./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcat_mixed_alloca.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-15/cstrcat_mixed_alloca.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 da8216583f63c00b6a47f47712e26111f4383b57 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:39:09,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:39:09,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:39:09,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:39:09,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:39:09,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:39:09,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:39:09,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:39:09,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:39:09,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:39:09,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:39:09,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:39:09,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:39:09,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:39:09,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:39:09,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:39:09,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:39:09,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:39:09,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:39:09,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:39:09,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:39:09,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:39:09,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:39:09,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:39:09,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:39:09,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:39:09,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:39:09,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:39:09,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:39:09,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:39:09,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:39:09,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:39:09,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:39:09,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:39:09,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:39:09,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:39:09,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:39:09,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:39:09,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:39:09,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:39:09,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:39:09,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:39:09,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:39:09,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:39:09,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:39:09,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:39:09,509 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:39:09,509 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:39:09,509 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:39:09,510 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:39:09,510 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:39:09,510 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:39:09,510 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:39:09,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:39:09,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:39:09,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:39:09,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:39:09,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:39:09,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:39:09,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:39:09,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:39:09,513 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:39:09,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:39:09,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:39:09,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:39:09,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:39:09,514 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:39:09,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:39:09,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:39:09,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:39:09,516 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:39:09,517 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:39:09,517 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 -> da8216583f63c00b6a47f47712e26111f4383b57 [2020-07-29 01:39:09,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:39:09,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:39:09,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:39:09,895 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:39:09,899 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:39:09,900 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcat_mixed_alloca.i [2020-07-29 01:39:09,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fa6088a/86d529cc06ea4951a86bb6343811fe63/FLAG1f21b8b37 [2020-07-29 01:39:10,508 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:39:10,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcat_mixed_alloca.i [2020-07-29 01:39:10,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fa6088a/86d529cc06ea4951a86bb6343811fe63/FLAG1f21b8b37 [2020-07-29 01:39:10,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fa6088a/86d529cc06ea4951a86bb6343811fe63 [2020-07-29 01:39:10,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:39:10,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:39:10,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:10,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:39:10,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:39:10,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:10" (1/1) ... [2020-07-29 01:39:10,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44369be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:10, skipping insertion in model container [2020-07-29 01:39:10,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:10" (1/1) ... [2020-07-29 01:39:10,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:39:10,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:39:11,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:11,426 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:39:11,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:11,547 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:39:11,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11 WrapperNode [2020-07-29 01:39:11,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:11,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:11,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:39:11,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:39:11,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (1/1) ... [2020-07-29 01:39:11,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (1/1) ... [2020-07-29 01:39:11,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:11,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:39:11,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:39:11,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:39:11,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (1/1) ... [2020-07-29 01:39:11,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (1/1) ... [2020-07-29 01:39:11,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (1/1) ... [2020-07-29 01:39:11,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (1/1) ... [2020-07-29 01:39:11,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (1/1) ... [2020-07-29 01:39:11,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (1/1) ... [2020-07-29 01:39:11,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (1/1) ... [2020-07-29 01:39:11,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:39:11,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:39:11,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:39:11,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:39:11,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (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 01:39:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:39:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:39:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:39:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:39:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:39:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:39:12,170 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:39:12,171 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-29 01:39:12,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:12 BoogieIcfgContainer [2020-07-29 01:39:12,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:39:12,176 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:39:12,177 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:39:12,180 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:39:12,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:12,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:39:10" (1/3) ... [2020-07-29 01:39:12,184 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e9f2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:12, skipping insertion in model container [2020-07-29 01:39:12,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:12,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:11" (2/3) ... [2020-07-29 01:39:12,185 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e9f2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:12, skipping insertion in model container [2020-07-29 01:39:12,185 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:12,185 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:12" (3/3) ... [2020-07-29 01:39:12,187 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcat_mixed_alloca.i [2020-07-29 01:39:12,242 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:39:12,242 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:39:12,242 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:39:12,243 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:39:12,247 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:39:12,248 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:39:12,248 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:39:12,248 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:39:12,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:12,288 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:12,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:12,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:12,294 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:39:12,294 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:39:12,294 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:39:12,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:12,298 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:12,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:12,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:12,299 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:39:12,299 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:39:12,306 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet210, main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet210;havoc main_#t~nondet210;main_~length2~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~length3~0 := main_#t~nondet212;havoc main_#t~nondet212; 3#L377true assume !(main_~length1~0 < 1); 6#L377-2true assume !(main_~length2~0 < 2); 15#L380-1true assume !(main_~length3~0 < 1); 10#L383-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);cstrcat_#in~s1.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.base, cstrcat_#in~s2.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset, cstrcat_#t~mem205, cstrcat_#t~post207.base, cstrcat_#t~post207.offset, cstrcat_#t~post208.base, cstrcat_#t~post208.offset, cstrcat_#t~mem209, cstrcat_~s1.base, cstrcat_~s1.offset, cstrcat_~s2.base, cstrcat_~s2.offset, cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s1.base, cstrcat_~s1.offset := cstrcat_#in~s1.base, cstrcat_#in~s1.offset;cstrcat_~s2.base, cstrcat_~s2.offset := cstrcat_#in~s2.base, cstrcat_#in~s2.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_~s1.base, cstrcat_~s1.offset; 7#L367-3true [2020-07-29 01:39:12,306 INFO L796 eck$LassoCheckResult]: Loop: 7#L367-3true call cstrcat_#t~mem205 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1); 4#L367-1true assume !!(0 != cstrcat_#t~mem205);havoc cstrcat_#t~mem205;cstrcat_#t~post206.base, cstrcat_#t~post206.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post206.base, 1 + cstrcat_#t~post206.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset; 7#L367-3true [2020-07-29 01:39:12,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:12,312 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2020-07-29 01:39:12,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:12,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789682103] [2020-07-29 01:39:12,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:12,447 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:12,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:12,505 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:12,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:12,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2020-07-29 01:39:12,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:12,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099803390] [2020-07-29 01:39:12,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:12,516 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:12,521 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:12,524 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:12,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:12,526 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2020-07-29 01:39:12,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:12,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846514170] [2020-07-29 01:39:12,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:12,572 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:12,598 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:12,612 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:13,146 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 93 [2020-07-29 01:39:13,335 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-29 01:39:13,349 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:39:13,350 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:39:13,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:39:13,351 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:39:13,351 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:39:13,351 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:13,352 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:39:13,352 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:39:13,352 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat_mixed_alloca.i_Iteration1_Lasso [2020-07-29 01:39:13,352 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:39:13,353 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:39:13,405 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 01:39:13,415 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 01:39:13,421 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 01:39:13,425 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 01:39:13,433 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 01:39:13,790 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2020-07-29 01:39:13,869 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 01:39:13,875 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 01:39:13,881 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 01:39:13,886 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 01:39:13,890 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 01:39:13,894 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 01:39:13,899 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 01:39:13,903 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 01:39:13,907 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 01:39:13,911 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 01:39:13,915 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 01:39:13,920 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 01:39:13,924 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 01:39:13,928 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 01:39:14,800 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:39:14,806 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:14,826 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 01:39:14,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:14,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:14,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:14,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:14,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:14,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:14,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:14,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:14,890 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 01:39:14,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:14,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:14,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:14,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:14,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:14,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:14,901 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 01:39:14,928 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 01:39:14,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:14,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:14,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:14,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:14,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:14,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:14,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:14,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 01:39:14,958 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 01:39:14,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:14,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:14,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:14,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:14,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:14,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:14,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:14,963 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 01:39:14,987 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 01:39:14,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:14,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:14,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:14,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:14,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:14,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:15,000 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 01:39:15,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:15,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:15,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:15,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:15,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:15,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:15,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:15,039 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 01:39:15,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:15,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:15,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:15,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:15,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:15,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:15,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:15,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:15,098 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 01:39:15,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:15,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:15,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:15,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:15,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:15,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:15,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:15,131 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 01:39:15,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:15,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:15,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:15,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:15,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:15,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:15,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:39:15,338 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-07-29 01:39:15,339 INFO L444 ModelExtractionUtils]: 37 out of 49 variables were initially zero. Simplification set additionally 9 variables to zero. 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 01:39:15,348 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:39:15,356 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:39:15,357 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:39:15,357 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcat_~s~0.base)_1, ULTIMATE.start_cstrcat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcat_~s~0.base)_1 - 1*ULTIMATE.start_cstrcat_~s~0.offset Supporting invariants [] [2020-07-29 01:39:15,438 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2020-07-29 01:39:15,443 INFO L393 LassoCheck]: Loop: "call cstrcat_#t~mem205 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1);" "assume !!(0 != cstrcat_#t~mem205);havoc cstrcat_#t~mem205;cstrcat_#t~post206.base, cstrcat_#t~post206.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post206.base, 1 + cstrcat_#t~post206.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset;" [2020-07-29 01:39:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:15,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 01:39:15,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:15,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:39:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:15,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:15,559 INFO L280 TraceCheckUtils]: 0: Hoare triple {25#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {25#unseeded} is VALID [2020-07-29 01:39:15,560 INFO L280 TraceCheckUtils]: 1: Hoare triple {25#unseeded} havoc main_#res;havoc main_#t~nondet210, main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet210;havoc main_#t~nondet210;main_~length2~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~length3~0 := main_#t~nondet212;havoc main_#t~nondet212; {25#unseeded} is VALID [2020-07-29 01:39:15,560 INFO L280 TraceCheckUtils]: 2: Hoare triple {25#unseeded} assume !(main_~length1~0 < 1); {25#unseeded} is VALID [2020-07-29 01:39:15,561 INFO L280 TraceCheckUtils]: 3: Hoare triple {25#unseeded} assume !(main_~length2~0 < 2); {25#unseeded} is VALID [2020-07-29 01:39:15,562 INFO L280 TraceCheckUtils]: 4: Hoare triple {25#unseeded} assume !(main_~length3~0 < 1); {25#unseeded} is VALID [2020-07-29 01:39:15,563 INFO L280 TraceCheckUtils]: 5: Hoare triple {25#unseeded} assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);cstrcat_#in~s1.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.base, cstrcat_#in~s2.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset, cstrcat_#t~mem205, cstrcat_#t~post207.base, cstrcat_#t~post207.offset, cstrcat_#t~post208.base, cstrcat_#t~post208.offset, cstrcat_#t~mem209, cstrcat_~s1.base, cstrcat_~s1.offset, cstrcat_~s2.base, cstrcat_~s2.offset, cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s1.base, cstrcat_~s1.offset := cstrcat_#in~s1.base, cstrcat_#in~s1.offset;cstrcat_~s2.base, cstrcat_~s2.offset := cstrcat_#in~s2.base, cstrcat_#in~s2.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_~s1.base, cstrcat_~s1.offset; {25#unseeded} is VALID [2020-07-29 01:39:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:15,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-29 01:39:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:15,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:15,610 INFO L280 TraceCheckUtils]: 0: Hoare triple {28#(>= oldRank0 (+ (select |#length| ULTIMATE.start_cstrcat_~s~0.base) (* (- 1) ULTIMATE.start_cstrcat_~s~0.offset)))} call cstrcat_#t~mem205 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1); {98#(and (<= (select |#length| ULTIMATE.start_cstrcat_~s~0.base) (+ ULTIMATE.start_cstrcat_~s~0.offset oldRank0)) (<= (+ ULTIMATE.start_cstrcat_~s~0.offset 1) (select |#length| ULTIMATE.start_cstrcat_~s~0.base)))} is VALID [2020-07-29 01:39:15,612 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#(and (<= (select |#length| ULTIMATE.start_cstrcat_~s~0.base) (+ ULTIMATE.start_cstrcat_~s~0.offset oldRank0)) (<= (+ ULTIMATE.start_cstrcat_~s~0.offset 1) (select |#length| ULTIMATE.start_cstrcat_~s~0.base)))} assume !!(0 != cstrcat_#t~mem205);havoc cstrcat_#t~mem205;cstrcat_#t~post206.base, cstrcat_#t~post206.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post206.base, 1 + cstrcat_#t~post206.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset; {78#(or (and (>= oldRank0 0) (> oldRank0 (+ (select |#length| ULTIMATE.start_cstrcat_~s~0.base) (* (- 1) ULTIMATE.start_cstrcat_~s~0.offset)))) unseeded)} is VALID [2020-07-29 01:39:15,613 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 01:39:15,624 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:39:15,641 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 01:39:15,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:15,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,656 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 01:39:15,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2020-07-29 01:39:15,790 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 35 states and 45 transitions. Complement of second has 7 states. [2020-07-29 01:39:15,790 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 01:39:15,790 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:15,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:15,796 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:15,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:15,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:15,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:39:15,807 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:15,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:15,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:15,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. [2020-07-29 01:39:15,811 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:15,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:15,814 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states. [2020-07-29 01:39:15,818 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:15,819 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 4 examples of accepted words. [2020-07-29 01:39:15,819 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:39:15,828 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:15,828 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:39:15,831 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2020-07-29 01:39:15,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2020-07-29 01:39:15,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:15,832 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:39:15,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:15,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:15,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:15,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:15,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:15,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:15,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 35 letters. Loop has 35 letters. [2020-07-29 01:39:15,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 35 letters. Loop has 35 letters. [2020-07-29 01:39:15,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 35 letters. Loop has 35 letters. [2020-07-29 01:39:15,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:15,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:15,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:15,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:39:15,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:39:15,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:39:15,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:15,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:15,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:15,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:39:15,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:39:15,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:39:15,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:15,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:15,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:15,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:15,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:15,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:15,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:15,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:15,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:15,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:15,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:15,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:15,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,844 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:15,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:39:15,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2020-07-29 01:39:15,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:15,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:39:15,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:39:15,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:15,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2020-07-29 01:39:15,854 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:15,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2020-07-29 01:39:15,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:39:15,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:39:15,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:39:15,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:39:15,860 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:15,860 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:15,860 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:15,860 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:39:15,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:39:15,860 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:15,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:15,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:39:15 BoogieIcfgContainer [2020-07-29 01:39:15,867 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:39:15,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:39:15,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:39:15,868 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:39:15,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:12" (3/4) ... [2020-07-29 01:39:15,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:39:15,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:39:15,875 INFO L168 Benchmark]: Toolchain (without parser) took 5029.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 953.5 MB in the beginning and 988.2 MB in the end (delta: -34.7 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:15,875 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:15,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 948.2 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:15,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.52 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 01:39:15,878 INFO L168 Benchmark]: Boogie Preprocessor took 32.78 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 01:39:15,878 INFO L168 Benchmark]: RCFGBuilder took 538.45 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:15,879 INFO L168 Benchmark]: BuchiAutomizer took 3691.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 988.2 MB in the end (delta: 102.7 MB). Peak memory consumption was 169.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:15,880 INFO L168 Benchmark]: Witness Printer took 5.00 ms. Allocated memory is still 1.2 GB. Free memory is still 988.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:15,884 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 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 699.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 948.2 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.52 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. * Boogie Preprocessor took 32.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 538.45 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3691.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 988.2 MB in the end (delta: 102.7 MB). Peak memory consumption was 169.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.00 ms. Allocated memory is still 1.2 GB. Free memory is still 988.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 19 SDslu, 13 SDs, 0 SdLazy, 4 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital193 mio100 ax100 hnf98 lsp96 ukn80 mio100 lsp53 div100 bol100 ite100 ukn100 eq189 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms 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...