./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 2db9c229863e39441657edcc0b963aa9b76a07f5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:17:35,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:17:35,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:17:35,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:17:35,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:17:35,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:17:35,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:17:35,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:17:35,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:17:35,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:17:36,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:17:36,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:17:36,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:17:36,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:17:36,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:17:36,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:17:36,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:17:36,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:17:36,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:17:36,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:17:36,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:17:36,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:17:36,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:17:36,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:17:36,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:17:36,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:17:36,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:17:36,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:17:36,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:17:36,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:17:36,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:17:36,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:17:36,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:17:36,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:17:36,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:17:36,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:17:36,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:17:36,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:17:36,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:17:36,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:17:36,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:17:36,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 23:17:36,114 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:17:36,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:17:36,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:17:36,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:17:36,117 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:17:36,117 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:17:36,117 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:17:36,118 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:17:36,118 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:17:36,118 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:17:36,119 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:17:36,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:17:36,120 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:17:36,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:17:36,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:17:36,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:17:36,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:17:36,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:17:36,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:17:36,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:17:36,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:17:36,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:17:36,122 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:17:36,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:17:36,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:17:36,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:17:36,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:17:36,124 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:17:36,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:17:36,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:17:36,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:17:36,126 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:17:36,127 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:17:36,128 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db9c229863e39441657edcc0b963aa9b76a07f5 [2020-11-29 23:17:36,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:17:36,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:17:36,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:17:36,437 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:17:36,437 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:17:36,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c [2020-11-29 23:17:36,521 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/data/43de4755b/f504195a14ef4a45a440c72ca93116ea/FLAG2e42187f8 [2020-11-29 23:17:36,966 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:17:36,967 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c [2020-11-29 23:17:36,988 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/data/43de4755b/f504195a14ef4a45a440c72ca93116ea/FLAG2e42187f8 [2020-11-29 23:17:37,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/data/43de4755b/f504195a14ef4a45a440c72ca93116ea [2020-11-29 23:17:37,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:17:37,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:17:37,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:17:37,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:17:37,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:17:37,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae2d575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37, skipping insertion in model container [2020-11-29 23:17:37,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:17:37,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:17:37,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:17:37,640 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:17:37,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:17:37,710 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:17:37,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37 WrapperNode [2020-11-29 23:17:37,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:17:37,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:17:37,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:17:37,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:17:37,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:17:37,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:17:37,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:17:37,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:17:37,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (1/1) ... [2020-11-29 23:17:37,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:17:37,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:17:37,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:17:37,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:17:37,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:17:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:17:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:17:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:17:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:17:38,448 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:17:38,448 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-11-29 23:17:38,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:17:38 BoogieIcfgContainer [2020-11-29 23:17:38,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:17:38,451 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:17:38,451 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:17:38,454 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:17:38,455 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:17:38,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:17:37" (1/3) ... [2020-11-29 23:17:38,456 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c92ef26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:17:38, skipping insertion in model container [2020-11-29 23:17:38,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:17:38,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:17:37" (2/3) ... [2020-11-29 23:17:38,457 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c92ef26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:17:38, skipping insertion in model container [2020-11-29 23:17:38,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:17:38,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:17:38" (3/3) ... [2020-11-29 23:17:38,459 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c [2020-11-29 23:17:38,502 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:17:38,502 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:17:38,502 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:17:38,502 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:17:38,502 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:17:38,502 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:17:38,502 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:17:38,503 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:17:38,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2020-11-29 23:17:38,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 37 [2020-11-29 23:17:38,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:17:38,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:17:38,538 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:17:38,538 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:17:38,539 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:17:38,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2020-11-29 23:17:38,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 37 [2020-11-29 23:17:38,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:17:38,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:17:38,545 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:17:38,546 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:17:38,551 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 13#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~ret23, main_#t~ret24, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet10;havoc main_#t~nondet10;~id1~0 := main_#t~nondet11;havoc main_#t~nondet11;~st1~0 := main_#t~nondet12;havoc main_#t~nondet12;~send1~0 := main_#t~nondet13;havoc main_#t~nondet13;~mode1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id2~0 := main_#t~nondet15;havoc main_#t~nondet15;~st2~0 := main_#t~nondet16;havoc main_#t~nondet16;~send2~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 9#L135true assume !(0 == ~r1~0 % 256);init_~tmp~0 := 0; 7#L135-1true init_#res := init_~tmp~0; 58#L200true main_#t~ret23 := init_#res;main_~i2~0 := main_#t~ret23;havoc main_#t~ret23;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 32#L22true assume !(0 == assume_abort_if_not_~cond); 15#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0 := 0; 33#L278true [2020-11-29 23:17:38,551 INFO L796 eck$LassoCheckResult]: Loop: 33#L278true assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 64#L57true assume !(0 != ~mode1~0 % 256); 47#L74true assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 28#L74-2true ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 62#L57-2true havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 61#L86true assume !(0 != ~mode2~0 % 256); 37#L99true assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 35#L99-2true ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 46#L86-2true havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 38#L111true assume !(0 != ~mode3~0 % 256); 8#L124true assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 5#L124-2true ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 51#L111-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 6#L208true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1 := 0; 3#L208-1true check_#res := check_~tmp~1; 55#L228true main_#t~ret24 := check_#res;main_~c1~0 := main_#t~ret24;havoc main_#t~ret24;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 40#L283true assume !(0 == assert_~arg % 256); 33#L278true [2020-11-29 23:17:38,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:17:38,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1892699938, now seen corresponding path program 1 times [2020-11-29 23:17:38,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:17:38,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714155526] [2020-11-29 23:17:38,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:17:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:17:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:17:38,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714155526] [2020-11-29 23:17:38,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:17:38,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:17:38,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317847271] [2020-11-29 23:17:38,780 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 23:17:38,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:17:38,784 INFO L82 PathProgramCache]: Analyzing trace with hash -555466543, now seen corresponding path program 1 times [2020-11-29 23:17:38,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:17:38,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192454551] [2020-11-29 23:17:38,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:17:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:17:39,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:17:39,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192454551] [2020-11-29 23:17:39,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:17:39,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:17:39,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583430282] [2020-11-29 23:17:39,034 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 23:17:39,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:17:39,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:17:39,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:17:39,057 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 5 states. [2020-11-29 23:17:39,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:17:39,172 INFO L93 Difference]: Finished difference Result 61 states and 97 transitions. [2020-11-29 23:17:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:17:39,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 97 transitions. [2020-11-29 23:17:39,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2020-11-29 23:17:39,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 57 states and 78 transitions. [2020-11-29 23:17:39,199 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2020-11-29 23:17:39,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 57 [2020-11-29 23:17:39,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 78 transitions. [2020-11-29 23:17:39,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:17:39,201 INFO L691 BuchiCegarLoop]: Abstraction has 57 states and 78 transitions. [2020-11-29 23:17:39,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 78 transitions. [2020-11-29 23:17:39,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-29 23:17:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-29 23:17:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 78 transitions. [2020-11-29 23:17:39,240 INFO L714 BuchiCegarLoop]: Abstraction has 57 states and 78 transitions. [2020-11-29 23:17:39,241 INFO L594 BuchiCegarLoop]: Abstraction has 57 states and 78 transitions. [2020-11-29 23:17:39,241 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:17:39,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 78 transitions. [2020-11-29 23:17:39,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2020-11-29 23:17:39,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:17:39,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:17:39,253 INFO L852 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] [2020-11-29 23:17:39,253 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:17:39,260 INFO L794 eck$LassoCheckResult]: Stem: 180#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 159#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~ret23, main_#t~ret24, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet10;havoc main_#t~nondet10;~id1~0 := main_#t~nondet11;havoc main_#t~nondet11;~st1~0 := main_#t~nondet12;havoc main_#t~nondet12;~send1~0 := main_#t~nondet13;havoc main_#t~nondet13;~mode1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id2~0 := main_#t~nondet15;havoc main_#t~nondet15;~st2~0 := main_#t~nondet16;havoc main_#t~nondet16;~send2~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 153#L135 assume 0 == ~r1~0 % 256; 154#L136 assume ~id1~0 >= 0; 176#L137 assume 0 == ~st1~0; 160#L138 assume ~send1~0 == ~id1~0; 161#L139 assume 0 == ~mode1~0 % 256; 181#L140 assume ~id2~0 >= 0; 195#L141 assume 0 == ~st2~0; 170#L142 assume ~send2~0 == ~id2~0; 171#L143 assume 0 == ~mode2~0 % 256; 172#L144 assume ~id3~0 >= 0; 188#L145 assume 0 == ~st3~0; 155#L146 assume ~send3~0 == ~id3~0; 156#L147 assume 0 == ~mode3~0 % 256; 179#L148 assume ~id1~0 != ~id2~0; 162#L149 assume ~id1~0 != ~id3~0; 163#L150 assume ~id2~0 != ~id3~0;init_~tmp~0 := 1; 150#L135-1 init_#res := init_~tmp~0; 151#L200 main_#t~ret23 := init_#res;main_~i2~0 := main_#t~ret23;havoc main_#t~ret23;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 182#L22 assume !(0 == assume_abort_if_not_~cond); 164#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0 := 0; 165#L278 [2020-11-29 23:17:39,261 INFO L796 eck$LassoCheckResult]: Loop: 165#L278 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 183#L57 assume !(0 != ~mode1~0 % 256); 193#L74 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 177#L74-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 178#L57-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 198#L86 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 196#L89 assume !(node2_~m2~0 != ~nomsg~0); 191#L89-1 ~mode2~0 := 0; 185#L86-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 187#L111 assume !(0 != ~mode3~0 % 256); 152#L124 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 144#L124-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 145#L111-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 148#L208 assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1 := 0; 142#L208-1 check_#res := check_~tmp~1; 143#L228 main_#t~ret24 := check_#res;main_~c1~0 := main_#t~ret24;havoc main_#t~ret24;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 189#L283 assume !(0 == assert_~arg % 256); 165#L278 [2020-11-29 23:17:39,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:17:39,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1473464705, now seen corresponding path program 1 times [2020-11-29 23:17:39,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:17:39,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104159085] [2020-11-29 23:17:39,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:17:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:17:39,313 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:17:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:17:39,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:17:39,421 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:17:39,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:17:39,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1674741753, now seen corresponding path program 1 times [2020-11-29 23:17:39,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:17:39,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572710180] [2020-11-29 23:17:39,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:17:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:17:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:17:39,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572710180] [2020-11-29 23:17:39,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:17:39,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:17:39,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447629009] [2020-11-29 23:17:39,571 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 23:17:39,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:17:39,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:17:39,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:17:39,573 INFO L87 Difference]: Start difference. First operand 57 states and 78 transitions. cyclomatic complexity: 22 Second operand 5 states. [2020-11-29 23:17:39,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:17:39,648 INFO L93 Difference]: Finished difference Result 60 states and 80 transitions. [2020-11-29 23:17:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:17:39,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 80 transitions. [2020-11-29 23:17:39,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2020-11-29 23:17:39,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 57 states and 75 transitions. [2020-11-29 23:17:39,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2020-11-29 23:17:39,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 57 [2020-11-29 23:17:39,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 75 transitions. [2020-11-29 23:17:39,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:17:39,656 INFO L691 BuchiCegarLoop]: Abstraction has 57 states and 75 transitions. [2020-11-29 23:17:39,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 75 transitions. [2020-11-29 23:17:39,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-29 23:17:39,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-29 23:17:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2020-11-29 23:17:39,661 INFO L714 BuchiCegarLoop]: Abstraction has 57 states and 75 transitions. [2020-11-29 23:17:39,661 INFO L594 BuchiCegarLoop]: Abstraction has 57 states and 75 transitions. [2020-11-29 23:17:39,661 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 23:17:39,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 75 transitions. [2020-11-29 23:17:39,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2020-11-29 23:17:39,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:17:39,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:17:39,664 INFO L852 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] [2020-11-29 23:17:39,664 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:17:39,664 INFO L794 eck$LassoCheckResult]: Stem: 309#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 288#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~ret23, main_#t~ret24, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet10;havoc main_#t~nondet10;~id1~0 := main_#t~nondet11;havoc main_#t~nondet11;~st1~0 := main_#t~nondet12;havoc main_#t~nondet12;~send1~0 := main_#t~nondet13;havoc main_#t~nondet13;~mode1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id2~0 := main_#t~nondet15;havoc main_#t~nondet15;~st2~0 := main_#t~nondet16;havoc main_#t~nondet16;~send2~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 282#L135 assume 0 == ~r1~0 % 256; 283#L136 assume ~id1~0 >= 0; 305#L137 assume 0 == ~st1~0; 289#L138 assume ~send1~0 == ~id1~0; 290#L139 assume 0 == ~mode1~0 % 256; 310#L140 assume ~id2~0 >= 0; 324#L141 assume 0 == ~st2~0; 299#L142 assume ~send2~0 == ~id2~0; 300#L143 assume 0 == ~mode2~0 % 256; 301#L144 assume ~id3~0 >= 0; 317#L145 assume 0 == ~st3~0; 284#L146 assume ~send3~0 == ~id3~0; 285#L147 assume 0 == ~mode3~0 % 256; 308#L148 assume ~id1~0 != ~id2~0; 291#L149 assume ~id1~0 != ~id3~0; 292#L150 assume ~id2~0 != ~id3~0;init_~tmp~0 := 1; 279#L135-1 init_#res := init_~tmp~0; 280#L200 main_#t~ret23 := init_#res;main_~i2~0 := main_#t~ret23;havoc main_#t~ret23;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 311#L22 assume !(0 == assume_abort_if_not_~cond); 293#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0 := 0; 294#L278 [2020-11-29 23:17:39,664 INFO L796 eck$LassoCheckResult]: Loop: 294#L278 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 312#L57 assume !(0 != ~mode1~0 % 256); 322#L74 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 306#L74-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 307#L57-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 327#L86 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 325#L89 assume !(node2_~m2~0 != ~nomsg~0); 320#L89-1 ~mode2~0 := 0; 314#L86-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 316#L111 assume !(0 != ~mode3~0 % 256); 281#L124 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 275#L124-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 276#L111-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 277#L208 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 278#L209 assume ~r1~0 % 256 >= 3; 287#L213 assume ~r1~0 % 256 < 3;check_~tmp~1 := 1; 271#L208-1 check_#res := check_~tmp~1; 272#L228 main_#t~ret24 := check_#res;main_~c1~0 := main_#t~ret24;havoc main_#t~ret24;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 318#L283 assume !(0 == assert_~arg % 256); 294#L278 [2020-11-29 23:17:39,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:17:39,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1473464705, now seen corresponding path program 2 times [2020-11-29 23:17:39,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:17:39,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94531614] [2020-11-29 23:17:39,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:17:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:17:39,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:17:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:17:39,734 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:17:39,745 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:17:39,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:17:39,746 INFO L82 PathProgramCache]: Analyzing trace with hash 447509239, now seen corresponding path program 1 times [2020-11-29 23:17:39,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:17:39,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693285130] [2020-11-29 23:17:39,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:17:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:17:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:17:39,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693285130] [2020-11-29 23:17:39,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:17:39,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:17:39,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005133489] [2020-11-29 23:17:39,792 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 23:17:39,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:17:39,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:17:39,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:17:39,793 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. cyclomatic complexity: 19 Second operand 3 states. [2020-11-29 23:17:39,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:17:39,845 INFO L93 Difference]: Finished difference Result 86 states and 117 transitions. [2020-11-29 23:17:39,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:17:39,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 117 transitions. [2020-11-29 23:17:39,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2020-11-29 23:17:39,849 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 86 states and 117 transitions. [2020-11-29 23:17:39,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2020-11-29 23:17:39,849 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2020-11-29 23:17:39,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 117 transitions. [2020-11-29 23:17:39,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:17:39,850 INFO L691 BuchiCegarLoop]: Abstraction has 86 states and 117 transitions. [2020-11-29 23:17:39,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 117 transitions. [2020-11-29 23:17:39,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2020-11-29 23:17:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-29 23:17:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2020-11-29 23:17:39,864 INFO L714 BuchiCegarLoop]: Abstraction has 84 states and 114 transitions. [2020-11-29 23:17:39,864 INFO L594 BuchiCegarLoop]: Abstraction has 84 states and 114 transitions. [2020-11-29 23:17:39,864 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 23:17:39,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 114 transitions. [2020-11-29 23:17:39,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-11-29 23:17:39,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:17:39,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:17:39,869 INFO L852 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] [2020-11-29 23:17:39,870 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:17:39,870 INFO L794 eck$LassoCheckResult]: Stem: 459#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 437#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~ret23, main_#t~ret24, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet10;havoc main_#t~nondet10;~id1~0 := main_#t~nondet11;havoc main_#t~nondet11;~st1~0 := main_#t~nondet12;havoc main_#t~nondet12;~send1~0 := main_#t~nondet13;havoc main_#t~nondet13;~mode1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id2~0 := main_#t~nondet15;havoc main_#t~nondet15;~st2~0 := main_#t~nondet16;havoc main_#t~nondet16;~send2~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 431#L135 assume 0 == ~r1~0 % 256; 432#L136 assume ~id1~0 >= 0; 457#L137 assume 0 == ~st1~0; 438#L138 assume ~send1~0 == ~id1~0; 439#L139 assume 0 == ~mode1~0 % 256; 460#L140 assume ~id2~0 >= 0; 475#L141 assume 0 == ~st2~0; 448#L142 assume ~send2~0 == ~id2~0; 449#L143 assume 0 == ~mode2~0 % 256; 450#L144 assume ~id3~0 >= 0; 468#L145 assume 0 == ~st3~0; 433#L146 assume ~send3~0 == ~id3~0; 434#L147 assume 0 == ~mode3~0 % 256; 458#L148 assume ~id1~0 != ~id2~0; 440#L149 assume ~id1~0 != ~id3~0; 441#L150 assume ~id2~0 != ~id3~0;init_~tmp~0 := 1; 428#L135-1 init_#res := init_~tmp~0; 429#L200 main_#t~ret23 := init_#res;main_~i2~0 := main_#t~ret23;havoc main_#t~ret23;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 463#L22 assume !(0 == assume_abort_if_not_~cond); 442#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0 := 0; 443#L278 [2020-11-29 23:17:39,870 INFO L796 eck$LassoCheckResult]: Loop: 443#L278 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 500#L57 assume !(0 != ~mode1~0 % 256); 499#L74 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 498#L74-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 478#L57-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 497#L86 assume !(0 != ~mode2~0 % 256); 493#L99 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 492#L99-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 490#L86-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 489#L111 assume !(0 != ~mode3~0 % 256); 485#L124 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 484#L124-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 482#L111-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 481#L208 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 480#L209 assume !(~r1~0 % 256 >= 3); 435#L212 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 436#L213 assume ~r1~0 % 256 < 3;check_~tmp~1 := 1; 503#L208-1 check_#res := check_~tmp~1; 502#L228 main_#t~ret24 := check_#res;main_~c1~0 := main_#t~ret24;havoc main_#t~ret24;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 501#L283 assume !(0 == assert_~arg % 256); 443#L278 [2020-11-29 23:17:39,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:17:39,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1473464705, now seen corresponding path program 3 times [2020-11-29 23:17:39,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:17:39,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092827613] [2020-11-29 23:17:39,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:17:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:17:39,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:17:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:17:39,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:17:39,940 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:17:39,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:17:39,946 INFO L82 PathProgramCache]: Analyzing trace with hash -757305097, now seen corresponding path program 1 times [2020-11-29 23:17:39,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:17:39,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598728676] [2020-11-29 23:17:39,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:17:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:17:39,965 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:17:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:17:39,986 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:17:39,994 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:17:39,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:17:39,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1629815691, now seen corresponding path program 1 times [2020-11-29 23:17:39,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:17:39,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333014679] [2020-11-29 23:17:39,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:17:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:17:40,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:17:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:17:40,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:17:40,068 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:17:40,439 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2020-11-29 23:17:40,824 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-11-29 23:17:40,839 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:17:40,839 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:17:40,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:17:40,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:17:40,840 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 23:17:40,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:17:40,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:17:40,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:17:40,841 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.3.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2020-11-29 23:17:40,841 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:17:40,841 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:17:40,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:40,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:40,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:40,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:40,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:40,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:40,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:40,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:40,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:40,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:41,232 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-11-29 23:17:41,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:41,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:17:41,674 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-29 23:17:41,682 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-11-29 23:18:15,865 WARN L193 SmtUtils]: Spent 33.82 s on a formula simplification. DAG size of input: 608 DAG size of output: 160 [2020-11-29 23:18:15,956 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:18:15,957 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:18:15,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 23:18:15,977 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:18:15,986 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 23:18:15,986 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node2_#t~ite8=0} Honda state: {ULTIMATE.start_node2_#t~ite8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:18:16,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 23:18:16,036 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:18:16,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 23:18:16,082 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:18:28,149 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-11-29 23:18:28,153 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:18:28,154 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:18:28,154 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:18:28,154 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:18:28,154 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:18:28,154 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:18:28,154 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:18:28,154 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:18:28,154 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.3.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2020-11-29 23:18:28,155 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:18:28,155 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:18:28,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,532 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-11-29 23:18:28,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:18:28,962 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-29 23:18:28,966 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-11-29 23:19:02,105 WARN L193 SmtUtils]: Spent 32.88 s on a formula simplification. DAG size of input: 608 DAG size of output: 160 [2020-11-29 23:19:02,147 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:19:02,151 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:02,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:02,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:02,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:02,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:02,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:02,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:02,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:02,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:02,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:02,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:02,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:02,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:02,279 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 [2020-11-29 23:19:02,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:02,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:02,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:02,285 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 [2020-11-29 23:19:02,288 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:02,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:02,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:02,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:02,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:02,336 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 [2020-11-29 23:19:02,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:02,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:02,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:02,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:02,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:02,388 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 [2020-11-29 23:19:02,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:19:02,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:02,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:02,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:02,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:02,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:02,449 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:02,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:02,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:02,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:02,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:02,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:02,509 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:02,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:02,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:02,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:02,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:02,557 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 [2020-11-29 23:19:02,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:02,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:02,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:02,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:02,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:02,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:02,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:02,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:02,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:02,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:02,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:02,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:02,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:19:02,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:02,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:02,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:02,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:02,700 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2020-11-29 23:19:02,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:03,275 INFO L401 nArgumentSynthesizer]: We have 128 Motzkin's Theorem applications. [2020-11-29 23:19:03,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:03,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:19:03,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:03,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:03,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:03,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:03,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:03,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:19:03,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:19:03,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:03,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 23:19:03,897 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:19:03,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:03,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:03,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:03,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:03,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:03,902 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:03,903 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:03,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:03,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:03,929 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 [2020-11-29 23:19:03,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:03,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:03,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:03,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:03,931 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:03,931 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:03,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:03,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:03,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:03,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:03,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:03,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:03,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:03,960 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:03,961 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:03,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:03,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:19:03,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:03,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:03,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:03,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:03,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:03,992 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:03,994 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:03,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:03,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:19:04,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:04,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:04,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:04,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:04,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:04,025 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:04,026 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:04,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:04,033 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:04,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:04,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:04,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:04,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:04,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:04,057 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:04,058 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:04,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:04,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:04,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:04,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:04,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:04,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:04,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:04,120 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:04,122 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:04,122 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 [2020-11-29 23:19:04,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:04,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:04,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:04,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:04,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:04,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:04,173 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:04,175 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:04,175 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 [2020-11-29 23:19:04,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:04,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:04,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:04,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:04,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:04,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:04,229 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:04,231 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:04,232 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 [2020-11-29 23:19:04,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:04,271 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 [2020-11-29 23:19:04,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:04,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:04,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:04,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:04,273 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:04,273 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:04,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:04,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:04,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:04,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:04,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:04,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:04,303 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2020-11-29 23:19:04,303 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:05,032 INFO L401 nArgumentSynthesizer]: We have 192 Motzkin's Theorem applications. [2020-11-29 23:19:05,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:05,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:05,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:05,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:05,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:05,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:05,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:05,933 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:05,933 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:05,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:05,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 23:19:05,955 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:05,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:05,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:05,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:05,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:05,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:05,972 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:05,975 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:05,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:05,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:06,019 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 [2020-11-29 23:19:06,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:06,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:06,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:06,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:06,021 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:06,022 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:06,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:06,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:06,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:06,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:06,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:06,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:06,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:06,052 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:06,055 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:06,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:06,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:06,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:06,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:06,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:06,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:06,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:06,112 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:06,114 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:06,114 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 [2020-11-29 23:19:06,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:06,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:06,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:06,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:06,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:06,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:06,157 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:06,158 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:06,158 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 [2020-11-29 23:19:06,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:06,197 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 [2020-11-29 23:19:06,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:06,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:06,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:06,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:06,199 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:06,200 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:06,200 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 [2020-11-29 23:19:06,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:19:06,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:06,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:06,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:06,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:06,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:06,240 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:06,242 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:06,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:06,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:06,266 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 [2020-11-29 23:19:06,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:06,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:06,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:06,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:06,268 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:06,270 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:06,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:06,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:06,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:06,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:06,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:06,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:06,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:06,302 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:06,305 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:06,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:06,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:06,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:06,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:06,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:06,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:06,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:06,334 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:06,350 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:06,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:06,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:06,401 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 [2020-11-29 23:19:06,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:06,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:06,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:06,407 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2020-11-29 23:19:06,407 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:07,463 INFO L401 nArgumentSynthesizer]: We have 256 Motzkin's Theorem applications. [2020-11-29 23:19:07,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,622 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:08,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,665 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:08,666 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:08,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 23:19:08,699 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,702 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 [2020-11-29 23:19:08,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,704 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:08,707 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:08,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:08,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,739 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:08,739 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:08,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:08,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,766 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:08,768 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:08,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,793 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 [2020-11-29 23:19:08,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,795 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:08,797 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:08,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,822 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 [2020-11-29 23:19:08,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,824 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:08,825 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:08,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:08,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,851 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:08,851 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:08,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,874 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 [2020-11-29 23:19:08,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,876 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:08,879 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:08,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:08,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,922 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:08,924 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:08,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:08,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,952 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:08,956 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:08,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:08,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:08,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:08,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:08,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:08,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:08,991 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:08,991 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:08,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:08,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:09,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:09,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:09,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:09,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:09,020 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2020-11-29 23:19:09,020 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:09,991 INFO L401 nArgumentSynthesizer]: We have 320 Motzkin's Theorem applications. [2020-11-29 23:19:09,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:11,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:19:11,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,517 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:11,518 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:11,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 23:19:11,544 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:11,548 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,548 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,548 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:11,550 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:11,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:11,582 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,582 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,582 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:11,583 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:11,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,612 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 [2020-11-29 23:19:11,614 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,614 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,614 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:11,616 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:11,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,648 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 [2020-11-29 23:19:11,650 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,650 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,650 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:11,652 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:11,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:11,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,683 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,684 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:11,684 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:11,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:11,716 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,716 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,716 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:11,717 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:11,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:11,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,749 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,749 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,749 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:11,751 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:11,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:11,783 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,784 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,784 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:11,786 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:11,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:11,822 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,822 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,822 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:11,825 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:11,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,857 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 [2020-11-29 23:19:11,859 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,859 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:11,860 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:11,860 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:11,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:11,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:11,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:11,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:11,893 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:11,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:11,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:11,894 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2020-11-29 23:19:11,894 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:12,690 INFO L401 nArgumentSynthesizer]: We have 192 Motzkin's Theorem applications. [2020-11-29 23:19:12,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:14,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:14,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:14,207 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,207 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:14,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,207 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 23:19:14,208 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 23:19:14,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:14,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 23:19:14,230 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:14,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:14,234 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,234 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,234 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:14,236 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:14,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:14,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:14,303 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 [2020-11-29 23:19:14,305 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,305 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,306 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:14,307 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:14,307 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 [2020-11-29 23:19:14,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:14,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:14,352 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,352 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,353 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:14,356 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:14,356 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 [2020-11-29 23:19:14,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:14,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:14,387 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,387 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,387 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:14,389 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:14,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:14,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:14,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:14,418 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,419 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,419 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:14,420 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:14,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:14,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:14,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:14,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,450 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,450 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:14,451 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:14,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:14,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:14,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:14,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,480 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,481 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:14,482 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:14,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:14,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:14,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:14,514 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,515 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,515 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:14,517 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:14,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:14,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:14,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:14,546 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,547 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,547 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:14,549 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:14,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:14,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:14,576 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 [2020-11-29 23:19:14,577 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,577 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:14,578 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:14,579 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:14,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:14,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:14,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:14,608 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:14,609 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:14,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:14,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:14,609 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2020-11-29 23:19:14,609 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:15,344 INFO L401 nArgumentSynthesizer]: We have 256 Motzkin's Theorem applications. [2020-11-29 23:19:15,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:19,121 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,121 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 23:19:19,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,121 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:19,122 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:19,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 23:19:19,144 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:19,147 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,147 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,148 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:19,150 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:19,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:19,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,180 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,180 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,181 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:19,181 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:19,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:19,208 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,208 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,208 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:19,239 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:19,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:19,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,269 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,270 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:19,272 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:19,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:19,302 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,302 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,302 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:19,304 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:19,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,330 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 [2020-11-29 23:19:19,332 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,332 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,333 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:19,334 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:19,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:19,373 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,373 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,373 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:19,375 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:19,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:19,408 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,408 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,408 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:19,411 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:19,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:19,448 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,448 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,448 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:19,451 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:19,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:19,488 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,488 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:19,489 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:19,490 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:19,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:19,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:19,517 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 [2020-11-29 23:19:19,531 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:19,531 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:19,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:19,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:19,531 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2020-11-29 23:19:19,531 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:20,717 INFO L401 nArgumentSynthesizer]: We have 320 Motzkin's Theorem applications. [2020-11-29 23:19:20,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:26,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,569 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:26,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,569 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 23:19:26,570 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 23:19:26,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 23:19:26,593 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,594 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 [2020-11-29 23:19:26,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,596 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,596 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:26,598 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:26,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,622 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 [2020-11-29 23:19:26,623 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,624 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,624 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:26,624 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:26,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:26,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:26,656 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,656 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,656 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,658 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:26,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:26,685 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,685 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,686 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:26,688 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:26,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:26,716 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,716 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,716 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:26,717 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:26,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:26,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,744 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,744 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:26,745 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:26,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:26,769 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,769 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,770 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:26,771 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:26,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:26,798 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,798 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,798 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:26,800 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:26,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:26,829 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,829 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,829 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:26,831 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:26,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:26,860 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,860 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:26,860 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:26,861 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:26,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:26,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:26,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:26,889 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:26,889 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:26,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:26,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:26,889 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2020-11-29 23:19:26,889 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:27,789 INFO L401 nArgumentSynthesizer]: We have 256 Motzkin's Theorem applications. [2020-11-29 23:19:27,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:29,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:29,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:29,273 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,273 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 23:19:29,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,273 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 23:19:29,274 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:19:29,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:29,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 23:19:29,299 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:29,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:29,303 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,303 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,303 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:29,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:29,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:29,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:29,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:29,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,338 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,339 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:29,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:29,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:29,343 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:29,368 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 [2020-11-29 23:19:29,370 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,370 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,370 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:29,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:29,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:29,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:29,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:29,432 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,432 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,432 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:29,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:29,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:29,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:29,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:29,483 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,483 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,484 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:29,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:29,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:29,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:29,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:29,516 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,516 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,516 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:29,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:29,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:29,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:29,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:29,550 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,550 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,550 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:29,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:29,553 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 [2020-11-29 23:19:29,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:19:29,607 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 [2020-11-29 23:19:29,609 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,610 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,610 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:29,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:29,614 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 [2020-11-29 23:19:29,623 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:29,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:29,663 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,663 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,663 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:29,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:29,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:29,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:19:29,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:29,699 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,699 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:29,700 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:29,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:29,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:29,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:29,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:29,731 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:29,731 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:29,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:29,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:29,732 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2020-11-29 23:19:29,732 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:30,788 INFO L401 nArgumentSynthesizer]: We have 384 Motzkin's Theorem applications. [2020-11-29 23:19:30,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:34,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:34,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:19:34,119 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 23:19:34,119 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 23:19:34,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:19:34,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:19:34,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:19:34,120 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 23:19:34,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:19:34,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:19:34,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 23:19:35,051 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 187 [2020-11-29 23:19:35,296 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-11-29 23:19:35,298 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:19:35,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:19:35,299 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:19:35,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:19:35,299 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:19:35,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:19:35,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:19:35,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:19:35,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.3.ufo.UNBOUNDED.pals.c_Iteration4_Lasso [2020-11-29 23:19:35,299 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:19:35,299 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:19:35,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,552 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-11-29 23:19:35,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:35,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:19:36,113 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-29 23:19:36,361 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-11-29 23:19:37,262 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-11-29 23:20:07,909 WARN L193 SmtUtils]: Spent 30.64 s on a formula simplification. DAG size of input: 608 DAG size of output: 160 [2020-11-29 23:20:08,105 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:20:08,106 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) [2020-11-29 23:20:08,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:20:08,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:20:08,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:20:08,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:20:08,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:20:08,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:20:08,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:20:08,133 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 [2020-11-29 23:20:08,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:20:08,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:20:08,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:20:08,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:20:08,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:20:08,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:20:08,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:20:08,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:20:08,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:20:08,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:20:08,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:20:08,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:20:08,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:20:08,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:20:08,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:20:08,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:20:08,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:20:08,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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) Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:20:08,216 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 [2020-11-29 23:20:08,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:20:08,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:20:08,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:20:08,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:20:08,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:20:08,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:20:08,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:20:08,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:20:08,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:20:08,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:20:08,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:20:08,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:20:08,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:20:08,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:20:08,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:20:08,279 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 [2020-11-29 23:20:08,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:20:08,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:20:08,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:20:08,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:20:08,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:20:08,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:20:08,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49313fe4-9312-4bbf-9157-3119623a2a35/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 [2020-11-29 23:20:08,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:20:08,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:20:08,306 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2020-11-29 23:20:08,306 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2020-11-29 23:20:08,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:20:37,055 INFO L401 nArgumentSynthesizer]: We have 9088 Motzkin's Theorem applications. [2020-11-29 23:20:37,055 INFO L402 nArgumentSynthesizer]: A total of 128 supporting invariants were added. [2020-11-29 23:21:12,097 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2020-11-29 23:21:12,097 FATAL L? ?]: A wrapped exception occured: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer threw an exception: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.tryTemplatesAndComputePredicates(LassoCheck.java:710) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:661) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:461) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:382) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lassoranker.termination.TerminationArgumentSynthesizer.do_synthesis(TerminationArgumentSynthesizer.java:408) at de.uni_freiburg.informatik.ultimate.lassoranker.ArgumentSynthesizer.synthesize(ArgumentSynthesizer.java:137) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.tryTemplate(LassoAnalysis.java:498) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.tryTemplatesAndComputePredicates(LassoCheck.java:695) ... 18 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 26 more [2020-11-29 23:21:12,099 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lassoranker.termination.TerminationArgumentSynthesizer.do_synthesis(TerminationArgumentSynthesizer.java:408) at de.uni_freiburg.informatik.ultimate.lassoranker.ArgumentSynthesizer.synthesize(ArgumentSynthesizer.java:137) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.tryTemplate(LassoAnalysis.java:498) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.tryTemplatesAndComputePredicates(LassoCheck.java:695) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:661) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:461) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:382) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 26 more [2020-11-29 23:21:12,101 INFO L168 Benchmark]: Toolchain (without parser) took 214739.23 ms. Allocated memory was 104.9 MB in the beginning and 9.2 GB in the end (delta: 9.1 GB). Free memory was 72.5 MB in the beginning and 8.3 GB in the end (delta: -8.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2020-11-29 23:21:12,101 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 73.4 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:21:12,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.55 ms. Allocated memory is still 104.9 MB. Free memory was 72.2 MB in the beginning and 79.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:21:12,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.09 ms. Allocated memory is still 104.9 MB. Free memory was 79.6 MB in the beginning and 77.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:21:12,102 INFO L168 Benchmark]: Boogie Preprocessor took 33.03 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 76.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:21:12,103 INFO L168 Benchmark]: RCFGBuilder took 661.07 ms. Allocated memory is still 104.9 MB. Free memory was 76.0 MB in the beginning and 48.7 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:21:12,103 INFO L168 Benchmark]: BuchiAutomizer took 213649.08 ms. Allocated memory was 104.9 MB in the beginning and 9.2 GB in the end (delta: 9.1 GB). Free memory was 48.7 MB in the beginning and 8.3 GB in the end (delta: -8.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2020-11-29 23:21:12,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 73.4 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 347.55 ms. Allocated memory is still 104.9 MB. Free memory was 72.2 MB in the beginning and 79.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.09 ms. Allocated memory is still 104.9 MB. Free memory was 79.6 MB in the beginning and 77.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.03 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 76.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 661.07 ms. Allocated memory is still 104.9 MB. Free memory was 76.0 MB in the beginning and 48.7 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 213649.08 ms. Allocated memory was 104.9 MB in the beginning and 9.2 GB in the end (delta: 9.1 GB). Free memory was 48.7 MB in the beginning and 8.3 GB in the end (delta: -8.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...