./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 51c86dc5019658537c4cb35ed62637baeb91c588 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:40:55,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:40:55,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:40:55,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:40:55,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:40:55,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:40:55,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:40:55,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:40:55,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:40:55,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:40:55,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:40:55,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:40:55,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:40:55,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:40:55,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:40:55,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:40:55,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:40:55,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:40:55,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:40:55,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:40:55,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:40:55,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:40:55,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:40:55,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:40:55,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:40:55,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:40:55,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:40:55,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:40:55,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:40:55,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:40:55,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:40:55,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:40:55,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:40:55,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:40:55,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:40:55,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:40:55,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:40:55,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:40:55,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:40:55,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:40:55,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:40:55,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:40:55,659 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:40:55,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:40:55,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:40:55,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:40:55,665 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:40:55,665 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:40:55,666 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:40:55,666 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:40:55,666 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:40:55,666 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:40:55,667 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:40:55,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:40:55,667 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:40:55,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:40:55,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:40:55,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:40:55,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:40:55,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:40:55,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:40:55,671 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:40:55,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:40:55,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:40:55,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:40:55,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:40:55,672 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:40:55,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:40:55,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:40:55,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:40:55,673 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:40:55,674 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:40:55,674 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51c86dc5019658537c4cb35ed62637baeb91c588 [2020-10-20 06:40:55,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:40:55,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:40:55,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:40:55,945 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:40:55,946 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:40:55,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2020-10-20 06:40:56,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04252d2a7/d0bd67f6e56f485f996678510b7517ec/FLAG175f48262 [2020-10-20 06:40:56,544 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:40:56,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2020-10-20 06:40:56,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04252d2a7/d0bd67f6e56f485f996678510b7517ec/FLAG175f48262 [2020-10-20 06:40:56,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04252d2a7/d0bd67f6e56f485f996678510b7517ec [2020-10-20 06:40:56,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:40:56,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:40:56,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:40:56,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:40:56,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:40:56,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:40:56" (1/1) ... [2020-10-20 06:40:56,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349a7cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:56, skipping insertion in model container [2020-10-20 06:40:56,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:40:56" (1/1) ... [2020-10-20 06:40:56,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:40:56,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:40:57,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:40:57,315 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:40:57,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:40:57,424 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:40:57,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57 WrapperNode [2020-10-20 06:40:57,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:40:57,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:40:57,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:40:57,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:40:57,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (1/1) ... [2020-10-20 06:40:57,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (1/1) ... [2020-10-20 06:40:57,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:40:57,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:40:57,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:40:57,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:40:57,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (1/1) ... [2020-10-20 06:40:57,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (1/1) ... [2020-10-20 06:40:57,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (1/1) ... [2020-10-20 06:40:57,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (1/1) ... [2020-10-20 06:40:57,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (1/1) ... [2020-10-20 06:40:57,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (1/1) ... [2020-10-20 06:40:57,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (1/1) ... [2020-10-20 06:40:57,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:40:57,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:40:57,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:40:57,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:40:57,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:40:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:40:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:40:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:40:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:40:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:40:57,962 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:40:57,963 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-20 06:40:57,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:40:57 BoogieIcfgContainer [2020-10-20 06:40:57,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:40:57,966 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:40:57,966 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:40:57,970 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:40:57,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:40:57,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:40:56" (1/3) ... [2020-10-20 06:40:57,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@429aa002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:40:57, skipping insertion in model container [2020-10-20 06:40:57,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:40:57,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:57" (2/3) ... [2020-10-20 06:40:57,973 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@429aa002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:40:57, skipping insertion in model container [2020-10-20 06:40:57,973 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:40:57,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:40:57" (3/3) ... [2020-10-20 06:40:57,975 INFO L373 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncpy-alloca-1.i [2020-10-20 06:40:58,019 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:40:58,019 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:40:58,019 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:40:58,020 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:40:58,020 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:40:58,020 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:40:58,021 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:40:58,021 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:40:58,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-20 06:40:58,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-20 06:40:58,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:40:58,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:40:58,061 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:40:58,061 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:40:58,061 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:40:58,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-20 06:40:58,063 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-20 06:40:58,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:40:58,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:40:58,064 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:40:58,064 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:40:58,070 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12.base, main_#t~ret12.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 4#L566true assume !(main_~length~0 < 1); 9#L566-2true assume !(main_~n~0 < 1); 3#L569-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~dst.base, cstrncpy_#in~dst.offset, cstrncpy_#in~src.base, cstrncpy_#in~src.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, cstrncpy_#t~mem5, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, cstrncpy_#t~pre6, cstrncpy_#t~pre2, cstrncpy_~d~0.base, cstrncpy_~d~0.offset, cstrncpy_~s~0.base, cstrncpy_~s~0.offset, cstrncpy_~dst.base, cstrncpy_~dst.offset, cstrncpy_~src.base, cstrncpy_~src.offset, cstrncpy_~n;cstrncpy_~dst.base, cstrncpy_~dst.offset := cstrncpy_#in~dst.base, cstrncpy_#in~dst.offset;cstrncpy_~src.base, cstrncpy_~src.offset := cstrncpy_#in~src.base, cstrncpy_#in~src.offset;cstrncpy_~n := cstrncpy_#in~n; 16#L550true assume 0 != cstrncpy_~n % 4294967296;cstrncpy_~d~0.base, cstrncpy_~d~0.offset := cstrncpy_~dst.base, cstrncpy_~dst.offset;cstrncpy_~s~0.base, cstrncpy_~s~0.offset := cstrncpy_~src.base, cstrncpy_~src.offset; 18#L553-4true [2020-10-20 06:40:58,071 INFO L796 eck$LassoCheckResult]: Loop: 18#L553-4true cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset := cstrncpy_~d~0.base, cstrncpy_~d~0.offset;cstrncpy_~d~0.base, cstrncpy_~d~0.offset := cstrncpy_#t~post3.base, 1 + cstrncpy_#t~post3.offset;cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset := cstrncpy_~s~0.base, cstrncpy_~s~0.offset;cstrncpy_~s~0.base, cstrncpy_~s~0.offset := cstrncpy_#t~post4.base, 1 + cstrncpy_#t~post4.offset;call cstrncpy_#t~mem5 := read~int(cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, 1);call write~int(cstrncpy_#t~mem5, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, 1); 6#L554true assume !(0 == cstrncpy_#t~mem5);havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset;havoc cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset;havoc cstrncpy_#t~mem5; 12#L553-1true cstrncpy_#t~pre2 := cstrncpy_~n - 1;cstrncpy_~n := cstrncpy_~n - 1; 13#L553-2true assume !!(0 != cstrncpy_#t~pre2 % 4294967296);havoc cstrncpy_#t~pre2; 18#L553-4true [2020-10-20 06:40:58,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:58,076 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2020-10-20 06:40:58,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:58,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214050600] [2020-10-20 06:40:58,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:58,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:58,234 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:58,276 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:58,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:58,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1618712, now seen corresponding path program 1 times [2020-10-20 06:40:58,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:58,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22675837] [2020-10-20 06:40:58,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:58,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:58,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:58,319 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:58,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:58,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1592246563, now seen corresponding path program 1 times [2020-10-20 06:40:58,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:58,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639028074] [2020-10-20 06:40:58,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:58,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:58,443 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:58,453 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:59,039 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2020-10-20 06:40:59,229 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-20 06:40:59,243 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:40:59,243 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:40:59,244 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:40:59,244 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:40:59,244 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:40:59,244 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:59,244 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:40:59,244 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:40:59,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-1.i_Iteration1_Lasso [2020-10-20 06:40:59,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:40:59,245 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:40:59,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,744 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2020-10-20 06:40:59,932 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2020-10-20 06:40:59,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:59,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:41:00,359 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-10-20 06:41:00,554 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-10-20 06:41:00,846 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-10-20 06:41:00,939 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:41:00,947 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:00,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:00,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:00,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:00,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:00,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:00,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:00,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:00,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:00,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:01,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:01,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:01,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:01,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:01,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:01,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:01,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:01,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:01,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:01,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:01,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:01,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:01,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:01,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:01,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:01,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:01,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:01,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:01,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:01,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:01,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:01,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:01,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:01,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:01,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:01,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:01,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:01,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:01,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:01,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,445 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:41:01,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,446 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:41:01,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:41:01,449 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:01,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:01,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:01,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:01,586 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) [2020-10-20 06:41:01,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:01,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,653 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) [2020-10-20 06:41:01,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:01,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:01,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:01,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:41:01,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:01,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:01,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:01,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:01,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:01,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:01,842 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:41:01,880 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 06:41:01,880 INFO L444 ModelExtractionUtils]: 43 out of 49 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:01,907 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:01,911 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:41:01,911 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:41:01,912 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1) = -1*ULTIMATE.start_cstrncpy_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 Supporting invariants [] [2020-10-20 06:41:02,107 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-10-20 06:41:02,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:41:02,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:41:02,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:41:02,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:41:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:41:02,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 06:41:02,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:41:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:41:02,405 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 [2020-10-20 06:41:02,407 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 4 states. [2020-10-20 06:41:02,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 4 states. Result 37 states and 46 transitions. Complement of second has 7 states. [2020-10-20 06:41:02,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:41:02,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:41:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2020-10-20 06:41:02,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-20 06:41:02,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:02,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-20 06:41:02,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:02,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 8 letters. [2020-10-20 06:41:02,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:02,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2020-10-20 06:41:02,553 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:41:02,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2020-10-20 06:41:02,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:41:02,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:41:02,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:41:02,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:41:02,558 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:41:02,558 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:41:02,558 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:41:02,558 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:41:02,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:41:02,558 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:41:02,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:41:02,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:41:02 BoogieIcfgContainer [2020-10-20 06:41:02,565 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:41:02,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:41:02,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:41:02,566 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:41:02,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:40:57" (3/4) ... [2020-10-20 06:41:02,570 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:41:02,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:41:02,572 INFO L168 Benchmark]: Toolchain (without parser) took 5731.42 ms. Allocated memory was 35.7 MB in the beginning and 74.4 MB in the end (delta: 38.8 MB). Free memory was 15.7 MB in the beginning and 37.0 MB in the end (delta: -21.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:02,573 INFO L168 Benchmark]: CDTParser took 1.15 ms. Allocated memory is still 33.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:41:02,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.35 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 14.7 MB in the beginning and 15.0 MB in the end (delta: -268.4 kB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:02,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.66 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 15.0 MB in the beginning and 27.7 MB in the end (delta: -12.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:02,576 INFO L168 Benchmark]: Boogie Preprocessor took 34.64 ms. Allocated memory is still 45.6 MB. Free memory was 27.7 MB in the beginning and 25.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:02,577 INFO L168 Benchmark]: RCFGBuilder took 423.27 ms. Allocated memory was 45.6 MB in the beginning and 46.1 MB in the end (delta: 524.3 kB). Free memory was 25.9 MB in the beginning and 24.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:02,578 INFO L168 Benchmark]: BuchiAutomizer took 4598.77 ms. Allocated memory was 46.1 MB in the beginning and 74.4 MB in the end (delta: 28.3 MB). Free memory was 24.3 MB in the beginning and 37.8 MB in the end (delta: -13.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:02,579 INFO L168 Benchmark]: Witness Printer took 5.11 ms. Allocated memory is still 74.4 MB. Free memory was 37.8 MB in the beginning and 37.0 MB in the end (delta: 760.3 kB). Peak memory consumption was 760.3 kB. Max. memory is 14.3 GB. [2020-10-20 06:41:02,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 ms. Allocated memory is still 33.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 577.35 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 14.7 MB in the beginning and 15.0 MB in the end (delta: -268.4 kB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 80.66 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 15.0 MB in the beginning and 27.7 MB in the end (delta: -12.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 34.64 ms. Allocated memory is still 45.6 MB. Free memory was 27.7 MB in the beginning and 25.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 423.27 ms. Allocated memory was 45.6 MB in the beginning and 46.1 MB in the end (delta: 524.3 kB). Free memory was 25.9 MB in the beginning and 24.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 4598.77 ms. Allocated memory was 46.1 MB in the beginning and 74.4 MB in the end (delta: 28.3 MB). Free memory was 24.3 MB in the beginning and 37.8 MB in the end (delta: -13.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. * Witness Printer took 5.11 ms. Allocated memory is still 74.4 MB. Free memory was 37.8 MB in the beginning and 37.0 MB in the end (delta: 760.3 kB). Peak memory consumption was 760.3 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 21 SDslu, 15 SDs, 0 SdLazy, 10 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital229 mio100 ax107 hnf99 lsp90 ukn95 mio100 lsp52 div169 bol100 ite100 ukn100 eq177 hnf63 smp93 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...