./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncat_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncat_reverse_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/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 217963df20137e939d67fe2243ee5b5bf7e9133e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:11:41,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:11:41,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:11:41,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:11:41,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:11:41,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:11:41,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:11:41,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:11:41,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:11:41,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:11:41,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:11:41,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:11:41,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:11:41,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:11:41,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:11:41,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:11:41,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:11:41,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:11:41,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:11:41,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:11:41,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:11:41,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:11:41,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:11:41,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:11:41,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:11:41,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:11:41,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:11:41,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:11:41,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:11:41,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:11:41,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:11:41,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:11:41,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:11:41,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:11:41,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:11:41,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:11:41,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:11:41,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:11:41,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:11:41,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:11:41,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:11:41,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 15:11:41,426 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:11:41,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:11:41,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:11:41,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:11:41,427 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:11:41,427 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:11:41,428 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:11:41,428 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:11:41,428 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:11:41,428 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:11:41,428 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:11:41,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:11:41,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:11:41,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:11:41,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:11:41,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:11:41,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:11:41,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:11:41,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:11:41,429 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:11:41,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:11:41,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:11:41,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:11:41,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:11:41,430 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:11:41,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:11:41,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:11:41,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:11:41,430 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:11:41,431 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:11:41,431 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_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/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 -> 217963df20137e939d67fe2243ee5b5bf7e9133e [2019-12-07 15:11:41,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:11:41,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:11:41,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:11:41,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:11:41,538 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:11:41,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrncat_reverse_alloca.i [2019-12-07 15:11:41,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/data/aa9e7f8e7/f929849acea24fed9482001010168fc0/FLAGd2ee38f07 [2019-12-07 15:11:41,937 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:11:41,938 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/sv-benchmarks/c/termination-15/cstrncat_reverse_alloca.i [2019-12-07 15:11:41,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/data/aa9e7f8e7/f929849acea24fed9482001010168fc0/FLAGd2ee38f07 [2019-12-07 15:11:41,953 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/data/aa9e7f8e7/f929849acea24fed9482001010168fc0 [2019-12-07 15:11:41,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:11:41,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:11:41,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:11:41,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:11:41,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:11:41,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:11:41" (1/1) ... [2019-12-07 15:11:41,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7b5f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:41, skipping insertion in model container [2019-12-07 15:11:41,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:11:41" (1/1) ... [2019-12-07 15:11:41,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:11:41,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:11:42,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:11:42,210 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:11:42,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:11:42,279 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:11:42,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42 WrapperNode [2019-12-07 15:11:42,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:11:42,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:11:42,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:11:42,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:11:42,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (1/1) ... [2019-12-07 15:11:42,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (1/1) ... [2019-12-07 15:11:42,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:11:42,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:11:42,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:11:42,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:11:42,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (1/1) ... [2019-12-07 15:11:42,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (1/1) ... [2019-12-07 15:11:42,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (1/1) ... [2019-12-07 15:11:42,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (1/1) ... [2019-12-07 15:11:42,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (1/1) ... [2019-12-07 15:11:42,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (1/1) ... [2019-12-07 15:11:42,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (1/1) ... [2019-12-07 15:11:42,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:11:42,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:11:42,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:11:42,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:11:42,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:11:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:11:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:11:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:11:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:11:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:11:42,528 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:11:42,528 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 15:11:42,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:11:42 BoogieIcfgContainer [2019-12-07 15:11:42,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:11:42,529 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:11:42,529 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:11:42,531 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:11:42,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:11:42,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:11:41" (1/3) ... [2019-12-07 15:11:42,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f0e8d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:11:42, skipping insertion in model container [2019-12-07 15:11:42,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:11:42,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:42" (2/3) ... [2019-12-07 15:11:42,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f0e8d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:11:42, skipping insertion in model container [2019-12-07 15:11:42,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:11:42,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:11:42" (3/3) ... [2019-12-07 15:11:42,534 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncat_reverse_alloca.i [2019-12-07 15:11:42,562 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:11:42,562 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:11:42,562 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:11:42,562 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:11:42,562 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:11:42,563 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:11:42,563 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:11:42,563 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:11:42,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 15:11:42,586 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-12-07 15:11:42,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:11:42,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:11:42,591 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:11:42,591 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 15:11:42,591 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:11:42,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 15:11:42,592 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-12-07 15:11:42,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:11:42,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:11:42,593 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:11:42,593 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 15:11:42,598 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218.base, main_#t~ret218.offset, main_~length1~0, main_~length2~0, main_~n~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;main_~n~0 := main_#t~nondet215;havoc main_#t~nondet215; 15#L381true assume !(main_~length1~0 < 1); 18#L381-2true assume !(main_~length2~0 < 1); 11#L384-1true assume !(main_~n~0 < 1); 6#L387-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.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 - main_~n~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset, cstrncat_#t~mem205, cstrncat_#t~post210, cstrncat_#t~post211.base, cstrncat_#t~post211.offset, cstrncat_#t~post207.base, cstrncat_#t~post207.offset, cstrncat_#t~mem208, cstrncat_#t~short209, cstrncat_#t~mem212, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 8#L367-3true [2019-12-07 15:11:42,598 INFO L796 eck$LassoCheckResult]: Loop: 8#L367-3true call cstrncat_#t~mem205 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 4#L367-1true assume !!(0 != cstrncat_#t~mem205);havoc cstrncat_#t~mem205;cstrncat_#t~post206.base, cstrncat_#t~post206.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post206.base, cstrncat_#t~post206.offset - 1;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset; 8#L367-3true [2019-12-07 15:11:42,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:11:42,602 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-12-07 15:11:42,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:11:42,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565229766] [2019-12-07 15:11:42,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:11:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:11:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:11:42,718 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:11:42,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:11:42,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-12-07 15:11:42,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:11:42,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001289069] [2019-12-07 15:11:42,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:11:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:11:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:11:42,726 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:11:42,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:11:42,728 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2019-12-07 15:11:42,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:11:42,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718950644] [2019-12-07 15:11:42,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:11:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:11:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:11:42,765 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:11:43,074 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 99 [2019-12-07 15:11:43,180 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:11:43,180 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:11:43,180 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:11:43,180 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:11:43,181 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:11:43,181 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,181 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:11:43,181 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:11:43,181 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat_reverse_alloca.i_Iteration1_Lasso [2019-12-07 15:11:43,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:11:43,181 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:11:43,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,426 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-12-07 15:11:43,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:11:43,798 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:11:43,803 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:11:43,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:11:43,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:11:43,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:11:43,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:11:43,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:11:43,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:11:43,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:11:43,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:11:43,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:11:43,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:11:43,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:11:43,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,896 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:11:43,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:11:43,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:11:43,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:11:43,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:11:43,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:11:43,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:11:43,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:11:43,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:11:43,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:11:43,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:11:43,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,968 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:11:43,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,968 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:11:43,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:11:43,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:43,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:11:43,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:11:43,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:43,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:11:43,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:11:43,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:11:43,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:11:43,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:11:44,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:11:44,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:11:44,023 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:11:44,076 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2019-12-07 15:11:44,076 INFO L444 ModelExtractionUtils]: 32 out of 55 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f9c175e-a1d3-402f-8dfa-d68a612dbff8/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:11:44,081 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:11:44,084 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 15:11:44,085 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:11:44,085 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncat_~s~0.offset) = 2*ULTIMATE.start_cstrncat_~s~0.offset + 1 Supporting invariants [] [2019-12-07 15:11:44,110 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2019-12-07 15:11:44,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:11:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:11:44,158 INFO L264 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:11:44,159 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:11:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:11:44,173 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:11:44,173 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:11:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:11:44,192 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 15:11:44,193 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-12-07 15:11:44,246 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 53 states and 76 transitions. Complement of second has 7 states. [2019-12-07 15:11:44,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 15:11:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:11:44,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2019-12-07 15:11:44,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 6 letters. Loop has 2 letters. [2019-12-07 15:11:44,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:11:44,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 8 letters. Loop has 2 letters. [2019-12-07 15:11:44,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:11:44,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 15:11:44,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:11:44,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 76 transitions. [2019-12-07 15:11:44,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 15:11:44,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 20 states and 27 transitions. [2019-12-07 15:11:44,257 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 15:11:44,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 15:11:44,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2019-12-07 15:11:44,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:11:44,258 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2019-12-07 15:11:44,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2019-12-07 15:11:44,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-12-07 15:11:44,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 15:11:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-12-07 15:11:44,276 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-12-07 15:11:44,276 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-12-07 15:11:44,276 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 15:11:44,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2019-12-07 15:11:44,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 15:11:44,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:11:44,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:11:44,278 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:11:44,278 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 15:11:44,278 INFO L794 eck$LassoCheckResult]: Stem: 155#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 150#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218.base, main_#t~ret218.offset, main_~length1~0, main_~length2~0, main_~n~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;main_~n~0 := main_#t~nondet215;havoc main_#t~nondet215; 151#L381 assume !(main_~length1~0 < 1); 160#L381-2 assume !(main_~length2~0 < 1); 166#L384-1 assume !(main_~n~0 < 1); 161#L387-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.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 - main_~n~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset, cstrncat_#t~mem205, cstrncat_#t~post210, cstrncat_#t~post211.base, cstrncat_#t~post211.offset, cstrncat_#t~post207.base, cstrncat_#t~post207.offset, cstrncat_#t~mem208, cstrncat_#t~short209, cstrncat_#t~mem212, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 162#L367-3 call cstrncat_#t~mem205 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 152#L367-1 assume !(0 != cstrncat_#t~mem205);havoc cstrncat_#t~mem205; 153#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 168#L369 assume !cstrncat_#t~short209; 164#L369-2 assume !!cstrncat_#t~short209;havoc cstrncat_#t~mem208;havoc cstrncat_#t~post207.base, cstrncat_#t~post207.offset;havoc cstrncat_#t~short209;cstrncat_#t~post210 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post210 - 1;havoc cstrncat_#t~post210;cstrncat_#t~post211.base, cstrncat_#t~post211.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post211.base, cstrncat_#t~post211.offset - 1;havoc cstrncat_#t~post211.base, cstrncat_#t~post211.offset; 167#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 157#L369 [2019-12-07 15:11:44,278 INFO L796 eck$LassoCheckResult]: Loop: 157#L369 assume !cstrncat_#t~short209; 163#L369-2 assume !!cstrncat_#t~short209;havoc cstrncat_#t~mem208;havoc cstrncat_#t~post207.base, cstrncat_#t~post207.offset;havoc cstrncat_#t~short209;cstrncat_#t~post210 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post210 - 1;havoc cstrncat_#t~post210;cstrncat_#t~post211.base, cstrncat_#t~post211.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post211.base, cstrncat_#t~post211.offset - 1;havoc cstrncat_#t~post211.base, cstrncat_#t~post211.offset; 156#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 157#L369 [2019-12-07 15:11:44,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:11:44,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2019-12-07 15:11:44,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:11:44,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393912984] [2019-12-07 15:11:44,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:11:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:11:44,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:11:44,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393912984] [2019-12-07 15:11:44,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:11:44,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:11:44,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535003954] [2019-12-07 15:11:44,316 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 15:11:44,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:11:44,316 INFO L82 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2019-12-07 15:11:44,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:11:44,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61556353] [2019-12-07 15:11:44,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:11:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:11:44,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:11:44,322 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61556353] [2019-12-07 15:11:44,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:11:44,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:11:44,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41739250] [2019-12-07 15:11:44,322 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 15:11:44,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:11:44,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:11:44,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:11:44,325 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-12-07 15:11:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:11:44,335 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-12-07 15:11:44,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:11:44,336 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2019-12-07 15:11:44,336 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:11:44,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-12-07 15:11:44,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 15:11:44,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 15:11:44,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 15:11:44,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:11:44,337 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:11:44,337 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:11:44,337 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:11:44,337 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 15:11:44,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:11:44,337 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:11:44,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 15:11:44,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:11:44 BoogieIcfgContainer [2019-12-07 15:11:44,341 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:11:44,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:11:44,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:11:44,342 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:11:44,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:11:42" (3/4) ... [2019-12-07 15:11:44,344 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:11:44,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:11:44,345 INFO L168 Benchmark]: Toolchain (without parser) took 2389.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 946.3 MB in the beginning and 931.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:11:44,346 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:11:44,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:11:44,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:11:44,347 INFO L168 Benchmark]: Boogie Preprocessor took 18.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:11:44,347 INFO L168 Benchmark]: RCFGBuilder took 199.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:11:44,348 INFO L168 Benchmark]: BuchiAutomizer took 1812.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 931.0 MB in the end (delta: 124.2 MB). Peak memory consumption was 124.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:11:44,348 INFO L168 Benchmark]: Witness Printer took 2.73 ms. Allocated memory is still 1.1 GB. Free memory is still 931.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:11:44,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 199.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1812.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 931.0 MB in the end (delta: 124.2 MB). Peak memory consumption was 124.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.73 ms. Allocated memory is still 1.1 GB. Free memory is still 931.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * s + 1 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 37 SDtfs, 26 SDslu, 23 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital207 mio100 ax100 hnf99 lsp97 ukn83 mio100 lsp59 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...