./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 20ffcafc6849eb5f9469bdb1ab705ebc8209d0d9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:35:17,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:35:17,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:35:17,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:35:17,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:35:17,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:35:17,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:35:17,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:35:17,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:35:17,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:35:17,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:35:17,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:35:17,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:35:17,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:35:17,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:35:17,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:35:17,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:35:17,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:35:17,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:35:17,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:35:17,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:35:17,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:35:17,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:35:17,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:35:17,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:35:17,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:35:17,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:35:17,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:35:17,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:35:17,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:35:17,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:35:17,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:35:17,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:35:17,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:35:17,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:35:17,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:35:17,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:35:17,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:35:17,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:35:17,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:35:17,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:35:17,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:35:17,452 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:35:17,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:35:17,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:35:17,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:35:17,454 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:35:17,454 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:35:17,454 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:35:17,455 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:35:17,455 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:35:17,455 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:35:17,455 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:35:17,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:35:17,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:35:17,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:35:17,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:35:17,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:35:17,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:35:17,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:35:17,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:35:17,457 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:35:17,458 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:35:17,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:35:17,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:35:17,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:35:17,459 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:35:17,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:35:17,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:35:17,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:35:17,459 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:35:17,460 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:35:17,461 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 20ffcafc6849eb5f9469bdb1ab705ebc8209d0d9 [2020-07-29 01:35:17,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:35:17,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:35:17,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:35:17,760 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:35:17,760 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:35:17,761 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i [2020-07-29 01:35:17,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/280386c5b/94e1d066ec2f475484073fe9dde1bfae/FLAG4a2c4cd7c [2020-07-29 01:35:18,298 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:35:18,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i [2020-07-29 01:35:18,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/280386c5b/94e1d066ec2f475484073fe9dde1bfae/FLAG4a2c4cd7c [2020-07-29 01:35:18,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/280386c5b/94e1d066ec2f475484073fe9dde1bfae [2020-07-29 01:35:18,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:35:18,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:35:18,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:35:18,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:35:18,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:35:18,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:35:18" (1/1) ... [2020-07-29 01:35:18,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711c9468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:18, skipping insertion in model container [2020-07-29 01:35:18,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:35:18" (1/1) ... [2020-07-29 01:35:18,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:35:18,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:35:19,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:35:19,104 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:35:19,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:35:19,230 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:35:19,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19 WrapperNode [2020-07-29 01:35:19,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:35:19,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:35:19,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:35:19,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:35:19,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (1/1) ... [2020-07-29 01:35:19,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (1/1) ... [2020-07-29 01:35:19,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:35:19,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:35:19,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:35:19,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:35:19,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (1/1) ... [2020-07-29 01:35:19,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (1/1) ... [2020-07-29 01:35:19,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (1/1) ... [2020-07-29 01:35:19,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (1/1) ... [2020-07-29 01:35:19,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (1/1) ... [2020-07-29 01:35:19,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (1/1) ... [2020-07-29 01:35:19,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (1/1) ... [2020-07-29 01:35:19,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:35:19,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:35:19,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:35:19,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:35:19,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:35:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:35:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:35:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:35:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:35:19,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:35:19,881 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:35:19,881 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-29 01:35:19,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:35:19 BoogieIcfgContainer [2020-07-29 01:35:19,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:35:19,886 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:35:19,886 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:35:19,890 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:35:19,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:35:19,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:35:18" (1/3) ... [2020-07-29 01:35:19,892 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aa5982f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:35:19, skipping insertion in model container [2020-07-29 01:35:19,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:35:19,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:19" (2/3) ... [2020-07-29 01:35:19,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aa5982f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:35:19, skipping insertion in model container [2020-07-29 01:35:19,893 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:35:19,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:35:19" (3/3) ... [2020-07-29 01:35:19,895 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcat-alloca-1.i [2020-07-29 01:35:19,944 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:35:19,945 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:35:19,945 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:35:19,945 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:35:19,946 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:35:19,946 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:35:19,946 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:35:19,946 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:35:19,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:35:19,986 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:35:19,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:35:19,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:35:19,993 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:35:19,994 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:35:19,994 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:35:19,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:35:19,997 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:35:19,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:35:19,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:35:19,998 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:35:19,999 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:35:20,007 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12.base, main_#t~ret12.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 14#L560true assume !(main_~length1~0 < 1); 3#L560-2true assume !(main_~length2~0 < 2); 11#L563-1true assume !(main_~length3~0 < 1); 5#L566-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s1.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.base, cstrcat_#in~s2.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~post3.base, cstrcat_#t~post3.offset, cstrcat_#t~mem2, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s1.base, cstrcat_~s1.offset, cstrcat_~s2.base, cstrcat_~s2.offset, cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s1.base, cstrcat_~s1.offset := cstrcat_#in~s1.base, cstrcat_#in~s1.offset;cstrcat_~s2.base, cstrcat_~s2.offset := cstrcat_#in~s2.base, cstrcat_#in~s2.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_~s1.base, cstrcat_~s1.offset; 4#L550-3true [2020-07-29 01:35:20,008 INFO L796 eck$LassoCheckResult]: Loop: 4#L550-3true call cstrcat_#t~mem2 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1); 16#L550-1true assume !!(0 != cstrcat_#t~mem2);havoc cstrcat_#t~mem2;cstrcat_#t~post3.base, cstrcat_#t~post3.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post3.base, 1 + cstrcat_#t~post3.offset;havoc cstrcat_#t~post3.base, cstrcat_#t~post3.offset; 4#L550-3true [2020-07-29 01:35:20,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:35:20,014 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2020-07-29 01:35:20,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:35:20,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455166676] [2020-07-29 01:35:20,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:35:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:20,147 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:20,182 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:20,221 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:35:20,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:35:20,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2020-07-29 01:35:20,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:35:20,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933825904] [2020-07-29 01:35:20,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:35:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:20,252 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:20,262 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:20,269 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:35:20,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:35:20,277 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2020-07-29 01:35:20,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:35:20,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031084821] [2020-07-29 01:35:20,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:35:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:20,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:20,338 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:20,351 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:35:20,839 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2020-07-29 01:35:21,032 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-29 01:35:21,046 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:35:21,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:35:21,047 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:35:21,047 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:35:21,047 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:35:21,047 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:21,047 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:35:21,048 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:35:21,048 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-1.i_Iteration1_Lasso [2020-07-29 01:35:21,048 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:35:21,048 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:35:21,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:21,547 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-29 01:35:22,499 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:35:22,505 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:22,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:22,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,563 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:22,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:22,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:22,651 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 [2020-07-29 01:35:22,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:22,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:22,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:22,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:22,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:22,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:22,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:22,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:22,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:22,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:22,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:22,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:22,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:22,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:22,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:22,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:22,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:22,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:22,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:22,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:22,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:22,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:22,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:22,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:22,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:22,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:23,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:23,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:23,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:23,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:23,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:23,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:23,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:23,027 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:23,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:23,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:23,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:23,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:23,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:23,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:23,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:23,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:23,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:23,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:23,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:23,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:23,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:23,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:23,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:23,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:23,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:23,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:23,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:23,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:23,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:23,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:23,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:23,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:23,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:23,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:23,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:23,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:23,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:23,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:23,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:23,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:23,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:23,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:23,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:23,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:23,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:23,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:23,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:23,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:23,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:23,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:23,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:35:23,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:23,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:23,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:23,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:23,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:23,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:23,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:23,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:35:23,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:23,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:23,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:23,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:23,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:23,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:23,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:23,286 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:35:23,314 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-07-29 01:35:23,314 INFO L444 ModelExtractionUtils]: 29 out of 37 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:23,353 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:35:23,391 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:35:23,392 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:35:23,393 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcat_~s~0.offset, v_rep(select #length ULTIMATE.start_cstrcat_~s~0.base)_1) = -1*ULTIMATE.start_cstrcat_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrcat_~s~0.base)_1 Supporting invariants [] [2020-07-29 01:35:23,524 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2020-07-29 01:35:23,528 INFO L393 LassoCheck]: Loop: "call cstrcat_#t~mem2 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1);" "assume !!(0 != cstrcat_#t~mem2);havoc cstrcat_#t~mem2;cstrcat_#t~post3.base, cstrcat_#t~post3.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post3.base, 1 + cstrcat_#t~post3.offset;havoc cstrcat_#t~post3.base, cstrcat_#t~post3.offset;" [2020-07-29 01:35:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:23,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 01:35:23,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:35:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:23,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:35:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:23,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:35:23,634 INFO L280 TraceCheckUtils]: 0: Hoare triple {25#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {25#unseeded} is VALID [2020-07-29 01:35:23,635 INFO L280 TraceCheckUtils]: 1: Hoare triple {25#unseeded} havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12.base, main_#t~ret12.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; {25#unseeded} is VALID [2020-07-29 01:35:23,636 INFO L280 TraceCheckUtils]: 2: Hoare triple {25#unseeded} assume !(main_~length1~0 < 1); {25#unseeded} is VALID [2020-07-29 01:35:23,636 INFO L280 TraceCheckUtils]: 3: Hoare triple {25#unseeded} assume !(main_~length2~0 < 2); {25#unseeded} is VALID [2020-07-29 01:35:23,637 INFO L280 TraceCheckUtils]: 4: Hoare triple {25#unseeded} assume !(main_~length3~0 < 1); {25#unseeded} is VALID [2020-07-29 01:35:23,637 INFO L280 TraceCheckUtils]: 5: Hoare triple {25#unseeded} assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s1.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.base, cstrcat_#in~s2.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~post3.base, cstrcat_#t~post3.offset, cstrcat_#t~mem2, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s1.base, cstrcat_~s1.offset, cstrcat_~s2.base, cstrcat_~s2.offset, cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s1.base, cstrcat_~s1.offset := cstrcat_#in~s1.base, cstrcat_#in~s1.offset;cstrcat_~s2.base, cstrcat_~s2.offset := cstrcat_#in~s2.base, cstrcat_#in~s2.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_~s1.base, cstrcat_~s1.offset; {25#unseeded} is VALID [2020-07-29 01:35:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:23,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-29 01:35:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:23,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:35:23,676 INFO L280 TraceCheckUtils]: 0: Hoare triple {28#(>= oldRank0 (+ (* (- 1) ULTIMATE.start_cstrcat_~s~0.offset) (select |#length| ULTIMATE.start_cstrcat_~s~0.base)))} call cstrcat_#t~mem2 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1); {103#(and (<= (select |#length| ULTIMATE.start_cstrcat_~s~0.base) (+ ULTIMATE.start_cstrcat_~s~0.offset oldRank0)) (<= (+ ULTIMATE.start_cstrcat_~s~0.offset 1) (select |#length| ULTIMATE.start_cstrcat_~s~0.base)))} is VALID [2020-07-29 01:35:23,677 INFO L280 TraceCheckUtils]: 1: Hoare triple {103#(and (<= (select |#length| ULTIMATE.start_cstrcat_~s~0.base) (+ ULTIMATE.start_cstrcat_~s~0.offset oldRank0)) (<= (+ ULTIMATE.start_cstrcat_~s~0.offset 1) (select |#length| ULTIMATE.start_cstrcat_~s~0.base)))} assume !!(0 != cstrcat_#t~mem2);havoc cstrcat_#t~mem2;cstrcat_#t~post3.base, cstrcat_#t~post3.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post3.base, 1 + cstrcat_#t~post3.offset;havoc cstrcat_#t~post3.base, cstrcat_#t~post3.offset; {83#(or unseeded (and (> oldRank0 (+ (* (- 1) ULTIMATE.start_cstrcat_~s~0.offset) (select |#length| ULTIMATE.start_cstrcat_~s~0.base))) (>= oldRank0 0)))} is VALID [2020-07-29 01:35:23,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:35:23,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:35:23,705 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:35:23,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:23,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,716 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 [2020-07-29 01:35:23,717 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2020-07-29 01:35:23,814 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 35 states and 45 transitions. Complement of second has 7 states. [2020-07-29 01:35:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:35:23,815 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:35:23,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:35:23,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:35:23,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:35:23,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:35:23,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:35:23,822 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:35:23,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:35:23,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:35:23,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. [2020-07-29 01:35:23,825 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:35:23,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:35:23,827 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states. [2020-07-29 01:35:23,829 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:35:23,830 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 4 examples of accepted words. [2020-07-29 01:35:23,830 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:35:23,833 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:35:23,834 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:35:23,834 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2020-07-29 01:35:23,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2020-07-29 01:35:23,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:35:23,834 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:35:23,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:23,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:23,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:23,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:23,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:23,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:23,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 35 letters. Loop has 35 letters. [2020-07-29 01:35:23,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 35 letters. Loop has 35 letters. [2020-07-29 01:35:23,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 35 letters. Loop has 35 letters. [2020-07-29 01:35:23,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:35:23,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:35:23,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:35:23,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:35:23,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:35:23,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:35:23,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:35:23,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:35:23,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:35:23,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:35:23,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:35:23,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:35:23,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:35:23,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:35:23,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:35:23,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:23,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:23,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:23,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:35:23,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:35:23,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:35:23,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:23,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:23,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:23,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,845 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:35:23,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:35:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2020-07-29 01:35:23,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:23,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:35:23,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:35:23,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:23,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2020-07-29 01:35:23,855 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:35:23,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2020-07-29 01:35:23,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:35:23,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:35:23,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:35:23,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:35:23,859 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:35:23,860 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:35:23,860 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:35:23,860 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:35:23,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:35:23,860 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:35:23,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:35:23,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:35:23 BoogieIcfgContainer [2020-07-29 01:35:23,867 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:35:23,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:35:23,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:35:23,867 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:35:23,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:35:19" (3/4) ... [2020-07-29 01:35:23,872 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:35:23,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:35:23,874 INFO L168 Benchmark]: Toolchain (without parser) took 5236.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 957.5 MB in the beginning and 897.1 MB in the end (delta: 60.4 MB). Peak memory consumption was 267.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:35:23,874 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:35:23,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:35:23,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.57 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:35:23,876 INFO L168 Benchmark]: Boogie Preprocessor took 33.21 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. [2020-07-29 01:35:23,877 INFO L168 Benchmark]: RCFGBuilder took 567.03 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:35:23,878 INFO L168 Benchmark]: BuchiAutomizer took 3981.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 897.1 MB in the end (delta: 183.0 MB). Peak memory consumption was 255.4 MB. Max. memory is 11.5 GB. [2020-07-29 01:35:23,878 INFO L168 Benchmark]: Witness Printer took 4.66 ms. Allocated memory is still 1.2 GB. Free memory is still 897.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:35:23,882 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 592.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.57 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.21 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 567.03 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3981.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 897.1 MB in the end (delta: 183.0 MB). Peak memory consumption was 255.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.66 ms. Allocated memory is still 1.2 GB. Free memory is still 897.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 19 SDslu, 13 SDs, 0 SdLazy, 4 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital187 mio100 ax109 hnf99 lsp88 ukn78 mio100 lsp41 div100 bol100 ite100 ukn100 eq179 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms 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...