccb20c3/dd00f64de30a4d8b8babdf2e73005345 [2019-11-20 02:45:14,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:45:14,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:45:14,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:45:14,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:45:14,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:45:14,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:45:14" (1/1) ... [2019-11-20 02:45:14,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b60573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:14, skipping insertion in model container [2019-11-20 02:45:14,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:45:14" (1/1) ... [2019-11-20 02:45:14,940 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:45:14,991 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:45:15,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:45:15,328 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:45:15,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:45:15,378 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:45:15,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15 WrapperNode [2019-11-20 02:45:15,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:45:15,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:45:15,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:45:15,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:45:15,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (1/1) ... [2019-11-20 02:45:15,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (1/1) ... [2019-11-20 02:45:15,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:45:15,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:45:15,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:45:15,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:45:15,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (1/1) ... [2019-11-20 02:45:15,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (1/1) ... [2019-11-20 02:45:15,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (1/1) ... [2019-11-20 02:45:15,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (1/1) ... [2019-11-20 02:45:15,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (1/1) ... [2019-11-20 02:45:15,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (1/1) ... [2019-11-20 02:45:15,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (1/1) ... [2019-11-20 02:45:15,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:45:15,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:45:15,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:45:15,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:45:15,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:15,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:45:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:45:15,932 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:45:15,933 INFO L285 CfgBuilder]: Removed 44 assume(true) statements. [2019-11-20 02:45:15,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:45:15 BoogieIcfgContainer [2019-11-20 02:45:15,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:45:15,934 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:45:15,934 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:45:15,937 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:45:15,938 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:45:15,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:45:14" (1/3) ... [2019-11-20 02:45:15,939 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50c4425e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:45:15, skipping insertion in model container [2019-11-20 02:45:15,940 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:45:15,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:45:15" (2/3) ... [2019-11-20 02:45:15,940 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50c4425e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:45:15, skipping insertion in model container [2019-11-20 02:45:15,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:45:15,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:45:15" (3/3) ... [2019-11-20 02:45:15,942 INFO L371 chiAutomizerObserver]: Analyzing ICFG pc_sfifo_1.cil-1.c [2019-11-20 02:45:15,988 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:45:15,988 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:45:15,988 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:45:15,989 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:45:15,989 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:45:15,989 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:45:15,989 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:45:15,989 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:45:16,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2019-11-20 02:45:16,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2019-11-20 02:45:16,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:16,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:16,042 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:45:16,042 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:16,042 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:45:16,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2019-11-20 02:45:16,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2019-11-20 02:45:16,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:16,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:16,049 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:45:16,049 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:16,057 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 8#L-1true havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 75#L346true havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 77#L196true assume !(1 == ~p_dw_i~0);~p_dw_st~0 := 2; 74#L196-2true assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 61#L313-1true [2019-11-20 02:45:16,058 INFO L796 eck$LassoCheckResult]: Loop: 61#L313-1true assume !false; 22#L314true start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 64#L262true assume false; 37#L278true havoc stop_simulation_#res;havoc stop_simulation_#t~ret6, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 69#L214-1true assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 14#L226-1true exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 42#L227-1true stop_simulation_#t~ret6 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret6;havoc stop_simulation_#t~ret6; 23#L292true assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 12#L299true stop_simulation_#res := stop_simulation_~__retres2~0; 39#L300true start_simulation_#t~ret7 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret7;havoc start_simulation_#t~ret7; 67#L320true assume !(0 != start_simulation_~tmp~3); 61#L313-1true [2019-11-20 02:45:16,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,065 INFO L82 PathProgramCache]: Analyzing trace with hash 28692871, now seen corresponding path program 1 times [2019-11-20 02:45:16,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282439957] [2019-11-20 02:45:16,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:16,221 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282439957] [2019-11-20 02:45:16,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:16,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:45:16,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389433103] [2019-11-20 02:45:16,228 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:45:16,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,229 INFO L82 PathProgramCache]: Analyzing trace with hash -778318386, now seen corresponding path program 1 times [2019-11-20 02:45:16,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,229 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694685933] [2019-11-20 02:45:16,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:16,249 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694685933] [2019-11-20 02:45:16,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:16,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:45:16,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856461388] [2019-11-20 02:45:16,253 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:45:16,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:16,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:45:16,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:45:16,271 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 3 states. [2019-11-20 02:45:16,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:16,292 INFO L93 Difference]: Finished difference Result 75 states and 103 transitions. [2019-11-20 02:45:16,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:45:16,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 103 transitions. [2019-11-20 02:45:16,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2019-11-20 02:45:16,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 68 states and 96 transitions. [2019-11-20 02:45:16,305 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2019-11-20 02:45:16,306 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2019-11-20 02:45:16,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 96 transitions. [2019-11-20 02:45:16,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:16,309 INFO L688 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-20 02:45:16,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 96 transitions. [2019-11-20 02:45:16,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-20 02:45:16,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-20 02:45:16,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2019-11-20 02:45:16,354 INFO L711 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-20 02:45:16,354 INFO L591 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-20 02:45:16,355 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:45:16,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 96 transitions. [2019-11-20 02:45:16,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2019-11-20 02:45:16,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:16,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:16,358 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:45:16,358 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:16,358 INFO L794 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 169#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 170#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 226#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 225#L196-2 assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 222#L313-1 [2019-11-20 02:45:16,359 INFO L796 eck$LassoCheckResult]: Loop: 222#L313-1 assume !false; 191#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 174#L262 assume !false; 213#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 214#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 185#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 186#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 199#L242 assume !(0 != eval_~tmp___1~0); 200#L278 havoc stop_simulation_#res;havoc stop_simulation_#t~ret6, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 206#L214-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 183#L226-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 184#L227-1 stop_simulation_#t~ret6 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret6;havoc stop_simulation_#t~ret6; 192#L292 assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 179#L299 stop_simulation_#res := stop_simulation_~__retres2~0; 180#L300 start_simulation_#t~ret7 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret7;havoc start_simulation_#t~ret7; 210#L320 assume !(0 != start_simulation_~tmp~3); 222#L313-1 [2019-11-20 02:45:16,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,359 INFO L82 PathProgramCache]: Analyzing trace with hash 28692809, now seen corresponding path program 1 times [2019-11-20 02:45:16,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,360 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544804681] [2019-11-20 02:45:16,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:16,383 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544804681] [2019-11-20 02:45:16,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:16,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:45:16,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94757090] [2019-11-20 02:45:16,384 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:45:16,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,385 INFO L82 PathProgramCache]: Analyzing trace with hash -852169887, now seen corresponding path program 1 times [2019-11-20 02:45:16,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,385 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398413126] [2019-11-20 02:45:16,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:16,432 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398413126] [2019-11-20 02:45:16,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:16,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:45:16,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047770202] [2019-11-20 02:45:16,433 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:45:16,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:16,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:45:16,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:45:16,434 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. cyclomatic complexity: 29 Second operand 3 states. [2019-11-20 02:45:16,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:16,443 INFO L93 Difference]: Finished difference Result 68 states and 95 transitions. [2019-11-20 02:45:16,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:45:16,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 95 transitions. [2019-11-20 02:45:16,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2019-11-20 02:45:16,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 68 states and 95 transitions. [2019-11-20 02:45:16,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2019-11-20 02:45:16,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2019-11-20 02:45:16,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 95 transitions. [2019-11-20 02:45:16,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:16,450 INFO L688 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2019-11-20 02:45:16,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 95 transitions. [2019-11-20 02:45:16,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-20 02:45:16,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-20 02:45:16,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 95 transitions. [2019-11-20 02:45:16,455 INFO L711 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2019-11-20 02:45:16,456 INFO L591 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2019-11-20 02:45:16,456 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 02:45:16,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 95 transitions. [2019-11-20 02:45:16,457 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2019-11-20 02:45:16,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:16,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:16,462 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:45:16,463 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:16,463 INFO L794 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 314#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 315#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 371#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 370#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 367#L313-1 [2019-11-20 02:45:16,463 INFO L796 eck$LassoCheckResult]: Loop: 367#L313-1 assume !false; 336#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 319#L262 assume !false; 358#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 359#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 330#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 331#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 344#L242 assume !(0 != eval_~tmp___1~0); 345#L278 havoc stop_simulation_#res;havoc stop_simulation_#t~ret6, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 351#L214-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 328#L226-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 329#L227-1 stop_simulation_#t~ret6 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret6;havoc stop_simulation_#t~ret6; 337#L292 assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 324#L299 stop_simulation_#res := stop_simulation_~__retres2~0; 325#L300 start_simulation_#t~ret7 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret7;havoc start_simulation_#t~ret7; 352#L320 assume !(0 != start_simulation_~tmp~3); 367#L313-1 [2019-11-20 02:45:16,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,464 INFO L82 PathProgramCache]: Analyzing trace with hash 28692807, now seen corresponding path program 1 times [2019-11-20 02:45:16,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482556016] [2019-11-20 02:45:16,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:16,509 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:16,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,510 INFO L82 PathProgramCache]: Analyzing trace with hash -852169887, now seen corresponding path program 2 times [2019-11-20 02:45:16,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370692760] [2019-11-20 02:45:16,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:16,546 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370692760] [2019-11-20 02:45:16,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:16,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:45:16,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709172335] [2019-11-20 02:45:16,547 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:45:16,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:16,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:45:16,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:45:16,548 INFO L87 Difference]: Start difference. First operand 68 states and 95 transitions. cyclomatic complexity: 28 Second operand 5 states. [2019-11-20 02:45:16,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:16,676 INFO L93 Difference]: Finished difference Result 134 states and 185 transitions. [2019-11-20 02:45:16,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:45:16,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 134 states and 185 transitions. [2019-11-20 02:45:16,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 129 [2019-11-20 02:45:16,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 134 states to 134 states and 185 transitions. [2019-11-20 02:45:16,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2019-11-20 02:45:16,684 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2019-11-20 02:45:16,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 185 transitions. [2019-11-20 02:45:16,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:16,686 INFO L688 BuchiCegarLoop]: Abstraction has 134 states and 185 transitions. [2019-11-20 02:45:16,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 185 transitions. [2019-11-20 02:45:16,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 71. [2019-11-20 02:45:16,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-20 02:45:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2019-11-20 02:45:16,703 INFO L711 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2019-11-20 02:45:16,703 INFO L591 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2019-11-20 02:45:16,703 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 02:45:16,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 98 transitions. [2019-11-20 02:45:16,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2019-11-20 02:45:16,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:16,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:16,709 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:45:16,709 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:16,709 INFO L794 eck$LassoCheckResult]: Stem: 565#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 532#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 533#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 591#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 590#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 587#L313-1 [2019-11-20 02:45:16,709 INFO L796 eck$LassoCheckResult]: Loop: 587#L313-1 assume !false; 554#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 535#L262 assume !false; 577#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 578#L214 assume !(0 == ~p_dw_st~0); 585#L218 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2 := 0; 548#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 549#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 592#L242 assume !(0 != eval_~tmp___1~0); 568#L278 havoc stop_simulation_#res;havoc stop_simulation_#t~ret6, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 569#L214-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 546#L226-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 547#L227-1 stop_simulation_#t~ret6 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret6;havoc stop_simulation_#t~ret6; 555#L292 assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 542#L299 stop_simulation_#res := stop_simulation_~__retres2~0; 543#L300 start_simulation_#t~ret7 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret7;havoc start_simulation_#t~ret7; 572#L320 assume !(0 != start_simulation_~tmp~3); 587#L313-1 [2019-11-20 02:45:16,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,711 INFO L82 PathProgramCache]: Analyzing trace with hash 28692807, now seen corresponding path program 2 times [2019-11-20 02:45:16,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438972262] [2019-11-20 02:45:16,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:16,749 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:16,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,749 INFO L82 PathProgramCache]: Analyzing trace with hash 6171900, now seen corresponding path program 1 times [2019-11-20 02:45:16,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359409446] [2019-11-20 02:45:16,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:16,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359409446] [2019-11-20 02:45:16,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:16,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:45:16,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034287686] [2019-11-20 02:45:16,790 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:45:16,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:16,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:45:16,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:45:16,791 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. cyclomatic complexity: 28 Second operand 3 states. [2019-11-20 02:45:16,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:16,828 INFO L93 Difference]: Finished difference Result 116 states and 156 transitions. [2019-11-20 02:45:16,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:45:16,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 156 transitions. [2019-11-20 02:45:16,830 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2019-11-20 02:45:16,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 116 states and 156 transitions. [2019-11-20 02:45:16,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2019-11-20 02:45:16,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2019-11-20 02:45:16,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 156 transitions. [2019-11-20 02:45:16,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:16,834 INFO L688 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2019-11-20 02:45:16,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 156 transitions. [2019-11-20 02:45:16,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2019-11-20 02:45:16,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-20 02:45:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 132 transitions. [2019-11-20 02:45:16,845 INFO L711 BuchiCegarLoop]: Abstraction has 99 states and 132 transitions. [2019-11-20 02:45:16,845 INFO L591 BuchiCegarLoop]: Abstraction has 99 states and 132 transitions. [2019-11-20 02:45:16,846 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 02:45:16,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 132 transitions. [2019-11-20 02:45:16,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2019-11-20 02:45:16,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:16,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:16,848 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:16,848 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:16,848 INFO L794 eck$LassoCheckResult]: Stem: 761#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 725#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 726#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 792#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 790#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 791#L313-1 assume !false; 803#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 801#L262 [2019-11-20 02:45:16,849 INFO L796 eck$LassoCheckResult]: Loop: 801#L262 assume !false; 800#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 799#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 798#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 797#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 796#L242 assume 0 != eval_~tmp___1~0; 795#L242-1 assume !(0 == ~p_dw_st~0); 754#L247 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet5;havoc eval_#t~nondet5; 727#L266 assume 0 != eval_~tmp___0~1;~c_dr_st~0 := 1;havoc do_read_c_~a~0;havoc do_read_c_~a~0; 729#L139 assume !(0 == ~c_dr_pc~0); 744#L142 assume 1 == ~c_dr_pc~0; 745#L143 do_read_c_~a~0 := ~a_t~0; 750#L152-1 do_read_c_~a~0 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 784#L32-3 assume !(1 == ~p_dw_pc~0); 785#L32-5 is_do_write_p_triggered_~__retres1~0 := 0; 813#L43-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 812#L44-1 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 811#L74-3 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 756#L74-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 715#L51-3 assume 1 == ~c_dr_pc~0; 716#L52-1 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 810#L62-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 809#L63-1 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 808#L82-3 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 807#L82-5 ~q_read_ev~0 := 2; 806#L172 assume ~p_last_write~0 == ~c_last_read~0; 805#L173 assume ~p_num_write~0 == ~c_num_read~0; 804#L10-2 assume !false; 802#L151 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0; 801#L262 [2019-11-20 02:45:16,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1803984585, now seen corresponding path program 1 times [2019-11-20 02:45:16,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777793760] [2019-11-20 02:45:16,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:16,886 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:16,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1836630604, now seen corresponding path program 1 times [2019-11-20 02:45:16,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436430639] [2019-11-20 02:45:16,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:16,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436430639] [2019-11-20 02:45:16,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:16,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:45:16,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524518270] [2019-11-20 02:45:16,906 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:45:16,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:16,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:45:16,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:45:16,907 INFO L87 Difference]: Start difference. First operand 99 states and 132 transitions. cyclomatic complexity: 34 Second operand 3 states. [2019-11-20 02:45:16,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:16,931 INFO L93 Difference]: Finished difference Result 116 states and 154 transitions. [2019-11-20 02:45:16,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:45:16,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 154 transitions. [2019-11-20 02:45:16,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2019-11-20 02:45:16,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 116 states and 154 transitions. [2019-11-20 02:45:16,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2019-11-20 02:45:16,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2019-11-20 02:45:16,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 154 transitions. [2019-11-20 02:45:16,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:16,936 INFO L688 BuchiCegarLoop]: Abstraction has 116 states and 154 transitions. [2019-11-20 02:45:16,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 154 transitions. [2019-11-20 02:45:16,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2019-11-20 02:45:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-20 02:45:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 130 transitions. [2019-11-20 02:45:16,942 INFO L711 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2019-11-20 02:45:16,942 INFO L591 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2019-11-20 02:45:16,942 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 02:45:16,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 130 transitions. [2019-11-20 02:45:16,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2019-11-20 02:45:16,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:16,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:16,944 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:16,944 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:16,944 INFO L794 eck$LassoCheckResult]: Stem: 980#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 946#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 947#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 1014#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1013#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1003#L313-1 assume !false; 968#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 969#L262 [2019-11-20 02:45:16,944 INFO L796 eck$LassoCheckResult]: Loop: 969#L262 assume !false; 992#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 993#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 1011#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1021#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 1020#L242 assume 0 != eval_~tmp___1~0; 1018#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 1004#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 998#L96 assume 0 == ~p_dw_pc~0; 991#L107-1 assume !false; 997#L108 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 974#L247 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet5;havoc eval_#t~nondet5; 948#L266 assume 0 != eval_~tmp___0~1;~c_dr_st~0 := 1;havoc do_read_c_~a~0;havoc do_read_c_~a~0; 950#L139 assume !(0 == ~c_dr_pc~0); 965#L142 assume 1 == ~c_dr_pc~0; 966#L143 do_read_c_~a~0 := ~a_t~0; 971#L152-1 do_read_c_~a~0 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1005#L32-3 assume !(1 == ~p_dw_pc~0); 1006#L32-5 is_do_write_p_triggered_~__retres1~0 := 0; 1034#L43-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 983#L44-1 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 975#L74-3 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 976#L74-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1032#L51-3 assume 1 == ~c_dr_pc~0; 1030#L52-1 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 1029#L62-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1028#L63-1 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 1027#L82-3 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 1026#L82-5 ~q_read_ev~0 := 2; 1025#L172 assume ~p_last_write~0 == ~c_last_read~0; 1024#L173 assume ~p_num_write~0 == ~c_num_read~0; 1008#L10-2 assume !false; 999#L151 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0; 969#L262 [2019-11-20 02:45:16,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1803984585, now seen corresponding path program 2 times [2019-11-20 02:45:16,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123079923] [2019-11-20 02:45:16,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:16,973 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:16,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:16,980 INFO L82 PathProgramCache]: Analyzing trace with hash 331104409, now seen corresponding path program 1 times [2019-11-20 02:45:16,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:16,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872299401] [2019-11-20 02:45:16,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:17,007 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872299401] [2019-11-20 02:45:17,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:17,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:45:17,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779951012] [2019-11-20 02:45:17,008 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:45:17,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:17,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:45:17,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:45:17,009 INFO L87 Difference]: Start difference. First operand 99 states and 130 transitions. cyclomatic complexity: 32 Second operand 3 states. [2019-11-20 02:45:17,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:17,044 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2019-11-20 02:45:17,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:45:17,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2019-11-20 02:45:17,046 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2019-11-20 02:45:17,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 159 transitions. [2019-11-20 02:45:17,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2019-11-20 02:45:17,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2019-11-20 02:45:17,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 159 transitions. [2019-11-20 02:45:17,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:17,050 INFO L688 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2019-11-20 02:45:17,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 159 transitions. [2019-11-20 02:45:17,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-11-20 02:45:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-20 02:45:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 159 transitions. [2019-11-20 02:45:17,056 INFO L711 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2019-11-20 02:45:17,057 INFO L591 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2019-11-20 02:45:17,057 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 02:45:17,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 159 transitions. [2019-11-20 02:45:17,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2019-11-20 02:45:17,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:17,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:17,059 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:17,059 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:17,059 INFO L794 eck$LassoCheckResult]: Stem: 1211#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1176#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1177#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 1250#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1249#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1242#L313-1 assume !false; 1199#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 1200#L262 assume !false; 1266#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 1265#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 1264#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1263#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 1207#L242 assume 0 != eval_~tmp___1~0; 1204#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 1205#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 1243#L96 assume 0 == ~p_dw_pc~0; 1231#L107-1 [2019-11-20 02:45:17,060 INFO L796 eck$LassoCheckResult]: Loop: 1231#L107-1 assume !false; 1233#L108 assume !(0 == ~q_free~0); 1193#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1194#L32 assume !(1 == ~p_dw_pc~0); 1246#L32-2 is_do_write_p_triggered_~__retres1~0 := 0; 1185#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1186#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 1219#L74 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 1208#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1173#L51 assume !(1 == ~c_dr_pc~0); 1169#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 1170#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1175#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 1232#L82 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 1230#L82-2 ~q_write_ev~0 := 2; 1231#L107-1 [2019-11-20 02:45:17,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:17,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 1 times [2019-11-20 02:45:17,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:17,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338106951] [2019-11-20 02:45:17,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:17,082 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:17,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:17,090 INFO L82 PathProgramCache]: Analyzing trace with hash -62972986, now seen corresponding path program 1 times [2019-11-20 02:45:17,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:17,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876599654] [2019-11-20 02:45:17,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:17,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876599654] [2019-11-20 02:45:17,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:17,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:45:17,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173675218] [2019-11-20 02:45:17,165 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:45:17,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:17,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:45:17,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:45:17,166 INFO L87 Difference]: Start difference. First operand 125 states and 159 transitions. cyclomatic complexity: 36 Second operand 5 states. [2019-11-20 02:45:17,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:17,271 INFO L93 Difference]: Finished difference Result 275 states and 346 transitions. [2019-11-20 02:45:17,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 02:45:17,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 346 transitions. [2019-11-20 02:45:17,276 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 255 [2019-11-20 02:45:17,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 275 states and 346 transitions. [2019-11-20 02:45:17,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2019-11-20 02:45:17,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2019-11-20 02:45:17,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 346 transitions. [2019-11-20 02:45:17,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:17,291 INFO L688 BuchiCegarLoop]: Abstraction has 275 states and 346 transitions. [2019-11-20 02:45:17,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 346 transitions. [2019-11-20 02:45:17,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 134. [2019-11-20 02:45:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-20 02:45:17,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 167 transitions. [2019-11-20 02:45:17,305 INFO L711 BuchiCegarLoop]: Abstraction has 134 states and 167 transitions. [2019-11-20 02:45:17,305 INFO L591 BuchiCegarLoop]: Abstraction has 134 states and 167 transitions. [2019-11-20 02:45:17,314 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 02:45:17,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 167 transitions. [2019-11-20 02:45:17,315 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2019-11-20 02:45:17,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:17,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:17,316 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:17,316 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:17,317 INFO L794 eck$LassoCheckResult]: Stem: 1621#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1589#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1590#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 1659#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1657#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1658#L313-1 assume !false; 1690#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 1689#L262 assume !false; 1688#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 1687#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 1686#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1685#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 1684#L242 assume 0 != eval_~tmp___1~0; 1683#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 1682#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 1680#L96 assume 0 == ~p_dw_pc~0; 1642#L107-1 [2019-11-20 02:45:17,317 INFO L796 eck$LassoCheckResult]: Loop: 1642#L107-1 assume !false; 1644#L108 assume !(0 == ~q_free~0); 1606#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1607#L32 assume !(1 == ~p_dw_pc~0); 1653#L32-2 is_do_write_p_triggered_~__retres1~0 := 0; 1598#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1599#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 1633#L74 assume !(0 != immediate_notify_threads_~tmp~0); 1619#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1586#L51 assume 1 == ~c_dr_pc~0; 1587#L52 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 1583#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1588#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 1643#L82 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 1641#L82-2 ~q_write_ev~0 := 2; 1642#L107-1 [2019-11-20 02:45:17,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:17,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 2 times [2019-11-20 02:45:17,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:17,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267149122] [2019-11-20 02:45:17,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:17,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:17,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:17,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1078264795, now seen corresponding path program 1 times [2019-11-20 02:45:17,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:17,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091481600] [2019-11-20 02:45:17,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:17,366 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:17,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:17,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1917816028, now seen corresponding path program 1 times [2019-11-20 02:45:17,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:17,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384296020] [2019-11-20 02:45:17,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:17,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:17,420 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384296020] [2019-11-20 02:45:17,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:17,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:45:17,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199465520] [2019-11-20 02:45:17,583 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:45:17,583 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:45:17,584 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:45:17,584 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:45:17,584 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 02:45:17,584 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:17,584 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:45:17,584 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:45:17,585 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration8_Loop [2019-11-20 02:45:17,585 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:45:17,585 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:45:17,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:17,926 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:45:17,927 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:17,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:45:17,934 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:45:17,945 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:45:17,957 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_is_do_read_c_triggered_#res=1, ULTIMATE.start_immediate_notify_threads_~tmp___0~0=1, ULTIMATE.start_is_do_read_c_triggered_~__retres1~1=1} Honda state: {ULTIMATE.start_is_do_read_c_triggered_#res=1, ULTIMATE.start_immediate_notify_threads_~tmp___0~0=1, ULTIMATE.start_is_do_read_c_triggered_~__retres1~1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:17,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:45:17,975 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:17,980 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:45:17,980 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_is_do_write_p_triggered_#res=0, ULTIMATE.start_is_do_write_p_triggered_~__retres1~0=0} Honda state: {ULTIMATE.start_is_do_write_p_triggered_#res=0, ULTIMATE.start_is_do_write_p_triggered_~__retres1~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:17,990 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:45:17,990 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 02:45:18,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:45:18,034 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,046 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:45:18,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:45:18,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:45:18,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:45:18,047 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:45:18,047 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,047 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:45:18,047 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:45:18,047 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration8_Loop [2019-11-20 02:45:18,047 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:45:18,047 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:45:18,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:18,396 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:45:18,400 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:18,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,438 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:18,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,440 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:18,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:18,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,472 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:18,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,473 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:18,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:18,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:18,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:18,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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 [2019-11-20 02:45:18,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:18,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,559 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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 [2019-11-20 02:45:18,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:18,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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 [2019-11-20 02:45:18,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:18,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:18,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:18,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:18,602 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,612 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,613 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:18,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,635 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:18,636 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:18,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,668 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,669 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:18,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,692 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:18,692 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:18,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,704 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,705 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:18,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,715 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,716 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:18,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,726 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,728 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:18,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,740 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,741 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:18,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,750 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 [2019-11-20 02:45:18,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,752 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,753 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:18,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,763 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,764 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:18,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,775 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,777 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:18,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,793 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:18,794 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:18,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:18,799 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,809 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,810 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,828 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:18,828 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,831 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:18,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,847 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,848 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,864 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:18,864 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,866 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:18,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,877 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,877 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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 [2019-11-20 02:45:18,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,891 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,892 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:18,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,917 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,920 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,933 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,935 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,942 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:18,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,950 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,952 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,954 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:18,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,967 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,968 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:18,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:18,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:18,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:18,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:18,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:18,987 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:18,989 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:18,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:18,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:18,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,002 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,004 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:19,009 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,020 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,021 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,033 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:19,033 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,036 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-20 02:45:19,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,051 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,052 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,064 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:19,064 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,067 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-20 02:45:19,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:19,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,079 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,080 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,096 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,097 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,100 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,110 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,118 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,129 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,135 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 [2019-11-20 02:45:19,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,137 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,139 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,153 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,154 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,169 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,170 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,184 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,187 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:19,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,203 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,206 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:19,211 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,218 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,218 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,219 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,220 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:19,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,234 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,234 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,235 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:19,235 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:19,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,252 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,253 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,253 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,254 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:19,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,264 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 [2019-11-20 02:45:19,266 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,266 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,267 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:19,267 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:19,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,283 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,283 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,284 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,285 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:19,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,288 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,296 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,296 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,296 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,298 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:19,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,313 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,313 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,314 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,317 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:19,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,332 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,332 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,333 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,334 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:19,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/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) [2019-11-20 02:45:19,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,347 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,347 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,348 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,349 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:19,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,361 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,362 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,363 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:19,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,378 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,378 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,379 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,381 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:19,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,411 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,412 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:19,413 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:19,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:19,419 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,429 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,429 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,430 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,431 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,444 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,444 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,445 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:19,445 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,451 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:19,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,468 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,468 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,469 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,471 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,484 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,485 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,485 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:19,485 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,488 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:19,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,496 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,509 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,510 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,510 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,512 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,524 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,525 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,526 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,531 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,538 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,539 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,539 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,542 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,560 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,561 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,561 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,563 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,576 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,577 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,578 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,592 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,592 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,593 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,595 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,609 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,609 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,610 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,612 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,633 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,633 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:19,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,634 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,636 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:19,644 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,651 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,652 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,652 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,655 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,668 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,668 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,669 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:19,669 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,673 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-20 02:45:19,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,695 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,695 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,695 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,697 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,712 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,712 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,713 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:19,713 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,715 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-20 02:45:19,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,733 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,733 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,734 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,737 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,750 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 [2019-11-20 02:45:19,753 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,753 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,753 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,755 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,769 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,770 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,770 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,774 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,795 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,795 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,796 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,798 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,816 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,817 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,819 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,834 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,834 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,835 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,837 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,855 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,856 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,856 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,859 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,880 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,880 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:19,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,880 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:19,884 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:19,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:19,894 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,901 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,901 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,901 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,902 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,912 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,912 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,913 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:19,913 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,915 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:19,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,922 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,932 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,932 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,933 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,934 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,948 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,948 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,948 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:19,949 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,950 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:19,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,954 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,968 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,969 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,969 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,970 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,978 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 [2019-11-20 02:45:19,980 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,980 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,981 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,982 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:19,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:19,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:19,995 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:19,996 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:19,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:19,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:19,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:19,996 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:19,998 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:19,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,015 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,015 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:20,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,016 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:20,017 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:20,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,028 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,029 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:20,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,029 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:20,030 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:20,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,041 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,041 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:20,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,041 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:20,042 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:20,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,053 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,053 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:20,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,054 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:20,056 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:20,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,068 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,068 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:20,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,068 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:20,070 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:20,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:20,077 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,089 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,089 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,090 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:20,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,110 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,110 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:20,110 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,115 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 02:45:20,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,139 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,139 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,140 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:20,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:20,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,152 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,153 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,153 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:20,153 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,155 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 02:45:20,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:20,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,171 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,171 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,172 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:20,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,185 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,185 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,185 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:20,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,200 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,200 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,200 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:20,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,221 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,222 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,222 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:20,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 110 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 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,238 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,238 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,238 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:20,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:20,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,260 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,260 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:20,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,276 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,277 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:20,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:20,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:20,298 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:20,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:20,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:20,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:20,298 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:20,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:20,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:20,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:20,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:45:20,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:45:20,313 INFO L87 Difference]: Start difference. First operand 134 states and 167 transitions. cyclomatic complexity: 35 Second operand 3 states. [2019-11-20 02:45:20,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:20,346 INFO L93 Difference]: Finished difference Result 220 states and 270 transitions. [2019-11-20 02:45:20,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:45:20,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 220 states and 270 transitions. [2019-11-20 02:45:20,349 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 201 [2019-11-20 02:45:20,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 220 states to 220 states and 270 transitions. [2019-11-20 02:45:20,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2019-11-20 02:45:20,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2019-11-20 02:45:20,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 220 states and 270 transitions. [2019-11-20 02:45:20,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:20,352 INFO L688 BuchiCegarLoop]: Abstraction has 220 states and 270 transitions. [2019-11-20 02:45:20,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states and 270 transitions. [2019-11-20 02:45:20,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2019-11-20 02:45:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-11-20 02:45:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 270 transitions. [2019-11-20 02:45:20,365 INFO L711 BuchiCegarLoop]: Abstraction has 220 states and 270 transitions. [2019-11-20 02:45:20,365 INFO L591 BuchiCegarLoop]: Abstraction has 220 states and 270 transitions. [2019-11-20 02:45:20,365 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-20 02:45:20,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 220 states and 270 transitions. [2019-11-20 02:45:20,367 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 201 [2019-11-20 02:45:20,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:20,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:20,368 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:20,368 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:20,369 INFO L794 eck$LassoCheckResult]: Stem: 1989#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1949#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1950#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 2028#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 2026#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 2027#L313-1 assume !false; 2133#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 2132#L262 assume !false; 2131#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 2130#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 2129#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 2128#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 1980#L242 assume 0 != eval_~tmp___1~0; 1977#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 1978#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 2013#L96 assume 0 == ~p_dw_pc~0; 2006#L107-1 [2019-11-20 02:45:20,369 INFO L796 eck$LassoCheckResult]: Loop: 2006#L107-1 assume !false; 2012#L108 assume !(0 == ~q_free~0); 1966#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1967#L32 assume !(1 == ~p_dw_pc~0); 2021#L32-2 is_do_write_p_triggered_~__retres1~0 := 0; 1958#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1959#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 1997#L74 assume !(0 != immediate_notify_threads_~tmp~0); 1981#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1947#L51 assume !(1 == ~c_dr_pc~0); 1943#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 1944#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1948#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 2011#L82 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 2010#L82-2 ~q_write_ev~0 := 2; 2006#L107-1 [2019-11-20 02:45:20,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:20,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 3 times [2019-11-20 02:45:20,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:20,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767597298] [2019-11-20 02:45:20,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:20,383 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:20,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:20,384 INFO L82 PathProgramCache]: Analyzing trace with hash -872319612, now seen corresponding path program 1 times [2019-11-20 02:45:20,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:20,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692678716] [2019-11-20 02:45:20,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:20,427 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692678716] [2019-11-20 02:45:20,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:20,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:45:20,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292544194] [2019-11-20 02:45:20,427 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:45:20,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:20,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:45:20,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:45:20,428 INFO L87 Difference]: Start difference. First operand 220 states and 270 transitions. cyclomatic complexity: 54 Second operand 5 states. [2019-11-20 02:45:20,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:20,533 INFO L93 Difference]: Finished difference Result 428 states and 517 transitions. [2019-11-20 02:45:20,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 02:45:20,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 428 states and 517 transitions. [2019-11-20 02:45:20,537 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 387 [2019-11-20 02:45:20,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 428 states to 428 states and 517 transitions. [2019-11-20 02:45:20,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 428 [2019-11-20 02:45:20,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 428 [2019-11-20 02:45:20,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 428 states and 517 transitions. [2019-11-20 02:45:20,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:20,542 INFO L688 BuchiCegarLoop]: Abstraction has 428 states and 517 transitions. [2019-11-20 02:45:20,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states and 517 transitions. [2019-11-20 02:45:20,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 229. [2019-11-20 02:45:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-11-20 02:45:20,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 275 transitions. [2019-11-20 02:45:20,549 INFO L711 BuchiCegarLoop]: Abstraction has 229 states and 275 transitions. [2019-11-20 02:45:20,549 INFO L591 BuchiCegarLoop]: Abstraction has 229 states and 275 transitions. [2019-11-20 02:45:20,549 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-20 02:45:20,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 229 states and 275 transitions. [2019-11-20 02:45:20,550 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 210 [2019-11-20 02:45:20,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:20,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:20,551 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:20,551 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:20,553 INFO L794 eck$LassoCheckResult]: Stem: 2654#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 2613#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 2614#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 2701#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 2699#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 2700#L313-1 assume !false; 2747#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 2746#L262 assume !false; 2745#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 2744#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 2743#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 2742#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 2741#L242 assume 0 != eval_~tmp___1~0; 2740#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 2688#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 2680#L96 assume 0 == ~p_dw_pc~0; 2670#L107-1 [2019-11-20 02:45:20,553 INFO L796 eck$LassoCheckResult]: Loop: 2670#L107-1 assume !false; 2679#L108 assume !(0 == ~q_free~0); 2757#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 2756#L32 assume !(1 == ~p_dw_pc~0); 2693#L32-2 is_do_write_p_triggered_~__retres1~0 := 0; 2622#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 2623#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 2664#L74 assume !(0 != immediate_notify_threads_~tmp~0); 2646#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 2647#L51 assume !(1 == ~c_dr_pc~0); 2605#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 2606#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 2677#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 2678#L82 assume !(0 != immediate_notify_threads_~tmp___0~0); 2674#L82-2 ~q_write_ev~0 := 2; 2670#L107-1 [2019-11-20 02:45:20,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:20,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 4 times [2019-11-20 02:45:20,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:20,553 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029667203] [2019-11-20 02:45:20,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:20,580 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:20,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:20,582 INFO L82 PathProgramCache]: Analyzing trace with hash -872319550, now seen corresponding path program 1 times [2019-11-20 02:45:20,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:20,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429231744] [2019-11-20 02:45:20,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:20,599 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:20,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:20,603 INFO L82 PathProgramCache]: Analyzing trace with hash 2123761273, now seen corresponding path program 1 times [2019-11-20 02:45:20,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:20,603 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053557266] [2019-11-20 02:45:20,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:20,629 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:20,728 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:45:20,728 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:45:20,728 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:45:20,728 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:45:20,728 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 02:45:20,728 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:45:20,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:45:20,729 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Loop [2019-11-20 02:45:20,729 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:45:20,729 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:45:20,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,900 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:45:20,900 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 114 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 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:45:20,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:45:20,914 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:45:20,914 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_immediate_notify_threads_#t~ret0=0} Honda state: {ULTIMATE.start_immediate_notify_threads_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 115 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 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:45:20,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:45:20,923 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:45:20,924 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_immediate_notify_threads_#t~ret1=0} Honda state: {ULTIMATE.start_immediate_notify_threads_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:20,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:45:20,934 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 117 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 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 02:45:20,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:45:20,957 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 02:45:20,959 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:45:20,959 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:45:20,959 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:45:20,959 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:45:20,959 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:45:20,959 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:20,960 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:45:20,960 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:45:20,960 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Loop [2019-11-20 02:45:20,960 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:45:20,960 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:45:20,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:20,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:21,112 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:45:21,113 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 118 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 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:21,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:21,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 119 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 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:21,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:21,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 120 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 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,135 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 [2019-11-20 02:45:21,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,137 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:21,137 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 121 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 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:21,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:21,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 122 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 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:21,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:21,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 123 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 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:21,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:21,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 124 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 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,174 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 [2019-11-20 02:45:21,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:21,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:21,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 125 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 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,182 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:21,183 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:21,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:21,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 127 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 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,197 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:21,202 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:21,205 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,220 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,221 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 129 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 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,229 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,229 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 130 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 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,236 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,236 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:21,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,240 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 131 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,246 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,247 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 132 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 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,253 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 [2019-11-20 02:45:21,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,254 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,255 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 133 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 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,263 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,264 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 134 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 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,271 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 [2019-11-20 02:45:21,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,272 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,273 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 135 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 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,281 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,281 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:21,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 136 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 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,288 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,288 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,291 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 137 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 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,296 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,296 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:21,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:21,300 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 138 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 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,305 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,305 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 139 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 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,312 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,313 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 140 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 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,320 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,320 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,322 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:21,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 141 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 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,336 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,338 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 142 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 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,356 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,357 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 143 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 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,371 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,373 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:21,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,392 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,393 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,403 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,403 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,404 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:21,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 146 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,427 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,428 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 146 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 147 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,438 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,438 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,439 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:21,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 147 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:21,444 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 148 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,451 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,452 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:21,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 148 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 149 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,465 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,466 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:21,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 149 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 150 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,474 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 [2019-11-20 02:45:21,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,477 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,477 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,479 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-20 02:45:21,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 150 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,498 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,500 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:21,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,520 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,523 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:21,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 153 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,550 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,553 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:21,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 153 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 154 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,567 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,568 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:21,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 154 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 155 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,578 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,579 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,580 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-20 02:45:21,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 155 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 156 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,595 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,595 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:21,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 156 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 157 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:21,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,609 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,609 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,610 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-20 02:45:21,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 157 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:21,618 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,624 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,624 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:21,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,625 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,625 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 159 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,635 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,635 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:21,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,635 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,636 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 159 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 160 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,671 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,672 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:21,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,672 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,672 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:21,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 160 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 161 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,690 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,691 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:21,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,691 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,693 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 161 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 162 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,707 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,707 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:21,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,707 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,709 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 162 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 163 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,720 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:21,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,720 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,722 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 163 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 164 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,737 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,737 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:21,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,738 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,739 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 164 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 165 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,750 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,750 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:21,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,750 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,750 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:21,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 165 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 166 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,762 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 [2019-11-20 02:45:21,764 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,764 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:21,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,764 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,765 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:45:21,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 166 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 167 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,780 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,780 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:21,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,780 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,780 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:45:21,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:21,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 167 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:21,787 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 168 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,792 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,793 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:21,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,793 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,794 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 168 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 169 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,807 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:21,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,807 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,808 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 169 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 170 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,819 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,819 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:21,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,819 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,819 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,822 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:21,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 170 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 171 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,840 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,841 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:21,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,841 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,844 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 171 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 172 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,859 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,859 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:21,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,859 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,861 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 172 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 173 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,876 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,877 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:21,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,877 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,879 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 173 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,890 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 174 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,896 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,897 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:21,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,897 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,898 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 174 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 175 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,916 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,916 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:21,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,917 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,917 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,918 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:21,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 175 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,924 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 176 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,931 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,931 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:21,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,931 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,933 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:21,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 176 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 177 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,948 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,948 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 02:45:21,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,948 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,949 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:21,950 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:21,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 177 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:21,957 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 178 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,965 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,965 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:21,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,965 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,967 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:21,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 178 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 179 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,980 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,980 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:21,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:21,980 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:21,982 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:21,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 179 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:21,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 180 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:21,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:21,996 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:21,997 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:21,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:21,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:21,997 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:21,997 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:22,000 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-20 02:45:22,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 180 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 181 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,022 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,022 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,022 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 181 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,025 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:22,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 182 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 182 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,036 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,037 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,037 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:22,039 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:22,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 183 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 183 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,051 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,051 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:22,054 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:22,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 184 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 184 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,065 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,065 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,065 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:22,067 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:22,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 185 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 185 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,080 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,080 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,080 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:22,080 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:22,082 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-20 02:45:22,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 186 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 186 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,097 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,097 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,097 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:22,098 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:45:22,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 187 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 187 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,112 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,112 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,113 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:22,113 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:45:22,114 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-11-20 02:45:22,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:22,121 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 188 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 188 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,125 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,125 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:22,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,126 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:22,126 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:22,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 189 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 189 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,134 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,134 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:22,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,134 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:22,134 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:22,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 190 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 190 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,141 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,142 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:22,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,142 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:22,142 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:22,144 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:22,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 191 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 191 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,154 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,154 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:22,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,154 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:22,156 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:22,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 192 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 192 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,167 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:22,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,167 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:22,168 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:22,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 193 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 193 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,177 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,177 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:22,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,177 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:22,178 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:22,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 194 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 194 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,194 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,194 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:22,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,194 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:22,195 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:22,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 195 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,216 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:22,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,216 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:22,216 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:22,218 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:22,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 195 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 196 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,231 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:22,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,231 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:22,232 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:45:22,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 196 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 197 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,248 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,248 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:45:22,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,248 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:22,248 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:45:22,250 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:45:22,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 197 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:22,256 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 198 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,268 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,268 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,269 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:22,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:22,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 198 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 199 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,279 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 [2019-11-20 02:45:22,281 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,281 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,282 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:22,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:22,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 199 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 200 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,294 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,294 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,294 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:22,294 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:22,297 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 02:45:22,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 200 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 201 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,319 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,319 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,320 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:22,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:22,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 201 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 202 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,340 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,341 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,341 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:22,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:22,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 202 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 203 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 203 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,393 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,393 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,393 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:22,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:22,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:22,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 204 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,413 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,413 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,413 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:22,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:22,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 204 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 205 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,431 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,431 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,431 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:22,431 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:22,433 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 02:45:22,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 205 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,443 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 206 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,452 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,452 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:22,453 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:22,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:22,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 206 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 207 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:22,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:22,470 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:45:22,470 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 02:45:22,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:22,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:22,471 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:22,471 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 02:45:22,472 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 02:45:22,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 207 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:45:22,648 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-11-20 02:45:22,701 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:45:22,701 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:45:22,701 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:45:22,701 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:45:22,701 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 02:45:22,701 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:22,701 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:45:22,701 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:45:22,701 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Lasso [2019-11-20 02:45:22,701 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:45:22,702 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:45:22,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:22,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,121 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:45:23,121 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 208 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:23,134 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:45:23,134 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 208 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,138 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:45:23,138 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___0~1=0} Honda state: {ULTIMATE.start_eval_~tmp___0~1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 209 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:23,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:45:23,150 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 209 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,154 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:45:23,154 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~__retres1~3=0} Honda state: {ULTIMATE.start_main_~__retres1~3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 210 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:23,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:45:23,159 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 210 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,163 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:45:23,163 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c_dr_st~0=0} Honda state: {~c_dr_st~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 211 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:23,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:45:23,170 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 211 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 212 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:23,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 02:45:23,181 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 212 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,190 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 02:45:23,191 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:45:23,191 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:45:23,192 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:45:23,192 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:45:23,192 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:45:23,192 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,192 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:45:23,192 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:45:23,192 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Lasso [2019-11-20 02:45:23,192 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:45:23,192 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:45:23,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:45:23,594 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:45:23,595 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 213 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 213 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:23,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:23,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:23,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:23,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:23,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:23,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:45:23,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 214 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 214 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:23,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:23,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:23,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:23,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:23,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:23,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:23,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:23,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 215 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 215 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:23,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:23,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:45:23,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:23,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:23,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:23,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:45:23,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:45:23,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 216 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 216 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:23,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:23,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:23,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:45:23,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:23,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:45:23,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:45:23,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 217 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 217 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:45:23,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:45:23,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:45:23,635 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:45:23,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:45:23,638 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 02:45:23,638 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 02:45:23,646 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:45:23,709 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-20 02:45:23,709 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/z3 Starting monitored process 218 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:45:23,719 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 218 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:45:23,724 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-20 02:45:23,725 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:45:23,725 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~q_free~0) = 1*~q_free~0 Supporting invariants [1*~q_free~0 >= 0] [2019-11-20 02:45:23,731 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-20 02:45:23,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:23,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 02:45:23,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:45:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:23,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 02:45:23,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:45:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:23,879 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 02:45:23,880 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 229 states and 275 transitions. cyclomatic complexity: 50 Second operand 6 states. [2019-11-20 02:45:24,063 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 229 states and 275 transitions. cyclomatic complexity: 50. Second operand 6 states. Result 1087 states and 1324 transitions. Complement of second has 9 states. [2019-11-20 02:45:24,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 02:45:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-20 02:45:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 340 transitions. [2019-11-20 02:45:24,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 16 letters. Loop has 15 letters. [2019-11-20 02:45:24,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:45:24,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 31 letters. Loop has 15 letters. [2019-11-20 02:45:24,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:45:24,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 16 letters. Loop has 30 letters. [2019-11-20 02:45:24,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:45:24,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1087 states and 1324 transitions. [2019-11-20 02:45:24,091 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 563 [2019-11-20 02:45:24,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1087 states to 892 states and 1084 transitions. [2019-11-20 02:45:24,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 646 [2019-11-20 02:45:24,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 650 [2019-11-20 02:45:24,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1084 transitions. [2019-11-20 02:45:24,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:45:24,101 INFO L688 BuchiCegarLoop]: Abstraction has 892 states and 1084 transitions. [2019-11-20 02:45:24,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1084 transitions. [2019-11-20 02:45:24,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 659. [2019-11-20 02:45:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-11-20 02:45:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 802 transitions. [2019-11-20 02:45:24,115 INFO L711 BuchiCegarLoop]: Abstraction has 659 states and 802 transitions. [2019-11-20 02:45:24,115 INFO L591 BuchiCegarLoop]: Abstraction has 659 states and 802 transitions. [2019-11-20 02:45:24,115 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-20 02:45:24,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 659 states and 802 transitions. [2019-11-20 02:45:24,119 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 377 [2019-11-20 02:45:24,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:24,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:24,121 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:24,121 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:24,122 INFO L794 eck$LassoCheckResult]: Stem: 4150#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 4071#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 4072#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 4231#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 4229#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 4230#L313-1 assume !false; 4372#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 4371#L262 assume !false; 4370#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 4369#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 4368#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 4367#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 4366#L242 assume 0 != eval_~tmp___1~0; 4365#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 4364#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 4363#L96 assume !(0 == ~p_dw_pc~0); 4174#L99 assume 1 == ~p_dw_pc~0; 4175#L109 [2019-11-20 02:45:24,122 INFO L796 eck$LassoCheckResult]: Loop: 4175#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 4083#L32 assume 1 == ~p_dw_pc~0; 4084#L33 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 4088#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 4089#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 4166#L74 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 4689#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 4063#L51 assume !(1 == ~c_dr_pc~0); 4064#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 4682#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 4683#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 4598#L82 assume !(0 != immediate_notify_threads_~tmp___0~0); 4599#L82-2 ~q_write_ev~0 := 2; 4590#L107-1 assume !false; 4591#L108 assume !(0 == ~q_free~0); 4175#L109 [2019-11-20 02:45:24,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,122 INFO L82 PathProgramCache]: Analyzing trace with hash 560336285, now seen corresponding path program 1 times [2019-11-20 02:45:24,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,123 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262636984] [2019-11-20 02:45:24,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:24,156 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262636984] [2019-11-20 02:45:24,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:24,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:45:24,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092141811] [2019-11-20 02:45:24,157 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:45:24,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1691430829, now seen corresponding path program 1 times [2019-11-20 02:45:24,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386245032] [2019-11-20 02:45:24,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:24,183 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386245032] [2019-11-20 02:45:24,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:24,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 02:45:24,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719216684] [2019-11-20 02:45:24,184 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:45:24,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:24,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:45:24,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:45:24,185 INFO L87 Difference]: Start difference. First operand 659 states and 802 transitions. cyclomatic complexity: 155 Second operand 3 states. [2019-11-20 02:45:24,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:24,203 INFO L93 Difference]: Finished difference Result 372 states and 445 transitions. [2019-11-20 02:45:24,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:45:24,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 372 states and 445 transitions. [2019-11-20 02:45:24,208 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 233 [2019-11-20 02:45:24,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 372 states to 314 states and 376 transitions. [2019-11-20 02:45:24,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 311 [2019-11-20 02:45:24,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 314 [2019-11-20 02:45:24,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 314 states and 376 transitions. [2019-11-20 02:45:24,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:45:24,212 INFO L688 BuchiCegarLoop]: Abstraction has 314 states and 376 transitions. [2019-11-20 02:45:24,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states and 376 transitions. [2019-11-20 02:45:24,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 249. [2019-11-20 02:45:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-11-20 02:45:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 301 transitions. [2019-11-20 02:45:24,218 INFO L711 BuchiCegarLoop]: Abstraction has 249 states and 301 transitions. [2019-11-20 02:45:24,218 INFO L591 BuchiCegarLoop]: Abstraction has 249 states and 301 transitions. [2019-11-20 02:45:24,219 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-11-20 02:45:24,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 249 states and 301 transitions. [2019-11-20 02:45:24,220 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 206 [2019-11-20 02:45:24,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:24,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:24,223 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:24,223 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:24,223 INFO L794 eck$LassoCheckResult]: Stem: 5135#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 5097#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 5098#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 5176#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 5174#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 5175#L313-1 assume !false; 5218#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 5215#L262 assume !false; 5213#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5211#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 5209#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5207#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 5205#L242 assume 0 != eval_~tmp___1~0; 5200#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 5166#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 5167#L96 assume 0 == ~p_dw_pc~0; 5199#L107-1 assume !false; 5156#L108 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 5125#L247 [2019-11-20 02:45:24,223 INFO L796 eck$LassoCheckResult]: Loop: 5125#L247 assume !(0 == ~c_dr_st~0); 5100#L262 assume !false; 5150#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5151#L214 assume !(0 == ~p_dw_st~0); 5163#L218 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 5112#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5113#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 5127#L242 assume 0 != eval_~tmp___1~0; 5124#L242-1 assume !(0 == ~p_dw_st~0); 5125#L247 [2019-11-20 02:45:24,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,224 INFO L82 PathProgramCache]: Analyzing trace with hash 190554158, now seen corresponding path program 1 times [2019-11-20 02:45:24,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379126871] [2019-11-20 02:45:24,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:24,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379126871] [2019-11-20 02:45:24,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:24,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:45:24,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014771581] [2019-11-20 02:45:24,245 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:45:24,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,245 INFO L82 PathProgramCache]: Analyzing trace with hash 313858188, now seen corresponding path program 1 times [2019-11-20 02:45:24,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,246 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980963409] [2019-11-20 02:45:24,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:24,257 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980963409] [2019-11-20 02:45:24,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:24,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:45:24,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922374539] [2019-11-20 02:45:24,257 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:45:24,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:24,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:45:24,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:45:24,258 INFO L87 Difference]: Start difference. First operand 249 states and 301 transitions. cyclomatic complexity: 54 Second operand 3 states. [2019-11-20 02:45:24,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:24,279 INFO L93 Difference]: Finished difference Result 308 states and 364 transitions. [2019-11-20 02:45:24,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:45:24,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 308 states and 364 transitions. [2019-11-20 02:45:24,282 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 258 [2019-11-20 02:45:24,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 308 states to 308 states and 364 transitions. [2019-11-20 02:45:24,286 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 308 [2019-11-20 02:45:24,286 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 308 [2019-11-20 02:45:24,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 364 transitions. [2019-11-20 02:45:24,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:45:24,287 INFO L688 BuchiCegarLoop]: Abstraction has 308 states and 364 transitions. [2019-11-20 02:45:24,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 364 transitions. [2019-11-20 02:45:24,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 218. [2019-11-20 02:45:24,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2019-11-20 02:45:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 258 transitions. [2019-11-20 02:45:24,292 INFO L711 BuchiCegarLoop]: Abstraction has 218 states and 258 transitions. [2019-11-20 02:45:24,292 INFO L591 BuchiCegarLoop]: Abstraction has 218 states and 258 transitions. [2019-11-20 02:45:24,293 INFO L424 BuchiCegarLoop]: ======== Iteration 13============ [2019-11-20 02:45:24,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 258 transitions. [2019-11-20 02:45:24,294 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-11-20 02:45:24,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:24,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:24,295 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:24,295 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:24,295 INFO L794 eck$LassoCheckResult]: Stem: 5701#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 5661#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 5662#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 5737#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 5735#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 5736#L313-1 assume !false; 5803#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 5801#L262 assume !false; 5799#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5796#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 5794#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5791#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 5789#L242 assume 0 != eval_~tmp___1~0; 5788#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 5782#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 5781#L96 assume 0 == ~p_dw_pc~0; 5777#L107-1 assume !false; 5748#L108 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 5744#L247 [2019-11-20 02:45:24,295 INFO L796 eck$LassoCheckResult]: Loop: 5744#L247 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet5;havoc eval_#t~nondet5; 5663#L266 assume !(0 != eval_~tmp___0~1); 5664#L262 assume !false; 5776#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5774#L214 assume !(0 == ~p_dw_st~0); 5772#L218 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 5770#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5768#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 5764#L242 assume 0 != eval_~tmp___1~0; 5749#L242-1 assume !(0 == ~p_dw_st~0); 5744#L247 [2019-11-20 02:45:24,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,296 INFO L82 PathProgramCache]: Analyzing trace with hash 190554158, now seen corresponding path program 2 times [2019-11-20 02:45:24,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687682749] [2019-11-20 02:45:24,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:24,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687682749] [2019-11-20 02:45:24,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:24,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:45:24,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109166781] [2019-11-20 02:45:24,320 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:45:24,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,321 INFO L82 PathProgramCache]: Analyzing trace with hash -750519281, now seen corresponding path program 1 times [2019-11-20 02:45:24,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312138030] [2019-11-20 02:45:24,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:24,328 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:24,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:24,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:45:24,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:45:24,383 INFO L87 Difference]: Start difference. First operand 218 states and 258 transitions. cyclomatic complexity: 43 Second operand 3 states. [2019-11-20 02:45:24,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:24,395 INFO L93 Difference]: Finished difference Result 241 states and 282 transitions. [2019-11-20 02:45:24,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:45:24,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 282 transitions. [2019-11-20 02:45:24,398 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 190 [2019-11-20 02:45:24,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 240 states and 281 transitions. [2019-11-20 02:45:24,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 240 [2019-11-20 02:45:24,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 240 [2019-11-20 02:45:24,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 240 states and 281 transitions. [2019-11-20 02:45:24,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:24,401 INFO L688 BuchiCegarLoop]: Abstraction has 240 states and 281 transitions. [2019-11-20 02:45:24,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states and 281 transitions. [2019-11-20 02:45:24,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 217. [2019-11-20 02:45:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-11-20 02:45:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 256 transitions. [2019-11-20 02:45:24,406 INFO L711 BuchiCegarLoop]: Abstraction has 217 states and 256 transitions. [2019-11-20 02:45:24,406 INFO L591 BuchiCegarLoop]: Abstraction has 217 states and 256 transitions. [2019-11-20 02:45:24,407 INFO L424 BuchiCegarLoop]: ======== Iteration 14============ [2019-11-20 02:45:24,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 217 states and 256 transitions. [2019-11-20 02:45:24,408 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-11-20 02:45:24,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:24,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:24,410 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:24,410 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:24,411 INFO L794 eck$LassoCheckResult]: Stem: 6168#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 6127#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6128#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 6210#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6209#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6199#L313-1 assume !false; 6149#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 6150#L262 assume !false; 6184#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6185#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 6260#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6259#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 6158#L242 assume 0 != eval_~tmp___1~0; 6159#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 6257#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 6256#L96 assume !(0 == ~p_dw_pc~0); 6182#L99 assume 1 == ~p_dw_pc~0; 6144#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 6145#L32 assume 1 == ~p_dw_pc~0; 6174#L33 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 6175#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 6250#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 6247#L74 assume !(0 != immediate_notify_threads_~tmp~0); 6191#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 6124#L51 assume !(1 == ~c_dr_pc~0); 6125#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 6239#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 6236#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 6232#L82 assume !(0 != immediate_notify_threads_~tmp___0~0); 6228#L82-2 ~q_write_ev~0 := 2; 6224#L107-1 assume !false; 6220#L108 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 6217#L247 [2019-11-20 02:45:24,412 INFO L796 eck$LassoCheckResult]: Loop: 6217#L247 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet5;havoc eval_#t~nondet5; 6129#L266 assume !(0 != eval_~tmp___0~1); 6130#L262 assume !false; 6242#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6240#L214 assume !(0 == ~p_dw_st~0); 6237#L218 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 6233#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6229#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 6225#L242 assume 0 != eval_~tmp___1~0; 6221#L242-1 assume !(0 == ~p_dw_st~0); 6217#L247 [2019-11-20 02:45:24,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,412 INFO L82 PathProgramCache]: Analyzing trace with hash -2034026126, now seen corresponding path program 1 times [2019-11-20 02:45:24,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43300785] [2019-11-20 02:45:24,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:45:24,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:45:24,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43300785] [2019-11-20 02:45:24,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:45:24,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:45:24,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966064104] [2019-11-20 02:45:24,434 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:45:24,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,434 INFO L82 PathProgramCache]: Analyzing trace with hash -750519281, now seen corresponding path program 2 times [2019-11-20 02:45:24,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470332650] [2019-11-20 02:45:24,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:24,442 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:24,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:45:24,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:45:24,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:45:24,515 INFO L87 Difference]: Start difference. First operand 217 states and 256 transitions. cyclomatic complexity: 42 Second operand 3 states. [2019-11-20 02:45:24,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:45:24,534 INFO L93 Difference]: Finished difference Result 210 states and 244 transitions. [2019-11-20 02:45:24,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:45:24,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 244 transitions. [2019-11-20 02:45:24,536 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-11-20 02:45:24,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 210 states and 244 transitions. [2019-11-20 02:45:24,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2019-11-20 02:45:24,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 210 [2019-11-20 02:45:24,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 244 transitions. [2019-11-20 02:45:24,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:45:24,539 INFO L688 BuchiCegarLoop]: Abstraction has 210 states and 244 transitions. [2019-11-20 02:45:24,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 244 transitions. [2019-11-20 02:45:24,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2019-11-20 02:45:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-20 02:45:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 244 transitions. [2019-11-20 02:45:24,544 INFO L711 BuchiCegarLoop]: Abstraction has 210 states and 244 transitions. [2019-11-20 02:45:24,544 INFO L591 BuchiCegarLoop]: Abstraction has 210 states and 244 transitions. [2019-11-20 02:45:24,544 INFO L424 BuchiCegarLoop]: ======== Iteration 15============ [2019-11-20 02:45:24,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 210 states and 244 transitions. [2019-11-20 02:45:24,545 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-11-20 02:45:24,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:45:24,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:45:24,547 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:24,547 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:45:24,547 INFO L794 eck$LassoCheckResult]: Stem: 6599#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 6560#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6561#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 6642#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6640#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6641#L313-1 assume !false; 6681#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 6679#L262 assume !false; 6677#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6675#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 6670#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6666#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 6662#L242 assume 0 != eval_~tmp___1~0; 6659#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 6633#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 6625#L96 assume 0 == ~p_dw_pc~0; 6626#L107-1 assume !false; 6651#L108 assume !(0 == ~q_free~0); 6577#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 6567#L32 assume !(1 == ~p_dw_pc~0); 6568#L32-2 is_do_write_p_triggered_~__retres1~0 := 0; 6569#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 6570#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 6608#L74 assume !(0 != immediate_notify_threads_~tmp~0); 6594#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 6557#L51 assume !(1 == ~c_dr_pc~0); 6558#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 6692#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 6690#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 6688#L82 assume !(0 != immediate_notify_threads_~tmp___0~0); 6687#L82-2 ~q_write_ev~0 := 2; 6686#L107-1 assume !false; 6671#L108 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 6667#L247 [2019-11-20 02:45:24,547 INFO L796 eck$LassoCheckResult]: Loop: 6667#L247 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet5;havoc eval_#t~nondet5; 6562#L266 assume !(0 != eval_~tmp___0~1); 6563#L262 assume !false; 6615#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6616#L214 assume !(0 == ~p_dw_st~0); 6693#L218 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 6685#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6612#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 6592#L242 assume 0 != eval_~tmp___1~0; 6593#L242-1 assume !(0 == ~p_dw_st~0); 6667#L247 [2019-11-20 02:45:24,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,548 INFO L82 PathProgramCache]: Analyzing trace with hash 825120445, now seen corresponding path program 1 times [2019-11-20 02:45:24,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359837283] [2019-11-20 02:45:24,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:24,572 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:24,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,573 INFO L82 PathProgramCache]: Analyzing trace with hash -750519281, now seen corresponding path program 3 times [2019-11-20 02:45:24,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,573 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828779307] [2019-11-20 02:45:24,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:24,587 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:24,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:45:24,587 INFO L82 PathProgramCache]: Analyzing trace with hash 250746827, now seen corresponding path program 1 times [2019-11-20 02:45:24,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:45:24,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960666219] [2019-11-20 02:45:24,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:45:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:45:24,611 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:45:25,022 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-11-20 02:45:25,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:45:25 BoogieIcfgContainer [2019-11-20 02:45:25,117 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:45:25,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:45:25,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:45:25,118 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:45:25,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:45:15" (3/4) ... [2019-11-20 02:45:25,120 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 02:45:25,163 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_adbc04e6-e27d-46e2-9098-061b677aa584/bin/uautomizer/witness.graphml [2019-11-20 02:45:25,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:45:25,165 INFO L168 Benchmark]: Toolchain (without parser) took 10242.14 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 374.3 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -295.7 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:45:25,165 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:45:25,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:45:25,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:45:25,166 INFO L168 Benchmark]: Boogie Preprocessor took 38.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:45:25,167 INFO L168 Benchmark]: RCFGBuilder took 475.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:45:25,167 INFO L168 Benchmark]: BuchiAutomizer took 9183.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -139.4 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:45:25,167 INFO L168 Benchmark]: Witness Printer took 45.90 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:45:25,169 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 454.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 475.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9183.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -139.4 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. * Witness Printer took 45.90 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 14 terminating modules (13 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function q_free and consists of 6 locations. 13 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 210 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.1s and 15 iterations. TraceHistogramMax:2. Analysis of lassos took 7.7s. Construction of modules took 0.3s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 11. Minimization of nondet autom 3. Automata minimization 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 848 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 659 states and ocurred in iteration 10. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1747 SDtfs, 1631 SDslu, 1732 SDs, 0 SdLazy, 203 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI6 SFLT0 conc1 concLT0 SILN2 SILU0 SILI4 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital70 mio100 ax100 hnf100 lsp18 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq210 hnf86 smp100 dnf118 smp100 tf105 neg92 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 93ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 262]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {p_last_write=4, c_dr_i=1, c_dr_pc=0, a_t=0, \result=0, \result=0, c_num_read=0, tmp=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f62b0ba=0, c_dr_st=0, kernel_st=1, q_read_ev=2, p_dw_i=1, tmp___0=0, tmp___1=1, q_write_ev=2, __retres1=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33aeaeaa=0, p_dw_pc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d3002ea=0, tmp=0, q_free=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70a3db67=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3542fa1e=0, __retres1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e88c97=0, p_dw_st=2, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ac79543=0, tmp=0, c_last_read=0, __retres1=0, p_num_write=1, q_buf_0=4, __retres1=0, \result=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 237]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L14] int q_buf_0 ; [L15] int q_free ; [L16] int q_read_ev ; [L17] int q_write_ev ; [L18] int p_num_write ; [L19] int p_last_write ; [L20] int p_dw_st ; [L21] int p_dw_pc ; [L22] int p_dw_i ; [L23] int c_num_read ; [L24] int c_last_read ; [L25] int c_dr_st ; [L26] int c_dr_pc ; [L27] int c_dr_i ; [L134] static int a_t ; [L350] int __retres1 ; [L336] q_free = 1 [L337] q_write_ev = 2 [L338] q_read_ev = q_write_ev [L339] p_num_write = 0 [L340] p_dw_pc = 0 [L341] p_dw_i = 1 [L342] c_num_read = 0 [L343] c_dr_pc = 0 [L344] c_dr_i = 1 [L304] int kernel_st ; [L305] int tmp ; [L309] kernel_st = 0 [L196] COND TRUE (int )p_dw_i == 1 [L197] p_dw_st = 0 [L201] COND TRUE (int )c_dr_i == 1 [L202] c_dr_st = 0 [L313] COND TRUE 1 [L316] kernel_st = 1 [L231] int tmp ; [L232] int tmp___0 ; [L233] int tmp___1 ; [L237] COND TRUE 1 [L211] int __retres1 ; [L214] COND TRUE (int )p_dw_st == 0 [L215] __retres1 = 1 [L227] return (__retres1); [L240] tmp___1 = exists_runnable_thread() [L242] COND TRUE \read(tmp___1) [L247] COND TRUE (int )p_dw_st == 0 [L249] tmp = __VERIFIER_nondet_int() [L251] COND TRUE \read(tmp) [L253] p_dw_st = 1 [L96] COND TRUE (int )p_dw_pc == 0 [L107] COND TRUE 1 [L109] COND FALSE !((int )q_free == 0) [L119] q_buf_0 = __VERIFIER_nondet_int() [L120] p_last_write = q_buf_0 [L121] p_num_write += 1 [L122] q_free = 0 [L123] q_write_ev = 1 [L67] int tmp ; [L68] int tmp___0 ; [L29] int __retres1 ; [L32] COND FALSE !((int )p_dw_pc == 1) [L42] __retres1 = 0 [L44] return (__retres1); [L72] tmp = is_do_write_p_triggered() [L74] COND FALSE !(\read(tmp)) [L48] int __retres1 ; [L51] COND FALSE !((int )c_dr_pc == 1) [L61] __retres1 = 0 [L63] return (__retres1); [L80] tmp___0 = is_do_read_c_triggered() [L82] COND FALSE !(\read(tmp___0)) [L125] q_write_ev = 2 [L107] COND TRUE 1 [L109] COND TRUE (int )q_free == 0 [L110] p_dw_st = 2 [L111] p_dw_pc = 1 Loop: [L262] COND TRUE (int )c_dr_st == 0 [L264] tmp___0 = __VERIFIER_nondet_int() [L266] COND FALSE !(\read(tmp___0)) [L237] COND TRUE 1 [L211] int __retres1 ; [L214] COND FALSE !((int )p_dw_st == 0) [L218] COND TRUE (int )c_dr_st == 0 [L219] __retres1 = 1 [L227] return (__retres1); [L240] tmp___1 = exists_runnable_thread() [L242] COND TRUE \read(tmp___1) [L247] COND FALSE !((int )p_dw_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...