./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 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_cstpcpy-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 001582003a9a42d7c73bfe1e3e6fff242f9ddf73 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:47:36,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:47:36,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:47:36,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:47:36,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:47:36,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:47:36,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:47:36,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:47:36,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:47:36,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:47:36,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:47:36,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:47:36,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:47:36,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:47:36,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:47:36,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:47:36,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:47:36,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:47:36,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:47:36,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:47:36,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:47:36,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:47:36,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:47:36,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:47:36,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:47:36,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:47:36,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:47:36,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:47:36,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:47:36,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:47:36,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:47:36,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:47:36,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:47:36,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:47:36,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:47:36,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:47:36,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:47:36,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:47:36,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:47:36,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:47:36,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:47:36,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:47:36,532 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:47:36,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:47:36,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:47:36,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:47:36,535 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:47:36,535 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:47:36,536 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:47:36,536 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:47:36,536 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:47:36,536 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:47:36,537 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:47:36,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:47:36,538 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:47:36,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:47:36,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:47:36,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:47:36,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:47:36,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:47:36,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:47:36,541 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:47:36,541 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:47:36,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:47:36,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:47:36,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:47:36,542 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:47:36,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:47:36,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:47:36,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:47:36,543 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:47:36,545 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:47:36,545 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 -> 001582003a9a42d7c73bfe1e3e6fff242f9ddf73 [2020-10-19 18:47:36,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:47:36,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:47:36,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:47:36,872 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:47:36,872 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:47:36,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i [2020-10-19 18:47:36,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc0b12276/68e954ef08814abc8dc6a485ae74bc58/FLAG1853bdcb0 [2020-10-19 18:47:37,421 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:47:37,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i [2020-10-19 18:47:37,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc0b12276/68e954ef08814abc8dc6a485ae74bc58/FLAG1853bdcb0 [2020-10-19 18:47:37,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc0b12276/68e954ef08814abc8dc6a485ae74bc58 [2020-10-19 18:47:37,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:47:37,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:47:37,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:47:37,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:47:37,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:47:37,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:47:37" (1/1) ... [2020-10-19 18:47:37,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7468445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:37, skipping insertion in model container [2020-10-19 18:47:37,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:47:37" (1/1) ... [2020-10-19 18:47:37,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:47:37,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:47:38,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:47:38,228 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:47:38,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:47:38,319 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:47:38,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38 WrapperNode [2020-10-19 18:47:38,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:47:38,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:47:38,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:47:38,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:47:38,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (1/1) ... [2020-10-19 18:47:38,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (1/1) ... [2020-10-19 18:47:38,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:47:38,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:47:38,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:47:38,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:47:38,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (1/1) ... [2020-10-19 18:47:38,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (1/1) ... [2020-10-19 18:47:38,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (1/1) ... [2020-10-19 18:47:38,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (1/1) ... [2020-10-19 18:47:38,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (1/1) ... [2020-10-19 18:47:38,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (1/1) ... [2020-10-19 18:47:38,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (1/1) ... [2020-10-19 18:47:38,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:47:38,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:47:38,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:47:38,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:47:38,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:47:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:47:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:47:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:47:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:47:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:47:38,751 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:47:38,751 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-19 18:47:38,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:47:38 BoogieIcfgContainer [2020-10-19 18:47:38,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:47:38,753 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:47:38,753 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:47:38,757 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:47:38,758 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:47:38,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:47:37" (1/3) ... [2020-10-19 18:47:38,759 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@752e2b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:47:38, skipping insertion in model container [2020-10-19 18:47:38,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:47:38,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:47:38" (2/3) ... [2020-10-19 18:47:38,764 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@752e2b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:47:38, skipping insertion in model container [2020-10-19 18:47:38,764 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:47:38,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:47:38" (3/3) ... [2020-10-19 18:47:38,766 INFO L373 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpcpy-alloca-2.i [2020-10-19 18:47:38,814 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:47:38,815 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:47:38,815 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:47:38,815 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:47:38,815 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:47:38,815 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:47:38,816 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:47:38,816 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:47:38,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-19 18:47:38,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-19 18:47:38,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:47:38,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:47:38,864 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 18:47:38,864 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 18:47:38,865 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:47:38,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-19 18:47:38,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-19 18:47:38,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:47:38,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:47:38,867 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 18:47:38,867 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 18:47:38,875 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 8#L555true assume !(main_~length1~0 < 1); 11#L555-2true assume !(main_~length2~0 < 1); 4#L558-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstpcpy_#in~to.base, cstpcpy_#in~to.offset, cstpcpy_#in~from.base, cstpcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstpcpy_#res.base, cstpcpy_#res.offset;havoc cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset, cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset, cstpcpy_#t~mem4, cstpcpy_~to.base, cstpcpy_~to.offset, cstpcpy_~from.base, cstpcpy_~from.offset;cstpcpy_~to.base, cstpcpy_~to.offset := cstpcpy_#in~to.base, cstpcpy_#in~to.offset;cstpcpy_~from.base, cstpcpy_~from.offset := cstpcpy_#in~from.base, cstpcpy_#in~from.offset; 6#L549-4true [2020-10-19 18:47:38,876 INFO L796 eck$LassoCheckResult]: Loop: 6#L549-4true call cstpcpy_#t~mem4 := read~int(cstpcpy_~from.base, cstpcpy_~from.offset, 1);call write~int(cstpcpy_#t~mem4, cstpcpy_~to.base, cstpcpy_~to.offset, 1); 3#L549-1true assume !!(0 != cstpcpy_#t~mem4);havoc cstpcpy_#t~mem4; 5#L549-3true cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset := cstpcpy_~from.base, 1 + cstpcpy_~from.offset;cstpcpy_~from.base, cstpcpy_~from.offset := cstpcpy_~from.base, 1 + cstpcpy_~from.offset;havoc cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset;cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset := cstpcpy_~to.base, 1 + cstpcpy_~to.offset;cstpcpy_~to.base, cstpcpy_~to.offset := cstpcpy_~to.base, 1 + cstpcpy_~to.offset;havoc cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset; 6#L549-4true [2020-10-19 18:47:38,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:47:38,881 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2020-10-19 18:47:38,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:47:38,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101570975] [2020-10-19 18:47:38,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:47:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:47:39,009 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:47:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:47:39,036 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:47:39,059 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:47:39,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:47:39,060 INFO L82 PathProgramCache]: Analyzing trace with hash 52792, now seen corresponding path program 1 times [2020-10-19 18:47:39,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:47:39,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059137673] [2020-10-19 18:47:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:47:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:47:39,072 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:47:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:47:39,079 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:47:39,085 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:47:39,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:47:39,087 INFO L82 PathProgramCache]: Analyzing trace with hash 180551759, now seen corresponding path program 1 times [2020-10-19 18:47:39,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:47:39,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224436698] [2020-10-19 18:47:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:47:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:47:39,134 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:47:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:47:39,161 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:47:39,169 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:47:39,554 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2020-10-19 18:47:39,663 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-19 18:47:39,677 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:47:39,678 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:47:39,679 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:47:39,679 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:47:39,679 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:47:39,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:39,680 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:47:39,680 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:47:39,680 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpcpy-alloca-2.i_Iteration1_Lasso [2020-10-19 18:47:39,680 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:47:39,681 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:47:39,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:39,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:40,085 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2020-10-19 18:47:40,230 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2020-10-19 18:47:40,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:40,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:47:40,757 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:47:40,762 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) [2020-10-19 18:47:40,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:40,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:40,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:40,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:40,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:40,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:40,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:40,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:40,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:40,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:40,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:40,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:40,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:40,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:40,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:40,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:40,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:47:40,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:40,849 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 [2020-10-19 18:47:40,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:40,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:40,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:40,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:40,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:40,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:40,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:47:40,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:40,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:40,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:40,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:40,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:40,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:40,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:40,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:40,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:47:40,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:40,947 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 [2020-10-19 18:47:40,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:40,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:40,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:40,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:40,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:40,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:40,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:47:40,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:40,979 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 [2020-10-19 18:47:40,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:40,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:40,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:40,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:40,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:47:40,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:47:40,991 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) [2020-10-19 18:47:41,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:41,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:41,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:47:41,040 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) [2020-10-19 18:47:41,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:47:41,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:47:41,082 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) [2020-10-19 18:47:41,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:47:41,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:41,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:41,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:47:41,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:41,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:41,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:47:41,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:41,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:41,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:47:41,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:41,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:41,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:47:41,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:47:41,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:47:41,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:47:41,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:47:41,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:47:41,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:47:41,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:47:41,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:47:41,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:47:41,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:47:41,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:47:41,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:47:41,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:47:41,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:47:41,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:47:41,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:47:41,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:47:41,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:47:41,520 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:47:41,721 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-10-19 18:47:41,721 INFO L444 ModelExtractionUtils]: 21 out of 40 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:47:41,729 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:47:41,738 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:47:41,739 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:47:41,740 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cstpcpy_~from.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cstpcpy_~from.offset Supporting invariants [] [2020-10-19 18:47:41,827 INFO L297 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2020-10-19 18:47:41,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-19 18:47:41,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:47:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:47:41,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 24 conjunts are in the unsatisfiable core [2020-10-19 18:47:41,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:47:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:47:41,930 WARN L261 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-19 18:47:41,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:47:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:47:41,969 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 18:47:41,971 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2020-10-19 18:47:42,050 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 26 states and 30 transitions. Complement of second has 6 states. [2020-10-19 18:47:42,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-19 18:47:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 18:47:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-10-19 18:47:42,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2020-10-19 18:47:42,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:47:42,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 3 letters. [2020-10-19 18:47:42,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:47:42,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 6 letters. [2020-10-19 18:47:42,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:47:42,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2020-10-19 18:47:42,067 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:47:42,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2020-10-19 18:47:42,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:47:42,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:47:42,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:47:42,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:47:42,073 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:47:42,073 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:47:42,073 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:47:42,074 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:47:42,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:47:42,074 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:47:42,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:47:42,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:47:42 BoogieIcfgContainer [2020-10-19 18:47:42,080 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:47:42,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:47:42,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:47:42,081 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:47:42,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:47:38" (3/4) ... [2020-10-19 18:47:42,085 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:47:42,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:47:42,087 INFO L168 Benchmark]: Toolchain (without parser) took 4373.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -96.5 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:47:42,087 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:47:42,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:47:42,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:47:42,090 INFO L168 Benchmark]: Boogie Preprocessor took 25.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:47:42,091 INFO L168 Benchmark]: RCFGBuilder took 360.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:47:42,092 INFO L168 Benchmark]: BuchiAutomizer took 3327.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.1 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:47:42,092 INFO L168 Benchmark]: Witness Printer took 4.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:47:42,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 600.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 360.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3327.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.1 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * from and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 16 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital191 mio100 ax109 hnf99 lsp88 ukn91 mio100 lsp46 div100 bol100 ite100 ukn100 eq192 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms 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...