./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/array02-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/array02-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/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 2a421301cdbe97036a5fec0597ad83df33c3e561 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:52:02,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:02,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:02,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:02,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:02,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:02,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:02,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:02,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:02,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:02,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:02,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:02,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:02,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:02,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:02,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:02,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:02,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:02,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:02,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:02,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:02,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:02,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:02,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:02,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:02,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:02,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:02,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:02,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:02,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:02,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:02,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:02,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:02,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:02,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:02,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:02,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:02,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:02,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:02,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:02,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:02,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:52:02,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:02,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:02,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:02,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:02,103 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:02,103 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:52:02,103 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:52:02,103 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:52:02,104 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:52:02,104 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:52:02,104 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:52:02,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:02,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:52:02,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:52:02,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:02,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:52:02,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:52:02,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:52:02,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:52:02,106 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:52:02,106 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:02,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:52:02,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:02,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:02,107 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:52:02,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:02,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:52:02,108 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:52:02,109 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:52:02,109 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/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 -> 2a421301cdbe97036a5fec0597ad83df33c3e561 [2019-11-25 08:52:02,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:02,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:02,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:02,293 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:02,294 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:02,294 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/array02-alloca-1.i [2019-11-25 08:52:02,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/data/5faaa8e08/fe74d83a4e71403191d744189c83531d/FLAGac5a56843 [2019-11-25 08:52:02,822 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:02,823 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/sv-benchmarks/c/termination-memory-alloca/array02-alloca-1.i [2019-11-25 08:52:02,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/data/5faaa8e08/fe74d83a4e71403191d744189c83531d/FLAGac5a56843 [2019-11-25 08:52:03,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/data/5faaa8e08/fe74d83a4e71403191d744189c83531d [2019-11-25 08:52:03,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:03,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:52:03,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:03,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:03,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:03,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227bcf2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03, skipping insertion in model container [2019-11-25 08:52:03,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:03,227 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:03,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:03,526 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:52:03,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:03,637 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:52:03,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03 WrapperNode [2019-11-25 08:52:03,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:03,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:03,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:52:03,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:52:03,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:03,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:52:03,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:52:03,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:52:03,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:52:03,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:52:03,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:52:03,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:52:03,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:52:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:52:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:52:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:52:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:52:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:52:04,128 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:52:04,128 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-25 08:52:04,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:04 BoogieIcfgContainer [2019-11-25 08:52:04,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:52:04,130 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:52:04,130 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:52:04,133 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:52:04,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:52:04,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:52:03" (1/3) ... [2019-11-25 08:52:04,135 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d515902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:52:04, skipping insertion in model container [2019-11-25 08:52:04,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:52:04,135 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03" (2/3) ... [2019-11-25 08:52:04,135 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d515902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:52:04, skipping insertion in model container [2019-11-25 08:52:04,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:52:04,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:04" (3/3) ... [2019-11-25 08:52:04,137 INFO L371 chiAutomizerObserver]: Analyzing ICFG array02-alloca-1.i [2019-11-25 08:52:04,178 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:52:04,178 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:52:04,178 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:52:04,178 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:52:04,179 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:52:04,179 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:52:04,179 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:52:04,179 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:52:04,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-25 08:52:04,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-25 08:52:04,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:04,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:04,220 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:52:04,220 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:52:04,220 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:52:04,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-25 08:52:04,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-25 08:52:04,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:04,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:04,223 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:52:04,223 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:52:04,230 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 6#L565true assume !(main_~array_size~0 < 1); 9#L565-2true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 16#L552-3true [2019-11-25 08:52:04,230 INFO L796 eck$LassoCheckResult]: Loop: 16#L552-3true assume !!(test_fun_~i~0 < test_fun_~N); 13#L553-3true assume !true; 5#L557-2true assume !true; 14#L552-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 16#L552-3true [2019-11-25 08:52:04,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:04,236 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-25 08:52:04,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:04,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798138747] [2019-11-25 08:52:04,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:04,363 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:04,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:04,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1459151, now seen corresponding path program 1 times [2019-11-25 08:52:04,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:04,365 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26548465] [2019-11-25 08:52:04,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:04,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:04,391 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26548465] [2019-11-25 08:52:04,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:04,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:52:04,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121141056] [2019-11-25 08:52:04,396 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:52:04,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:04,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:52:04,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:52:04,410 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-25 08:52:04,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:04,415 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2019-11-25 08:52:04,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:52:04,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2019-11-25 08:52:04,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-25 08:52:04,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 13 transitions. [2019-11-25 08:52:04,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-25 08:52:04,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-25 08:52:04,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2019-11-25 08:52:04,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:52:04,422 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-25 08:52:04,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2019-11-25 08:52:04,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-25 08:52:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-25 08:52:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-25 08:52:04,444 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-25 08:52:04,445 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-25 08:52:04,445 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:52:04,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-11-25 08:52:04,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-25 08:52:04,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:04,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:04,446 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:52:04,446 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:52:04,447 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 36#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 37#L565 assume !(main_~array_size~0 < 1); 39#L565-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 40#L552-3 [2019-11-25 08:52:04,447 INFO L796 eck$LassoCheckResult]: Loop: 40#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 43#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 41#L553-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 42#L557-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 44#L557 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 45#L552-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 40#L552-3 [2019-11-25 08:52:04,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:04,447 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2019-11-25 08:52:04,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:04,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213518967] [2019-11-25 08:52:04,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:04,470 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:04,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:04,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1395295349, now seen corresponding path program 1 times [2019-11-25 08:52:04,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:04,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302467738] [2019-11-25 08:52:04,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:04,491 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:04,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:04,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1896732327, now seen corresponding path program 1 times [2019-11-25 08:52:04,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:04,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416491292] [2019-11-25 08:52:04,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:04,531 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:04,847 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-11-25 08:52:04,954 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-11-25 08:52:04,965 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:52:04,966 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:52:04,966 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:52:04,966 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:52:04,967 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:52:04,967 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:04,967 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:52:04,967 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:52:04,967 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-1.i_Iteration2_Lasso [2019-11-25 08:52:04,968 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:52:04,968 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:52:05,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,244 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-11-25 08:52:05,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:05,712 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:52:05,719 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:05,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:05,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:05,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:05,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:05,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:05,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:05,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:05,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:05,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:05,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:05,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:05,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:05,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:05,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:05,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:05,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:05,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:05,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:05,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:05,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:05,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:05,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:05,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:05,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:05,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:05,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:05,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/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) [2019-11-25 08:52:05,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:05,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:05,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:05,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:05,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:05,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:05,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:05,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:05,846 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 [2019-11-25 08:52:05,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:05,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:05,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:05,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:05,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:05,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:05,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:05,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:05,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:05,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:05,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:05,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:05,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:05,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:05,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:05,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:05,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:05,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:05,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:05,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:05,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:05,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:05,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:05,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:05,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:05,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:05,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:05,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:05,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:05,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:05,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:05,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:05,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:05,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:05,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:05,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:05,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:05,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:05,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:05,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:05,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:05,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:05,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:05,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:05,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:05,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:05,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:05,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:05,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:05,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:05,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:06,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:06,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:06,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:06,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:06,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:06,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:06,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:06,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:06,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:06,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:06,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:06,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:06,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:06,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:06,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:06,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:06,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:06,038 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 [2019-11-25 08:52:06,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:06,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:06,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:06,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:06,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:06,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:06,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:06,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:06,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:06,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:06,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:06,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:06,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:06,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:06,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:06,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:06,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:06,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:06,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:06,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:06,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:06,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:06,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:06,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:06,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:06,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:06,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:06,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:06,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:06,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:06,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:06,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:06,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:06,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:06,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:06,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:06,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:06,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:06,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:06,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:06,162 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:52:06,314 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-25 08:52:06,314 INFO L444 ModelExtractionUtils]: 25 out of 34 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/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) [2019-11-25 08:52:06,334 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:06,337 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:52:06,338 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:52:06,339 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~a.offset, v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1, ULTIMATE.start_test_fun_~i~0) = -1*ULTIMATE.start_test_fun_~a.offset + 1*v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1 - 4*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2019-11-25 08:52:06,360 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-25 08:52:06,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:52:06,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:06,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:06,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:06,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:52:06,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:06,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:06,464 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:52:06,465 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-11-25 08:52:06,516 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 18 states and 24 transitions. Complement of second has 6 states. [2019-11-25 08:52:06,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:52:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-25 08:52:06,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 6 letters. [2019-11-25 08:52:06,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:06,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2019-11-25 08:52:06,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:06,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 12 letters. [2019-11-25 08:52:06,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:06,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2019-11-25 08:52:06,523 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:52:06,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 17 states and 23 transitions. [2019-11-25 08:52:06,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-25 08:52:06,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-25 08:52:06,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2019-11-25 08:52:06,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:52:06,524 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-25 08:52:06,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2019-11-25 08:52:06,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2019-11-25 08:52:06,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-25 08:52:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2019-11-25 08:52:06,530 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-25 08:52:06,531 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-25 08:52:06,531 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:52:06,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2019-11-25 08:52:06,533 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:52:06,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:06,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:06,534 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:52:06,534 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:52:06,534 INFO L794 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 129#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 130#L565 assume !(main_~array_size~0 < 1); 132#L565-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 133#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 136#L553-3 [2019-11-25 08:52:06,534 INFO L796 eck$LassoCheckResult]: Loop: 136#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 134#L553-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 136#L553-3 [2019-11-25 08:52:06,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:06,535 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2019-11-25 08:52:06,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:06,535 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493086787] [2019-11-25 08:52:06,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:06,584 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:06,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:06,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 1 times [2019-11-25 08:52:06,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:06,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333356268] [2019-11-25 08:52:06,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:06,609 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:06,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:06,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2019-11-25 08:52:06,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:06,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355687779] [2019-11-25 08:52:06,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:06,638 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:06,834 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-11-25 08:52:06,911 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:52:06,911 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:52:06,911 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:52:06,911 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:52:06,911 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:52:06,911 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:06,911 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:52:06,911 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:52:06,912 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-1.i_Iteration3_Lasso [2019-11-25 08:52:06,912 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:52:06,912 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:52:06,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:06,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:07,082 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-11-25 08:52:07,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:07,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:07,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:07,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:07,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:07,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:07,499 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:52:07,499 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/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) [2019-11-25 08:52:07,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:07,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:07,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:07,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:07,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:07,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:07,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:07,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:07,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:07,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:07,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:07,587 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 [2019-11-25 08:52:07,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:07,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:07,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:07,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:07,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:07,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:07,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:07,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:07,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:07,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:07,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:07,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:07,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:07,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:07,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:07,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:07,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:07,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:07,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:07,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:07,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:07,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:07,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:07,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:07,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:07,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:07,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:07,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:07,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:07,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:07,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,742 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:52:07,745 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-25 08:52:07,745 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:07,749 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:52:07,750 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:52:07,750 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:52:07,750 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:07,765 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-25 08:52:07,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:52:07,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:07,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:07,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:07,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:52:07,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:07,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:07,838 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:52:07,838 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-25 08:52:07,872 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 32 states and 42 transitions. Complement of second has 7 states. [2019-11-25 08:52:07,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:07,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:52:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-11-25 08:52:07,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-25 08:52:07,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:07,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-25 08:52:07,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:07,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-25 08:52:07,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:07,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2019-11-25 08:52:07,876 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:52:07,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 37 transitions. [2019-11-25 08:52:07,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-25 08:52:07,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-25 08:52:07,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 37 transitions. [2019-11-25 08:52:07,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:52:07,878 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-25 08:52:07,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 37 transitions. [2019-11-25 08:52:07,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2019-11-25 08:52:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 08:52:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2019-11-25 08:52:07,881 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-11-25 08:52:07,881 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-11-25 08:52:07,881 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:52:07,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2019-11-25 08:52:07,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:52:07,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:07,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:07,883 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:07,883 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:52:07,883 INFO L794 eck$LassoCheckResult]: Stem: 237#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 233#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 234#L565 assume !(main_~array_size~0 < 1); 235#L565-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 236#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 251#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 238#L553-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 239#L557-2 [2019-11-25 08:52:07,884 INFO L796 eck$LassoCheckResult]: Loop: 239#L557-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 242#L557 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem8;havoc test_fun_#t~post9;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 239#L557-2 [2019-11-25 08:52:07,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:07,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818447, now seen corresponding path program 1 times [2019-11-25 08:52:07,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:07,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354481671] [2019-11-25 08:52:07,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:07,904 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:07,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:07,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 1 times [2019-11-25 08:52:07,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:07,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256760352] [2019-11-25 08:52:07,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:07,916 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:07,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:07,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1185741076, now seen corresponding path program 1 times [2019-11-25 08:52:07,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:07,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487549953] [2019-11-25 08:52:07,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:07,961 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:08,198 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-11-25 08:52:08,252 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:52:08,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:52:08,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:52:08,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:52:08,252 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:52:08,252 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,252 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:52:08,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:52:08,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-1.i_Iteration4_Lasso [2019-11-25 08:52:08,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:52:08,253 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:52:08,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,418 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2019-11-25 08:52:08,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:08,756 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:52:08,756 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:08,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:08,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:08,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:08,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:08,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:08,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:08,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:08,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:08,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:08,791 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:08,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:08,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:08,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:08,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:08,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,836 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 [2019-11-25 08:52:08,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:08,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:08,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:08,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:08,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:08,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:08,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:08,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:08,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:08,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:08,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:08,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:08,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:08,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:08,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:08,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:08,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/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) [2019-11-25 08:52:08,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:08,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:08,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:08,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:08,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:08,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:08,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:08,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:08,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:08,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:08,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:08,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:08,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:08,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:08,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:08,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:08,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:08,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:08,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:08,977 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:52:08,996 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-25 08:52:08,996 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:09,002 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,005 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:52:09,006 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:52:09,006 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_3 Supporting invariants [] [2019-11-25 08:52:09,016 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-25 08:52:09,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:52:09,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:09,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:09,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:09,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:52:09,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:09,068 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:52:09,068 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 31 transitions. cyclomatic complexity: 14 Second operand 3 states. [2019-11-25 08:52:09,093 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 31 transitions. cyclomatic complexity: 14. Second operand 3 states. Result 31 states and 42 transitions. Complement of second has 7 states. [2019-11-25 08:52:09,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:09,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:52:09,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-11-25 08:52:09,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-25 08:52:09,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:09,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-25 08:52:09,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:09,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-25 08:52:09,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:09,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 42 transitions. [2019-11-25 08:52:09,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:52:09,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 22 states and 29 transitions. [2019-11-25 08:52:09,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-25 08:52:09,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-25 08:52:09,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 29 transitions. [2019-11-25 08:52:09,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:52:09,099 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2019-11-25 08:52:09,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 29 transitions. [2019-11-25 08:52:09,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2019-11-25 08:52:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-25 08:52:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2019-11-25 08:52:09,101 INFO L711 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2019-11-25 08:52:09,101 INFO L591 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2019-11-25 08:52:09,102 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:52:09,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2019-11-25 08:52:09,102 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:52:09,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:09,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:09,103 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:09,103 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:52:09,103 INFO L794 eck$LassoCheckResult]: Stem: 355#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 353#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 354#L565 assume !(main_~array_size~0 < 1); 356#L565-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 357#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 362#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 373#L553-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 372#L557-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 364#L557 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 365#L552-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 366#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 360#L553-3 [2019-11-25 08:52:09,103 INFO L796 eck$LassoCheckResult]: Loop: 360#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 358#L553-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 360#L553-3 [2019-11-25 08:52:09,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:09,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1330840024, now seen corresponding path program 2 times [2019-11-25 08:52:09,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:09,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001270070] [2019-11-25 08:52:09,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:09,127 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:09,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:09,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 2 times [2019-11-25 08:52:09,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:09,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625550334] [2019-11-25 08:52:09,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:09,137 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:09,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:09,138 INFO L82 PathProgramCache]: Analyzing trace with hash -962990435, now seen corresponding path program 1 times [2019-11-25 08:52:09,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:09,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671245423] [2019-11-25 08:52:09,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:09,175 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:09,353 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-11-25 08:52:09,405 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:52:09,405 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:52:09,405 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:52:09,405 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:52:09,405 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:52:09,405 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,405 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:52:09,405 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:52:09,405 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-1.i_Iteration5_Lasso [2019-11-25 08:52:09,406 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:52:09,406 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:52:09,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:09,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Exception during sending of exit command (exit): Stream closed [2019-11-25 08:52:09,839 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:52:09,840 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:09,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:09,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:09,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:09,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:09,859 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:09,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:09,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:09,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:09,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:09,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:09,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:09,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:09,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:09,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:09,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:09,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:09,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:09,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:09,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:09,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:09,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:09,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:09,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:09,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:09,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:09,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:09,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:09,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:09,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:09,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:09,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:09,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:09,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:09,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:09,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:09,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:09,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:10,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:10,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:10,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:10,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:10,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:10,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,040 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 [2019-11-25 08:52:10,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:10,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:10,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:10,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:10,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:52:10,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:10,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:10,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:10,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:10,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:10,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:10,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:10,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:10,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:10,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:52:10,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:10,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:10,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:10,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:52:10,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,173 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:52:10,175 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-25 08:52:10,175 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:10,182 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:52:10,182 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:52:10,183 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:52:10,183 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_2 Supporting invariants [] Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,193 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-25 08:52:10,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:52:10,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:10,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:10,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:10,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:52:10,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:10,237 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:52:10,237 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12 Second operand 3 states. [2019-11-25 08:52:10,264 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12. Second operand 3 states. Result 31 states and 39 transitions. Complement of second has 7 states. [2019-11-25 08:52:10,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:52:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-11-25 08:52:10,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-25 08:52:10,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:10,266 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:52:10,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:10,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:10,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:10,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:52:10,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:10,313 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:52:10,313 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12 Second operand 3 states. [2019-11-25 08:52:10,337 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12. Second operand 3 states. Result 31 states and 39 transitions. Complement of second has 7 states. [2019-11-25 08:52:10,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:10,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:52:10,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-11-25 08:52:10,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-25 08:52:10,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:10,339 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:52:10,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:10,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:10,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:10,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:52:10,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:10,385 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:52:10,385 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12 Second operand 3 states. [2019-11-25 08:52:10,417 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12. Second operand 3 states. Result 42 states and 53 transitions. Complement of second has 6 states. [2019-11-25 08:52:10,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:10,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:52:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-11-25 08:52:10,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-25 08:52:10,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:10,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-25 08:52:10,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:10,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 11 letters. Loop has 4 letters. [2019-11-25 08:52:10,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:10,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2019-11-25 08:52:10,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:52:10,422 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 32 states and 42 transitions. [2019-11-25 08:52:10,422 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-25 08:52:10,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-25 08:52:10,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 42 transitions. [2019-11-25 08:52:10,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:52:10,423 INFO L688 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2019-11-25 08:52:10,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 42 transitions. [2019-11-25 08:52:10,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 24. [2019-11-25 08:52:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-25 08:52:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2019-11-25 08:52:10,425 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-25 08:52:10,425 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-11-25 08:52:10,425 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:52:10,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 32 transitions. [2019-11-25 08:52:10,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:52:10,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:52:10,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:52:10,427 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:10,427 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:52:10,427 INFO L794 eck$LassoCheckResult]: Stem: 654#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 652#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 653#L565 assume !(main_~array_size~0 < 1); 655#L565-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 656#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 666#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 667#L553-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 663#L557-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 674#L557 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 669#L552-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 670#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 664#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 657#L553-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 658#L557-2 [2019-11-25 08:52:10,428 INFO L796 eck$LassoCheckResult]: Loop: 658#L557-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 661#L557 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem8;havoc test_fun_#t~post9;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 658#L557-2 [2019-11-25 08:52:10,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:10,428 INFO L82 PathProgramCache]: Analyzing trace with hash -962990437, now seen corresponding path program 3 times [2019-11-25 08:52:10,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:10,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313557958] [2019-11-25 08:52:10,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:10,455 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:10,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:10,456 INFO L82 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 2 times [2019-11-25 08:52:10,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:10,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226077568] [2019-11-25 08:52:10,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:10,463 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:10,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:10,464 INFO L82 PathProgramCache]: Analyzing trace with hash -2015840224, now seen corresponding path program 1 times [2019-11-25 08:52:10,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:10,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035581391] [2019-11-25 08:52:10,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:10,487 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:10,669 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-11-25 08:52:10,724 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:52:10,724 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:52:10,724 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:52:10,724 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:52:10,724 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:52:10,724 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:10,724 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:52:10,724 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:52:10,724 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-1.i_Iteration6_Lasso [2019-11-25 08:52:10,725 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:52:10,725 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:52:10,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:10,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:52:11,177 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:52:11,177 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:11,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:11,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:11,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:11,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:11,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:11,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:11,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:11,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:11,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:11,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:11,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:11,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:11,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:11,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:11,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:11,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:52:11,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:11,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:11,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:11,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:11,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:11,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:11,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:11,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:11,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:11,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:11,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:11,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:11,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:11,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:11,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:11,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:11,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:11,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:11,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:11,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:11,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:11,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:11,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:11,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:11,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:11,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:11,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:11,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:11,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:11,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:11,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:11,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:11,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:52:11,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:52:11,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:52:11,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:52:11,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:52:11,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:52:11,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:52:11,275 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:52:11,282 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-25 08:52:11,282 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ea1f283-1123-4547-aade-325046f726f8/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:52:11,285 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:52:11,287 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:52:11,287 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:52:11,287 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_3 Supporting invariants [] [2019-11-25 08:52:11,294 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-25 08:52:11,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:52:11,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:11,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:11,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:11,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:52:11,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:11,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:11,342 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:52:11,342 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-11-25 08:52:11,357 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 28 states and 36 transitions. Complement of second has 7 states. [2019-11-25 08:52:11,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:52:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-11-25 08:52:11,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-25 08:52:11,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:11,358 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:52:11,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:11,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:11,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:11,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:52:11,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:11,393 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:52:11,393 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-11-25 08:52:11,404 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 28 states and 36 transitions. Complement of second has 7 states. [2019-11-25 08:52:11,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:52:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-11-25 08:52:11,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-25 08:52:11,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:11,405 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:52:11,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:11,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:52:11,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:11,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:52:11,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:11,441 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:52:11,442 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-11-25 08:52:11,455 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 30 states and 40 transitions. Complement of second has 6 states. [2019-11-25 08:52:11,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:52:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:52:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-11-25 08:52:11,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-25 08:52:11,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:11,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-25 08:52:11,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:11,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 13 letters. Loop has 4 letters. [2019-11-25 08:52:11,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:52:11,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2019-11-25 08:52:11,459 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:52:11,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2019-11-25 08:52:11,459 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:52:11,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:52:11,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:52:11,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:52:11,459 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:11,459 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:11,459 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:11,459 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:52:11,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:52:11,460 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:52:11,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:52:11,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:52:11 BoogieIcfgContainer [2019-11-25 08:52:11,465 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:52:11,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:11,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:11,466 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:11,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:04" (3/4) ... [2019-11-25 08:52:11,469 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:52:11,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:11,470 INFO L168 Benchmark]: Toolchain (without parser) took 8317.59 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 234.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -204.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,471 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:11,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:11,472 INFO L168 Benchmark]: Boogie Preprocessor took 26.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,472 INFO L168 Benchmark]: RCFGBuilder took 410.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,472 INFO L168 Benchmark]: BuchiAutomizer took 7335.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -44.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,473 INFO L168 Benchmark]: Witness Printer took 4.14 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:11,474 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 410.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7335.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -44.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.14 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (1 trivial, 3 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * a + unknown-#length-unknown[a] + -4 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 6.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 24 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 94 SDslu, 9 SDs, 0 SdLazy, 105 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital153 mio100 ax111 hnf99 lsp80 ukn75 mio100 lsp54 div100 bol100 ite100 ukn100 eq177 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: 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...