./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9382426e0298eea8efda3bbcf0c2ed9d078bc5a4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:25:43,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:25:43,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:25:44,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:25:44,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:25:44,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:25:44,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:25:44,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:25:44,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:25:44,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:25:44,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:25:44,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:25:44,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:25:44,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:25:44,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:25:44,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:25:44,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:25:44,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:25:44,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:25:44,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:25:44,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:25:44,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:25:44,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:25:44,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:25:44,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:25:44,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:25:44,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:25:44,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:25:44,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:25:44,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:25:44,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:25:44,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:25:44,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:25:44,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:25:44,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:25:44,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:25:44,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:25:44,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:25:44,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:25:44,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:25:44,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:25:44,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 01:25:44,153 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:25:44,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:25:44,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:25:44,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:25:44,157 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:25:44,157 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:25:44,157 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:25:44,158 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:25:44,158 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:25:44,159 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:25:44,159 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:25:44,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:25:44,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:25:44,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:25:44,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:25:44,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:25:44,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:25:44,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:25:44,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:25:44,162 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:25:44,163 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:25:44,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:25:44,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:25:44,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:25:44,164 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:25:44,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:25:44,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:25:44,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:25:44,166 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:25:44,167 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:25:44,168 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_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9382426e0298eea8efda3bbcf0c2ed9d078bc5a4 [2020-11-30 01:25:44,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:25:44,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:25:44,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:25:44,595 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:25:44,596 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:25:44,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2020-11-30 01:25:44,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/data/56f56973e/2b3af5f7be4641c09fd04e06ff073517/FLAG23e6d903f [2020-11-30 01:25:45,404 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:25:45,406 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2020-11-30 01:25:45,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/data/56f56973e/2b3af5f7be4641c09fd04e06ff073517/FLAG23e6d903f [2020-11-30 01:25:45,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/data/56f56973e/2b3af5f7be4641c09fd04e06ff073517 [2020-11-30 01:25:45,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:25:45,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:25:45,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:25:45,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:25:45,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:25:45,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:25:45" (1/1) ... [2020-11-30 01:25:45,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5718bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:45, skipping insertion in model container [2020-11-30 01:25:45,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:25:45" (1/1) ... [2020-11-30 01:25:45,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:25:45,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:25:46,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:25:46,111 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:25:46,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:25:46,176 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:25:46,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46 WrapperNode [2020-11-30 01:25:46,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:25:46,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:25:46,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:25:46,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:25:46,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (1/1) ... [2020-11-30 01:25:46,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (1/1) ... [2020-11-30 01:25:46,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:25:46,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:25:46,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:25:46,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:25:46,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (1/1) ... [2020-11-30 01:25:46,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (1/1) ... [2020-11-30 01:25:46,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (1/1) ... [2020-11-30 01:25:46,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (1/1) ... [2020-11-30 01:25:46,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (1/1) ... [2020-11-30 01:25:46,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (1/1) ... [2020-11-30 01:25:46,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (1/1) ... [2020-11-30 01:25:46,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:25:46,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:25:46,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:25:46,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:25:46,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:25:46,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:25:46,520 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:25:46,520 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 01:25:46,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:25:46 BoogieIcfgContainer [2020-11-30 01:25:46,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:25:46,524 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:25:46,524 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:25:46,533 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:25:46,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:25:46,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:25:45" (1/3) ... [2020-11-30 01:25:46,538 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cf15221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:25:46, skipping insertion in model container [2020-11-30 01:25:46,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:25:46,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:25:46" (2/3) ... [2020-11-30 01:25:46,539 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cf15221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:25:46, skipping insertion in model container [2020-11-30 01:25:46,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:25:46,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:25:46" (3/3) ... [2020-11-30 01:25:46,541 INFO L373 chiAutomizerObserver]: Analyzing ICFG Bangalore_v4.c [2020-11-30 01:25:46,624 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:25:46,624 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:25:46,624 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:25:46,624 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:25:46,625 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:25:46,625 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:25:46,625 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:25:46,625 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:25:46,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-30 01:25:46,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 01:25:46,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:25:46,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:25:46,671 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 01:25:46,671 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 01:25:46,672 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:25:46,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-30 01:25:46,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 01:25:46,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:25:46,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:25:46,675 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 01:25:46,675 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 01:25:46,684 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L16true assume main_~y~0 > main_~x~0; 3#L17-2true [2020-11-30 01:25:46,685 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0; 3#L17-2true [2020-11-30 01:25:46,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:25:46,695 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2020-11-30 01:25:46,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:25:46,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862842198] [2020-11-30 01:25:46,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:25:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:25:46,827 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:25:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:25:46,846 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:25:46,868 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:25:46,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:25:46,874 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2020-11-30 01:25:46,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:25:46,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819882270] [2020-11-30 01:25:46,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:25:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:25:46,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:25:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:25:46,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:25:46,911 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:25:46,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:25:46,927 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2020-11-30 01:25:46,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:25:46,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895746138] [2020-11-30 01:25:46,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:25:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:25:46,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:25:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:25:46,958 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:25:46,964 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:25:47,092 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-30 01:25:47,217 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:25:47,218 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:25:47,218 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:25:47,219 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:25:47,219 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 01:25:47,219 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:47,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:25:47,220 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:25:47,220 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4.c_Iteration1_Lasso [2020-11-30 01:25:47,220 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:25:47,220 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:25:47,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:47,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:47,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:47,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:47,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:47,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:47,432 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:25:47,434 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:47,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:25:47,447 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 [2020-11-30 01:25:47,458 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:25:47,458 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:47,517 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:25:47,518 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 [2020-11-30 01:25:47,526 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:25:47,527 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:47,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:25:47,582 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 [2020-11-30 01:25:47,588 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:25:47,589 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:47,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:25:47,639 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:47,645 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:25:47,645 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:47,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:25:47,694 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:47,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 01:25:47,732 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 01:25:47,863 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 01:25:47,866 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:25:47,866 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:25:47,866 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:25:47,867 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:25:47,867 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:25:47,867 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:47,867 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:25:47,867 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:25:47,867 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4.c_Iteration1_Lasso [2020-11-30 01:25:47,868 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:25:47,868 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:25:47,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:47,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:47,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:48,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:48,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:48,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:25:48,255 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:25:48,263 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:48,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:48,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:48,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:25:48,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:25:48,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:48,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:48,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:48,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:25:48,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:25:48,357 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 [2020-11-30 01:25:48,361 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:48,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:48,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:48,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:25:48,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:25:48,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:25:48,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:48,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:48,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:48,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:25:48,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:25:48,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:25:48,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:48,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:48,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:25:48,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:25:48,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:25:48,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:48,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:48,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:25:48,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:25:48,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:25:48,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:25:48,631 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:48,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:48,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,638 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:48,643 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:25:48,643 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 01:25:48,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:48,696 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 [2020-11-30 01:25:48,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:48,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,700 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:48,701 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:25:48,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:25:48,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:48,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:48,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:48,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,771 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:48,773 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:25:48,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:48,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:48,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:48,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:48,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,840 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:48,841 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:25:48,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:25:48,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:48,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:48,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,887 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:48,894 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:25:48,894 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 01:25:48,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:48,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:48,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:48,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:48,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:48,951 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:48,961 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:25:48,961 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 01:25:48,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:25:49,019 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:49,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,042 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:49,055 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:25:49,055 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:49,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:49,131 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 [2020-11-30 01:25:49,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:49,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,135 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:49,138 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:25:49,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:25:49,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,197 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 [2020-11-30 01:25:49,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:49,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,201 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:49,230 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:25:49,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:49,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:49,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:49,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,291 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:49,292 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:25:49,292 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 [2020-11-30 01:25:49,313 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:49,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,366 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:49,374 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:25:49,374 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:49,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:49,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,446 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:49,451 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:25:49,452 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:49,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:25:49,508 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,513 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 [2020-11-30 01:25:49,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,516 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:49,523 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:25:49,523 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:49,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:49,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:49,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,591 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:49,592 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:25:49,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:49,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,654 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 [2020-11-30 01:25:49,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:49,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,658 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:49,660 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:25:49,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:49,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:49,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:49,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,722 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:49,724 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:25:49,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:49,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:49,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,781 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:49,790 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:25:49,790 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:49,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:49,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:49,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:25:49,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,843 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:49,849 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:25:49,849 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 01:25:49,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:25:49,908 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:49,917 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:49,917 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:49,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,918 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:49,922 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:25:49,922 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:49,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:49,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:49,985 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:49,985 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:49,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:49,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:49,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:49,986 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:49,987 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:25:49,987 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 [2020-11-30 01:25:49,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,042 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,042 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:50,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:50,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,043 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:50,044 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:25:50,044 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 [2020-11-30 01:25:50,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,101 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,101 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:50,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:50,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,102 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:50,103 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:25:50,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,157 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,158 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:50,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,158 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:50,164 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:25:50,165 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 01:25:50,178 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,224 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,224 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:50,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,225 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:25:50,229 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:25:50,229 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:25:50,295 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,306 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,307 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:25:50,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,307 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:50,313 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:25:50,313 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:25:50,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,382 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:25:50,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:50,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,383 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:50,384 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:25:50,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,447 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 [2020-11-30 01:25:50,450 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,450 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:25:50,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:50,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,451 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:50,453 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:25:50,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,511 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:25:50,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:50,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,512 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:50,514 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:25:50,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,572 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,573 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:25:50,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,573 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:50,581 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:25:50,581 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:50,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,652 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,652 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:25:50,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,653 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:50,658 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:25:50,658 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:25:50,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:25:50,714 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:50,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,721 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,721 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:50,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,722 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:50,728 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:25:50,728 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 01:25:50,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,802 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,803 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:50,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:50,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,803 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:50,805 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:25:50,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:50,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,849 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,849 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:50,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:50,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,850 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:50,852 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:25:50,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:25:50,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:50,925 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,926 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:50,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:50,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,926 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:50,933 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:25:50,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:50,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:50,998 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:50,998 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:50,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:50,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:50,999 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:51,008 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:25:51,008 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 01:25:51,037 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:51,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,094 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:51,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,095 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:25:51,100 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:25:51,101 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:51,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:25:51,160 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:51,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,168 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,168 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:51,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,169 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:51,173 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:25:51,173 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:51,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:51,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,212 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,212 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:51,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:51,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,213 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:51,214 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:25:51,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:25:51,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:51,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,251 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,251 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:51,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:51,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,252 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:51,253 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:25:51,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:25:51,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:51,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,298 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:51,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:51,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,299 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:51,300 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:25:51,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:25:51,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:51,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,350 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,350 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:51,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,351 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:51,356 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:25:51,356 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:25:51,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:51,406 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 [2020-11-30 01:25:51,408 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,408 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:25:51,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,409 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:25:51,412 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:25:51,412 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:25:51,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:25:51,458 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:51,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,464 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,465 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:51,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,465 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:25:51,471 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 01:25:51,471 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-30 01:25:51,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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 [2020-11-30 01:25:51,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,530 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,530 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:51,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:51,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,531 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:25:51,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:25:51,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:25:51,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:51,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,571 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,571 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:51,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:51,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,572 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:25:51,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:25:51,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:51,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:51,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,658 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,658 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:51,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:25:51,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,659 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:25:51,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:25:51,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:51,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:51,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,723 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,723 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:51,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,724 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:25:51,732 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 01:25:51,733 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:51,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/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) [2020-11-30 01:25:51,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:25:51,810 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:25:51,810 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:25:51,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:25:51,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:25:51,811 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:25:51,816 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 01:25:51,816 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:25:51,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:25:51,875 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-11-30 01:25:51,875 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L16true assume main_~y~0 > main_~x~0; 3#L17-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0; 3#L17-2true [2020-11-30 01:25:51,875 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0; 3#L17-2true [2020-11-30 01:25:51,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:25:51,877 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 2 times [2020-11-30 01:25:51,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:25:51,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755980561] [2020-11-30 01:25:51,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:25:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:25:51,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:25:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:25:51,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:25:51,909 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:25:51,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:25:51,911 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 2 times [2020-11-30 01:25:51,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:25:51,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144797877] [2020-11-30 01:25:51,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:25:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:25:51,925 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:25:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:25:51,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:25:51,943 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:25:51,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:25:51,946 INFO L82 PathProgramCache]: Analyzing trace with hash 957572, now seen corresponding path program 3 times [2020-11-30 01:25:51,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:25:51,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916358259] [2020-11-30 01:25:51,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:25:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:25:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:25:52,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916358259] [2020-11-30 01:25:52,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344869017] [2020-11-30 01:25:52,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef6f6523-8b79-4be6-b2cd-7da1d4692a58/bin/uautomizer/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:25:52,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-11-30 01:25:52,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:25:52,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:25:52,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:25:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:25:52,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:25:52,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-11-30 01:25:52,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591246201] [2020-11-30 01:25:52,298 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-30 01:25:52,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:25:52,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:25:52,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:25:52,374 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2020-11-30 01:25:52,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:25:52,462 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-11-30 01:25:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:25:52,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2020-11-30 01:25:52,468 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:25:52,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-11-30 01:25:52,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:25:52,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:25:52,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:25:52,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:25:52,475 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:25:52,475 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:25:52,475 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:25:52,475 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:25:52,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:25:52,476 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:25:52,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:25:52,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:25:52 BoogieIcfgContainer [2020-11-30 01:25:52,481 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:25:52,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:25:52,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:25:52,485 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:25:52,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:25:46" (3/4) ... [2020-11-30 01:25:52,490 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:25:52,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:25:52,491 INFO L168 Benchmark]: Toolchain (without parser) took 6702.95 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 62.1 MB in the beginning and 103.5 MB in the end (delta: -41.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:25:52,492 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 51.6 MB in the beginning and 51.5 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:25:52,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.98 ms. Allocated memory is still 92.3 MB. Free memory was 61.9 MB in the beginning and 72.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:25:52,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.74 ms. Allocated memory is still 92.3 MB. Free memory was 72.1 MB in the beginning and 71.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:25:52,494 INFO L168 Benchmark]: Boogie Preprocessor took 27.37 ms. Allocated memory is still 92.3 MB. Free memory was 71.0 MB in the beginning and 70.2 MB in the end (delta: 826.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:25:52,495 INFO L168 Benchmark]: RCFGBuilder took 260.72 ms. Allocated memory is still 92.3 MB. Free memory was 69.8 MB in the beginning and 62.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:25:52,495 INFO L168 Benchmark]: BuchiAutomizer took 5956.82 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 61.8 MB in the beginning and 104.5 MB in the end (delta: -42.7 MB). Peak memory consumption was 2.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:25:52,497 INFO L168 Benchmark]: Witness Printer took 5.85 ms. Allocated memory is still 134.2 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:25:52,507 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 51.6 MB in the beginning and 51.5 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 385.98 ms. Allocated memory is still 92.3 MB. Free memory was 61.9 MB in the beginning and 72.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.74 ms. Allocated memory is still 92.3 MB. Free memory was 72.1 MB in the beginning and 71.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.37 ms. Allocated memory is still 92.3 MB. Free memory was 71.0 MB in the beginning and 70.2 MB in the end (delta: 826.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 260.72 ms. Allocated memory is still 92.3 MB. Free memory was 69.8 MB in the beginning and 62.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5956.82 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 61.8 MB in the beginning and 104.5 MB in the end (delta: -42.7 MB). Peak memory consumption was 2.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.85 ms. Allocated memory is still 134.2 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 7 SDslu, 6 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...