./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/openbsd_cstpncpy-alloca-2.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 1a0687c7a9248a5f8cc8ee4c8e4eeb67512aff8e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:34:35,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:34:35,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:34:35,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:34:35,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:34:35,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:34:35,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:34:35,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:34:35,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:34:35,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:34:35,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:34:35,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:34:35,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:34:35,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:34:35,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:34:35,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:34:35,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:34:35,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:34:35,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:34:35,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:34:35,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:34:35,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:34:35,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:34:35,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:34:35,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:34:35,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:34:35,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:34:35,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:34:35,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:34:35,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:34:35,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:34:35,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:34:35,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:34:35,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:34:35,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:34:35,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:34:35,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:34:35,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:34:35,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:34:35,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:34:35,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:34:35,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:34:35,489 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:34:35,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:34:35,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:34:35,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:34:35,494 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:34:35,494 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:34:35,495 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:34:35,495 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:34:35,496 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:34:35,496 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:34:35,497 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:34:35,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:34:35,498 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:34:35,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:34:35,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:34:35,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:34:35,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:34:35,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:34:35,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:34:35,500 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:34:35,500 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:34:35,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:34:35,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:34:35,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:34:35,501 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:34:35,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:34:35,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:34:35,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:34:35,503 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:34:35,504 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:34:35,504 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 -> 1a0687c7a9248a5f8cc8ee4c8e4eeb67512aff8e [2019-11-28 20:34:35,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:34:35,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:34:35,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:34:35,824 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:34:35,825 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:34:35,826 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2019-11-28 20:34:35,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c6a5e80/5755da5aa24f48239c4a2a5f44848cec/FLAGe542ddeb2 [2019-11-28 20:34:36,403 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:34:36,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2019-11-28 20:34:36,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c6a5e80/5755da5aa24f48239c4a2a5f44848cec/FLAGe542ddeb2 [2019-11-28 20:34:36,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c6a5e80/5755da5aa24f48239c4a2a5f44848cec [2019-11-28 20:34:36,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:34:36,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:34:36,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:34:36,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:34:36,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:34:36,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:34:36" (1/1) ... [2019-11-28 20:34:36,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cfe08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:36, skipping insertion in model container [2019-11-28 20:34:36,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:34:36" (1/1) ... [2019-11-28 20:34:36,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:34:36,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:34:37,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:34:37,094 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:34:37,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:34:37,202 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:34:37,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37 WrapperNode [2019-11-28 20:34:37,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:34:37,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:34:37,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:34:37,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:34:37,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (1/1) ... [2019-11-28 20:34:37,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (1/1) ... [2019-11-28 20:34:37,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:34:37,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:34:37,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:34:37,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:34:37,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (1/1) ... [2019-11-28 20:34:37,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (1/1) ... [2019-11-28 20:34:37,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (1/1) ... [2019-11-28 20:34:37,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (1/1) ... [2019-11-28 20:34:37,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (1/1) ... [2019-11-28 20:34:37,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (1/1) ... [2019-11-28 20:34:37,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (1/1) ... [2019-11-28 20:34:37,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:34:37,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:34:37,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:34:37,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:34:37,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (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 [2019-11-28 20:34:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:34:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:34:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:34:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:34:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:34:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:34:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:34:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:34:37,717 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:34:37,717 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 20:34:37,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:37 BoogieIcfgContainer [2019-11-28 20:34:37,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:34:37,720 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:34:37,720 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:34:37,723 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:34:37,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:37,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:34:36" (1/3) ... [2019-11-28 20:34:37,725 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71cb16ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:34:37, skipping insertion in model container [2019-11-28 20:34:37,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:37,725 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:37" (2/3) ... [2019-11-28 20:34:37,726 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71cb16ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:34:37, skipping insertion in model container [2019-11-28 20:34:37,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:37,726 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:37" (3/3) ... [2019-11-28 20:34:37,728 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpncpy-alloca-2.i [2019-11-28 20:34:37,769 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:34:37,769 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:34:37,769 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:34:37,769 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:34:37,770 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:34:37,770 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:34:37,770 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:34:37,770 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:34:37,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-28 20:34:37,800 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-28 20:34:37,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:37,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:37,807 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:34:37,807 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 20:34:37,807 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:34:37,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-28 20:34:37,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-28 20:34:37,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:37,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:37,810 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:34:37,810 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 20:34:37,818 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 3#L568true assume !(main_~length~0 < 1); 6#L568-2true assume !(main_~n~0 < 1); 19#L571-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(8);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 15#L550true assume 0 != cstpncpy_~n % 4294967296;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + cstpncpy_~n % 4294967296, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 16#L554-4true [2019-11-28 20:34:37,819 INFO L796 eck$LassoCheckResult]: Loop: 16#L554-4true cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 7#L555true assume !(0 == cstpncpy_#t~mem7);havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~mem7; 10#L554-1true cstpncpy_#t~pre4 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 13#L554-2true assume !!(0 != cstpncpy_#t~pre4 % 4294967296);havoc cstpncpy_#t~pre4; 16#L554-4true [2019-11-28 20:34:37,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:37,825 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2019-11-28 20:34:37,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:37,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67862142] [2019-11-28 20:34:37,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:38,073 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:38,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:38,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1618712, now seen corresponding path program 1 times [2019-11-28 20:34:38,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:38,075 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901896600] [2019-11-28 20:34:38,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:38,162 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:38,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:38,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1592246563, now seen corresponding path program 1 times [2019-11-28 20:34:38,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:38,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619711293] [2019-11-28 20:34:38,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:38,333 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:38,466 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-28 20:34:39,892 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 165 DAG size of output: 147 [2019-11-28 20:34:39,954 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:34:40,451 WARN L192 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-11-28 20:34:40,452 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:40,462 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:34:40,812 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-11-28 20:34:40,813 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:40,823 INFO L534 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:34:41,149 WARN L192 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-11-28 20:34:41,150 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:41,154 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-28 20:34:41,154 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:270, output treesize:257 [2019-11-28 20:34:41,472 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-11-28 20:34:41,484 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:34:41,485 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:34:41,485 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:34:41,485 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:34:41,486 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:34:41,486 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:41,486 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:34:41,486 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:34:41,486 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-2.i_Iteration1_Lasso [2019-11-28 20:34:41,487 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:34:41,487 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:34:41,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:41,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:42,211 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-11-28 20:34:42,440 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-11-28 20:34:42,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:42,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:42,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:42,703 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-11-28 20:34:42,945 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-11-28 20:34:43,269 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-11-28 20:34:43,534 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:34:43,542 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 [2019-11-28 20:34:43,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,564 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) [2019-11-28 20:34:43,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:43,582 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) [2019-11-28 20:34:43,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:43,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:43,626 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 [2019-11-28 20:34:43,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,659 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) [2019-11-28 20:34:43,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:43,680 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 [2019-11-28 20:34:43,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:43,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:43,698 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 [2019-11-28 20:34:43,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,718 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 [2019-11-28 20:34:43,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:43,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:43,742 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) [2019-11-28 20:34:43,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:43,770 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 [2019-11-28 20:34:43,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,789 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:43,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,809 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 [2019-11-28 20:34:43,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,819 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 [2019-11-28 20:34:43,837 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 [2019-11-28 20:34:43,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,842 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 [2019-11-28 20:34:43,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,854 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 [2019-11-28 20:34:43,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,867 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 [2019-11-28 20:34:43,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,881 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:43,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,892 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 [2019-11-28 20:34:43,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,903 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 [2019-11-28 20:34:43,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,913 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 [2019-11-28 20:34:43,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:43,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:43,938 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 [2019-11-28 20:34:43,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:43,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,952 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) [2019-11-28 20:34:43,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:43,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:43,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:43,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:43,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:43,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:43,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:43,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:43,993 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) [2019-11-28 20:34:44,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:44,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:44,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:44,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:44,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:44,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:44,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:44,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:44,006 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) [2019-11-28 20:34:44,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:44,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:44,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:44,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:44,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:44,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:44,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:44,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:44,022 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:44,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:44,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:44,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:44,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:44,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:44,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:44,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:44,091 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:34:44,361 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-28 20:34:44,362 INFO L444 ModelExtractionUtils]: 33 out of 52 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:44,372 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:44,377 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:34:44,378 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:34:44,379 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstpncpy_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1) = -1*ULTIMATE.start_cstpncpy_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 Supporting invariants [] [2019-11-28 20:34:44,542 INFO L297 tatePredicateManager]: 17 out of 19 supporting invariants were superfluous and have been removed [2019-11-28 20:34:44,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:34:44,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:44,684 INFO L264 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-28 20:34:44,688 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:44,738 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 20:34:44,739 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:34:44,754 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:44,754 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:34:44,754 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-11-28 20:34:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:44,810 INFO L264 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-28 20:34:44,811 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:44,880 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 20:34:44,881 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 4 states. [2019-11-28 20:34:45,003 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 4 states. Result 39 states and 48 transitions. Complement of second has 7 states. [2019-11-28 20:34:45,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:34:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:34:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2019-11-28 20:34:45,011 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 20:34:45,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:45,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-28 20:34:45,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:45,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 8 letters. [2019-11-28 20:34:45,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:45,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2019-11-28 20:34:45,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:34:45,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 18 transitions. [2019-11-28 20:34:45,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-28 20:34:45,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 20:34:45,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2019-11-28 20:34:45,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:34:45,034 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-28 20:34:45,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2019-11-28 20:34:45,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2019-11-28 20:34:45,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 20:34:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-28 20:34:45,067 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-28 20:34:45,068 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-28 20:34:45,068 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:34:45,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-11-28 20:34:45,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:34:45,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:45,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:45,071 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:34:45,071 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:34:45,071 INFO L794 eck$LassoCheckResult]: Stem: 199#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 195#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 196#L568 assume !(main_~length~0 < 1); 201#L568-2 assume !(main_~n~0 < 1); 204#L571-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(8);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 207#L550 assume 0 != cstpncpy_~n % 4294967296;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + cstpncpy_~n % 4294967296, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 205#L554-4 cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 206#L555 assume 0 == cstpncpy_#t~mem7;havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~mem7;call write~$Pointer$(cstpncpy_~d~0.base, cstpncpy_~d~0.offset - 1, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8); 203#L557-3 [2019-11-28 20:34:45,072 INFO L796 eck$LassoCheckResult]: Loop: 203#L557-3 cstpncpy_#t~pre8 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 202#L557-1 assume !!(0 != cstpncpy_#t~pre8 % 4294967296);havoc cstpncpy_#t~pre8;cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post9.base, 1 + cstpncpy_#t~post9.offset;call write~int(0, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, 1);havoc cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset; 203#L557-3 [2019-11-28 20:34:45,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:45,072 INFO L82 PathProgramCache]: Analyzing trace with hash 180427599, now seen corresponding path program 1 times [2019-11-28 20:34:45,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:45,073 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94923815] [2019-11-28 20:34:45,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:45,202 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:45,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:45,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-11-28 20:34:45,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:45,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339421460] [2019-11-28 20:34:45,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:45,217 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:45,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:45,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1592231764, now seen corresponding path program 1 times [2019-11-28 20:34:45,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:45,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820837300] [2019-11-28 20:34:45,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:45,277 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:49,961 WARN L192 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 235 DAG size of output: 210 [2019-11-28 20:34:49,997 INFO L430 ElimStorePlain]: Different costs {2=[|v_#memory_int_58|, |v_#memory_$Pointer$.base_52|, |v_#memory_$Pointer$.offset_53|], 4=[|v_#memory_$Pointer$.base_56|, |v_#memory_$Pointer$.offset_57|], 10=[|v_#memory_int_57|]} [2019-11-28 20:34:50,013 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:34:50,791 WARN L192 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-28 20:34:50,792 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:50,808 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:34:51,770 WARN L192 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-28 20:34:51,770 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:51,802 INFO L534 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:34:52,695 WARN L192 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-28 20:34:52,696 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:52,713 INFO L534 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:34:53,766 WARN L192 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 154 [2019-11-28 20:34:53,767 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:53,778 INFO L534 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:34:54,777 WARN L192 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-28 20:34:54,778 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:54,790 INFO L534 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:34:55,516 WARN L192 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-28 20:34:55,517 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:55,518 INFO L534 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-11-28 20:34:55,519 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:409, output treesize:683 [2019-11-28 20:34:56,302 WARN L192 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-28 20:34:56,305 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:34:56,305 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:34:56,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:34:56,306 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:34:56,306 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:34:56,306 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:56,306 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:34:56,306 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:34:56,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-2.i_Iteration2_Lasso [2019-11-28 20:34:56,307 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:34:56,307 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:34:56,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:56,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:57,190 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2019-11-28 20:34:57,409 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-11-28 20:34:57,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:57,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:57,858 WARN L192 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-11-28 20:34:58,083 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-11-28 20:34:58,428 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-28 20:34:58,669 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:34:58,670 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:58,685 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,703 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,716 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:58,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,731 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,748 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,770 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,784 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,795 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:58,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,819 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:58,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,834 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:58,846 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,860 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,877 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:58,890 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:58,916 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:58,934 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,948 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,961 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:58,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,975 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:58,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:58,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:58,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:58,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:58,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:58,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:58,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:58,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:58,995 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:59,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:59,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:59,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:59,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:59,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:59,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:59,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:59,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:59,009 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:59,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:59,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:59,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:59,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:59,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:59,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:59,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:59,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:59,020 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:59,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:59,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:59,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:59,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:59,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:59,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:59,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:59,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:59,028 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:59,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:59,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:59,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:59,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:59,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:59,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:59,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:59,041 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:59,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:59,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:59,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:59,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:59,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:59,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:59,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:59,052 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:59,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:59,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:59,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:59,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:59,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:59,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:59,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:59,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:59,060 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:59,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:59,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:59,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:59,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:59,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:59,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:59,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:59,113 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:34:59,157 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-28 20:34:59,157 INFO L444 ModelExtractionUtils]: 28 out of 55 variables were initially zero. Simplification set additionally 24 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:59,162 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:34:59,164 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:34:59,164 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:34:59,164 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2, ULTIMATE.start_cstpncpy_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 - 1*ULTIMATE.start_cstpncpy_~d~0.offset Supporting invariants [] [2019-11-28 20:34:59,259 INFO L297 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2019-11-28 20:34:59,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:34:59,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:59,318 INFO L264 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-28 20:34:59,319 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:59,324 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 20:34:59,325 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:34:59,334 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:59,334 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:34:59,334 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-11-28 20:34:59,356 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-28 20:34:59,357 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:34:59,360 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:59,361 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:34:59,361 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:5 [2019-11-28 20:34:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:59,375 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:34:59,375 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:59,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:59,376 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2019-11-28 20:34:59,376 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-11-28 20:34:59,438 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 15 states and 19 transitions. Complement of second has 7 states. [2019-11-28 20:34:59,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:34:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:34:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2019-11-28 20:34:59,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-28 20:34:59,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:59,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-28 20:34:59,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:59,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-28 20:34:59,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:59,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-28 20:34:59,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:34:59,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-28 20:34:59,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:34:59,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:34:59,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:34:59,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:34:59,442 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:59,442 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:59,442 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:59,442 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:34:59,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:34:59,443 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:34:59,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:34:59,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:34:59 BoogieIcfgContainer [2019-11-28 20:34:59,450 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:34:59,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:34:59,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:34:59,451 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:34:59,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:37" (3/4) ... [2019-11-28 20:34:59,455 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:34:59,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:34:59,456 INFO L168 Benchmark]: Toolchain (without parser) took 22799.96 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 344.5 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -230.5 MB). Peak memory consumption was 113.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:59,457 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:59,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:59,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:59,459 INFO L168 Benchmark]: Boogie Preprocessor took 28.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:59,460 INFO L168 Benchmark]: RCFGBuilder took 429.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:59,460 INFO L168 Benchmark]: BuchiAutomizer took 21730.32 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 237.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -131.3 MB). Peak memory consumption was 106.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:59,461 INFO L168 Benchmark]: Witness Printer took 4.79 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:59,464 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 545.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 429.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 21730.32 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 237.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -131.3 MB). Peak memory consumption was 106.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.79 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] + -1 * d and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 20.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 28 SDtfs, 32 SDslu, 27 SDs, 0 SdLazy, 24 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital569 mio100 ax103 hnf99 lsp95 ukn48 mio100 lsp47 div166 bol100 ite100 ukn100 eq178 hnf71 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms 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...