./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/array-memsafety/cstrcpy-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 83897956e392064e8b9522b11a8bf4c25fb2a6e3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:25:20,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:25:20,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:25:20,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:25:20,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:25:20,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:25:20,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:25:20,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:25:20,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:25:20,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:25:20,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:25:20,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:25:20,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:25:20,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:25:20,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:25:20,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:25:20,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:25:20,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:25:20,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:25:20,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:25:20,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:25:20,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:25:20,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:25:20,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:25:20,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:25:20,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:25:20,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:25:20,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:25:20,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:25:20,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:25:20,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:25:20,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:25:20,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:25:20,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:25:20,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:25:20,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:25:20,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:25:20,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:25:20,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:25:20,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:25:20,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:25:20,481 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:25:20,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:25:20,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:25:20,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:25:20,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:25:20,503 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:25:20,504 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:25:20,504 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:25:20,504 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:25:20,504 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:25:20,505 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:25:20,505 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:25:20,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:25:20,505 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:25:20,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:25:20,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:25:20,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:25:20,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:25:20,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:25:20,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:25:20,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:25:20,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:25:20,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:25:20,508 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:25:20,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:25:20,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:25:20,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:25:20,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:25:20,510 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:25:20,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:25:20,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:25:20,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:25:20,511 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:25:20,512 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:25:20,512 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83897956e392064e8b9522b11a8bf4c25fb2a6e3 [2019-11-28 21:25:20,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:25:20,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:25:20,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:25:20,890 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:25:20,890 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:25:20,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2019-11-28 21:25:20,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c978b72c/73e63e67781742b684703de2bc03ee8b/FLAG580a05915 [2019-11-28 21:25:21,521 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:25:21,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2019-11-28 21:25:21,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c978b72c/73e63e67781742b684703de2bc03ee8b/FLAG580a05915 [2019-11-28 21:25:21,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c978b72c/73e63e67781742b684703de2bc03ee8b [2019-11-28 21:25:21,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:25:21,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:25:21,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:25:21,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:25:21,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:25:21,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:25:21" (1/1) ... [2019-11-28 21:25:21,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67529377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:21, skipping insertion in model container [2019-11-28 21:25:21,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:25:21" (1/1) ... [2019-11-28 21:25:21,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:25:21,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:25:22,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:25:22,332 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:25:22,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:25:22,482 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:25:22,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22 WrapperNode [2019-11-28 21:25:22,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:25:22,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:25:22,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:25:22,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:25:22,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (1/1) ... [2019-11-28 21:25:22,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (1/1) ... [2019-11-28 21:25:22,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:25:22,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:25:22,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:25:22,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:25:22,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (1/1) ... [2019-11-28 21:25:22,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (1/1) ... [2019-11-28 21:25:22,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (1/1) ... [2019-11-28 21:25:22,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (1/1) ... [2019-11-28 21:25:22,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (1/1) ... [2019-11-28 21:25:22,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (1/1) ... [2019-11-28 21:25:22,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (1/1) ... [2019-11-28 21:25:22,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:25:22,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:25:22,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:25:22,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:25:22,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (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 21:25:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 21:25:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 21:25:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:25:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 21:25:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:25:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:25:22,904 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:25:22,905 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 21:25:22,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:25:22 BoogieIcfgContainer [2019-11-28 21:25:22,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:25:22,907 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:25:22,908 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:25:22,911 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:25:22,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:25:22,913 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:25:21" (1/3) ... [2019-11-28 21:25:22,914 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@fa2414d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:25:22, skipping insertion in model container [2019-11-28 21:25:22,915 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:25:22,915 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:25:22" (2/3) ... [2019-11-28 21:25:22,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@fa2414d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:25:22, skipping insertion in model container [2019-11-28 21:25:22,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:25:22,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:25:22" (3/3) ... [2019-11-28 21:25:22,918 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca-1.i [2019-11-28 21:25:22,989 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:25:22,989 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:25:22,990 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:25:22,990 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:25:22,990 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:25:22,991 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:25:22,991 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:25:22,991 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:25:23,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-28 21:25:23,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 21:25:23,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:25:23,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:25:23,043 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 21:25:23,043 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 21:25:23,043 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:25:23,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-28 21:25:23,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 21:25:23,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:25:23,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:25:23,046 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 21:25:23,046 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 21:25:23,055 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 4#L525true assume !(main_~length1~0 < 1); 6#L525-2true assume !(main_~length2~0 < 1); 17#L528-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 9#L535-3true [2019-11-28 21:25:23,056 INFO L796 eck$LassoCheckResult]: Loop: 9#L535-3true assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 7#L535-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 9#L535-3true [2019-11-28 21:25:23,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:23,062 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-11-28 21:25:23,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:25:23,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112458060] [2019-11-28 21:25:23,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:25:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:23,223 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:25:23,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:23,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2019-11-28 21:25:23,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:25:23,226 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445039772] [2019-11-28 21:25:23,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:25:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:23,261 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:25:23,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:23,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2019-11-28 21:25:23,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:25:23,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114299654] [2019-11-28 21:25:23,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:25:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:23,364 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:25:23,688 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-11-28 21:25:23,791 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 21:25:23,792 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 21:25:23,792 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 21:25:23,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 21:25:23,793 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 21:25:23,793 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:23,793 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 21:25:23,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 21:25:23,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration1_Lasso [2019-11-28 21:25:23,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 21:25:23,795 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 21:25:23,832 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 21:25:23,848 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 21:25:23,852 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 21:25:23,857 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 21:25:23,861 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 21:25:23,866 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 21:25:23,870 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 21:25:23,874 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 21:25:23,879 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 21:25:24,031 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-11-28 21:25:24,070 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 21:25:24,074 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 21:25:24,076 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 21:25:24,080 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 21:25:24,472 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 21:25:24,478 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) [2019-11-28 21:25:24,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:25:24,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:24,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:24,517 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 21:25:24,537 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 21:25:24,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:24,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:24,543 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 21:25:24,547 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 21:25:24,570 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 21:25:24,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:24,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:24,577 INFO L402 nArgumentSynthesizer]: A total of 0 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 21:25:24,580 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) [2019-11-28 21:25:24,596 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 21:25:24,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:24,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:24,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:24,605 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 21:25:24,624 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 21:25:24,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:24,635 INFO L402 nArgumentSynthesizer]: A total of 2 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 21:25:24,644 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) [2019-11-28 21:25:24,653 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 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:24,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:24,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:24,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:24,664 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 21:25:24,679 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 21:25:24,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:24,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:25:24,694 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 21:25:24,715 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 21:25:24,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:24,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:25:24,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:24,747 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 21:25:24,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:24,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:24,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:24,754 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 21:25:24,763 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 21:25:24,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:24,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:25:24,788 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 21:25:24,796 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 21:25:24,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:24,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:25:24,809 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 21:25:24,824 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 21:25:24,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:24,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:25:24,839 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) [2019-11-28 21:25:24,851 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 21:25:24,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:24,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:24,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:24,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:24,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:24,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:24,882 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 21:25:25,057 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2019-11-28 21:25:25,057 INFO L444 ModelExtractionUtils]: 14 out of 28 variables were initially zero. Simplification set additionally 11 variables to zero. 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) [2019-11-28 21:25:25,076 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:25,083 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 21:25:25,083 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 21:25:25,085 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2019-11-28 21:25:25,113 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-28 21:25:25,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:25:25,162 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 21:25:25,164 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:25:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:25:25,179 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 21:25:25,180 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:25:25,193 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 21:25:25,212 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 21:25:25,215 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2019-11-28 21:25:25,277 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 36 states and 47 transitions. Complement of second has 7 states. [2019-11-28 21:25:25,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 21:25:25,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 21:25:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-11-28 21:25:25,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 21:25:25,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:25:25,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-28 21:25:25,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:25:25,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 21:25:25,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:25:25,290 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-11-28 21:25:25,294 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 21:25:25,299 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 11 states and 15 transitions. [2019-11-28 21:25:25,300 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-28 21:25:25,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-28 21:25:25,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2019-11-28 21:25:25,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:25:25,302 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-28 21:25:25,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2019-11-28 21:25:25,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-28 21:25:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 21:25:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2019-11-28 21:25:25,335 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-28 21:25:25,335 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-28 21:25:25,336 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:25:25,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2019-11-28 21:25:25,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 21:25:25,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:25:25,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:25:25,338 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:25:25,338 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 21:25:25,339 INFO L794 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 127#L-1 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~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.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; 128#L525 assume !(main_~length1~0 < 1); 132#L525-2 assume !(main_~length2~0 < 1); 133#L528-1 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;main_~i~0 := 0; 123#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 124#L535-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 129#L518-3 [2019-11-28 21:25:25,339 INFO L796 eck$LassoCheckResult]: Loop: 129#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 130#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset;havoc cstrcpy_#t~mem4;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset; 129#L518-3 [2019-11-28 21:25:25,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:25,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2019-11-28 21:25:25,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:25:25,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420082703] [2019-11-28 21:25:25,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:25:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:25,408 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:25:25,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:25,410 INFO L82 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 1 times [2019-11-28 21:25:25,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:25:25,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661280088] [2019-11-28 21:25:25,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:25:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:25,446 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:25:25,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:25,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1302201911, now seen corresponding path program 1 times [2019-11-28 21:25:25,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:25:25,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735916670] [2019-11-28 21:25:25,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:25:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:25:25,657 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 21:25:25,658 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735916670] [2019-11-28 21:25:25,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:25:25,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 21:25:25,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916907140] [2019-11-28 21:25:25,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:25:25,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 21:25:25,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-28 21:25:25,790 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 7 states. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 21:25:25,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:25:25,938 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-11-28 21:25:25,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 21:25:25,940 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-11-28 21:25:25,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 21:25:25,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 15 transitions. [2019-11-28 21:25:25,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-28 21:25:25,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-28 21:25:25,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2019-11-28 21:25:25,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:25:25,943 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-28 21:25:25,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2019-11-28 21:25:25,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-28 21:25:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 21:25:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-28 21:25:25,945 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 21:25:25,945 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 21:25:25,945 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 21:25:25,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-11-28 21:25:25,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 21:25:25,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:25:25,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:25:25,947 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:25:25,947 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 21:25:25,948 INFO L794 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 167#L-1 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~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.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; 168#L525 assume !(main_~length1~0 < 1); 176#L525-2 assume !(main_~length2~0 < 1); 177#L528-1 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;main_~i~0 := 0; 169#L535-3 assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 170#L535-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 171#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 172#L535-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 174#L518-3 [2019-11-28 21:25:25,948 INFO L796 eck$LassoCheckResult]: Loop: 174#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 175#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset;havoc cstrcpy_#t~mem4;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset; 174#L518-3 [2019-11-28 21:25:25,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:25,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2019-11-28 21:25:25,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:25:25,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86753407] [2019-11-28 21:25:25,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:25:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:25,979 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:25:25,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:25,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 2 times [2019-11-28 21:25:25,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:25:25,981 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611319267] [2019-11-28 21:25:25,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:25:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:25,993 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:25:25,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:25,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1633721881, now seen corresponding path program 1 times [2019-11-28 21:25:25,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:25:25,995 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835681305] [2019-11-28 21:25:25,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:25:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:25:26,070 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:25:26,549 WARN L192 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 98 [2019-11-28 21:25:26,690 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-11-28 21:25:26,694 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 21:25:26,694 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 21:25:26,695 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 21:25:26,695 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 21:25:26,695 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 21:25:26,695 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:26,695 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 21:25:26,695 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 21:25:26,695 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration3_Lasso [2019-11-28 21:25:26,695 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 21:25:26,696 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 21:25:26,706 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 21:25:26,709 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 21:25:26,711 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 21:25:26,714 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 21:25:26,716 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 21:25:26,718 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 21:25:26,722 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 21:25:26,726 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 21:25:26,728 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 21:25:26,730 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 21:25:26,732 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 21:25:26,734 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 21:25:26,736 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 21:25:26,740 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 21:25:26,742 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 21:25:26,745 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 21:25:27,035 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-11-28 21:25:27,168 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-11-28 21:25:27,170 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 21:25:27,173 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 21:25:27,175 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 21:25:27,178 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 21:25:27,425 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-11-28 21:25:27,891 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 21:25:27,892 INFO L489 LassoAnalysis]: Using template 'affine'. 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 21:25:27,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:25:27,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:27,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:27,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:27,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:27,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:27,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:27,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:27,910 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) [2019-11-28 21:25:27,933 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 21:25:27,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:27,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:27,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:27,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:27,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:27,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:27,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:27,944 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 21:25:27,952 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 21:25:27,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:27,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:27,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:27,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:27,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:27,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:27,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:27,957 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) [2019-11-28 21:25:27,963 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:27,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:27,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:27,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:27,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:27,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:27,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:27,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:27,967 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 21:25:27,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:25:27,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:27,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:27,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:27,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:27,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:27,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:27,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:27,986 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 21:25:27,997 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 21:25:27,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:27,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:27,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:27,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:28,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:25:28,004 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) [2019-11-28 21:25:28,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:25:28,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:28,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:28,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:28,035 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 21:25:28,048 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 21:25:28,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:28,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:28,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:28,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:28,054 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 21:25:28,061 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 21:25:28,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:28,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:28,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:28,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:28,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:28,070 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 21:25:28,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:28,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:28,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:28,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:28,075 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 21:25:28,082 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 21:25:28,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:28,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:28,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:28,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:28,086 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 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:28,091 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 21:25:28,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:28,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:28,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:28,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:28,095 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 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 21:25:28,102 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 21:25:28,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:28,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:28,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:25:28,108 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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:28,114 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 21:25:28,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:28,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:28,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:28,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:28,118 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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:28,124 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 21:25:28,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:28,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:25:28,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:25:28,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:25:28,131 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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:28,137 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 21:25:28,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:28,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:28,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:25:28,144 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) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:28,149 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 21:25:28,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:25:28,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:25:28,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:25:28,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:25:28,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:25:28,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:25:28,229 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 21:25:28,278 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-28 21:25:28,278 INFO L444 ModelExtractionUtils]: 42 out of 55 variables were initially zero. Simplification set additionally 8 variables to zero. 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 21:25:28,284 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:25:28,288 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 21:25:28,289 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 21:25:28,289 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2) = -2*ULTIMATE.start_cstrcpy_~dst~0.offset + 3*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2 Supporting invariants [3*ULTIMATE.start_cstrcpy_~src~0.offset - 2*ULTIMATE.start_cstrcpy_~dst~0.offset >= 0] [2019-11-28 21:25:28,337 INFO L297 tatePredicateManager]: 10 out of 12 supporting invariants were superfluous and have been removed [2019-11-28 21:25:28,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 21:25:28,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:25:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:25:28,403 INFO L264 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-28 21:25:28,405 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:25:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:25:28,444 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 21:25:28,444 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:25:28,475 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 21:25:28,475 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 21:25:28,475 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-28 21:25:28,518 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 13 states and 16 transitions. Complement of second has 5 states. [2019-11-28 21:25:28,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 21:25:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 21:25:28,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-28 21:25:28,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-28 21:25:28,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:25:28,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-28 21:25:28,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:25:28,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-28 21:25:28,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:25:28,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2019-11-28 21:25:28,521 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 21:25:28,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-11-28 21:25:28,522 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 21:25:28,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 21:25:28,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 21:25:28,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:25:28,522 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:25:28,522 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:25:28,522 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:25:28,522 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 21:25:28,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 21:25:28,523 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 21:25:28,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 21:25:28,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:25:28 BoogieIcfgContainer [2019-11-28 21:25:28,529 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:25:28,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:25:28,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:25:28,530 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:25:28,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:25:22" (3/4) ... [2019-11-28 21:25:28,534 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 21:25:28,535 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:25:28,536 INFO L168 Benchmark]: Toolchain (without parser) took 6686.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 955.0 MB in the beginning and 1.3 GB in the end (delta: -308.8 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-11-28 21:25:28,537 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:25:28,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-28 21:25:28,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.71 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. [2019-11-28 21:25:28,539 INFO L168 Benchmark]: Boogie Preprocessor took 28.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:25:28,540 INFO L168 Benchmark]: RCFGBuilder took 336.73 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 21:25:28,540 INFO L168 Benchmark]: BuchiAutomizer took 5622.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -170.3 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-28 21:25:28,541 INFO L168 Benchmark]: Witness Printer took 4.98 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:25:28,548 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 630.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 336.73 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5622.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -170.3 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.98 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length2 and consists of 5 locations. One deterministic module has affine ranking function -2 * dst + 3 * unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 42 SDslu, 40 SDs, 0 SdLazy, 46 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital170 mio100 ax111 hnf98 lsp84 ukn81 mio100 lsp55 div100 bol100 ite100 ukn100 eq180 hnf89 smp99 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 2 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...