./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcspn_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcspn_reverse_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 6e6bf2d6e706b2fafcc380eb0a4d60b5a7a1666b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:58:14,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:58:14,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:58:14,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:58:14,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:58:14,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:58:14,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:58:14,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:58:14,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:58:14,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:58:14,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:58:14,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:58:14,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:58:14,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:58:14,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:58:14,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:58:14,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:58:14,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:58:14,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:58:14,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:58:14,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:58:14,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:58:14,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:58:14,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:58:14,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:58:14,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:58:14,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:58:14,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:58:14,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:58:14,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:58:14,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:58:14,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:58:14,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:58:14,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:58:14,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:58:14,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:58:14,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:58:14,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:58:14,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:58:14,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:58:14,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:58:14,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:58:14,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:58:14,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:58:14,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:58:14,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:58:14,391 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:58:14,391 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:58:14,392 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:58:14,392 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:58:14,392 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:58:14,392 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:58:14,393 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:58:14,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:58:14,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:58:14,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:58:14,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:58:14,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:58:14,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:58:14,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:58:14,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:58:14,395 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:58:14,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:58:14,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:58:14,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:58:14,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:58:14,396 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:58:14,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:58:14,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:58:14,397 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:58:14,397 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:58:14,398 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_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 -> 6e6bf2d6e706b2fafcc380eb0a4d60b5a7a1666b [2019-11-25 08:58:14,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:58:14,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:58:14,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:58:14,574 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:58:14,575 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:58:14,575 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcspn_reverse_alloca.i [2019-11-25 08:58:14,628 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/data/cb78271e6/0af3a01c236f44b69dd2617d96fa170a/FLAG1a4ae30b0 [2019-11-25 08:58:15,083 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:58:15,084 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/sv-benchmarks/c/termination-15/cstrcspn_reverse_alloca.i [2019-11-25 08:58:15,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/data/cb78271e6/0af3a01c236f44b69dd2617d96fa170a/FLAG1a4ae30b0 [2019-11-25 08:58:15,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/data/cb78271e6/0af3a01c236f44b69dd2617d96fa170a [2019-11-25 08:58:15,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:58:15,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:58:15,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:15,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:58:15,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:58:15,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af2120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15, skipping insertion in model container [2019-11-25 08:58:15,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:58:15,202 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:58:15,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:15,585 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:58:15,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:15,693 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:58:15,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15 WrapperNode [2019-11-25 08:58:15,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:15,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:58:15,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:58:15,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:58:15,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:58:15,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:58:15,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:58:15,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:58:15,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (1/1) ... [2019-11-25 08:58:15,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:58:15,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:58:15,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:58:15,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:58:15,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:58:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:58:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:58:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:58:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:58:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:58:16,109 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:58:16,109 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-25 08:58:16,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:16 BoogieIcfgContainer [2019-11-25 08:58:16,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:58:16,111 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:58:16,111 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:58:16,114 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:58:16,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:16,115 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:58:15" (1/3) ... [2019-11-25 08:58:16,115 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c593259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:58:16, skipping insertion in model container [2019-11-25 08:58:16,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:16,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:15" (2/3) ... [2019-11-25 08:58:16,116 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c593259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:58:16, skipping insertion in model container [2019-11-25 08:58:16,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:16,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:16" (3/3) ... [2019-11-25 08:58:16,117 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcspn_reverse_alloca.i [2019-11-25 08:58:16,180 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:58:16,181 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:58:16,181 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:58:16,181 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:58:16,181 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:58:16,181 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:58:16,181 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:58:16,182 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:58:16,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:58:16,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:58:16,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:16,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:16,213 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:58:16,214 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:58:16,214 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:58:16,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:58:16,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:58:16,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:16,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:16,216 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:58:16,216 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:58:16,222 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 12#L382true assume !(main_~length1~0 < 1); 15#L382-2true assume !(main_~length2~0 < 1); 9#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem207, cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset, cstrcspn_#t~mem208, cstrcspn_#t~mem209, cstrcspn_#t~short210, cstrcspn_#t~mem212, cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset, cstrcspn_#t~mem206, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 6#L369-4true [2019-11-25 08:58:16,222 INFO L796 eck$LassoCheckResult]: Loop: 6#L369-4true call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 18#L369-1true assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 20#L372-5true assume !true; 4#L372-6true call cstrcspn_#t~mem212 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 8#L374true assume !(cstrcspn_#t~mem212 == cstrcspn_~c~0);havoc cstrcspn_#t~mem212; 5#L369-3true cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset - 1;havoc cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset; 6#L369-4true [2019-11-25 08:58:16,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:16,227 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-25 08:58:16,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:16,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293280149] [2019-11-25 08:58:16,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,388 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:16,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:16,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2019-11-25 08:58:16,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:16,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446511407] [2019-11-25 08:58:16,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:16,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446511407] [2019-11-25 08:58:16,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:58:16,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:58:16,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336891485] [2019-11-25 08:58:16,430 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:58:16,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:58:16,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:58:16,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:58:16,442 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-25 08:58:16,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:58:16,447 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-11-25 08:58:16,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:58:16,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-25 08:58:16,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:58:16,454 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2019-11-25 08:58:16,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-25 08:58:16,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-25 08:58:16,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-25 08:58:16,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:58:16,457 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-25 08:58:16,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-25 08:58:16,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-25 08:58:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-25 08:58:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-11-25 08:58:16,478 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-25 08:58:16,478 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-25 08:58:16,478 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:58:16,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-11-25 08:58:16,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:58:16,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:16,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:16,480 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:58:16,480 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:16,480 INFO L794 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 50#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 51#L382 assume !(main_~length1~0 < 1); 52#L382-2 assume !(main_~length2~0 < 1); 49#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem207, cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset, cstrcspn_#t~mem208, cstrcspn_#t~mem209, cstrcspn_#t~short210, cstrcspn_#t~mem212, cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset, cstrcspn_#t~mem206, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 47#L369-4 [2019-11-25 08:58:16,481 INFO L796 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 48#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 56#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 53#L372-1 assume cstrcspn_#t~short210;call cstrcspn_#t~mem209 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := cstrcspn_#t~mem209 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 54#L372-3 assume !cstrcspn_#t~short210;havoc cstrcspn_#t~mem209;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~short210; 44#L372-6 call cstrcspn_#t~mem212 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 45#L374 assume !(cstrcspn_#t~mem212 == cstrcspn_~c~0);havoc cstrcspn_#t~mem212; 46#L369-3 cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset - 1;havoc cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset; 47#L369-4 [2019-11-25 08:58:16,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:16,481 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-11-25 08:58:16,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:16,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911696052] [2019-11-25 08:58:16,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,524 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:16,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:16,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2019-11-25 08:58:16,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:16,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590291564] [2019-11-25 08:58:16,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,553 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:16,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:16,554 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2019-11-25 08:58:16,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:16,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292412270] [2019-11-25 08:58:16,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:16,631 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:16,874 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-11-25 08:58:17,166 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-11-25 08:58:17,555 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-11-25 08:58:17,713 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-25 08:58:17,725 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:17,726 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:17,729 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:17,730 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:17,730 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:17,730 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:17,731 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:17,731 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:17,731 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_reverse_alloca.i_Iteration2_Lasso [2019-11-25 08:58:17,731 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:17,732 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:17,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:17,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:18,176 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-11-25 08:58:18,406 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-11-25 08:58:18,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:18,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:19,082 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2019-11-25 08:58:19,218 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:19,222 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:19,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:19,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:19,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:19,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:19,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:19,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:19,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:19,316 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 [2019-11-25 08:58:19,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:19,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:19,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,404 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 [2019-11-25 08:58:19,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:19,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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) [2019-11-25 08:58:19,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:19,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:19,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:19,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:19,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:19,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:19,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:19,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:19,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:19,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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) [2019-11-25 08:58:19,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,611 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2019-11-25 08:58:19,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,617 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-25 08:58:19,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:19,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:19,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:19,646 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:19,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:19,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:19,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:19,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:19,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:19,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:19,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:19,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:19,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:19,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:19,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:19,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:19,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:19,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:19,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:19,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:19,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,740 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:58:19,815 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-25 08:58:19,815 INFO L444 ModelExtractionUtils]: 38 out of 49 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:19,892 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:19,896 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:58:19,896 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:58:19,897 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~sc1~0.offset) = 2*ULTIMATE.start_cstrcspn_~sc1~0.offset + 1 Supporting invariants [] [2019-11-25 08:58:19,930 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-11-25 08:58:19,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:19,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:58:19,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:19,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:58:19,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:20,011 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:58:20,012 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-25 08:58:20,047 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-11-25 08:58:20,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:58:20,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-25 08:58:20,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2019-11-25 08:58:20,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:20,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2019-11-25 08:58:20,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:20,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2019-11-25 08:58:20,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:20,054 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-25 08:58:20,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:58:20,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2019-11-25 08:58:20,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-25 08:58:20,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-25 08:58:20,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-25 08:58:20,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:58:20,061 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:58:20,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-25 08:58:20,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-25 08:58:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-25 08:58:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-25 08:58:20,064 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:58:20,065 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:58:20,065 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:58:20,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-25 08:58:20,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:58:20,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:20,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:20,068 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:20,068 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:58:20,069 INFO L794 eck$LassoCheckResult]: Stem: 188#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 181#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 182#L382 assume !(main_~length1~0 < 1); 183#L382-2 assume !(main_~length2~0 < 1); 180#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem207, cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset, cstrcspn_#t~mem208, cstrcspn_#t~mem209, cstrcspn_#t~short210, cstrcspn_#t~mem212, cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset, cstrcspn_#t~mem206, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 177#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 179#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 189#L372-5 [2019-11-25 08:58:20,069 INFO L796 eck$LassoCheckResult]: Loop: 189#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 184#L372-1 assume cstrcspn_#t~short210;call cstrcspn_#t~mem209 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := cstrcspn_#t~mem209 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 185#L372-3 assume !!cstrcspn_#t~short210;havoc cstrcspn_#t~mem209;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~short210;cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset - 1;havoc cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset; 189#L372-5 [2019-11-25 08:58:20,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:20,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2019-11-25 08:58:20,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:20,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92061564] [2019-11-25 08:58:20,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:20,142 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:20,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:20,143 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2019-11-25 08:58:20,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:20,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405152457] [2019-11-25 08:58:20,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:20,153 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:20,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:20,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2019-11-25 08:58:20,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:20,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404675724] [2019-11-25 08:58:20,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:20,197 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:20,781 WARN L192 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 108 [2019-11-25 08:58:20,951 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-25 08:58:20,954 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:20,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:20,954 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:20,954 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:20,954 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:20,954 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:20,954 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:20,954 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:20,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_reverse_alloca.i_Iteration3_Lasso [2019-11-25 08:58:20,955 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:20,955 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:20,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:20,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:21,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:21,367 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-11-25 08:58:21,502 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-11-25 08:58:21,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:21,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:21,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:21,709 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-11-25 08:58:22,153 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-25 08:58:22,233 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:22,233 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:22,240 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 [2019-11-25 08:58:22,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:22,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:22,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:22,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:22,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:22,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:22,269 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 [2019-11-25 08:58:22,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:22,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:22,288 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 [2019-11-25 08:58:22,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:22,300 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 [2019-11-25 08:58:22,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:22,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:22,316 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 [2019-11-25 08:58:22,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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) [2019-11-25 08:58:22,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:22,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:22,340 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 [2019-11-25 08:58:22,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:22,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:22,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:22,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:22,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:22,372 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 [2019-11-25 08:58:22,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:22,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,384 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 [2019-11-25 08:58:22,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:22,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:22,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:22,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:22,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:22,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:22,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:22,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:22,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:22,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:22,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:22,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:22,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,445 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:58:22,494 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2019-11-25 08:58:22,494 INFO L444 ModelExtractionUtils]: 22 out of 55 variables were initially zero. Simplification set additionally 30 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:22,497 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,500 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:58:22,500 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:58:22,500 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcspn_~s~0.base)_2, ULTIMATE.start_cstrcspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcspn_~s~0.base)_2 + 2*ULTIMATE.start_cstrcspn_~s~0.offset Supporting invariants [] [2019-11-25 08:58:22,559 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2019-11-25 08:58:22,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:58:22,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:22,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:58:22,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:22,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:58:22,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:22,630 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:58:22,631 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-25 08:58:22,656 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 43 states and 57 transitions. Complement of second has 5 states. [2019-11-25 08:58:22,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:58:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-25 08:58:22,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-25 08:58:22,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:22,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2019-11-25 08:58:22,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:22,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2019-11-25 08:58:22,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:22,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2019-11-25 08:58:22,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:58:22,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2019-11-25 08:58:22,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-25 08:58:22,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-25 08:58:22,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-11-25 08:58:22,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:58:22,662 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-25 08:58:22,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-11-25 08:58:22,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-25 08:58:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-25 08:58:22,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-11-25 08:58:22,665 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-25 08:58:22,665 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-25 08:58:22,665 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:58:22,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2019-11-25 08:58:22,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:58:22,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:22,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:22,666 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:22,667 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:58:22,667 INFO L794 eck$LassoCheckResult]: Stem: 365#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 358#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 359#L382 assume !(main_~length1~0 < 1); 360#L382-2 assume !(main_~length2~0 < 1); 357#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem207, cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset, cstrcspn_#t~mem208, cstrcspn_#t~mem209, cstrcspn_#t~short210, cstrcspn_#t~mem212, cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset, cstrcspn_#t~mem206, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 353#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 354#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 367#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 363#L372-1 assume !cstrcspn_#t~short210; 364#L372-3 assume !cstrcspn_#t~short210;havoc cstrcspn_#t~mem209;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~short210; 349#L372-6 call cstrcspn_#t~mem212 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 350#L374 assume !(cstrcspn_#t~mem212 == cstrcspn_~c~0);havoc cstrcspn_#t~mem212; 351#L369-3 cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset - 1;havoc cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset; 352#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 356#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 366#L372-5 [2019-11-25 08:58:22,667 INFO L796 eck$LassoCheckResult]: Loop: 366#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 361#L372-1 assume cstrcspn_#t~short210;call cstrcspn_#t~mem209 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := cstrcspn_#t~mem209 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 362#L372-3 assume !!cstrcspn_#t~short210;havoc cstrcspn_#t~mem209;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~short210;cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset - 1;havoc cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset; 366#L372-5 [2019-11-25 08:58:22,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:22,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2019-11-25 08:58:22,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:22,668 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766960998] [2019-11-25 08:58:22,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:22,701 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:22,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:22,702 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2019-11-25 08:58:22,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:22,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87593988] [2019-11-25 08:58:22,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:22,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:22,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:22,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1999924968, now seen corresponding path program 1 times [2019-11-25 08:58:22,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:22,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551409698] [2019-11-25 08:58:22,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:22,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551409698] [2019-11-25 08:58:22,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249580693] [2019-11-25 08:58:22,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:58:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:22,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-25 08:58:22,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:22,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:58:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:22,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:58:22,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2019-11-25 08:58:22,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847958462] [2019-11-25 08:58:23,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:58:23,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 08:58:23,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:58:23,085 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand 9 states. [2019-11-25 08:58:23,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:58:23,215 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2019-11-25 08:58:23,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:58:23,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 72 transitions. [2019-11-25 08:58:23,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:58:23,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 43 states and 53 transitions. [2019-11-25 08:58:23,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-25 08:58:23,220 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2019-11-25 08:58:23,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2019-11-25 08:58:23,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:58:23,220 INFO L688 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2019-11-25 08:58:23,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2019-11-25 08:58:23,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 28. [2019-11-25 08:58:23,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-25 08:58:23,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-11-25 08:58:23,224 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-25 08:58:23,225 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-25 08:58:23,225 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:58:23,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-11-25 08:58:23,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:58:23,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:23,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:23,227 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:23,227 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:58:23,227 INFO L794 eck$LassoCheckResult]: Stem: 517#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 510#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 511#L382 assume !(main_~length1~0 < 1); 512#L382-2 assume !(main_~length2~0 < 1); 509#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem207, cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset, cstrcspn_#t~mem208, cstrcspn_#t~mem209, cstrcspn_#t~short210, cstrcspn_#t~mem212, cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset, cstrcspn_#t~mem206, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 505#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 506#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 525#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 515#L372-1 assume cstrcspn_#t~short210;call cstrcspn_#t~mem209 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := cstrcspn_#t~mem209 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 516#L372-3 assume !cstrcspn_#t~short210;havoc cstrcspn_#t~mem209;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~short210; 501#L372-6 call cstrcspn_#t~mem212 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 502#L374 assume !(cstrcspn_#t~mem212 == cstrcspn_~c~0);havoc cstrcspn_#t~mem212; 503#L369-3 cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset - 1;havoc cstrcspn_#t~post205.base, cstrcspn_#t~post205.offset; 504#L369-4 call cstrcspn_#t~mem206 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 508#L369-1 assume !!(0 != cstrcspn_#t~mem206);havoc cstrcspn_#t~mem206;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem207 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem207;havoc cstrcspn_#t~mem207; 518#L372-5 [2019-11-25 08:58:23,227 INFO L796 eck$LassoCheckResult]: Loop: 518#L372-5 call cstrcspn_#t~mem208 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := 0 != cstrcspn_#t~mem208; 513#L372-1 assume cstrcspn_#t~short210;call cstrcspn_#t~mem209 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short210 := cstrcspn_#t~mem209 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 514#L372-3 assume !!cstrcspn_#t~short210;havoc cstrcspn_#t~mem209;havoc cstrcspn_#t~mem208;havoc cstrcspn_#t~short210;cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset - 1;havoc cstrcspn_#t~post211.base, cstrcspn_#t~post211.offset; 518#L372-5 [2019-11-25 08:58:23,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:23,228 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2019-11-25 08:58:23,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:23,228 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651764874] [2019-11-25 08:58:23,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:23,268 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:23,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:23,269 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2019-11-25 08:58:23,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:23,269 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394983904] [2019-11-25 08:58:23,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:23,277 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:23,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:23,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2019-11-25 08:58:23,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:23,278 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645190070] [2019-11-25 08:58:23,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:23,323 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:24,099 WARN L192 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 141 [2019-11-25 08:58:24,980 WARN L192 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2019-11-25 08:58:24,983 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:24,983 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:24,983 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:24,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:24,983 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:24,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:24,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:24,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_reverse_alloca.i_Iteration5_Lasso [2019-11-25 08:58:24,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:24,983 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:24,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:24,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:24,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:24,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,184 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-25 08:58:25,817 WARN L192 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2019-11-25 08:58:25,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,297 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2019-11-25 08:58:27,941 WARN L192 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2019-11-25 08:58:28,374 WARN L192 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-11-25 08:58:28,474 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:28,474 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:28,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:28,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:28,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:28,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:28,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:28,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:28,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:28,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:28,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:28,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:28,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:28,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:28,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:28,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:28,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:28,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:28,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:28,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:28,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:28,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:28,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:28,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:28,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:28,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:28,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:28,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:28,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:28,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:28,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:28,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:28,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:28,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:28,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:28,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:28,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:28,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:28,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:28,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:28,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:28,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:28,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:28,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:28,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:28,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:28,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:28,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:28,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:28,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:28,599 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2019-11-25 08:58:28,599 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2019-11-25 08:58:28,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:28,871 INFO L401 nArgumentSynthesizer]: We have 180 Motzkin's Theorem applications. [2019-11-25 08:58:28,872 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-25 08:58:29,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:29,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:29,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:29,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:29,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:29,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:29,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:29,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:29,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:29,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:29,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:29,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:29,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:29,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:29,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:29,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:29,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/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 [2019-11-25 08:58:29,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:29,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:29,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:29,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:29,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:29,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:29,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:29,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:29,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:29,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:29,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:29,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:29,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:29,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:29,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:29,631 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:58:29,669 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-25 08:58:29,669 INFO L444 ModelExtractionUtils]: 24 out of 52 variables were initially zero. Simplification set additionally 25 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fb7dfc7-427b-407b-84d4-af5cc50332e7/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:29,677 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:29,680 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:58:29,680 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:58:29,680 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_3, ULTIMATE.start_cstrcspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_3 + 2*ULTIMATE.start_cstrcspn_~s~0.offset Supporting invariants [] [2019-11-25 08:58:29,813 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2019-11-25 08:58:29,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:58:29,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:29,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-25 08:58:29,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:29,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:58:29,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:29,929 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-25 08:58:29,929 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-25 08:58:29,993 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 46 states and 58 transitions. Complement of second has 6 states. [2019-11-25 08:58:29,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:29,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:58:29,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-25 08:58:29,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-25 08:58:29,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:29,996 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:58:30,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:30,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-25 08:58:30,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:30,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:58:30,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:30,092 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-25 08:58:30,092 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-25 08:58:30,148 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 46 states and 58 transitions. Complement of second has 6 states. [2019-11-25 08:58:30,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:30,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:58:30,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-25 08:58:30,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-25 08:58:30,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:30,151 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:58:30,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:30,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-25 08:58:30,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:30,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:58:30,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:30,264 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 2 loop predicates [2019-11-25 08:58:30,264 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-25 08:58:30,317 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 45 states and 60 transitions. Complement of second has 5 states. [2019-11-25 08:58:30,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:30,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:58:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-11-25 08:58:30,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-25 08:58:30,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:30,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2019-11-25 08:58:30,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:30,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2019-11-25 08:58:30,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:30,320 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2019-11-25 08:58:30,322 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:58:30,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2019-11-25 08:58:30,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:58:30,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:58:30,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:58:30,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:58:30,322 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:58:30,322 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:58:30,322 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:58:30,322 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:58:30,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:58:30,322 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:58:30,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:58:30,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:58:30 BoogieIcfgContainer [2019-11-25 08:58:30,328 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:58:30,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:58:30,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:58:30,328 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:58:30,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:16" (3/4) ... [2019-11-25 08:58:30,332 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:58:30,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:58:30,333 INFO L168 Benchmark]: Toolchain (without parser) took 15203.73 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 363.3 MB). Free memory was 940.7 MB in the beginning and 887.4 MB in the end (delta: 53.3 MB). Peak memory consumption was 416.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:30,333 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:30,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:30,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:30,335 INFO L168 Benchmark]: Boogie Preprocessor took 25.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:30,335 INFO L168 Benchmark]: RCFGBuilder took 346.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:30,336 INFO L168 Benchmark]: BuchiAutomizer took 14217.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 233.3 MB). Free memory was 1.1 GB in the beginning and 887.4 MB in the end (delta: 188.0 MB). Peak memory consumption was 421.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:30,336 INFO L168 Benchmark]: Witness Printer took 3.97 ms. Allocated memory is still 1.4 GB. Free memory was 887.4 MB in the beginning and 887.4 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-25 08:58:30,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 561.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 346.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14217.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 233.3 MB). Free memory was 1.1 GB in the beginning and 887.4 MB in the end (delta: 188.0 MB). Peak memory consumption was 421.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.97 ms. Allocated memory is still 1.4 GB. Free memory was 887.4 MB in the beginning and 887.4 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * sc1 + 1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[s] + 2 * s and consists of 3 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + 2 * s and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 13.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 28 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 109 SDtfs, 136 SDslu, 96 SDs, 0 SdLazy, 131 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital398 mio100 ax100 hnf99 lsp92 ukn76 mio100 lsp64 div102 bol100 ite100 ukn100 eq187 hnf82 smp76 dnf984 smp25 tf100 neg96 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 947ms VariablesStem: 18 VariablesLoop: 11 DisjunctsStem: 8 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 180 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...