./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/cstrncat-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 0131b237d1353fa18fec727a7424c78c2056aaff ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:35:28,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:35:28,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:35:28,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:35:28,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:35:28,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:35:28,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:35:28,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:35:28,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:35:28,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:35:28,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:35:28,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:35:28,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:35:28,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:35:28,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:35:28,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:35:28,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:35:28,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:35:28,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:35:28,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:35:28,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:35:28,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:35:28,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:35:28,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:35:28,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:35:28,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:35:28,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:35:28,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:35:28,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:35:28,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:35:28,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:35:28,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:35:28,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:35:28,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:35:28,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:35:28,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:35:28,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:35:28,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:35:28,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:35:28,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:35:28,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:35:28,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:35:28,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:35:28,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:35:28,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:35:28,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:35:28,579 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:35:28,579 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:35:28,580 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:35:28,580 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:35:28,580 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:35:28,580 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:35:28,581 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:35:28,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:35:28,582 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:35:28,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:35:28,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:35:28,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:35:28,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:35:28,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:35:28,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:35:28,584 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:35:28,584 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:35:28,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:35:28,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:35:28,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:35:28,585 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:35:28,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:35:28,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:35:28,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:35:28,587 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:35:28,588 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:35:28,589 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 -> 0131b237d1353fa18fec727a7424c78c2056aaff [2020-07-29 01:35:28,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:35:28,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:35:28,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:35:28,911 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:35:28,911 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:35:28,912 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2020-07-29 01:35:28,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a36b63579/4afc66d902b7461eb9092389499924b7/FLAGf6a2f5bf9 [2020-07-29 01:35:29,534 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:35:29,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2020-07-29 01:35:29,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a36b63579/4afc66d902b7461eb9092389499924b7/FLAGf6a2f5bf9 [2020-07-29 01:35:29,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a36b63579/4afc66d902b7461eb9092389499924b7 [2020-07-29 01:35:29,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:35:29,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:35:29,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:35:29,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:35:29,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:35:29,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:35:29" (1/1) ... [2020-07-29 01:35:29,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc2697e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:29, skipping insertion in model container [2020-07-29 01:35:29,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:35:29" (1/1) ... [2020-07-29 01:35:29,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:35:29,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:35:30,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:35:30,372 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:35:30,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:35:30,502 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:35:30,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30 WrapperNode [2020-07-29 01:35:30,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:35:30,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:35:30,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:35:30,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:35:30,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (1/1) ... [2020-07-29 01:35:30,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (1/1) ... [2020-07-29 01:35:30,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:35:30,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:35:30,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:35:30,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:35:30,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (1/1) ... [2020-07-29 01:35:30,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (1/1) ... [2020-07-29 01:35:30,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (1/1) ... [2020-07-29 01:35:30,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (1/1) ... [2020-07-29 01:35:30,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (1/1) ... [2020-07-29 01:35:30,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (1/1) ... [2020-07-29 01:35:30,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (1/1) ... [2020-07-29 01:35:30,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:35:30,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:35:30,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:35:30,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:35:30,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:35:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:35:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:35:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:35:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:35:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:35:31,123 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:35:31,124 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-29 01:35:31,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:35:31 BoogieIcfgContainer [2020-07-29 01:35:31,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:35:31,129 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:35:31,129 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:35:31,133 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:35:31,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:35:31,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:35:29" (1/3) ... [2020-07-29 01:35:31,135 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4aafafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:35:31, skipping insertion in model container [2020-07-29 01:35:31,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:35:31,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:35:30" (2/3) ... [2020-07-29 01:35:31,136 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4aafafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:35:31, skipping insertion in model container [2020-07-29 01:35:31,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:35:31,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:35:31" (3/3) ... [2020-07-29 01:35:31,139 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncat-alloca-1.i [2020-07-29 01:35:31,201 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:35:31,201 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:35:31,201 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:35:31,201 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:35:31,202 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:35:31,202 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:35:31,202 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:35:31,203 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:35:31,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-07-29 01:35:31,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-07-29 01:35:31,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:35:31,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:35:31,248 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:35:31,248 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:35:31,248 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:35:31,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-07-29 01:35:31,252 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-07-29 01:35:31,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:35:31,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:35:31,253 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:35:31,253 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:35:31,264 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 13#L564true assume !(main_~length1~0 < 1); 16#L564-2true assume !(main_~length2~0 < 1); 10#L567-1true assume !(main_~n~0 < 1); 4#L570-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 7#L550-3true [2020-07-29 01:35:31,265 INFO L796 eck$LassoCheckResult]: Loop: 7#L550-3true call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 20#L550-1true assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 7#L550-3true [2020-07-29 01:35:31,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:35:31,271 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2020-07-29 01:35:31,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:35:31,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924789176] [2020-07-29 01:35:31,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:35:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:31,433 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:31,498 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:31,540 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:35:31,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:35:31,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2020-07-29 01:35:31,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:35:31,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936659654] [2020-07-29 01:35:31,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:35:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:31,551 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:31,556 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:31,559 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:35:31,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:35:31,561 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2020-07-29 01:35:31,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:35:31,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805718368] [2020-07-29 01:35:31,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:35:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:31,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:35:31,621 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:35:31,629 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:35:32,203 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 95 [2020-07-29 01:35:32,403 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-29 01:35:32,417 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:35:32,418 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:35:32,418 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:35:32,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:35:32,419 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:35:32,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:32,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:35:32,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:35:32,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-1.i_Iteration1_Lasso [2020-07-29 01:35:32,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:35:32,420 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:35:32,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:32,971 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2020-07-29 01:35:33,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:33,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:33,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:33,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:35:34,114 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:35:34,120 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:35:34,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,135 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) [2020-07-29 01:35:34,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:34,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:34,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:34,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,381 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:35:34,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:34,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:34,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:35:34,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,537 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 [2020-07-29 01:35:34,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,631 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) [2020-07-29 01:35:34,654 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:34,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:34,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,790 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) [2020-07-29 01:35:34,814 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:34,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:35:34,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:34,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:34,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:34,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:34,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:34,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:34,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:34,939 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) [2020-07-29 01:35:34,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:34,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:34,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:34,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:34,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:34,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:34,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:34,998 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) [2020-07-29 01:35:35,048 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 [2020-07-29 01:35:35,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:35,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:35,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:35,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:35,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:35,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:35,059 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) [2020-07-29 01:35:35,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:35,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:35,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:35,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:35,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:35,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:35,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:35,111 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:35:35,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:35,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:35,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:35:35,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:35,148 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:35:35,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:35,150 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:35:35,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:35:35,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 [2020-07-29 01:35:35,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:35,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:35,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:35,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:35,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:35,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:35,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:35,186 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 [2020-07-29 01:35:35,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:35:35,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:35:35,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:35:35,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:35:35,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:35:35,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:35:35,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:35:35,254 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:35:35,465 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2020-07-29 01:35:35,465 INFO L444 ModelExtractionUtils]: 12 out of 43 variables were initially zero. Simplification set additionally 28 variables to zero. 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) [2020-07-29 01:35:35,474 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:35:35,481 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:35:35,482 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:35:35,483 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1, ULTIMATE.start_cstrncat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 - 1*ULTIMATE.start_cstrncat_~s~0.offset Supporting invariants [] [2020-07-29 01:35:35,569 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2020-07-29 01:35:35,577 INFO L393 LassoCheck]: Loop: "call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1);" "assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset;" [2020-07-29 01:35:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:35,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 01:35:35,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:35:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:35,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-29 01:35:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:35,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:35:35,699 INFO L280 TraceCheckUtils]: 0: Hoare triple {28#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {28#unseeded} is VALID [2020-07-29 01:35:35,702 INFO L280 TraceCheckUtils]: 1: Hoare triple {28#unseeded} havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; {28#unseeded} is VALID [2020-07-29 01:35:35,703 INFO L280 TraceCheckUtils]: 2: Hoare triple {28#unseeded} assume !(main_~length1~0 < 1); {28#unseeded} is VALID [2020-07-29 01:35:35,704 INFO L280 TraceCheckUtils]: 3: Hoare triple {28#unseeded} assume !(main_~length2~0 < 1); {28#unseeded} is VALID [2020-07-29 01:35:35,705 INFO L280 TraceCheckUtils]: 4: Hoare triple {28#unseeded} assume !(main_~n~0 < 1); {28#unseeded} is VALID [2020-07-29 01:35:35,708 INFO L280 TraceCheckUtils]: 5: Hoare triple {28#unseeded} assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; {87#(and (= |ULTIMATE.start_main_#t~malloc13.base| ULTIMATE.start_cstrncat_~s~0.base) unseeded)} is VALID [2020-07-29 01:35:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:35,718 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-29 01:35:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:35,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:35:35,759 INFO L280 TraceCheckUtils]: 0: Hoare triple {88#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc13.base|) (* (- 1) ULTIMATE.start_cstrncat_~s~0.offset))) (= |ULTIMATE.start_main_#t~malloc13.base| ULTIMATE.start_cstrncat_~s~0.base))} call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); {111#(and (<= (+ ULTIMATE.start_cstrncat_~s~0.offset 1) (select |#length| ULTIMATE.start_cstrncat_~s~0.base)) (<= (select |#length| |ULTIMATE.start_main_#t~malloc13.base|) (+ oldRank0 ULTIMATE.start_cstrncat_~s~0.offset)) (= |ULTIMATE.start_main_#t~malloc13.base| ULTIMATE.start_cstrncat_~s~0.base))} is VALID [2020-07-29 01:35:35,761 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#(and (<= (+ ULTIMATE.start_cstrncat_~s~0.offset 1) (select |#length| ULTIMATE.start_cstrncat_~s~0.base)) (<= (select |#length| |ULTIMATE.start_main_#t~malloc13.base|) (+ oldRank0 ULTIMATE.start_cstrncat_~s~0.offset)) (= |ULTIMATE.start_main_#t~malloc13.base| ULTIMATE.start_cstrncat_~s~0.base))} assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; {90#(and (or (and (> oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc13.base|) (* (- 1) ULTIMATE.start_cstrncat_~s~0.offset))) (>= oldRank0 0)) unseeded) (= |ULTIMATE.start_main_#t~malloc13.base| ULTIMATE.start_cstrncat_~s~0.base))} is VALID [2020-07-29 01:35:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:35:35,774 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:35:35,800 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:35:35,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:35,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:35,814 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:35:35,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2020-07-29 01:35:36,079 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 50 states and 73 transitions. Complement of second has 8 states. [2020-07-29 01:35:36,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:35:36,080 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:35:36,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-07-29 01:35:36,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-07-29 01:35:36,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:35:36,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:35:36,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:35:36,093 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:35:36,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:35:36,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:35:36,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 73 transitions. [2020-07-29 01:35:36,097 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:35:36,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:35:36,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:35:36,100 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 18 states. [2020-07-29 01:35:36,102 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-07-29 01:35:36,104 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 5 examples of accepted words. [2020-07-29 01:35:36,104 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:35:36,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:35:36,109 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:35:36,109 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 50 states and 73 transitions. cyclomatic complexity: 27 [2020-07-29 01:35:36,110 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:35:36,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:36,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:36,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:36,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:36,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:36,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:36,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:35:36,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:35:36,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:35:36,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 50 letters. Loop has 50 letters. [2020-07-29 01:35:36,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 50 letters. Loop has 50 letters. [2020-07-29 01:35:36,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 50 letters. Loop has 50 letters. [2020-07-29 01:35:36,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 18 letters. Loop has 18 letters. [2020-07-29 01:35:36,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 18 letters. Loop has 18 letters. [2020-07-29 01:35:36,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 18 letters. Loop has 18 letters. [2020-07-29 01:35:36,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:35:36,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:35:36,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:35:36,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:35:36,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:35:36,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:35:36,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:35:36,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:35:36,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:35:36,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:35:36,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:35:36,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:35:36,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:35:36,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:35:36,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:35:36,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:36,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:36,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:36,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:35:36,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:35:36,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:35:36,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:36,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:36,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:35:36,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:35:36,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:35:36,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:35:36,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:35:36,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:35:36,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:35:36,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states. Stem has 15 letters. Loop has 3 letters. [2020-07-29 01:35:36,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 15 letters. Loop has 3 letters. [2020-07-29 01:35:36,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 50 states and 73 transitions. cyclomatic complexity: 27 Stem has 15 letters. Loop has 3 letters. [2020-07-29 01:35:36,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,133 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:35:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:35:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2020-07-29 01:35:36,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:35:36,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:35:36,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:35:36,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:35:36,139 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 73 transitions. cyclomatic complexity: 27 [2020-07-29 01:35:36,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:35:36,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 20 states and 27 transitions. [2020-07-29 01:35:36,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-07-29 01:35:36,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-07-29 01:35:36,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2020-07-29 01:35:36,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:35:36,154 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2020-07-29 01:35:36,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2020-07-29 01:35:36,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2020-07-29 01:35:36,180 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:35:36,180 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states and 27 transitions. Second operand 19 states. [2020-07-29 01:35:36,181 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states and 27 transitions. Second operand 19 states. [2020-07-29 01:35:36,183 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. Second operand 19 states. [2020-07-29 01:35:36,186 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:35:36,190 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2020-07-29 01:35:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2020-07-29 01:35:36,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:35:36,192 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:35:36,192 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 20 states and 27 transitions. [2020-07-29 01:35:36,192 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 20 states and 27 transitions. [2020-07-29 01:35:36,193 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:35:36,196 INFO L93 Difference]: Finished difference Result 21 states and 29 transitions. [2020-07-29 01:35:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2020-07-29 01:35:36,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:35:36,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:35:36,197 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:35:36,197 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:35:36,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-29 01:35:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2020-07-29 01:35:36,200 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2020-07-29 01:35:36,200 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2020-07-29 01:35:36,200 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:35:36,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2020-07-29 01:35:36,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:35:36,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:35:36,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:35:36,202 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 01:35:36,202 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:35:36,202 INFO L794 eck$LassoCheckResult]: Stem: 188#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 181#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 182#L564 assume !(main_~length1~0 < 1); 183#L564-2 assume !(main_~length2~0 < 1); 191#L567-1 assume !(main_~n~0 < 1); 184#L570-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 185#L550-3 call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 186#L550-1 assume !(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2; 179#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 180#L552 assume !cstrncat_#t~short6; 190#L552-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~short6;havoc cstrncat_#t~mem5;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 194#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 178#L552 [2020-07-29 01:35:36,202 INFO L796 eck$LassoCheckResult]: Loop: 178#L552 assume !cstrncat_#t~short6; 189#L552-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~short6;havoc cstrncat_#t~mem5;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 177#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 178#L552 [2020-07-29 01:35:36,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:35:36,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2020-07-29 01:35:36,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:35:36,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121349461] [2020-07-29 01:35:36,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:35:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:36,272 INFO L280 TraceCheckUtils]: 0: Hoare triple {303#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {303#true} is VALID [2020-07-29 01:35:36,272 INFO L280 TraceCheckUtils]: 1: Hoare triple {303#true} havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; {303#true} is VALID [2020-07-29 01:35:36,272 INFO L280 TraceCheckUtils]: 2: Hoare triple {303#true} assume !(main_~length1~0 < 1); {303#true} is VALID [2020-07-29 01:35:36,273 INFO L280 TraceCheckUtils]: 3: Hoare triple {303#true} assume !(main_~length2~0 < 1); {303#true} is VALID [2020-07-29 01:35:36,273 INFO L280 TraceCheckUtils]: 4: Hoare triple {303#true} assume !(main_~n~0 < 1); {303#true} is VALID [2020-07-29 01:35:36,273 INFO L280 TraceCheckUtils]: 5: Hoare triple {303#true} assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; {303#true} is VALID [2020-07-29 01:35:36,273 INFO L280 TraceCheckUtils]: 6: Hoare triple {303#true} call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); {303#true} is VALID [2020-07-29 01:35:36,274 INFO L280 TraceCheckUtils]: 7: Hoare triple {303#true} assume !(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2; {303#true} is VALID [2020-07-29 01:35:36,274 INFO L280 TraceCheckUtils]: 8: Hoare triple {303#true} cstrncat_#t~short6 := 0 != cstrncat_~n; {303#true} is VALID [2020-07-29 01:35:36,275 INFO L280 TraceCheckUtils]: 9: Hoare triple {303#true} assume !cstrncat_#t~short6; {305#(not |ULTIMATE.start_cstrncat_#t~short6|)} is VALID [2020-07-29 01:35:36,275 INFO L280 TraceCheckUtils]: 10: Hoare triple {305#(not |ULTIMATE.start_cstrncat_#t~short6|)} assume !!cstrncat_#t~short6;havoc cstrncat_#t~short6;havoc cstrncat_#t~mem5;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; {304#false} is VALID [2020-07-29 01:35:36,276 INFO L280 TraceCheckUtils]: 11: Hoare triple {304#false} cstrncat_#t~short6 := 0 != cstrncat_~n; {304#false} is VALID [2020-07-29 01:35:36,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:35:36,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121349461] [2020-07-29 01:35:36,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:35:36,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-29 01:35:36,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507388229] [2020-07-29 01:35:36,281 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-07-29 01:35:36,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:35:36,282 INFO L82 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2020-07-29 01:35:36,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:35:36,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921731194] [2020-07-29 01:35:36,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:35:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:35:36,295 INFO L280 TraceCheckUtils]: 0: Hoare triple {306#true} assume !cstrncat_#t~short6; {308#(not |ULTIMATE.start_cstrncat_#t~short6|)} is VALID [2020-07-29 01:35:36,296 INFO L280 TraceCheckUtils]: 1: Hoare triple {308#(not |ULTIMATE.start_cstrncat_#t~short6|)} assume !!cstrncat_#t~short6;havoc cstrncat_#t~short6;havoc cstrncat_#t~mem5;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; {307#false} is VALID [2020-07-29 01:35:36,296 INFO L280 TraceCheckUtils]: 2: Hoare triple {307#false} cstrncat_#t~short6 := 0 != cstrncat_~n; {307#false} is VALID [2020-07-29 01:35:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:35:36,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921731194] [2020-07-29 01:35:36,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:35:36,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 01:35:36,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954065873] [2020-07-29 01:35:36,298 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-29 01:35:36,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:35:36,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 01:35:36,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:35:36,302 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand 3 states. [2020-07-29 01:35:36,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:35:36,339 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2020-07-29 01:35:36,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 01:35:36,339 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:35:36,343 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:35:36,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2020-07-29 01:35:36,346 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:35:36,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2020-07-29 01:35:36,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:35:36,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:35:36,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:35:36,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:35:36,347 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:35:36,347 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:35:36,347 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:35:36,347 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-29 01:35:36,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:35:36,347 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:35:36,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:35:36,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:35:36 BoogieIcfgContainer [2020-07-29 01:35:36,354 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:35:36,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:35:36,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:35:36,355 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:35:36,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:35:31" (3/4) ... [2020-07-29 01:35:36,359 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:35:36,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:35:36,361 INFO L168 Benchmark]: Toolchain (without parser) took 6538.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.8 MB). Free memory was 961.6 MB in the beginning and 1.3 GB in the end (delta: -297.0 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:35:36,361 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:35:36,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:35:36,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:35:36,363 INFO L168 Benchmark]: Boogie Preprocessor took 34.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:35:36,364 INFO L168 Benchmark]: RCFGBuilder took 533.99 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: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:35:36,365 INFO L168 Benchmark]: BuchiAutomizer took 5225.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 162.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -168.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:35:36,365 INFO L168 Benchmark]: Witness Printer took 4.48 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. [2020-07-29 01:35:36,368 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 678.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.01 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 34.83 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 533.99 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: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5225.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 162.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -168.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.48 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 34 SDslu, 20 SDs, 0 SdLazy, 19 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital198 mio100 ax109 hnf98 lsp88 ukn76 mio100 lsp43 div100 bol100 ite100 ukn100 eq187 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms 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...