./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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 2618f63f0acd986074ff563fe806d4dc698d3d84 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:44:40,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:44:40,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:44:40,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:44:40,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:44:40,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:44:40,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:44:40,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:44:40,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:44:40,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:44:40,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:44:40,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:44:40,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:44:40,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:44:40,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:44:40,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:44:40,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:44:40,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:44:40,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:44:40,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:44:40,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:44:40,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:44:40,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:44:40,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:44:40,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:44:40,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:44:40,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:44:40,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:44:40,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:44:40,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:44:40,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:44:40,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:44:40,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:44:40,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:44:40,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:44:40,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:44:40,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:44:40,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:44:40,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:44:40,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:44:40,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:44:40,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 16:44:40,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:44:40,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:44:40,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:44:40,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:44:40,706 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:44:40,706 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 16:44:40,706 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 16:44:40,706 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 16:44:40,706 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 16:44:40,706 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 16:44:40,706 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 16:44:40,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:44:40,707 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 16:44:40,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:44:40,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:44:40,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 16:44:40,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 16:44:40,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 16:44:40,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:44:40,707 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 16:44:40,708 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:44:40,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 16:44:40,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:44:40,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:44:40,708 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 16:44:40,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:44:40,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:44:40,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:44:40,709 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 16:44:40,709 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 16:44:40,709 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_d2c73549-8b96-4556-bfbf-2233102b81f6/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 -> 2618f63f0acd986074ff563fe806d4dc698d3d84 [2019-12-07 16:44:40,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:44:40,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:44:40,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:44:40,823 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:44:40,824 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:44:40,824 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i [2019-12-07 16:44:40,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/data/bcdaaeea9/1fa023c851b74b099cf0740c73a924f9/FLAGff5047a83 [2019-12-07 16:44:41,310 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:44:41,311 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i [2019-12-07 16:44:41,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/data/bcdaaeea9/1fa023c851b74b099cf0740c73a924f9/FLAGff5047a83 [2019-12-07 16:44:41,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/data/bcdaaeea9/1fa023c851b74b099cf0740c73a924f9 [2019-12-07 16:44:41,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:44:41,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:44:41,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:44:41,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:44:41,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:44:41,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c77c204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41, skipping insertion in model container [2019-12-07 16:44:41,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:44:41,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:44:41,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:44:41,565 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:44:41,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:44:41,619 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:44:41,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41 WrapperNode [2019-12-07 16:44:41,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:44:41,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:44:41,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:44:41,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:44:41,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:44:41,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:44:41,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:44:41,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:44:41,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (1/1) ... [2019-12-07 16:44:41,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:44:41,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:44:41,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:44:41,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:44:41,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:44:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:44:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:44:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:44:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:44:41,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:44:41,887 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:44:41,887 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 16:44:41,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:44:41 BoogieIcfgContainer [2019-12-07 16:44:41,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:44:41,889 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 16:44:41,889 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 16:44:41,892 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 16:44:41,893 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:44:41,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 04:44:41" (1/3) ... [2019-12-07 16:44:41,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d817c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:44:41, skipping insertion in model container [2019-12-07 16:44:41,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:44:41,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:44:41" (2/3) ... [2019-12-07 16:44:41,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d817c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:44:41, skipping insertion in model container [2019-12-07 16:44:41,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:44:41,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:44:41" (3/3) ... [2019-12-07 16:44:41,896 INFO L371 chiAutomizerObserver]: Analyzing ICFG NoriSharma-2013FSE-Fig8-alloca.i [2019-12-07 16:44:41,925 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 16:44:41,925 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 16:44:41,925 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 16:44:41,925 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:44:41,925 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:44:41,925 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 16:44:41,925 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:44:41,925 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 16:44:41,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 16:44:41,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 16:44:41,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:44:41,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:44:41,952 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 16:44:41,952 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:44:41,952 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 16:44:41,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 16:44:41,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 16:44:41,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:44:41,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:44:41,953 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 16:44:41,953 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:44:41,958 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_#t~mem14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem12, main_#t~mem13, main_~u~0.base, main_~u~0.offset, main_~x~0.base, main_~x~0.offset, main_~v~0.base, main_~v~0.offset, main_~y~0.base, main_~y~0.offset, main_~w~0.base, main_~w~0.offset, main_~z~0.base, main_~z~0.offset, main_~c~0.base, main_~c~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~u~0.base, main_~u~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~v~0.base, main_~v~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~w~0.base, main_~w~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4);main_~c~0.base, main_~c~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9, main_~u~0.base, main_~u~0.offset, 4);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem10, main_~v~0.base, main_~v~0.offset, 4);havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem11, main_~w~0.base, main_~w~0.offset, 4);havoc main_#t~mem11;call write~int(0, main_~c~0.base, main_~c~0.offset, 4); 4#L560-2true [2019-12-07 16:44:41,958 INFO L796 eck$LassoCheckResult]: Loop: 4#L560-2true call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4); 6#L558-1true assume !!(main_#t~mem12 >= main_#t~mem13);havoc main_#t~mem12;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem14, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4); 10#L560true assume !(main_#t~mem15 > 1);havoc main_#t~mem15;call main_#t~mem19 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(1 + main_#t~mem19, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem19; 4#L560-2true [2019-12-07 16:44:41,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:41,962 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 16:44:41,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:44:41,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787189713] [2019-12-07 16:44:41,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:44:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:42,133 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:44:42,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:42,134 INFO L82 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 1 times [2019-12-07 16:44:42,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:44:42,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953995181] [2019-12-07 16:44:42,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:44:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:42,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:44:42,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:42,152 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2019-12-07 16:44:42,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:44:42,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976357646] [2019-12-07 16:44:42,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:44:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:42,215 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:44:44,330 WARN L192 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 180 DAG size of output: 142 [2019-12-07 16:44:45,072 WARN L192 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-12-07 16:44:45,083 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:44:45,084 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:44:45,084 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:44:45,084 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:44:45,084 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:44:45,084 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:45,084 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:44:45,084 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:44:45,085 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration1_Lasso [2019-12-07 16:44:45,085 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:44:45,085 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:44:45,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:45,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:46,450 WARN L192 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 114 [2019-12-07 16:44:46,641 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 103 [2019-12-07 16:44:46,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:46,901 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-12-07 16:44:47,223 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:44:47,226 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,291 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:47,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:47,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:47,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:47,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:47,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:47,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:47,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:47,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:47,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:47,512 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:44:47,516 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 16:44:47,516 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:47,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:44:47,520 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 16:44:47,520 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:44:47,520 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_1 + 1 Supporting invariants [] [2019-12-07 16:44:48,133 INFO L297 tatePredicateManager]: 111 out of 116 supporting invariants were superfluous and have been removed [2019-12-07 16:44:48,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:44:48,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:44:48,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:44:48,200 INFO L264 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 16:44:48,201 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:44:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:44:48,217 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 16:44:48,218 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:44:48,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:44:48,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:44:48,293 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:44:48,293 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 76 [2019-12-07 16:44:48,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:44:48,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:44:48,299 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:44:48,385 INFO L614 ElimStorePlain]: treesize reduction 35, result has 83.9 percent of original size [2019-12-07 16:44:48,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:44:48,387 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:44:48,388 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:145 [2019-12-07 16:44:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:44:48,453 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 16:44:48,454 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 4 states. [2019-12-07 16:44:48,557 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 4 states. Result 21 states and 27 transitions. Complement of second has 10 states. [2019-12-07 16:44:48,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 16:44:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 16:44:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 10 transitions. [2019-12-07 16:44:48,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 2 letters. Loop has 3 letters. [2019-12-07 16:44:48,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:44:48,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 16:44:48,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:44:48,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 16:44:48,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:44:48,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2019-12-07 16:44:48,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 16:44:48,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 11 states and 14 transitions. [2019-12-07 16:44:48,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-12-07 16:44:48,569 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-12-07 16:44:48,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-12-07 16:44:48,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:44:48,570 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 16:44:48,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-12-07 16:44:48,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-07 16:44:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 16:44:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-12-07 16:44:48,594 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 16:44:48,594 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 16:44:48,594 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 16:44:48,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-12-07 16:44:48,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 16:44:48,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:44:48,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:44:48,596 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 16:44:48,596 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:44:48,596 INFO L794 eck$LassoCheckResult]: Stem: 553#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 546#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_#t~mem14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem12, main_#t~mem13, main_~u~0.base, main_~u~0.offset, main_~x~0.base, main_~x~0.offset, main_~v~0.base, main_~v~0.offset, main_~y~0.base, main_~y~0.offset, main_~w~0.base, main_~w~0.offset, main_~z~0.base, main_~z~0.offset, main_~c~0.base, main_~c~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~u~0.base, main_~u~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~v~0.base, main_~v~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~w~0.base, main_~w~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4);main_~c~0.base, main_~c~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9, main_~u~0.base, main_~u~0.offset, 4);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem10, main_~v~0.base, main_~v~0.offset, 4);havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem11, main_~w~0.base, main_~w~0.offset, 4);havoc main_#t~mem11;call write~int(0, main_~c~0.base, main_~c~0.offset, 4); 547#L560-2 call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4); 552#L558-1 assume !!(main_#t~mem12 >= main_#t~mem13);havoc main_#t~mem12;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem14, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4); 554#L560 assume main_#t~mem15 > 1;havoc main_#t~mem15;call main_#t~mem16 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem16 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 + main_#t~mem18, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;havoc main_#t~mem18; 548#L560-2 [2019-12-07 16:44:48,596 INFO L796 eck$LassoCheckResult]: Loop: 548#L560-2 call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4); 549#L558-1 assume !!(main_#t~mem12 >= main_#t~mem13);havoc main_#t~mem12;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem14, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4); 556#L560 assume !(main_#t~mem15 > 1);havoc main_#t~mem15;call main_#t~mem19 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(1 + main_#t~mem19, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem19; 548#L560-2 [2019-12-07 16:44:48,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:48,596 INFO L82 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2019-12-07 16:44:48,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:44:48,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309698933] [2019-12-07 16:44:48,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:44:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:48,662 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:44:48,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:48,663 INFO L82 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 2 times [2019-12-07 16:44:48,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:44:48,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973519644] [2019-12-07 16:44:48,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:44:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:48,675 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:44:48,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:48,675 INFO L82 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2019-12-07 16:44:48,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:44:48,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848821889] [2019-12-07 16:44:48,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:44:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:48,778 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:44:51,520 WARN L192 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 212 DAG size of output: 168 [2019-12-07 16:44:52,807 WARN L192 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 153 [2019-12-07 16:44:52,812 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:44:52,812 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:44:52,812 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:44:52,812 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:44:52,812 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:44:52,813 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:52,813 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:44:52,813 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:44:52,813 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration2_Lasso [2019-12-07 16:44:52,813 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:44:52,813 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:44:52,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:52,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:52,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:52,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:52,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:52,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:52,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:52,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:52,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:52,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,446 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 124 [2019-12-07 16:44:54,638 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 103 [2019-12-07 16:44:54,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:44:54,934 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-12-07 16:44:55,250 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:44:55,251 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:55,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:55,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:55,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:55,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:55,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:55,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:55,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:55,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:55,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:55,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:55,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:55,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:44:55,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:44:55,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:44:55,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:44:55,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:44:55,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:44:55,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:44:55,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:44:55,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:44:55,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:44:55,394 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:44:55,414 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 16:44:55,414 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:44:55,417 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:44:55,419 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:44:55,419 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:44:55,419 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2 + 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 + 1 Supporting invariants [] [2019-12-07 16:44:55,973 INFO L297 tatePredicateManager]: 111 out of 116 supporting invariants were superfluous and have been removed [2019-12-07 16:44:55,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:44:55,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:44:56,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:44:56,031 INFO L264 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 16:44:56,032 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:44:56,061 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:44:56,061 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 90 [2019-12-07 16:44:56,062 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:44:56,084 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:44:56,085 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:44:56,085 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:68, output treesize:23 [2019-12-07 16:44:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:44:56,105 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 16:44:56,105 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:44:56,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:44:56,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:44:56,145 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:44:56,146 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 76 [2019-12-07 16:44:56,146 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:44:56,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:44:56,148 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:44:56,217 INFO L614 ElimStorePlain]: treesize reduction 35, result has 83.9 percent of original size [2019-12-07 16:44:56,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:44:56,218 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:44:56,218 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:145 [2019-12-07 16:44:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:44:56,269 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 16:44:56,269 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-12-07 16:44:56,334 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 17 states and 22 transitions. Complement of second has 8 states. [2019-12-07 16:44:56,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 16:44:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 16:44:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2019-12-07 16:44:56,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 16:44:56,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:44:56,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2019-12-07 16:44:56,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:44:56,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 5 letters. Loop has 6 letters. [2019-12-07 16:44:56,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:44:56,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2019-12-07 16:44:56,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 16:44:56,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2019-12-07 16:44:56,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 16:44:56,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 16:44:56,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2019-12-07 16:44:56,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:44:56,338 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 16:44:56,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2019-12-07 16:44:56,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-07 16:44:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 16:44:56,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-12-07 16:44:56,339 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 16:44:56,340 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 16:44:56,340 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 16:44:56,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2019-12-07 16:44:56,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 16:44:56,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:44:56,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:44:56,340 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1] [2019-12-07 16:44:56,341 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:44:56,341 INFO L794 eck$LassoCheckResult]: Stem: 1102#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1095#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_#t~mem14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem12, main_#t~mem13, main_~u~0.base, main_~u~0.offset, main_~x~0.base, main_~x~0.offset, main_~v~0.base, main_~v~0.offset, main_~y~0.base, main_~y~0.offset, main_~w~0.base, main_~w~0.offset, main_~z~0.base, main_~z~0.offset, main_~c~0.base, main_~c~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~u~0.base, main_~u~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~v~0.base, main_~v~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~w~0.base, main_~w~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4);main_~c~0.base, main_~c~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9, main_~u~0.base, main_~u~0.offset, 4);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem10, main_~v~0.base, main_~v~0.offset, 4);havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem11, main_~w~0.base, main_~w~0.offset, 4);havoc main_#t~mem11;call write~int(0, main_~c~0.base, main_~c~0.offset, 4); 1096#L560-2 call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1108#L558-1 assume !!(main_#t~mem12 >= main_#t~mem13);havoc main_#t~mem12;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem14, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4); 1106#L560 assume main_#t~mem15 > 1;havoc main_#t~mem15;call main_#t~mem16 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem16 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 + main_#t~mem18, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;havoc main_#t~mem18; 1105#L560-2 call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1101#L558-1 assume !!(main_#t~mem12 >= main_#t~mem13);havoc main_#t~mem12;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem14, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4); 1103#L560 assume main_#t~mem15 > 1;havoc main_#t~mem15;call main_#t~mem16 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem16 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 + main_#t~mem18, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;havoc main_#t~mem18; 1097#L560-2 [2019-12-07 16:44:56,341 INFO L796 eck$LassoCheckResult]: Loop: 1097#L560-2 call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1098#L558-1 assume !!(main_#t~mem12 >= main_#t~mem13);havoc main_#t~mem12;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem14, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4); 1107#L560 assume !(main_#t~mem15 > 1);havoc main_#t~mem15;call main_#t~mem19 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(1 + main_#t~mem19, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem19; 1097#L560-2 [2019-12-07 16:44:56,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:56,341 INFO L82 PathProgramCache]: Analyzing trace with hash 179493187, now seen corresponding path program 2 times [2019-12-07 16:44:56,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:44:56,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096285554] [2019-12-07 16:44:56,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:44:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:56,388 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:44:56,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:56,389 INFO L82 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 3 times [2019-12-07 16:44:56,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:44:56,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768726343] [2019-12-07 16:44:56,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:44:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:56,396 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:44:56,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:44:56,396 INFO L82 PathProgramCache]: Analyzing trace with hash 47257513, now seen corresponding path program 2 times [2019-12-07 16:44:56,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:44:56,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591107608] [2019-12-07 16:44:56,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:44:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:44:56,462 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:45:04,787 WARN L192 SmtUtils]: Spent 8.22 s on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2019-12-07 16:45:07,386 WARN L192 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 168 [2019-12-07 16:45:07,390 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:45:07,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:45:07,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:45:07,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:45:07,390 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:45:07,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:07,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:45:07,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:45:07,390 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration3_Lasso [2019-12-07 16:45:07,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:45:07,391 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:45:07,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:07,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:10,196 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 125 [2019-12-07 16:45:10,396 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 103 [2019-12-07 16:45:10,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:10,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:10,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:10,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:10,651 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-12-07 16:45:11,011 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:45:11,011 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:11,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:11,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:11,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:11,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:11,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:11,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:11,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:11,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:11,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:11,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:11,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:11,052 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,055 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 [2019-12-07 16:45:11,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:11,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:11,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:11,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:11,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:11,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:11,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,094 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 [2019-12-07 16:45:11,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:11,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:11,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:11,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:11,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:11,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:11,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:11,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:11,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:11,108 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:11,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:11,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:11,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,139 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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 [2019-12-07 16:45:11,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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 [2019-12-07 16:45:11,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,249 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 [2019-12-07 16:45:11,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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 [2019-12-07 16:45:11,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:11,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:11,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:11,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:11,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:11,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:11,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:11,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:11,295 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:45:11,303 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-12-07 16:45:11,303 INFO L444 ModelExtractionUtils]: 16 out of 22 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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 [2019-12-07 16:45:11,305 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:45:11,307 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:45:11,307 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:45:11,307 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_3) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_3 + 1 Supporting invariants [] [2019-12-07 16:45:11,933 INFO L297 tatePredicateManager]: 111 out of 116 supporting invariants were superfluous and have been removed [2019-12-07 16:45:11,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:45:11,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:45:11,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:45:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:45:11,979 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 16:45:11,979 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:45:12,005 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:12,005 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 90 [2019-12-07 16:45:12,005 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,027 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:12,027 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,027 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:68, output treesize:23 [2019-12-07 16:45:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:45:12,047 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 16:45:12,047 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:45:12,074 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:45:12,074 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:45:12,088 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:12,089 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 76 [2019-12-07 16:45:12,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:45:12,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:45:12,091 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,148 INFO L614 ElimStorePlain]: treesize reduction 81, result has 54.7 percent of original size [2019-12-07 16:45:12,149 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,149 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:86 [2019-12-07 16:45:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:45:12,180 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 16:45:12,180 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand 5 states. [2019-12-07 16:45:12,248 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 21 states and 28 transitions. Complement of second has 8 states. [2019-12-07 16:45:12,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 16:45:12,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 16:45:12,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2019-12-07 16:45:12,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2019-12-07 16:45:12,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:45:12,249 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 16:45:12,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:45:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:45:12,287 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 16:45:12,288 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:45:12,306 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:12,306 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 90 [2019-12-07 16:45:12,306 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,327 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:12,328 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,328 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:68, output treesize:23 [2019-12-07 16:45:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:45:12,347 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 16:45:12,347 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:45:12,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:45:12,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:45:12,389 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:12,389 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 76 [2019-12-07 16:45:12,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:45:12,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:45:12,392 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,453 INFO L614 ElimStorePlain]: treesize reduction 81, result has 54.7 percent of original size [2019-12-07 16:45:12,453 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,454 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:86 [2019-12-07 16:45:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:45:12,490 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 16:45:12,490 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand 5 states. [2019-12-07 16:45:12,552 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 21 states and 28 transitions. Complement of second has 8 states. [2019-12-07 16:45:12,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 16:45:12,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 16:45:12,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2019-12-07 16:45:12,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2019-12-07 16:45:12,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:45:12,553 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 16:45:12,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:45:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:45:12,592 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 16:45:12,592 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:45:12,608 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:12,608 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 90 [2019-12-07 16:45:12,609 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,629 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:12,630 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,630 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:68, output treesize:23 [2019-12-07 16:45:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:45:12,649 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 16:45:12,650 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:45:12,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:45:12,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:45:12,689 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:12,689 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 76 [2019-12-07 16:45:12,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:45:12,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:45:12,692 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,763 INFO L614 ElimStorePlain]: treesize reduction 35, result has 83.9 percent of original size [2019-12-07 16:45:12,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:45:12,764 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:45:12,764 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:145 [2019-12-07 16:45:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:45:12,815 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 16:45:12,815 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand 5 states. [2019-12-07 16:45:12,881 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 24 states and 32 transitions. Complement of second has 7 states. [2019-12-07 16:45:12,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 16:45:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 16:45:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-12-07 16:45:12,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 3 letters. [2019-12-07 16:45:12,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:45:12,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 11 letters. Loop has 3 letters. [2019-12-07 16:45:12,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:45:12,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 6 letters. [2019-12-07 16:45:12,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:45:12,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2019-12-07 16:45:12,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 16:45:12,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 26 transitions. [2019-12-07 16:45:12,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 16:45:12,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 16:45:12,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2019-12-07 16:45:12,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:45:12,885 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2019-12-07 16:45:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2019-12-07 16:45:12,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 8. [2019-12-07 16:45:12,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 16:45:12,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-12-07 16:45:12,886 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-12-07 16:45:12,886 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-12-07 16:45:12,886 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 16:45:12,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-12-07 16:45:12,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 16:45:12,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:45:12,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:45:12,886 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 16:45:12,886 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:45:12,886 INFO L794 eck$LassoCheckResult]: Stem: 1808#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1803#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_#t~mem14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem12, main_#t~mem13, main_~u~0.base, main_~u~0.offset, main_~x~0.base, main_~x~0.offset, main_~v~0.base, main_~v~0.offset, main_~y~0.base, main_~y~0.offset, main_~w~0.base, main_~w~0.offset, main_~z~0.base, main_~z~0.offset, main_~c~0.base, main_~c~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~u~0.base, main_~u~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~v~0.base, main_~v~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~w~0.base, main_~w~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4);main_~c~0.base, main_~c~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9, main_~u~0.base, main_~u~0.offset, 4);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem10, main_~v~0.base, main_~v~0.offset, 4);havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem11, main_~w~0.base, main_~w~0.offset, 4);havoc main_#t~mem11;call write~int(0, main_~c~0.base, main_~c~0.offset, 4); 1804#L560-2 [2019-12-07 16:45:12,886 INFO L796 eck$LassoCheckResult]: Loop: 1804#L560-2 call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1806#L558-1 assume !!(main_#t~mem12 >= main_#t~mem13);havoc main_#t~mem12;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem14, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4); 1809#L560 assume main_#t~mem15 > 1;havoc main_#t~mem15;call main_#t~mem16 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem16 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 + main_#t~mem18, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;havoc main_#t~mem18; 1804#L560-2 [2019-12-07 16:45:12,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:45:12,887 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-12-07 16:45:12,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:45:12,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637459353] [2019-12-07 16:45:12,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:45:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:45:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:45:12,913 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:45:12,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:45:12,914 INFO L82 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2019-12-07 16:45:12,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:45:12,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4131078] [2019-12-07 16:45:12,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:45:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:45:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:45:12,921 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:45:12,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:45:12,922 INFO L82 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 3 times [2019-12-07 16:45:12,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:45:12,922 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909109182] [2019-12-07 16:45:12,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:45:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:45:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:45:12,945 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:45:14,038 WARN L192 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 133 [2019-12-07 16:45:14,466 WARN L192 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-12-07 16:45:14,470 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:45:14,470 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:45:14,470 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:45:14,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:45:14,471 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:45:14,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:14,471 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:45:14,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:45:14,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration4_Lasso [2019-12-07 16:45:14,471 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:45:14,471 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:45:14,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:14,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:15,483 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 110 [2019-12-07 16:45:15,657 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-12-07 16:45:15,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:15,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:15,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:45:15,835 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-12-07 16:45:16,226 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:45:16,226 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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 [2019-12-07 16:45:16,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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 [2019-12-07 16:45:16,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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 [2019-12-07 16:45:16,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/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 [2019-12-07 16:45:16,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,381 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,432 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:45:16,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:45:16,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:45:16,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:45:16,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:45:16,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:45:16,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:45:16,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:45:16,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:45:16,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:45:16,516 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:45:16,518 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 16:45:16,518 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:45:16,521 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:45:16,521 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 16:45:16,521 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:45:16,521 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_4 Supporting invariants [] [2019-12-07 16:45:16,961 INFO L297 tatePredicateManager]: 106 out of 109 supporting invariants were superfluous and have been removed [2019-12-07 16:45:16,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:45:16,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:45:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:45:16,995 INFO L264 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 16:45:16,995 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:45:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:45:17,001 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 16:45:17,002 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:45:17,006 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2019-12-07 16:45:17,007 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:45:17,014 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:17,014 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:45:17,014 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:26 [2019-12-07 16:45:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:45:17,026 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 [2019-12-07 16:45:17,026 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-12-07 16:45:17,053 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 18 states and 24 transitions. Complement of second has 7 states. [2019-12-07 16:45:17,054 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 [2019-12-07 16:45:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 16:45:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2019-12-07 16:45:17,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 2 letters. Loop has 3 letters. [2019-12-07 16:45:17,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:45:17,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 16:45:17,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:45:17,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 16:45:17,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:45:17,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2019-12-07 16:45:17,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 16:45:17,056 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 18 transitions. [2019-12-07 16:45:17,056 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-12-07 16:45:17,056 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-12-07 16:45:17,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2019-12-07 16:45:17,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:45:17,056 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-12-07 16:45:17,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2019-12-07 16:45:17,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2019-12-07 16:45:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 16:45:17,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2019-12-07 16:45:17,057 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-12-07 16:45:17,057 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-12-07 16:45:17,057 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 16:45:17,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2019-12-07 16:45:17,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 16:45:17,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:45:17,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:45:17,059 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2019-12-07 16:45:17,059 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:45:17,059 INFO L794 eck$LassoCheckResult]: Stem: 2314#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2309#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_#t~mem14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem12, main_#t~mem13, main_~u~0.base, main_~u~0.offset, main_~x~0.base, main_~x~0.offset, main_~v~0.base, main_~v~0.offset, main_~y~0.base, main_~y~0.offset, main_~w~0.base, main_~w~0.offset, main_~z~0.base, main_~z~0.offset, main_~c~0.base, main_~c~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~u~0.base, main_~u~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~v~0.base, main_~v~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~w~0.base, main_~w~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4);main_~c~0.base, main_~c~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem9, main_~u~0.base, main_~u~0.offset, 4);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem10, main_~v~0.base, main_~v~0.offset, 4);havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem11, main_~w~0.base, main_~w~0.offset, 4);havoc main_#t~mem11;call write~int(0, main_~c~0.base, main_~c~0.offset, 4); 2310#L560-2 call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2311#L558-1 assume !!(main_#t~mem12 >= main_#t~mem13);havoc main_#t~mem12;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem14, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4); 2317#L560 assume !(main_#t~mem15 > 1);havoc main_#t~mem15;call main_#t~mem19 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(1 + main_#t~mem19, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem19; 2320#L560-2 call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2315#L558-1 [2019-12-07 16:45:17,059 INFO L796 eck$LassoCheckResult]: Loop: 2315#L558-1 assume !!(main_#t~mem12 >= main_#t~mem13);havoc main_#t~mem12;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem14, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4); 2316#L560 assume main_#t~mem15 > 1;havoc main_#t~mem15;call main_#t~mem16 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem16 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 + main_#t~mem18, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;havoc main_#t~mem18; 2318#L560-2 call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2315#L558-1 [2019-12-07 16:45:17,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:45:17,059 INFO L82 PathProgramCache]: Analyzing trace with hash 889571326, now seen corresponding path program 2 times [2019-12-07 16:45:17,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:45:17,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144978447] [2019-12-07 16:45:17,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:45:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:45:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:45:17,083 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:45:17,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:45:17,083 INFO L82 PathProgramCache]: Analyzing trace with hash 41795, now seen corresponding path program 2 times [2019-12-07 16:45:17,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:45:17,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724515867] [2019-12-07 16:45:17,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:45:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:45:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:45:17,089 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:45:17,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:45:17,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1271168550, now seen corresponding path program 3 times [2019-12-07 16:45:17,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:45:17,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865864458] [2019-12-07 16:45:17,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:45:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:45:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:45:17,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865864458] [2019-12-07 16:45:17,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018779040] [2019-12-07 16:45:17,163 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c73549-8b96-4556-bfbf-2233102b81f6/bin/uautomizer/z3 Starting monitored process 115 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 115 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:45:17,220 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-12-07 16:45:17,220 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 16:45:17,221 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 16:45:17,223 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:45:17,230 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:17,230 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 59 [2019-12-07 16:45:17,230 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:45:17,243 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:17,244 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:45:17,244 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:44, output treesize:13 [2019-12-07 16:45:17,265 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2019-12-07 16:45:17,266 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:45:17,270 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:17,271 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:45:17,271 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:12 [2019-12-07 16:45:17,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:45:17,281 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-12-07 16:45:17,281 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:45:17,284 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:45:17,284 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:45:17,284 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:33, output treesize:3 [2019-12-07 16:45:17,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:45:17,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:45:17,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-12-07 16:45:17,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392908817] [2019-12-07 16:45:17,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:45:17,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 16:45:17,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-12-07 16:45:17,409 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 10 states. [2019-12-07 16:45:17,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:45:17,504 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-12-07 16:45:17,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:45:17,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2019-12-07 16:45:17,505 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:45:17,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-12-07 16:45:17,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 16:45:17,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 16:45:17,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 16:45:17,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:45:17,505 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:45:17,505 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:45:17,506 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:45:17,506 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 16:45:17,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:45:17,506 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:45:17,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 16:45:17,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 04:45:17 BoogieIcfgContainer [2019-12-07 16:45:17,511 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 16:45:17,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:45:17,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:45:17,511 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:45:17,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:44:41" (3/4) ... [2019-12-07 16:45:17,514 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:45:17,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:45:17,515 INFO L168 Benchmark]: Toolchain (without parser) took 36183.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.4 MB). Free memory was 943.5 MB in the beginning and 855.5 MB in the end (delta: 88.0 MB). Peak memory consumption was 430.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:45:17,515 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:45:17,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:45:17,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:45:17,516 INFO L168 Benchmark]: Boogie Preprocessor took 16.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:45:17,516 INFO L168 Benchmark]: RCFGBuilder took 222.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:45:17,516 INFO L168 Benchmark]: BuchiAutomizer took 35621.59 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 239.1 MB). Free memory was 1.1 GB in the beginning and 864.8 MB in the end (delta: 194.2 MB). Peak memory consumption was 433.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:45:17,516 INFO L168 Benchmark]: Witness Printer took 3.08 ms. Allocated memory is still 1.4 GB. Free memory was 864.8 MB in the beginning and 855.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:45:17,518 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 222.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 35621.59 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 239.1 MB). Free memory was 1.1 GB in the beginning and 864.8 MB in the end (delta: 194.2 MB). Peak memory consumption was 433.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.08 ms. Allocated memory is still 1.4 GB. Free memory was 864.8 MB in the beginning and 855.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 - 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 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x][x] + -2 * unknown-#memory_int-unknown[y][y] + 1 and consists of 6 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y][y] + 2 * unknown-#memory_int-unknown[x][x] + 1 and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 4 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x][x] + -2 * unknown-#memory_int-unknown[y][y] + 1 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.5s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 33.5s. Construction of modules took 0.1s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 31 SDslu, 8 SDs, 0 SdLazy, 122 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital28826 mio100 ax101 hnf100 lsp98 ukn19 mio100 lsp40 div100 bol100 ite100 ukn100 eq198 hnf87 smp95 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms 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...